\n| @Import<\/td>\n | \u7528\u4e8e\u5bfc\u5165\u5176\u4ed6\u914d\u7f6e\u7c7b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \/\/\u8be5\u7c7b\u662fSpring\u7684\u6838\u5fc3\u914d\u7f6e\u7c7b
\n@Configuration
\n\/*<!–\u914d\u7f6e\u4e3b\u952e\u626b\u63cf–>
\n<context:component-scan base-package="com.itheima"\/>*\/
\n@ComponentScan("com.itheima")
\n\/\/<context:property-placeholder location="classpath:jdbc.properties"\/>
\n@PropertySource("classpath:jdbc.properties")
\n\/\/\u914d\u7f6e\u8fc7\u591a\u8fc7\u6742\u4e71，\u53ef\u4ee5\u5199\u591a\u4e2a，\u7136\u540e\u6ce8\u5165\u5728\u4e3b\u914d\u7f6e\u6587\u4ef6\u4e2d
\n@Import(DataSourceConfiguration.class)
\npublic class SpringConfiguration {
\n @Value("${jdbc.driver}")
\n private String driver;<\/p>\n @Value("${jdbc.jdbc.url}")
\n private String url;<\/p>\n @Value("${jdbc.username}")
\n private String username;<\/p>\n @Value("${jdbc.password}")
\n private String password;<\/p>\n @Bean(name="dataSource") \/\/Spring\u4f1a\u5c06\u5f53\u524d\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u4ee5\u6307\u5b9a\u540d\u79f0\u5b58\u50a8\u5230Spring\u5bb9\u5668\u4e2d
\n public DataSource getDataSource() throws Exception {
\n ComboPooledDataSource dataSource = new ComboPooledDataSource();
\n dataSource.setDriverClass(driver);
\n dataSource.setJdbcUrl(url);
\n dataSource.setUser(username);
\n dataSource.setPassword(password);
\n return dataSource;
\n }
\n}
\npublic class UserContoller {
\n public static void main(String[] args) throws SQLException {
\n \/\/ApplicationContext app=new ClassPathXmlApplicationContext("applicationContext.xml");
\n ApplicationContext app=new AnnotationConfigApplicationContext(SpringConfiguration.class);
\n UserService bean = app.getBean(UserService.class);
\n bean.save();
\n DataSource bean1 = app.getBean(DataSource.class);
\n Connection connection = bean1.getConnection();
\n System.out.println(connection);
\n }
\n} <\/p>\n 3. Spring\u96c6\u6210Junit<\/h3>\n3.1 \u539f\u59cbJunit\u6d4b\u8bd5Spring\u7684\u95ee\u9898<\/h4>\n\u5728\u6d4b\u8bd5\u7c7b\u4e2d，\u6bcf\u4e2a\u6d4b\u8bd5\u65b9\u6cd5\u90fd\u6709\u4e00\u4e0b\u4e24\u884c\u4ee3\u7801：<\/p>\n ApplicationContext ac=new ClassPathXmlApplicationContext("bean.xml");
\nIAccountService as=ac.getBean("accountService",IAccountService.class); <\/p>\n \u8fd9\u4e24\u884c\u4ee3\u7801\u7684\u4f5c\u7528\u662f\u83b7\u53d6\u5bb9\u5668，\u5982\u679c\u4e0d\u5199\u7684\u8bdd，\u76f4\u63a5\u4f1a\u63d0\u793a\u7a7a\u6307\u9488\u5f02\u5e38\u3002\u6240\u4ee5\u53c8\u4e0d\u80fd\u8f7b\u6613\u5220\u6389\u3002<\/p>\n 3.2\u4e0a\u8ff0\u95ee\u9898\u89e3\u51b3\u601d\u8def<\/h4>\n\n- \n
\u8ba9SpringJunit\u8d1f\u8d23\u521b\u5efaSpring\u5bb9\u5668，\u4f46\u662f\u9700\u8981\u5c06\u914d\u7f6e\u6587\u4ef6\u7684\u540d\u79f0\u544a\u8bc9\u5b83<\/p>\n<\/li>\n - \n
\u5c06\u9700\u8981\u8fdb\u884c\u6d4b\u8bd5Bean\u76f4\u63a5\u5728\u6d4b\u8bd5\u7c7b\u4e2d\u8fdb\u884c\u6ce8\u5165<\/p>\n<\/li>\n<\/ul>\n 3.3 Spring\u96c6\u6210Junit\u6b65\u9aa4<\/h4>\n - \n
\u5bfc\u5165spring\u96c6\u6210Junit\u7684\u5750\u6807<\/p>\n <dependency>
\n <groupId>org.springframework<\/groupId>
\n <artifactId>spring-test<\/artifactId>
\n <version>5.3.1<\/version>
\n<\/dependency> <\/li>\n - \n
\u4f7f\u7528@Runwith\u6ce8\u89e3\u66ff\u6362\u539f\u6765\u7684\u8fd0\u884c\u671f<\/p>\n<\/li>\n - \n
\u4f7f\u7528@ContextConfiguration\u6307\u5b9a\u914d\u7f6e\u6587\u4ef6\u6216\u914d\u7f6e\u7c7b<\/p>\n<\/li>\n - \n
\u4f7f\u7528@Autowired\u6ce8\u5165\u9700\u8981\u6d4b\u8bd5\u7684\u5bf9\u8c61<\/p>\n<\/li>\n - \n
\u521b\u5efa\u6d4b\u8bd5\u65b9\u6cd5\u8fdb\u884c\u6d4b\u8bd5<\/p>\n @RunWith(SpringJUnit4ClassRunner.class)
\n\/\/@ContextConfiguration("classpath:applicationContext.xml")\u5f53\u7528\u914d\u7f6e\u6587\u4ef6\u7528\u8fd9\u4e2a
\n@ContextConfiguration(classes = SpringConfiguration.class)
\npublic class SpringJunitTest {
\n @Autowired
\n private DataSource dataSource;<\/p>\n @Test
\n public void test02() throws SQLException {
\n System.out.println(dataSource.getConnection());
\n }
\n} <\/li>\n<\/p>\n 03_Spring\u7684AOP<\/h2>\n1. Spring\u7684AOP\u7b80\u4ecb<\/h3>\n1.1 \u4ec0\u4e48\u662fAOP<\/h4>\nAOP\u4e3a Aspect Oriented Programming \u7684\u7f29\u5199，\u610f\u601d\u4e3a\u9762\u5411\u5207\u9762\u7f16\u7a0b，\u662f\u901a\u8fc7\u9884\u7f16\u8bd1\u65b9\u5f0f\u548c\u8fd0\u884c\u671f\u52a8\u6001\u4ee3\u7406\u5b9e\u8bad\u7a0b\u5e8f\u529f\u80fd\u7edf\u4e00\u7ef4\u62a4\u7684\u4e00\u79cd\u6280\u672f\u3002<\/p>\n AOP\u662fOOP\u7684\u5ef6\u7eed，\u662f\u8f6f\u4ef6\u5f00\u53d1\u4e2d\u7684\u4e00\u4e2a\u70ed\u70b9，\u4e5f\u662fSpring\u6846\u67b6\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u5185\u5bb9，\u662f\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u4e00\u79cd\u884d\u751f\u8303\u578b\u3002\u5229\u7528AOP\u53ef\u4ee5\u5bf9\u4e1a\u52a1\u903b\u8f91\u7684\u5404\u4e2a\u90e8\u5206\u8fdb\u884c\u9694\u79bb，\u4ece\u800c\u4f7f\u5f97\u4e1a\u52a1\u903b\u8f91\u5404\u90e8\u5206\u4e4b\u95f4\u7684\u8026\u5408\u5ea6\u964d\u4f4e，\u63d0\u9ad8\u7a0b\u5e8f\u7684\u53ef\u91cd\u7528\u6027，\u540c\u65f6\u63d0\u9ad8\u7684\u5f00\u53d1\u7684\u6548\u7387\u3002<\/p>\n 1.2 AOP\u7684\u4f5c\u7528\u53ca\u5176\u4f18\u52bf<\/h4>\n\n- \n
\u4f5c\u7528：\u5728\u7a0b\u5e8f\u8fd0\u884c\u671f\u95f4，\u5728\u4e0d\u4fee\u6539\u6e90\u7801\u7684\u60c5\u51b5\u4e0b\u5bf9\u65b9\u8fdb\u884c\u529f\u80fd\u589e\u5f3a<\/p>\n<\/li>\n - \n
\u4f18\u52bf：\u51cf\u5c11\u91cd\u590d\u4ee3\u7801，\u63d0\u9ad8\u5f00\u53d1\u6548\u7387，\u5e76\u4e14\u4fbf\u4e8e\u7ef4\u62a4<\/p>\n<\/li>\n<\/ul>\n 1.3 AOP\u7684\u5e95\u5c42\u5b9e\u73b0<\/h4>\n\u5b9e\u9645\u4e0a，AOP\u7684\u5e95\u5c42\u662f\u901a\u8fc7Spring\u63d0\u4f9b\u7684\u52a8\u6001\u4ee3\u7406\u6280\u672f\u5b9e\u73b0\u7684\u3002\u5728\u8fd0\u884c\u671f\u95f4，Spring\u901a\u8fc7\u52a8\u6001\u4ee3\u7406\u6280\u672f\u52a8\u6001\u7684\u751f\u6210\u4ee3\u7406\u5bf9\u8c61，\u4ee3\u7406\u5bf9\u8c61\u65b9\u6cd5\u6267\u884c\u65f6\u8fdb\u884c\u589e\u5f3a\u529f\u80fd\u7684\u4ecb\u5165，\u5728\u53bb\u8c03\u7528\u76ee\u6807\u5bf9\u8c61\u7684\u65b9\u6cd5，\u4ece\u800c\u5b8c\u6210\u529f\u80fd\u7684\u589e\u5f3a\u3002<\/p>\n 1.4 AOP\u7684\u52a8\u6001\u4ee3\u7406\u6280\u672f<\/h4>\n\u5e38\u7528\u7684\u52a8\u6001\u4ee3\u7406\u6280\u672f<\/p>\n \n- \n
JDK\u4ee3\u7406：\u57fa\u4e8e\u63a5\u53e3\u7684\u52a8\u6001\u4ee3\u7406\u6280\u672f<\/p>\n<\/li>\n - \n
cglib\u4ee3\u7406：\u57fa\u4e8e\u7236\u7c7b\u7684\u52a8\u6001\u4ee3\u7406\u6280\u672f<\/p>\n<\/li>\n<\/ul>\n 1.5 JDK\u7684\u52a8\u6001\u4ee3\u7406（\u7528\u7236\u7c7b\u63a5\u53e3）<\/h4>\n - \n
\u76ee\u6807\u7c7b\u63a5\u53e3<\/p>\n public interface TargetInterface{
\n public void method();
\n} <\/li>\n - \n
\u76ee\u6807\u7c7b<\/p>\n public class Target implements TargetInterface{
\n @Override
\n public void method(){
\n sout("Target running…");
\n }
\n} <\/li>\n - \n
\u52a8\u6001\u4ee3\u7406\u4ee3\u7801<\/p>\n \/\/\u521b\u5efa\u76ee\u6807\u5bf9\u8c61
\nTarget target=new Target();<\/p>\n \/\/\u589e\u5f3a\u5bf9\u8c61
\nAdvice advice=new Advice();<\/p>\n \/\/\u8fd4\u56de\u503c \u5c31\u662f\u52a8\u6001\u751f\u6210\u7684\u4ee3\u7406\u5bf9\u8c61
\nTargetInterface proxy= (TargetInterface) Proxy.newProxyInstance(
\n target.getClass().getClassLoader(), \/\/\u76ee\u6807\u5bf9\u8c61\u52a0\u8f7d\u5668
\n target.getClass().getInterfaces(), \/\/\u76ee\u6807\u5bf9\u8c61\u76f8\u540c\u7684\u63a5\u53e3\u5b57\u8282\u7801\u5bf9\u8c61\u6570\u7ec4
\n new InvocationHandler() {
\n \/\/\u8c03\u7528\u4ee3\u7406\u5bf9\u8c61\u7684\u4efb\u4f55\u65b9\u6cd5，\u5b9e\u8d28\u6267\u884c\u7684\u90fd\u662finvoke\u65b9\u6cd5
\n @Override
\n public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
\n advice.before();\/\/\u524d\u7f6e\u589e\u5f3a
\n Object invoke = method.invoke(target, args);\/\/\u6267\u884c\u76ee\u6807\u65b9\u6cd5 \u8fd4\u56de\u4ee3\u7406\u5bf9\u8c61
\n advice.afterReturning();\/\/\u540e\u7f6e\u589e\u5f3a
\n return invoke;
\n }
\n }
\n); <\/li>\n - \n
\u8c03\u7528\u4ee3\u7406\u5bf9\u8c61\u7684\u65b9\u6cd5\u6d4b\u8bd5<\/p>\n \/\/\u6d4b\u8bd5\u5f53\u8c03\u7528\u63a5\u53e3\u7684\u4efb\u4f55\u65b9\u6cd5\u65f6，\u4ee3\u7406\u5bf9\u8c61\u7684\u4ee3\u7801\u90fd\u65e0\u5e8f\u4fee\u6539
\nproxy.method(); <\/li>\n 1.6cglib\u7684\u52a8\u6001\u4ee3\u7406<\/h4>\n - \n
\u521b\u5efa\u589e\u5f3a\u5bf9\u8c61\u3001\u76ee\u6807\u5bf9\u8c61<\/p>\n public class Advice {
\n public void before(){
\n System.out.println("\u524d\u7f6e\u589e\u5f3a…");
\n }<\/p>\n public void afterReturning(){
\n System.out.println("\u540e\u7f6e\u589e\u5f3a…");
\n }
\n} public class Target{
\n public void save() {
\n System.out.println("save running…");
\n }
\n public void init(){
\n System.out.println("\u5566\u5566\u5566\u5566\u5566");
\n }
\n} <\/li>\n - \n
\u8c03\u7528\u4ee3\u7406\u5bf9\u8c61\u7684\u65b9\u6cd5\u6d4b\u8bd5<\/p>\n public class ProxyTest {
\n public static void main(String[] args) {
\n \/\/\u521b\u5efa\u76ee\u6807\u5bf9\u8c61
\n Target target=new Target();<\/p>\n \/\/\u589e\u5f3a\u5bf9\u8c61
\n Advice advice=new Advice();<\/p>\n \/\/\u8fd4\u56de\u503c \u5c31\u662f\u52a8\u6001\u751f\u6210\u7684\u4ee3\u7406\u5bf9\u8c61 \u57fa\u4e8ecglib
\n \/\/1.\u521b\u5efa\u589e\u5f3a\u5668
\n Enhancer enhancer=new Enhancer();
\n \/\/2.\u8bbe\u7f6e\u7236\u7c7b（\u76ee\u6807）
\n enhancer.setSuperclass(Target.class);
\n \/\/3.\u8bbe\u7f6e\u56de\u8c03
\n enhancer.setCallback(new MethodInterceptor() {
\n @Override
\n public Object intercept(Object proxy, Method method, Object[] args, MethodProxy methodProxy) throws Throwable {
\n \/\/\u6267\u884c\u524d\u7f6e
\n advice.before();
\n \/\/\u6267\u884c\u76ee\u6807
\n Object invoke = method.invoke(target, args);
\n \/\/\u6267\u884c\u540e\u7f6e
\n advice.afterReturning();
\n return invoke;
\n }
\n });
\n \/\/4.\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61
\n Target o = (Target) enhancer.create();
\n o.save();
\n o.init();
\n }
\n} <\/p>\n<\/li>\n 1.7 AOP\u76f8\u5173\u6982\u5ff5<\/h4>\nSpring\u7684AOP\u5b9e\u73b0\u5e95\u5c42\u5c31\u662f\u5bf9\u4e0a\u9762\u7684\u52a8\u6001\u4ee3\u7406\u7684\u4ee3\u7801\u8fdb\u884c\u4e86\u5c01\u88c5，\u5c01\u88c5\u540e\u6211\u4eec\u53ea\u9700\u8981\u5173\u6ce8\u7684\u90e8\u5206\u8fdb\u884c\u4ee3\u7801\u7f16\u5199，\u5e76\u901a\u8fc7\u914d\u7f6e\u7684\u65b9\u5f0f\u5b8c\u6210\u6307\u5b9a\u76ee\u6807\u7684\u65b9\u6cd5\u589e\u5f3a\u3002<\/p>\n \u5728\u6b63\u5f0f\u8bb2\u89e3AOP\u7684\u64cd\u4f5c\u4e4b\u524d，\u6211\u4eec\u5fc5\u987b\u7406\u89e3AOP\u7684\u76f8\u5173\u672f\u8bed，\u5e38\u7528\u7684\u672f\u8bed\u5982\u4e0b：<\/p>\n \n- \n
Target(\u76ee\u6807\u5bf9\u8c61)：\u4ee3\u7406\u7684\u76ee\u6807\u5bf9\u8c61（\u8981\u88ab\u589e\u5f3a\u7684\u65b9\u6cd5\u5bf9\u8c61）<\/p>\n<\/li>\n - \n
Proxy(\u4ee3\u7406)：\u4e00\u4e2a\u7c7b\u88abAOP\u7ec7\u5165\u589e\u5f3a\u540e，\u5c31\u4ea7\u751f\u4e00\u4e2a\u7ed3\u679c\u4ee3\u7406\u7c7b<\/p>\n<\/li>\n - \n
Joinpoint(\u8fde\u63a5\u70b9)：\u6240\u8c13\u8fde\u63a5\u70b9\u662f\u6307\u90a3\u4e9b\u88ab\u62e6\u622a\u5230\u7684\u70b9\u3002\u5728spring\u4e2d，\u8fd9\u4e9b\u70b9\u6307\u7684\u662f\u65b9\u6cd5，\u56e0\u4e3aspring\u53ea\u652f\u6301\u65b9\u6cd5\u7c7b\u578b\u7684\u8fde\u63a5\u70b9（\u5c31\u662f\u53ef\u4ee5\u88ab\u589e\u5f3a\u7684\u65b9\u6cd5，\u4f46\u662f\u8fd8\u6ca1\u6709\u589e\u5f3a，\u65b9\u6cd5\u8303\u56f4\u5e7f）<\/p>\n<\/li>\n - \n
Pointcut(\u5207\u5165\u70b9)：\u6240\u8c13\u5207\u5165\u70b9\u662f\u6307\u6211\u4eec\u8981\u5bf9\u54ea\u4e9bJoinpoint\u8fdb\u884c\u62e6\u622a\u7684\u5b9a\u4e49<\/p>\n<\/li>\n - \n
Advice(\u901a\u77e5\/\u589e\u5f3a)：\u6240\u8c13\u901a\u77e5\u662f\u6307\u62e6\u622a\u5230Joinpoint\u4e4b\u540e\u6240\u8981\u505a\u7684\u4e8b\u60c5\u5c31\u662f\u901a\u77e5<\/p>\n<\/li>\n - \n
Aspect(\u5207\u9762)：\u662f\u5207\u5165\u70b9\u548c\u901a\u8fc7(\u5f15\u4ecb)\u7684\u7ed3\u5408<\/p>\n<\/li>\n - \n
Weaving(\u7ec7\u5165)：\u662f\u6307\u628a\u589e\u5f3a\u5e94\u7528\u5230\u76ee\u6807\u5bf9\u8c61\u6765\u521b\u5efa\u65b0\u7684\u4ee3\u7406\u5bf9\u8c61\u7684\u8fc7\u7a0b\u3002spring\u91c7\u7528\u52a8\u6001\u4ee3\u7406\u7ec7\u5165，\u800cAspectJ\u91c7\u7528\u7f16\u8bd1\u671f\u7ec7\u5165\u548c\u7c7b\u88c5\u8f7d\u671f\u7ec7\u5165<\/p>\n<\/li>\n<\/ul>\n 1.8AOP\u5f00\u53d1\u660e\u786e\u7684\u4e8b\u9879<\/h4>\n - \n
\u9700\u8981\u7f16\u5199\u7684\u5185\u5bb9<\/p>\n \n- \n
\u7f16\u5199\u6838\u5fc3\u4e1a\u52a1\u4ee3\u7801(\u76ee\u6807\u7c7b\u7684\u76ee\u6807\u65b9\u6cd5)<\/p>\n<\/li>\n - \n
\u7f16\u5199\u5207\u9762\u7c7b，\u5207\u9762\u7c7b\u4e2d\u6709\u901a\u77e5(\u589e\u5f3a\u529f\u80fd\u65b9\u6cd5)<\/p>\n<\/li>\n - \n
\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d，\u914d\u7f6e\u7ec7\u5165\u5173\u7cfb，\u5373\u5c06\u54ea\u4e9b\u901a\u77e5\u4e0e\u54ea\u4e9b\u8fde\u63a5\u70b9\u8fdb\u884c\u7ed3\u5408<\/p>\n<\/li>\n<\/ul>\n<\/li>\n - \n
AOP\u6280\u672f\u5b9e\u73b0\u7684\u5185\u5bb9<\/p>\n Spring\u6846\u67b6\u76d1\u63a7\u5207\u5165\u70b9\u65b9\u6cd5\u7684\u6267\u884c\u3002\u4e00\u65e6\u76d1\u63a7\u5230\u5207\u5165\u70b9\u65b9\u6cd5\u88ab\u8fd0\u884c，\u4f7f\u7528\u4ee3\u7406\u673a\u5236，\u52a8\u6001\u521b\u5efa\u76ee\u6807\u5bf9\u8c61\u7684\u4ee3\u7406\u5bf9\u8c61，\u6839\u636e\u901a\u77e5\u7c7b\u522b，\u5728\u4ee3\u7406\u5bf9\u8c61\u7684\u5bf9\u5e94\u4f4d\u7f6e，\u5c06\u901a\u77e5\u5bf9\u5e94\u7684\u529f\u80fd\u7ec7\u5165，\u5b8c\u6210\u5b8c\u6574\u7684\u4ee3\u7801\u903b\u8f91\u8fd0\u884c\u3002<\/p>\n<\/li>\n - \n
AOP\u5e95\u5c42\u4f7f\u7528\u90a3\u79cd\u4ee3\u7406\u65b9\u5f0f<\/p>\n \u5728spring\u4e2d，\u6846\u67b6\u4f1a\u6839\u636e\u76ee\u6807\u7c7b\u662f\u5426\u5b9e\u73b0\u4e86\u63a5\u53e3\u6765\u51b3\u5b9a\u91c7\u7528\u90a3\u79cd\u52a8\u6001\u4ee3\u7406\u7684\u65b9\u5f0f<\/p>\n<\/li>\n 1.9 \u77e5\u8bc6\u8981\u70b9！！<\/h4>\n\n- \n
aop：\u9762\u5411\u5207\u9762\u7f16\u7a0b<\/p>\n<\/li>\n - \n
aop\u5e95\u5c42\u5b9e\u73b0：\u57fa\u4e8eJDK\u7684\u52a8\u6001\u4ee3\u7406\u548c\u57fa\u4e8eCglib\u7684\u52a8\u6001\u4ee3\u7406<\/p>\n<\/li>\n - \n
aop\u7684\u91cd\u70b9\u6982\u5ff5：<\/p>\n Pointcut(\u5207\u5165\u70b9)：\u88ab\u589e\u5f3a\u7684\u65b9\u6cd5<\/p>\n Advice(\u901a\u77e5\/\u589e\u5f3a)：\u5c01\u88c5\u589e\u5f3a\u4e1a\u52a1\u903b\u8f91\u7684\u65b9\u6cd5<\/p>\n Weaving(\u7ec7\u5165)：\u5c06\u5207\u70b9\u4e0e\u901a\u77e5\u7ed3\u5408\u7684\u8fc7\u7a0b<\/p>\n<\/li>\n - \n
\u5f00\u53d1\u660e\u786e\u4e8b\u9879：<\/p>\n \u8c01\u662f\u5207\u70b9(\u5207\u70b9\u8868\u8fbe\u5f0f\u914d\u7f6e)<\/p>\n \u8c01\u662f\u901a\u77e5(\u5207\u9762\u7c7b\u4e2d\u7684\u589e\u5f3a\u65b9\u6cd5)<\/p>\n \u5c06\u5207\u70b9\u548c\u901a\u77e5\u8fdb\u884c\u7ec7\u5165\u914d\u7f6e<\/p>\n<\/li>\n<\/ul>\n 2. \u57fa\u4e8eXML\u7684AOP\u5f00\u53d1<\/h3>\n2.1 \u5feb\u901f\u5165\u95e8<\/h4>\n - \n
\u5bfc\u5165AOP\u76f8\u5173\u5750\u6807<\/p>\n <dependency>
\n <groupId>org.aspectj<\/groupId>
\n <artifactId>aspectjweaver<\/artifactId>
\n <version>1.8.13<\/version>
\n<\/dependency> <\/li>\n - \n
\u521b\u5efa\u76ee\u6807\u63a5\u53e3\u548c\u76ee\u6807\u7c7b(\u5185\u90e8\u6709\u5207\u70b9)<\/p>\n public interface TargetInterface {
\n public void save();
\n} public class Target implements TargetInterface {
\n @Override
\n public void save() {
\n System.out.println("save running…");
\n }
\n} <\/li>\n - \n
\u521b\u5efa\u5207\u9762\u7c7b(\u5185\u90e8\u6709\u589e\u5f3a\u65b9\u6cd5)<\/p>\n public class MyAspect {
\n public void before(){
\n System.out.println("\u524d\u7f6e\u589e\u5f3a….");
\n }<\/p>\n public void after(){
\n System.out.println("\u540e\u7f6e\u589e\u5f3a….");
\n }
\n} <\/li>\n - \n
\u5c06\u76ee\u6807\u7c7b\u548c\u5207\u9762\u7c7b\u7684\u5bf9\u8c61\u521b\u5efa\u6743\u4ea4\u7ed9spring<\/p>\n <!–\u76ee\u6807\u5bf9\u8c61–>
\n<bean id="target" class="com.itheima.aop.Target"\/>
\n<!–\u5207\u9762\u5bf9\u8c61–>
\n<bean id="myAspect" class="com.itheima.aop.MyAspect"\/> <\/li>\n - \n
\u5728applicationContext.xml\u4e2d\u914d\u7f6e\u7ec7\u5165\u5173\u7cfb<\/p>\n <!–\u914d\u7f6e\u7ec7\u5165：\u544a\u8bc9spring\u6846\u67b6，\u54ea\u4e9b\u65b9\u6cd5（\u5207\u70b9）\u9700\u8981\u8fdb\u884c\u54ea\u4e9b\u589e\u5f3a–>
\n <aop:config>
\n <!–\u58f0\u660e\u5207\u9762–>
\n <aop:aspect ref="myAspect">
\n <!–\u5207\u9762，\u5207\u70b9+\u901a\u77e5–>
\n <aop:before method="before(\u524d\u7f6e\u65b9\u6cd5\u540d)" pointcut="execution(public void com.itheima.aop.Target.save())"\/>
\n <\/aop:aspect>
\n <\/aop:config> <\/li>\n - \n
\u6d4b\u8bd5\u4ee3\u7801<\/p>\n @RunWith(SpringJUnit4ClassRunner.class)
\n@ContextConfiguration("classpath:applicationContext.xml")
\npublic class AopTest {
\n @Autowired
\n private TargetInterface target;<\/p>\n @Test
\n public void test01(){
\n target.save();
\n }
\n} <\/li>\n 2.2 XML\u914d\u7f6eAOP\u8be6\u89e3<\/h4>\n - \n
\u5207\u70b9\u8868\u8fbe\u5f0f\u7684\u5199\u6cd5<\/p>\n \u8868\u8fbe\u5f0f\u8bed\u6cd5：<\/p>\n execution([\u4fee\u9970\u7b26] \u8fd4\u56de\u503c\u7c7b\u578b \u5305\u578b.\u7c7b\u540d.\u65b9\u6cd5\u540d(\u53c2\u6570)) <\/p>\n \n- \n
\u8bbf\u95ee\u4fee\u9970\u7b26\u53ef\u4ee5\u7701\u7565<\/p>\n<\/li>\n - \n
\u8fd4\u56de\u503c\u7c7b\u578b\u3001\u5305\u540d\u3001\u7c7b\u540d\u3001\u65b9\u6cd5\u540d\u53ef\u4ee5\u4f7f\u7528\u661f\u53f7*\u4ee3\u8868\u4efb\u610f<\/p>\n<\/li>\n - \n
\u5305\u540d\u4e0e\u7c7b\u540d\u4e4b\u95f4\u4e00\u4e2a\u70b9，\u4ee3\u8868\u5f53\u524d\u5305\u4e0b\u7684\u7c7b，\u4e24\u4e2a\u70b9..\u8868\u793a\u5f53\u524d\u5305\u53ca\u5176\u5b50\u5305\u4e0b\u7684\u7c7b<\/p>\n<\/li>\n - \n
\u53c2\u6570\u5217\u8868\u53ef\u4ee5\u4f7f\u7528\u4e24\u4e2a\u70b9..\u8868\u793a\u4efb\u610f\u4e2a\u6570，\u4efb\u610f\u7c7b\u578b\u7684\u53c2\u6570\u5217\u8868<\/p>\n<\/li>\n<\/ul>\n \u4f8b\u5982：<\/p>\n \/\/\u589e\u5f3a\u6307\u5b9a\u65b9\u6cd5
\nexecution(public void com.itheima.aop.Target.method())
\n\/\/\u589e\u5f3aaop\u5305\u4e0b\u7684Target\u7c7b\u7684\u65e0\u8fd4\u56de\u503c\u7684\u5168\u90e8\u65b9\u6cd5
\nexecution(void com.itheima.aop.Target.*(..))
\n\/\/\u589e\u5f3aaop\u5305\u4e0b\u7684\u5168\u90e8\u7c7b\u7684\u5168\u90e8\u65b9\u6cd5
\nexecution(* com.itheima.aop.*.*(..))
\n\/\/\u589e\u5f3aaop\u6240\u5728\u5305\u548c\u5b50\u5305\u4e0b\u7684\u5168\u90e8\u7c7b\u7684\u5168\u90e8\u65b9\u6cd5
\nexecution(* com.itheima.aop..*.*(..))
\n\/\/\u589e\u5f3a\u6574\u4e2a\u8be5\u9879\u76ee\u7684\u7c7b\u7684\u65b9\u6cd5
\nexecution(* *..*.*(..)) <\/li>\n - \n
\u901a\u77e5\u7684\u7c7b\u578b<\/p>\n \u901a\u77e5\u7684\u914d\u7f6e\u8bed\u6cd5<\/p>\n <aop:\u901a\u77e5\u7c7b\u578b method="\u5207\u9762\u7c7b\u4e2d\u65b9\u6cd5\u540d" pointcut="\u5207\u70b9\u8868\u8fbe\u5f0f"><\/aop:\u901a\u77e5\u7c7b\u578b> <\/p>\n \n\u540d\u79f0\u6807\u7b7e\u8bf4\u660e<\/tr>\n \n\n| \u524d\u7f6e\u901a\u77e5<\/td>\n | < aop:before ><\/td>\n | \u7528\u4e8e\u914d\u7f6e\u524d\u7f6e\u901a\u77e5\u3002\u6307\u5b9a\u589e\u5f3a\u7684\u65b9\u6cd5\u5728\u5207\u5165\u70b9\u65b9\u6cd5\u4e4b\u524d\u6267\u884c<\/td>\n<\/tr>\n | \n| \u540e\u7f6e\u901a\u77e5<\/td>\n | < aop:after-returning ><\/td>\n | \u7528\u4e8e\u914d\u7f6e\u540e\u7f6e\u901a\u77e5\u3002\u6307\u5b9a\u589e\u5f3a\u7684\u65b9\u6cd5\u5728\u5207\u5165\u70b9\u65b9\u6cd5\u4e4b\u540e\u6267\u884c<\/td>\n<\/tr>\n | \n| \u73af\u7ed5\u901a\u77e5<\/td>\n | < aop:around ><\/td>\n | \u7528\u4e8e\u914d\u7f6e\u73af\u7ed5\u901a\u77e5\u3002\u6307\u5b9a\u589e\u5f3a\u7684\u65b9\u6cd5\u5728\u5207\u5165\u70b9\u65b9\u6cd5\u4e4b\u524d\u548c\u4e4b\u540e\u90fd\u6267\u884c<\/td>\n<\/tr>\n | \n| \u5f02\u5e38\u629b\u51fa\u901a\u77e5<\/td>\n | < aop:throwing ><\/td>\n | \u7528\u4e8e\u914d\u7f6e\u5f02\u5e38\u629b\u51fa\u901a\u77e5\u3002\u6307\u5b9a\u589e\u5f3a\u7684\u65b9\u6cd5\u5728\u51fa\u73b0\u5f02\u5e38\u65f6\u6267\u884c<\/td>\n<\/tr>\n | \n| \u6700\u7ec8\u901a\u77e5<\/td>\n | < aop:after ><\/td>\n | \u7528\u4e8e\u914d\u7f6e\u6700\u7ec8\u901a\u77e5\u3002\u65e0\u8bba\u589e\u5f3a\u65b9\u5f0f\u6267\u884c\u662f\u5426\u6709\u5f02\u5e38\u90fd\u4f1a\u6267\u884c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n public class MyAspect {
\n public void before(){ System.out.println("\u524d\u7f6e\u589e\u5f3a…."); }<\/p>\n public void afterRunning(){ System.out.println("\u540e\u7f6e\u589e\u5f3a…."); }<\/p>\n \/\/Proceeding JoinPoint:\u6b63\u5728\u6267\u884c\u7684\u8fde\u63a5\u70b9===\u5207\u70b9
\n public Object around(ProceedingJoinPoint pjp) throws Throwable {
\n System.out.println("\u73af\u7ed5\u524d\u589e\u5f3a…");
\n Object proceed = pjp.proceed();\/\/\u5207\u70b9\u65b9\u6cd5
\n System.out.println("\u73af\u7ed5\u540e\u589e\u5f3a…");
\n return proceed;
\n }<\/p>\n public void afterThrowing(){ System.out.println("\u5f02\u5e38\u629b\u51fa\u589e\u5f3a…"); }<\/p>\n public void after(){ System.out.println("\u6700\u7ec8\u589e\u5f3a…"); }
\n} <!–\u914d\u7f6e\u7ec7\u5165：\u544a\u8bc9spring\u6846\u67b6，\u54ea\u4e9b\u65b9\u6cd5（\u5207\u70b9）\u9700\u8981\u8fdb\u884c\u54ea\u4e9b\u589e\u5f3a–>
\n <aop:config>
\n <!–\u58f0\u660e\u5207\u9762–>
\n <aop:aspect ref="myAspect">
\n <!–\u5207\u9762，\u5207\u70b9+\u901a\u77e5–>
\n <!–<aop:before method="before" pointcut="execution(public void\u3002com.itheima.aop.Target.save())"\/>
\n <aop:after method="after" pointcut="execution(public void com.itheima.aop.Target.save())"\/>–>
\n <aop:before method="before" pointcut="execution(* com.itheima.aop.*.*(..))"\/>
\n <aop:after-returning method="afterRunning" pointcut="execution(* com.itheima.aop.*.*(..))"\/>
\n <aop:around method="around" pointcut="execution(* com.itheima.aop.*.*(..))"\/>
\n <aop:after-throwing method="afterThrowing" pointcut="execution(* com.itheima.aop.*.*(..))"\/>
\n <aop:after method="after" pointcut="execution(* com.itheima.aop.*.*(..))"\/> <\/aop:aspect>
\n<\/aop:config> <\/p>\n public class Target implements TargetInterface {
\n @Override
\n public void save() {
\n int i=1\/0;
\n System.out.println("save running…");
\n }<\/p>\n } <\/p>\n<\/li>\n - \n
\u5207\u70b9\u8868\u8fbe\u5f0f\u7684\u62bd\u53d6<\/p>\n \u5f53\u591a\u4e2a\u589e\u5f3a\u7684\u5207\u70b9\u8868\u8fbe\u5f0f\u76f8\u540c\u65f6，\u53ef\u4ee5\u5c06\u5207\u70b9\u8868\u8fbe\u5f0f\u8fdb\u884c\u62bd\u53d6，\u5728\u589e\u5f3a\u4e2d\u4f7f\u7528pointcut-ref\u5c5e\u6027\u4ee3\u66ffpointcut\u5c5e\u6027\u6765\u5f15\u7528\u62bd\u53d6\u540e\u7684\u5207\u70b9\u8868\u8fbe\u5f0f<\/p>\n <aop:config>
\n <!–\u58f0\u660e\u5207\u9762–>
\n <aop:aspect ref="myAspect">
\n <!–\u62bd\u53d6\u5207\u70b9\u8868\u8fbe\u5f0f–>
\n <aop:pointcut id="myPointcut" expression="execution(* com.itheima.aop.*.*(..))"\/>
\n <!–\u5207\u9762，\u5207\u70b9+\u901a\u77e5–>
\n <aop:around method="around" pointcut-ref="myPointcut"\/>
\n <aop:before method="before" pointcut-ref="myPointcut"\/>
\n <\/aop:aspect>
\n <\/aop:config> <\/li>\n 2.3 \u77e5\u8bc6\u8981\u70b9<\/h4>\n\n- \n
aop\u7ec7\u5165\u7684\u914d\u7f6e<\/p>\n <aop:config>
\n <aop:aspect ref="\u5207\u9762\u7c7b">
\n <aop:before method="\u901a\u77e5\u65b9\u6cd5\u540d\u79f0" pointcut="\u5207\u70b9\u8868\u8fbe\u5f0f"><\/aop:before>
\n <\/aop:aspect>
\n<\/aop:config> <\/li>\n - \n
\u901a\u77e5\u7684\u7c7b\u578b：\u524d\u7f6e\u901a\u77e5\u3001\u540e\u7f6e\u901a\u77e5\u3001\u73af\u7ed5\u901a\u77e5\u3001\u5f02\u5e38\u629b\u51fa\u901a\u77e5\u3001\u6700\u7ec8\u901a\u77e5<\/p>\n<\/li>\n - \n
\u5207\u70b9\u8868\u8fbe\u5f0f\u7684\u5199\u6cd5：<\/p>\n execution([\u4fee\u9970\u7b26] \u8fd4\u56de\u503c\u7c7b\u578b \u5305\u540d.\u7c7b\u540d.\u65b9\u6cd5\u540d(\u53c2\u6570)) <\/li>\n<\/ul>\n 3. \u57fa\u4e8e\u6ce8\u89e3\u7684AOP\u5f00\u53d1<\/h3>\n3.1 \u5feb\u901f\u5165\u95e8<\/h4>\n\u57fa\u4e8e\u6ce8\u89e3\u7684aop\u5f00\u53d1\u6b65\u9aa4：<\/p>\n - \n
\u521b\u5efa\u76ee\u6807\u63a5\u53e3\u548c\u76ee\u6807\u7c7b(\u5185\u90e8\u6709\u5207\u70b9)<\/p>\n public interface TargetInterface{
\n public void save();
\n} @Component("target")
\npublic class Target implements TargetInterface{
\n @Override
\n public void save(){
\n sout("save running");
\n }
\n} <\/li>\n - \n
\u521b\u5efa\u5207\u9762\u7c7b(\u5185\u90e8\u6709\u589e\u5f3a\u65b9\u6cd5)<\/p>\n @Component("myAspect")
\n@Aspect \/\/\u6807\u6ce8\u5f53\u524dMyAspect\u662f\u4e00\u4e2a\u5207\u9762\u7c7b
\npublic class MyAspect{
\n \/\/\u914d\u7f6e\u524d\u7f6e\u901a\u77e5
\n @Before("execution(* com.itheima.anno.*.*(..))")
\n public void before(){ sout("\u524d\u7f6e\u589e\u5f3a…") }
\n} <\/li>\n - \n
\u5c06\u76ee\u6807\u7c7b\u548c\u5207\u9762\u7c7b\u7684\u5bf9\u8c61\u521b\u5efa\u6743\u4ea4\u7ed9spring<\/p>\n \u7ed9Target\u548cMyAspect\u7c7b\u52a0@Component<\/p>\n<\/li>\n - \n
\u5728\u5207\u9762\u7c7b\u4e2d\u4f7f\u7528\u6ce8\u89e3\u914d\u7f6e\u7ec7\u5165\u5173\u7cfb<\/p>\n \u7ed9\u5207\u9762\u7c7b\u52a0@Aspect\u548c@Before("execution(* com.itheima.anno..(..))")<\/p>\n<\/li>\n - \n
\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5f00\u542f\u7ec4\u4ef6\u626b\u63cf\u548cAOP\u7684\u81ea\u52a8\u4ee3\u7406<\/p>\n <!–\u6ce8\u89e3\u626b\u63cf–>
\n<context:component-scan base-package="com.itheima.aop"\/>
\n<!–aop\u7684\u81ea\u52a8\u4ee3\u7406–>
\n<aop:aspectj-autoproxy><\/aop:aspectj-autoproxy> <\/li>\n - \n
\u6d4b\u8bd5<\/p>\n @RunWith(SpringJUnit4ClassRunner.class)
\n@ContextConfiguration("classpath:applicationContext.xml")
\npublic class AopTest{
\n @Autowired
\n private TargetInterface target;
\n @Test
\n public void test1(){
\n target.method();
\n }
\n} <\/p>\n<\/li>\n 3.2 \u6ce8\u89e3\u914d\u7f6eAOP\u8be6\u89e3<\/h4>\n - \n
\u6ce8\u89e3\u901a\u77e5\u7684\u7c7b\u578b<\/p>\n \u901a\u77e5\u7684\u914d\u7f6e\u8bed\u6cd5：@\u901a\u77e5\u6ce8\u89e3("\u5207\u70b9\u8868\u8fbe\u5f0f")<\/p>\n \n\u540d\u79f0\u6ce8\u89e3\u8bf4\u660e<\/tr>\n \n\n| \u524d\u7f6e\u901a\u77e5<\/td>\n | @Before<\/td>\n | \u7528\u4e8e\u914d\u7f6e\u901a\u77e5\u3002\u6307\u5b9a\u589e\u5f3a\u7684\u65b9\u6cd5\u5728\u5207\u5165\u70b9\u4e4b\u524d\u6267\u884c<\/td>\n<\/tr>\n | \n| \u540e\u7f6e\u901a\u77e5<\/td>\n | @AfterReturning<\/td>\n | \u7528\u4e8e\u914d\u7f6e\u540e\u7f6e\u901a\u77e5\u3002\u6307\u5b9a\u589e\u5f3a\u7684\u65b9\u6cd5\u5728\u5207\u5165\u70b9\u65b9\u6cd5\u4e4b\u540e\u6267\u884c<\/td>\n<\/tr>\n | \n| \u73af\u7ed5\u901a\u77e5<\/td>\n | @Around<\/td>\n | \u7528\u4e8e\u914d\u7f6e\u73af\u7ed5\u901a\u77e5\u3002\u6307\u5b9a\u589e\u5f3a\u7684\u65b9\u6cd5\u5728\u5207\u5165\u70b9\u4e4b\u524d\u548c\u4e4b\u540e\u90fd\u6267\u884c<\/td>\n<\/tr>\n | \n| \u5f02\u5e38\u629b\u51fa\u901a\u77e5<\/td>\n | @After-Throwing<\/td>\n | \u7528\u4e8e\u914d\u7f6e\u5f02\u5e38\u629b\u51fa\u901a\u77e5\u3002\u6307\u5b9a\u589e\u5f3a\u7684\u65b9\u6cd5\u5728\u51fa\u73b0\u5f02\u5e38\u65f6\u6267\u884c<\/td>\n<\/tr>\n | \n| \u6700\u7ec8\u901a\u77e5<\/td>\n | @After<\/td>\n | \u7528\u4e8e\u914d\u7f6e\u6700\u7ec8\u901a\u77e5\u3002\u65e0\u8bba\u589e\u5f3a\u65b9\u5f0f\u6267\u884c\u662f\u5426\u6709\u5f02\u5e38\u90fd\u4f1a\u6267\u884c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n- \n
\u5207\u70b9\u8868\u8fbe\u5f0f\u7684\u62bd\u53d6<\/p>\n \u901axml\u914d\u7f6eaop\u4e00\u6837，\u6211\u4eec\u53ef\u4ee5\u5c06\u5207\u70b9\u8868\u8fbe\u5f0f\u62bd\u53d6\u3002\u62bd\u53d6\u65b9\u5f0f\u662f\u5728\u5207\u9762\u5185\u5b9a\u4e49\u65b9\u6cd5，\u5728\u8be5\u65b9\u6cd5\u4e0a\u4f7f\u7528@Pointcut\u6ce8\u89e3\u5b9a\u4e49\u5207\u70b9\u8868\u8fbe\u5f0f，\u7136\u540e\u518d\u589e\u5f3a\u6ce8\u89e3\u4e2d\u8fdb\u884c\u5f15\u7528，\u5177\u4f53\u5982\u4e0b：<\/p>\n @Component("myAspect")
\n@Aspect
\npublic class MyAspect{
\n @Before("myPoint()")
\n public void before(){
\n sout("\u524d\u7f6e\u4ee3\u7801\u589e\u5f3a….")
\n }<\/p>\n @Pointcut("execution(execution(* com.itheima.aop.*.*(..))")
\n public void myPoint(){}
\n} <\/li>\n - \n
\u5728\u914d\u7f6e\u6587\u4ef6\u4e5f\u53ef\u4ee5\u8f6c\u6362<\/p>\n <!–\u6ce8\u89e3\u626b\u63cf–>
\n<context:component-scan base-package="com.itheima.aop"\/>
\n<!–aop\u7684\u81ea\u52a8\u4ee3\u7406–>
\n<aop:aspectj-autoproxy><\/aop:aspectj-autoproxy> @ContextConfiguration
\n\/\/\u6ce8\u89e3\u626b\u63cf
\n@ComponentScan("com.itheima.anno")
\n\/\/aop\u7684\u81ea\u52a8\u4ee3\u7406
\n@EnableAspectJAutoProxy
\npublic class SpringConfig { } <\/li>\n 3.3 \u77e5\u8bc6\u8981\u70b9<\/h4>\n\n- \n
\u6ce8\u89e3aop\u5f00\u53d1\u6b65\u9aa4<\/p>\n - \n
\u4f7f\u7528@Aspect\u6807\u6ce8\u5207\u9762\u7c7b<\/p>\n<\/li>\n - \n
\u4f7f\u7528@\u901a\u77e5\u6ce8\u89e3\u6807\u6ce8\u901a\u77e5\u65b9\u6cd5<\/p>\n<\/li>\n - \n
\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6eaop\u81ea\u52a8\u4ee3\u7406< aop:aspectj-autoproxy >< \/aop:aspectj-autoproxy >\u548c\u6ce8\u89e3\u626b\u63cf<\/p>\n<\/li>\n<\/li>\n - \n
\u901a\u77e5\u6ce8\u89e3\u7c7b\u578b<\/p>\n<\/p>\n<\/li>\n<\/ul>\n 04_Spring jdbcTemplate\u57fa\u672c\u4f7f\u7528<\/h2>\n1. Spring jdbcTemplate\u57fa\u672c\u4f7f\u7528<\/h3>\n1.1 jdbcTemplate\u6982\u8ff0<\/h4>\n\u5b83\u662fspring\u6846\u67b6\u4e2d\u63d0\u4f9b\u7684\u4e00\u4e2a\u5bf9\u8c61，\u662f\u5bf9\u539f\u59cb\u7e41\u7410\u7684jdbc API\u5bf9\u8c61\u7684\u7b80\u5355\u5c01\u88c5\u3002spring\u6846\u67b6\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u5f88\u591a\u7684\u64cd\u4f5c\u6a21\u677f\u7c7b\u3002\u4f8b\u5982：\u64cd\u4f5c\u5173\u7cfb\u578b\u6570\u636e\u7684jdbcTemplate\u548cHibernateTemplate，\u64cd\u4f5cnosql\u6570\u636e\u5e93RedisTemplate，\u64cd\u4f5c\u6d88\u606f\u961f\u5217\u7684Jms Template\u7b49\u7b49\u3002<\/p>\n 1.2 JdbcTemplate\u5f00\u53d1\u6b65\u9aa4<\/h4>\n - \n
\u5bfc\u5165spring-jdbc\u548cspring-tx\u5750\u6807<\/p>\n<\/li>\n - \n
\u521b\u5efa\u6570\u636e\u5e93\u8868\u548c\u5b9e\u4f53<\/p>\n<\/li>\n - \n
\u521b\u5efaJdbcTemplate\u5bf9\u8c61<\/p>\n<\/li>\n - \n
\u6267\u884c\u6570\u636e\u5e93\u64cd\u4f5c<\/p>\n<\/li>\n 1.3 JdbcTemplate\u5feb\u901f\u5165\u95e8<\/h4>\n - \n
\u5bfc\u5165\u5750\u6807(\u8981\u4f7f\u7528\u8fd9\u4e2a \u4e0d\u7136\u5bb9\u6613\u62a5\u9519)<\/p>\n <dependency>
\n <groupId>org.springframework<\/groupId>
\n <artifactId>spring-jdbc<\/artifactId>
\n <version>5.0.5.RELEASE<\/version>
\n<\/dependency>
\n<dependency>
\n <groupId>org.springframework<\/groupId>
\n <artifactId>spring-tx<\/artifactId>
\n <version>5.0.5.RELEASE<\/version>
\n<\/dependency> <\/li>\n - \n
\u521b\u5efaaccount\u8868\u548c\u5b9e\u4f53<\/p>\n<\/p>\n public class Account{
\n private String name;
\n private double money;
\n getter+setter
\n} <\/li>\n - \n
\u521b\u5efajdbcTemplate\u5bf9\u8c61<\/p>\n<\/li>\n - \n
\u6267\u884c\u6570\u636e\u5e93\u64cd\u4f5c<\/p>\n public class JdbcTemplateTest {
\n \u00a0 \u00a0@Test
\n \u00a0 \u00a0public void test1() throws Exception {
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/\u521b\u5efa\u6570\u636e\u6e90\u5bf9\u8c61
\n \u00a0 \u00a0 \u00a0 \u00a0ComboPooledDataSource dataSource=new ComboPooledDataSource();
\n \u00a0 \u00a0 \u00a0 \u00a0dataSource.setDriverClass("com.mysql.cj.jdbc.Driver");
\n \u00a0 \u00a0 \u00a0 \u00a0dataSource.setJdbcUrl("jdbc:mysql:\/\/localhost:3306\/test?useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC");
\n \u00a0 \u00a0 \u00a0 \u00a0dataSource.setUser("root");
\n \u00a0 \u00a0 \u00a0 \u00a0dataSource.setPassword("admin");
\n\u200b
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/\u8bbe\u7f6e\u6570\u636e\u6e90\u5bf9\u8c61 \u77e5\u9053\u6570\u636e\u5e93\u5728\u54ea
\n \u00a0 \u00a0 \u00a0 \u00a0JdbcTemplate jdbcTemplate=new JdbcTemplate();
\n \u00a0 \u00a0 \u00a0 \u00a0jdbcTemplate.setDataSource(dataSource);
\n \u00a0 \u00a0 \u00a0 \u00a0\/\/\u6267\u884c\u64cd\u4f5c
\n \u00a0 \u00a0 \u00a0 \u00a0Object[] objects=new Object[]{"kiki",5000};
\n \u00a0 \u00a0 \u00a0 \u00a0int tom = jdbcTemplate.update("insert into account values(?,?)",objects);
\n \u00a0 \u00a0 \u00a0 \u00a0System.out.println(tom);
\n \u00a0 }
\n} <\/li>\n 1.4 Spring\u4ea7\u751fjdbcTemplate\u5bf9\u8c61<\/h4>\n\u6211\u4eec\u53ef\u4ee5\u5c06jdbcTemplate\u76842\u521b\u5efa\u6743\u4ea4\u7ed9spring，\u5c06\u6570\u636e\u6e90datasource\u7684\u521b\u5efa\u6743\u4e5f\u4ea4\u7ed9spring，\u5728spring\u5bb9\u5668\u5185\u90e8\u5c06\u6570\u636e\u6e90DataSource\u6ce8\u5165\u5230jdbcTemplate\u6a21\u677f\u5bf9\u8c61\u4e2d，\u914d\u7f6e\u5982\u4e0b：<\/p>\n jdbc.properties<\/p>\n jdbc.driver=com.mysql.cj.jdbc.Driver
\njdbc.url=jdbc:mysql:\/\/localhost:3306\/test?useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC
\njdbc.username=root
\njdbc.password=admin <\/p>\n applicationContext.xml<\/p>\n <?xml version="1.0" encoding="UTF-8"?>
\n<beans xmlns="http:\/\/www.springframework.org\/schema\/beans"
\n \u00a0 \u00a0 \u00a0 xmlns:context="http:\/\/www.springframework.org\/schema\/context"
\n \u00a0 \u00a0 \u00a0 xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance"
\n \u00a0 \u00a0 \u00a0 xsi:schemaLocation="http:\/\/www.springframework.org\/schema\/beans http:\/\/www.springframework.org\/schema\/beans\/spring-beans.xsd
\n \u00a0 \u00a0 \u00a0 http:\/\/www.springframework.org\/schema\/context http:\/\/www.springframework.org\/schema\/context\/spring-context.xsd"
\n>
\n<!–\u914d\u7f6e\u6570\u636e\u6e90\u5bf9\u8c61–>
\n \u00a0 \u00a0<!–\u8981\u52a0\u8f7d\u5916\u90e8\u6587\u4ef6–>
\n \u00a0 \u00a0<context:property-placeholder location="classpath:jdbc.properties"\/>
\n \u00a0 \u00a0<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
\n \u00a0 \u00a0 \u00a0 \u00a0<property name="driverClass" value="${jdbc.driver}"\/>
\n \u00a0 \u00a0 \u00a0 \u00a0<property name="jdbcUrl" value="${jdbc.url}"\/>
\n \u00a0 \u00a0 \u00a0 \u00a0<property name="user" value="${jdbc.username}"\/>
\n \u00a0 \u00a0 \u00a0 \u00a0<property name="password" value="${jdbc.password}"\/>
\n \u00a0 \u00a0<\/bean>
\n \u00a0 \u00a0<!–jdbc\u6a21\u677f\u5bf9\u8c61–>
\n \u00a0 \u00a0<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
\n \u00a0 \u00a0 \u00a0 \u00a0<property name="dataSource" ref="dataSource"\/>
\n \u00a0 \u00a0<\/bean>
\n<\/beans> <\/p>\n 1.5 jdbcTemplate\u7684\u5e38\u7528\u64cd\u4f5c<\/h4>\n\u64cd\u4f5c<\/p>\n @RunWith(SpringJUnit4ClassRunner.class)
\n@ContextConfiguration("classpath:applicationContext.xml")
\npublic class jdbcTemplateCRUDTest {
\n @Autowired
\n private JdbcTemplate jdbcTemplate;<\/p>\n @Test
\n public void testUpdate(){
\n Object object[]=new Object[]{10000,"kiki"};
\n int update = jdbcTemplate.update("update account set money=? where name=?",object);
\n System.out.println(update);
\n }<\/p>\n @Test
\n public void testDelete(){
\n int tom = jdbcTemplate.update("delete from account where name=?", "tom");
\n System.out.println(tom);
\n }
\n \/\/\u67e5\u8be2\u5168\u90e8
\n @Test
\n public void testQueryALL(){
\n List<Account> accountList = jdbcTemplate.query("select * from account", new BeanPropertyRowMapper<Account>(Account.class));
\n System.out.println(accountList);
\n }
\n \/\/\u67e5\u8be2kiki\u7684\u8d26\u6237，\u8fd4\u56dekiki\u7684account\u5bf9\u8c61
\n @Test
\n public void testQueryOne(){
\n Account kiki = jdbcTemplate.queryForObject("select * from account where name=?", new BeanPropertyRowMapper<Account>(Account.class), "kiki");
\n System.out.println(kiki);
\n }
\n \/\/\u67e5\u8be2 \u8fd4\u56de\u666e\u901a\u7c7b\u578b\u5bf9\u8c61 \u8fd9\u91cc\u67e5\u8be2\u884c\u6570
\n @Test
\n public void testQueryCount(){
\n Long aLong = jdbcTemplate.queryForObject("select count(*) from account", Long.class);
\n System.out.println(aLong);
\n }
\n}<\/p>\n 1.6 \u77e5\u8bc6\u8981\u70b9<\/h4>\n - \n
\u5bfc\u5165spring-jdbc\u548csprng-tx\u5750\u6807(\u7b2c\u4e00\u4e2a\u5c01\u88c5\u4e86jdbc\u6a21\u677f，\u7b2c\u4e8c\u4e2a\u505a\u4e8b\u52a1)<\/p>\n<\/li>\n - \n
\u521b\u5efa\u6570\u636e\u5e93\u8868\u548c\u5b9e\u4f53<\/p>\n<\/li>\n - \n
\u521b\u5efadataSource\u548cjdbcTemplate\u5bf9\u8c61<\/p>\n<\/li>\n - \n
\u6267\u884c\u6570\u636e\u5e93\u64cd\u4f5c<\/p>\n \n- \n
\u589e\u6539\u5220\u64cd\u4f5c<\/p>\n jdbcTemplate.update(sql,params) params\u662fObejct[] \u5bf9\u5e94sql\u7684\u95ee\u53f7<\/p>\n<\/li>\n - \n
\u67e5\u8be2\u64cd\u4f5c<\/p>\n \u67e5\u8be2\u5168\u90e8<\/p>\n jdbcTemplate.query(sql,new Mapper<\u5b9e\u4f53\u5bf9\u8c61\u7c7b>(\u5b9e\u4f53\u5bf9\u8c61\u7c7b.class),params)<\/p>\n \u67e5\u8be2\u4e00\u4e2a<\/p>\n jdbcTemplate.queryForObject(sql,Mapper,parame)<\/p>\n \u67e5\u8be2\u8fd4\u56de\u666e\u901a\u7c7b\u578b<\/p>\n jdbcTemplate.queryForObject(sql,class<T>)<\/p>\n<\/li>\n<\/ul>\n<\/li>\n 05_\u58f0\u660e\u5f0f\u4e8b\u52a1\u63a7\u5236<\/h2>\n1. \u7f16\u7a0b\u5f0f\u4e8b\u52a1\u63a7\u5236\u76f8\u5173\u5bf9\u8c61<\/h3>\n1.1 PlatformTransactionManager<\/h4>\nPlatformTransactionManager\u63a5\u53e3\u662fspring\u7684\u4e8b\u52a1\u7ba1\u7406\u5668，\u5b83\u91cc\u9762\u63d0\u4f9b\u4e86\u6211\u4eec\u5e38\u7528\u7684\u64cd\u4f5c\u4e8b\u52a1\u7684\u65b9\u6cd5<\/p>\n \n\u65b9\u6cd5\u8bf4\u660e<\/tr>\n \n\n| TransactionStatus getTransaction(TransactionDefination defination)<\/td>\n | \u83b7\u53d6\u4e8b\u52a1\u7684\u72b6\u6001\u4fe1\u606f<\/td>\n<\/tr>\n | \n| void commit(TransactionStatus status)<\/td>\n | \u63d0\u4ea4\u4e8b\u52a1<\/td>\n<\/tr>\n | \n| void rollback(TransactionStatus status)<\/td>\n | \u56de\u6eda\u4e8b\u52a1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u6ce8\u610f：<\/p>\n PlatformTransactionManager\u662f\u63a5\u53e3\u7c7b\u578b，\u4e0d\u540c\u7684dao\u5c42\u6280\u672f\u5219\u6709\u4e0d\u540c\u7684\u5b9e\u73b0\u7c7b，\u4f8b\u5982Dao\u5c42\u6280\u672f\u662fjdbc\u6216mybatis\u65f6：org.springframework.jdbc.datasource.DataSourceTransactionManager<\/p>\n Dao\u5c42\u6280\u672f\u662fhibernate\u65f6：org,springframwork.orm.hibernate5.HibernateTransactionManager<\/p>\n 1.2 TransactionDefinition<\/h4>\nTransactionDefinition\u662f\u4e8b\u52a1\u7684\u5b9a\u4e49\u4fe1\u606f\u5bf9\u8c61，\u91cc\u9762\u6709\u5982\u4e0b\u65b9\u6cd5：<\/p>\n \n\u65b9\u6cd5\u8bf4\u660e<\/tr>\n \n\n| int getIsolationLevel()<\/td>\n | \u83b7\u5f97\u4e8b\u52a1\u7684\u9694\u79bb\u7ea7\u522b<\/td>\n<\/tr>\n | \n| int getPropogationBehavior()<\/td>\n | \u83b7\u5f97\u4e8b\u52a1\u7684\u4f20\u64ad\u884c\u4e3a<\/td>\n<\/tr>\n | \n| int getTimeout()<\/td>\n | \u83b7\u5f97\u8d85\u65f6\u65f6\u95f4<\/td>\n<\/tr>\n | \n| boolean isReadOnly()<\/td>\n | \u662f\u5426\u53ea\u8bfb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n- \n
\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b<\/p>\n \u8bbe\u7f6e\u9694\u79bb\u7ea7\u522b，\u53ef\u4ee5\u89e3\u51b3\u4e8b\u52a1\u5e76\u53d1\u4ea7\u751f\u7684\u95ee\u9898，\u5982\u810f\u8bfb\u3001\u4e0d\u53ef\u91cd\u590d\u8bfb\u548c\u865a\u8bfb<\/p>\n \n- \n
ISOLATION_DEFAULT<\/p>\n<\/li>\n - \n
ISOLATION_READ_UNCOMMITTED<\/p>\n<\/li>\n - \n
ISOLATION_READ_COMMITTED<\/p>\n<\/li>\n - \n
ISOLATION_REPEATABLE_READ<\/p>\n<\/li>\n - \n
ISOLATION_SERIALAIZABLE<\/p>\n<\/li>\n<\/ul>\n<\/li>\n - \n
\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a<\/p>\n \n- \n
REQUIRED：\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1，\u5c31\u65b0\u5efa\u4e00\u4e2a\u4e8b\u52a1，\u5982\u679c\u5df2\u7ecf\u5b58\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d，\u52a0\u5165\u5230\u8fd9\u4e2a\u4e8b\u52a1\u4e2d\u3002\u4e00\u822c\u7684\u9009\u62e9(\u9ed8\u8ba4\u503c)<\/p>\n （A\u8c03\u7528B，B\u770bA\u6709\u6ca1\u6709\u4e8b\u52a1，\u6ca1\u6709\u5c31\u65b0\u5efa，\u6709\u5c31\u52a0\u5165\u5b83）<\/p>\n<\/li>\n - \n
SUPPORTS：\u652f\u6301\u5f53\u524d\u4e8b\u52a1，\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1，\u5c31\u4ee5\u975e\u4e8b\u52a1\u65b9\u5f0f\u6267\u884c(\u6ca1\u6709\u4e8b\u52a1)<\/p>\n （A\u8c03\u7528B，B\u770b\u770bA\u6709\u6ca1\u6709\u4e8b\u52a1，\u6709\u5c31\u4e00\u8d77\u7528，\u6ca1\u6709\u5c31\u975e\u4e8b\u52a1\u8fd0\u884c）<\/p>\n<\/li>\n - \n
MANDATORY：\u4f7f\u7528\u5f53\u524d\u7684\u4e8b\u52a1，\u5982\u679c\u5f53\u524d\u6ca1\u6709\u4e8b\u52a1，\u5c31\u629b\u51fa\u5f02\u5e38<\/p>\n<\/li>\n - \n
REQUERS_NEW：\u65b0\u5efa\u4e8b\u52a1，\u5982\u679c\u5f53\u524d\u5728\u4e8b\u52a1\u4e2d，\u628a\u5f53\u524d\u4e8b\u52a1\u6302\u8d77<\/p>\n<\/li>\n - \n
NOT_SUPPORTED：\u4ee5\u975e\u4e8b\u52a1\u65b9\u5f0f\u6267\u884c\u64cd\u4f5c，\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1，\u5c31\u628a\u5f53\u524d\u4e8b\u52a1\u6302\u8d77<\/p>\n<\/li>\n - \n
MEVER：\u4ee5\u975e\u4e8b\u52a1\u65b9\u5f0f\u8fd0\u884c，\u5982\u679c\u5f53\u524d\u5b58\u5728\u4e8b\u52a1，\u629b\u51fa\u5f02\u5e38<\/p>\n<\/li>\n - \n
\u8d85\u65f6\u65f6\u95f4：\u9ed8\u8ba4\u503c\u662f-1，\u6ca1\u6709\u8d85\u65f6\u9650\u5236\u3002\u5982\u679c\u6709，\u4ee5\u79d2\u4e3a\u5355\u4f4d\u8fdb\u884c\u8bbe\u7f6e<\/p>\n<\/li>\n - \n
\u662f\u5426\u53ea\u8bfb：\u5efa\u8bae\u67e5\u8be2\u65f6\u8bbe\u7f6e\u4e3a\u53ea\u8bfb<\/p>\n<\/li>\n<\/ul>\n<\/li>\n 1.3 TransactionStatus<\/h4>\nTransactionStatus\u63a5\u53e3\u63d0\u4f9b\u7684\u662f\u4e8b\u52a1\u5177\u4f53\u7684\u8fd0\u884c\u72b6\u6001，\u65b9\u6cd5\u4ecb\u7ecd\u5982\u4e0b：<\/p>\n \n\u65b9\u6cd5\u8bf4\u660e<\/tr>\n \n\n| boolean hasSavepoint()<\/td>\n | \u662f\u5426\u5b58\u50a8\u56de\u6eda\u70b9<\/td>\n<\/tr>\n | \n| boolean isCompleted()<\/td>\n | \u4e8b\u52a1\u662f\u5426\u5b8c\u6210<\/td>\n<\/tr>\n | \n| boolean isNewTransaction()<\/td>\n | \u662f\u5426\u6709\u65b0\u4e8b\u52a1<\/td>\n<\/tr>\n | \n| boolean isRollbackOnly()<\/td>\n | \u4e8b\u52a1\u662f\u5426\u56de\u6eda<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n1.4 \u77e5\u8bc6\u8981\u70b9<\/h4>\n\u7f16\u7a0b\u5f0f\u4e8b\u52a1\u63a7\u5236\u4e09\u5927\u5bf9\u8c61（\u8981\u7406\u89e3\u4ed6\u4eec\u7684\u4f5c\u7528）<\/p>\n \n- \n
PlatformTransactionManager(\u4e8b\u52a1\u5b9a\u4e49\u884c\u4e3a \u4e8b\u52a1\u7ba1\u7406\u5bf9\u8c61 \u6839\u636e\u4e0d\u540c\u7684\u6570\u636e\u5e93\u8fd0\u7528\u4e0d\u540c\u7684\u5305)<\/p>\n<\/li>\n - \n
TransactionDefintion(\u4e8b\u52a1\u5b9a\u4e49\u5bf9\u8c61 \u5b9a\u4e49\u4e8b\u52a1\u76f8\u5173\u53c2\u6570)<\/p>\n<\/li>\n - \n
TransactionStatus(\u88ab\u52a8\u5c01\u88c5\u72b6\u6001\u4fe1\u606f \u4e0d\u9700\u8981\u6307\u5b9a\u523b\u610f\u53bb\u5f04)<\/p>\n<\/li>\n<\/ul>\n 2.\u57fa\u4e8eXML\u7684\u58f0\u660e\u5f0f\u4e8b\u52a1\u63a7\u5236<\/h3>\n2.1 \u4ec0\u4e48\u662f\u58f0\u660e\u5f0f\u4e8b\u52a1\u63a7\u5236<\/h4>\nspring\u7684\u58f0\u660e\u5f0f\u4e8b\u52a1\u987e\u540d\u601d\u4e49\u5c31\u662f\u91c7\u7528\u58f0\u660e\u7684\u65b9\u5f0f\u6765\u5904\u7406\u4e8b\u52a1，\u8fd9\u91cc\u6240\u8bf4\u7684\u58f0\u660e，\u5c31\u662f\u6307\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u58f0\u660e，\u7528\u5728spring\u914d\u7f6e\u6587\u4ef6\u4e2d\u58f0\u660e\u5f0f\u7684\u5904\u7406\u4e8b\u52a1\u6765\u4ee3\u66ff\u4ee3\u7801\u5f0f\u7684\u5904\u7406\u4e8b\u52a1\u3002<\/p>\n \u58f0\u660e\u5f0f\u4e8b\u52a1\u5904\u7406\u7684\u4f5c\u7528<\/p>\n \n- \n
\u4e8b\u52a1\u7ba1\u7406\u4e0d\u4fb5\u5165\u5f00\u53d1\u7684\u7ec4\u4ef6\u3002\u5177\u4f53\u6765\u8bf4，\u4e1a\u52a1\u903b\u8f91\u5bf9\u8c61\u5c31\u4e0d\u4f1a\u610f\u8bc6\u5230\u6b63\u5728\u4e8b\u52a1\u7ba1\u7406\u4e4b\u4e2d，\u4e8b\u5b9e\u4e0a\u4e5f\u5e94\u8be5\u5982\u6b64，\u56e0\u4e3a\u4e8b\u52a1\u7ba1\u7406\u662f\u5c5e\u4e8e\u7cfb\u7edf\u5c42\u9762\u7684\u670d\u52a1，\u800c\u4e0d\u662f\u4e1a\u52a1\u903b\u8f91\u7684\u4e00\u90e8\u5206，\u5982\u679c\u60f3\u8981\u6539\u53d8\u4e8b\u52a1\u7ba1\u7406\u7b56\u5212\u7684\u8bdd，\u4e5f\u53ea\u9700\u8981\u5728\u5b9a\u4e49\u6587\u4ef6\u4e2d\u91cd\u65b0\u914d\u7f6e\u5373\u53ef<\/p>\n<\/li>\n - \n
\u5728\u4e0d\u9700\u8981\u4e8b\u52a1\u7ba1\u7406\u7684\u65f6\u5019，\u53ea\u8981\u5728\u8bbe\u5b9a\u6587\u4ef6\u4e0a\u4fee\u6539\u4e00\u4e0b，\u5373\u53ef\u79fb\u53bb\u4e8b\u52a1\u7ba1\u7406\u670d\u52a1，\u65e0\u9700\u8be5\u8868\u4ee3\u7801\u91cd\u65b0\u7f16\u8bd1，\u8fd9\u6837\u7ef4\u62a4\u8d77\u6765\u6781\u5176\u65b9\u4fbf<\/p>\n<\/li>\n<\/ul>\n \u6ce8\u610f：Spring\u58f0\u660e\u5f0f\u4e8b\u52a1\u63a7\u5236\u5e95\u5c42\u5c31\u662fAOP\u3002<\/p>\n 2.2 \u58f0\u660e\u5f0f\u4e8b\u52a1\u63a7\u5236\u7684\u5b9e\u73b0<\/h4>\n\u58f0\u660e\u5f0f\u4e8b\u52a1\u63a7\u5236\u660e\u786e\u4e8b\u9879：<\/p>\n \n- \n
\u8c01\u662f\u5207\u70b9？<\/p>\n<\/li>\n - \n
\u8c01\u662f\u901a\u77e5？<\/p>\n<\/li>\n - \n
\u914d\u7f6e\u5207\u9762？<\/p>\n<\/li>\n<\/ul>\n - \n
\u5bfc\u5305<\/p>\n <dependencies>
\n <dependency>
\n <groupId>org.springframework<\/groupId>
\n <artifactId>spring-context<\/artifactId>
\n <version>5.3.1<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>org.aspectj<\/groupId>
\n <artifactId>aspectjweaver<\/artifactId>
\n <version>1.8.13<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>org.springframework<\/groupId>
\n <artifactId>spring-test<\/artifactId>
\n <version>5.3.1<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>com.mchange<\/groupId>
\n <artifactId>c3p0<\/artifactId>
\n <version>0.9.5.5<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>org.springframework<\/groupId>
\n <artifactId>spring-jdbc<\/artifactId>
\n <version>5.0.5.RELEASE<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>org.springframework<\/groupId>
\n <artifactId>spring-tx<\/artifactId>
\n <version>5.0.5.RELEASE<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>mysql<\/groupId>
\n <artifactId>mysql-connector-java<\/artifactId>
\n <version>8.0.22<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>junit<\/groupId>
\n <artifactId>junit<\/artifactId>
\n <version>4.13.1<\/version>
\n <\/dependency>
\n<\/dependencies> <\/li>\n - \n
\u914d\u7f6e\u6587\u4ef6，\u4e8b\u52a1\u5e95\u5c42\u539f\u7406\u7528\u5230aop，\u5c5e\u4e8e\u9700\u8981\u5f15\u5165aop\u548ctx<\/p>\n xmlns:context="http:\/\/www.springframework.org\/schema\/context"
\n xmlns:p="http:\/\/www.springframework.org\/schema\/p"
\n xmlns:tx="http:\/\/www.springframework.org\/schema\/tx"
\n xmlns:aop="http:\/\/www.springframework.org\/schema\/aop"<\/p>\n http:\/\/www.springframework.org\/schema\/context http:\/\/www.springframework.org\/schema\/context\/spring-context.xsd<\/p>\n http:\/\/www.springframework.org\/schema\/tx http:\/\/www.springframework.org\/schema\/tx\/spring-tx.xsd<\/p>\n http:\/\/www.springframework.org\/schema\/aop http:\/\/www.springframework.org\/schema\/aop\/spring-aop.xsd <!–\u8f7d\u5165\u5916\u90e8\u6587\u4ef6–>
\n<context:property-placeholder location="jdbc.properties"\/>
\n<!–\u914d\u7f6e\u6570\u636e\u6e90–>
\n<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
\n p:driverClass="${jdbc.driver}" p:jdbcUrl="${jdbc.url}"
\n p:user="${jdbc.username}" p:password="${jdbc.password}"\/>
\n<!–\u914d\u7f6e\u6570\u636e\u6a21\u677f\u5bf9\u8c61–>
\n <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate" p:dataSource-ref="dataSource"\/><\/p>\n <bean id="accountDao" class="com.itheima.dao.impl.AccountDaoImpl" p:jdbcTemplate-ref="jdbcTemplate"\/><\/p>\n <bean id="accountService" class="com.itheima.service.impl.AccountServiceImpl" p:accountDao-ref="accountDao"\/><\/p>\n <!–\u914d\u7f6e\u5e73\u53f0\u4e8b\u52a1\u7ba1\u7406\u5668 \u544a\u8bc9\u4e8b\u52a1\u6570\u636e\u5e93\u662f\u4ec0\u4e48–>
\n <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" p:dataSource-ref="dataSource" \/><\/p>\n <!–\u901a\u77e5 \u4e8b\u52a1\u7684\u589e\u5f3a–>
\n <tx:advice id="txAdvice" transaction-manager="transactionManager">
\n <!–\u8bbe\u7f6e\u4e8b\u52a1\u5c5e\u6027\u4fe1\u606f–>
\n <tx:attributes>
\n <tx:method name="*"\/>
\n <\/tx:attributes>
\n <\/tx:advice><\/p>\n <!–1.\u914d\u7f6e\u4e8b\u52a1\u7684aop\u7ec7\u5165–>
\n <aop:config>
\n <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.itheima.service.impl.*.*(..))"\/>
\n <\/aop:config><\/p>\n <!–2.\u4e8b\u52a1\u7684aop\u589e\u5f3a–>
\n<aop:config>
\n <aop:pointcut id="myPointcut" expression="execution(* com.itheima.service.impl.*.*(..))"\/>
\n <aop:advisor advice-ref="txAdvice" pointcut-ref="myPointcut"><\/aop:advisor>
\n<\/aop:config>\n <\/li>\n - \n
\u6d4b\u8bd5<\/p>\n public class AccountDaoImpl implements AccountDao {
\n private JdbcTemplate jdbcTemplate;<\/p>\n public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
\n this.jdbcTemplate = jdbcTemplate;
\n }<\/p>\n @Override
\n public void out(String outMan, double money) {
\n jdbcTemplate.update("update account set money=money-? where name=?",money,outMan);
\n }<\/p>\n @Override
\n public void in(String inMan, double money) {
\n jdbcTemplate.update("update account set money=money+? where name=?",money,inMan);
\n }<\/p>\n } public class AccountServiceImpl implements AccountService {
\n private AccountDao accountDao;<\/p>\n public void setAccountDao(AccountDao accountDao) {
\n this.accountDao = accountDao;
\n }<\/p>\n @Override
\n public void transfer(String outMan, String inMan, double money) {
\n accountDao.out(outMan,money);
\n int i=1\/0;\/\/\u9519\u8bef \u67e5\u770b\u6570\u636e\u5e93\u662f\u5426\u53d8\u5316
\n accountDao.in(inMan,money);
\n }<\/p>\n } public class AccountController {
\n public static void main(String[] args) {
\n ApplicationContext app=new ClassPathXmlApplicationContext("applicationContext.xml");
\n AccountService accountService=app.getBean(AccountService.class);
\n accountService.transfer("kiki","to",500);
\n }
\n} <\/li>\n 2.3 \u5207\u70b9\u65b9\u6cd5\u7684\u4e8b\u52a1\u53c2\u6570\u7684\u914d\u7f6e<\/h4>\n<!–1.\u914d\u7f6e\u4e8b\u52a1\u7684aop\u7ec7\u5165–>
\n<aop:config>
\n <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.itheima.service.impl.*.*(..))"\/>
\n<\/aop:config> <\/p>\n \u5176\u4e2d，< tx:method >\u4ee3\u8868\u5207\u70b9\u65b9\u6cd5\u7684\u4e8b\u52a1\u53c2\u6570\u7684\u914d\u7f6e，\u4f8b\u5982：<\/p>\n <tx:method name="transfer" isolation="REPEATABLE_READ" propagation="REQUIRED" timeout="-1" read-only="false"\/> <\/p>\n name：\u5207\u70b9\u65b9\u6cd5\u540d\u79f0<\/p>\n isolation：\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b<\/p>\n propogation：\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a<\/p>\n timeout：\u8d85\u8fc7\u65f6\u95f4<\/p>\n read-only：\u662f\u5426\u53ea\u8bfb<\/p>\n 2.4 \u77e5\u8bc6\u8981\u70b9<\/h4>\n\u58f0\u660e\u5f0f\u662fu\u6211\u63a7\u5236\u7684\u914d\u7f6e\u8981\u70b9<\/p>\n - \n
\u5e73\u53f0\u4e8b\u52a1\u7ba1\u7406\u5668\u914d\u7f6e<\/p>\n<\/li>\n - \n
\u4e8b\u52a1\u901a\u77e5\u7684\u914d\u7f6e<\/p>\n<\/li>\n - \n
\u4e8b\u52a1aop\u7ec7\u5165\u7684\u914d\u7f6e<\/p>\n<\/li>\n 3. \u4f7f\u7528\u6ce8\u89e3\u914d\u7f6e\u58f0\u660e\u5f0f\u4e8b\u52a1\u63a7\u5236<\/h3>\n3.1 \u4f7f\u7528\u6ce8\u89e3\u914d\u7f6e\u58f0\u660e\u5f0f\u4e8b\u52a1\u63a7\u5236<\/h4>\n - \n
xml\u914d\u7f6e（\u81ea\u5b9a\u4e49\u914d\u7f6e\u53ef\u4f7f\u7528\u6ce8\u89e3，\u975e\u81ea\u5b9a\u4e49\u5efa\u8baexml\u914d\u7f6e）<\/p>\n <context:property-placeholder location="jdbc.properties"\/><\/p>\n <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
\n p:driverClass="${jdbc.driver}" p:jdbcUrl="${jdbc.url}"
\n p:user="${jdbc.username}" p:password="${jdbc.password}"\/><\/p>\n <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate" p:dataSource-ref="dataSource"\/><\/p>\n <!–\u6ce8\u89e3\u626b\u63cf–>
\n <context:component-scan base-package="com.itheima"\/><\/p>\n <!–\u914d\u7f6e\u5e73\u53f0\u4e8b\u52a1\u7ba1\u7406\u5668–>
\n <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" p:dataSource-ref="dataSource" \/><\/p>\n <!–\u4e8b\u52a1\u6ce8\u89e3\u9a71\u52a8–>
\n <tx:annotation-driven transaction-manager="transactionManager"\/> <\/li>\n - \n
\u7f16\u5199AccountDao<\/p>\n @Repository("accountDao")
\npublic class AccountDaoImpl implements AccountDao {
\n @Autowired
\n private JdbcTemplate jdbcTemplate;<\/p>\n @Override
\n public void out(String outMan, double money) {
\n jdbcTemplate.update("update account set money=money-? where name=?",money,outMan);
\n }<\/p>\n @Override
\n public void in(String inMan, double money) {
\n jdbcTemplate.update("update account set money=money+? where name=?",money,inMan);
\n }<\/p>\n } <\/li>\n - \n
\u7f16\u5199AccountService<\/p>\n @Service("accountService")
\npublic class AccountServiceImpl implements AccountService {
\n @Autowired
\n private AccountDao accountDao;<\/p>\n @Override
\n @Transactional(isolation = Isolation.DEFAULT,propagation = Propagation.REQUIRED)
\n public void transfer(String outMan, String inMan, double money) {
\n accountDao.out(outMan,money);
\n accountDao.in(inMan,money);
\n }<\/p>\n } <\/li>\n - \n
\u914d\u7f6eapplicationContext.xml\u914d\u7f6e\u6587\u4ef6<\/p>\n <!–\u6ce8\u89e3\u626b\u63cf–>
\n <context:component-scan base-package="com.itheima"\/>
\n<!–\u4e8b\u52a1\u6ce8\u89e3\u9a71\u52a8–>
\n <tx:annotation-driven transaction-manager="transactionManager"\/> <\/li>\n 3.2 \u6ce8\u89e3\u914d\u7f6e\u58f0\u660e\u5f0f\u4e8b\u52a1\u63a7\u5236\u89e3\u6790<\/h4>\n - \n
\u4f7f\u7528@Transactional\u5728\u9700\u8981\u8fdb\u884c\u4e8b\u52a1\u63a7\u5236\u7684\u7c7b\u6216\u662f\u65b9\u6cd5\u4e0a\u4fee\u9970，\u6ce8\u89e3\u53ef\u7528\u7684\u5c5e\u6027\u540cxml\u914d\u7f6e\u65b9\u5f0f，\u4f8b\u5982\u9694\u79bb\u7ea7\u522b\u3001\u4f20\u64ad\u884c\u4e3a\u7b49\u3002<\/p>\n @Transactional(isolation = Isolation.DEFAULT,propagation = Propagation.REQUIRED)<\/p>\n<\/li>\n - \n
\u6ce8\u89e3\u4f7f\u7528\u5728\u7c7b\u4e0a，\u90a3\u4e48\u8be5\u7c7b\u4e0b\u7684\u6240\u6709\u65b9\u6cd5\u90fd\u4f7f\u7528\u540c\u4e00\u5957\u6ce8\u89e3\u53c2\u6570\u914d\u7f6e\u3002<\/p>\n<\/li>\n - \n
\u4f7f\u7528\u5728\u65b9\u6cd5\u4e0a，\u4e0d\u540c\u7684\u65b9\u6cd5\u53ef\u7528\u91c7\u7528\u4e0d\u540c\u7684\u4e8b\u52a1\u53c2\u6570\u914d\u7f6e<\/p>\n<\/li>\n - \n
xml\u914d\u7f6e\u6587\u4ef6\u4e2d\u8981\u5f00\u542f\u4e8b\u52a1\u7684\u6ce8\u89e3\u9a71\u52a8<\/p>\n <tx:annotation-driven transaction-manager="transactionManager"\/><\/p>\n<\/li>\n 3.3 \u77e5\u8bc6\u8981\u70b9<\/h4>\n\u6ce8\u89e3\u58f0\u660e\u5f0f\u4e8b\u52a1\u63a7\u5236\u7684\u914d\u7f6e\u8981\u70b9<\/p>\n \n- \n
\u5e73\u53f0\u4e8b\u52a1\u7ba1\u7406\u5668\u914d\u7f6e（xml）<\/p>\n<\/li>\n - \n
\u4e8b\u52a1\u901a\u77e5\u7684\u914d\u7f6e（@Transaction\u6ce8\u89e3\u914d\u7f6e）<\/p>\n<\/li>\n - \n
\u4e8b\u52a1\u6ce8\u89e3\u9a71\u52a8\u7684\u914d\u7f6e< tx:annotation-driven\/><\/p>\n<\/li>\n<\/ul>\n 3-2 SpringMVC<\/h2>\n01-springmvc\u5feb\u901f\u5165\u95e8\u3001\u7ec4\u4ef6\u89e3\u6790<\/h2>\n1.Spring\u96c6\u6210web\u73af\u5883<\/h3>\n1.1 ApplicationContext\u5e94\u7528\u4e0a\u4e0b\u6587\u83b7\u53d6\u65b9\u5f0f<\/h4>\n\u5e94\u7528\u4e0a\u4e0b\u6587\u5bf9\u8c61\u662f\u901a\u8fc7new ClasspathXmlApplicationContext(spring\u914d\u7f6e\u6587\u4ef6)\u65b9\u5f0f\u83b7\u53d6\u7684，\u4f46\u662f\u6bcf\u6b21\u4ece\u5bb9\u5668\u4e2d\u83b7\u5f97Bean\u65f6\u90fd\u8981\u7f16\u5199new ClasspathXmlApplicationContext(spring\u914d\u7f6e\u6587\u4ef6)，\u8fd9\u6837\u7684\u5f0a\u7aef\u662f\u914d\u7f6e\u6587\u4ef6\u52a0\u8f7d\u591a\u6b21，\u5e94\u7528\u4e0a\u4e0b\u6587\u521b\u5efa\u591a\u6b21\u3002<\/p>\n \u5728web\u9879\u76ee\u4e2d，\u53ef\u4ee5\u4f7f\u7528ServletContextListener\u76d1\u542cweb\u5e94\u7528\u7684\u542f\u52a8，\u6211\u4eec\u53ef\u4ee5\u5728web\u5e94\u7528\u542f\u52a8\u65f6，\u5c31\u52a0\u8f7dspring\u7684\u914d\u7f6e\u6587\u4ef6，\u521b\u5efa\u5e94\u7528\u4e0a\u4e0b\u6587\u5bf9\u8c61ApplicationContext，\u5728\u5c06\u5176\u5b58\u50a8\u5230\u6700\u5927\u7684\u57dfservletContext\u57df\u4e2d，\u8fd9\u6837\u5c31\u53ef\u4ee5\u5728\u4efb\u610f\u4f4d\u7f6e\u4ece\u57df\u4e2d\u83b7\u5f97\u5e94\u7528\u4e0a\u4e0b\u6587ApplicationContext\u5bf9\u8c61\u4e86\u3002<\/p>\n \u603b\u7ed3\u5c31\u662f\u4e3a\u4e86\u4e0d\u8ba9\u914d\u7f6e\u6587\u4ef6\u88ab\u52a0\u8f7d\u592a\u591a\u6b21，\u51cf\u5c11\u91cd\u590d\u4ee3\u7801，\u56e0\u6b64\u505a\u4e00\u4e2alistener\u76f4\u63a5\u521d\u59cb\u5316\u914d\u7f6e\u6587\u4ef6<\/p>\n public class ContextLoaderListener implements ServletContextListener {
\n @Override
\n public void contextInitialized(ServletContextEvent servletContextEvent) {
\n \/\/\u8bfb\u53d6web.xml\u4e2d\u7684\u5168\u5c40\u53c2\u6570 \u5c06\u914d\u7f6e\u6587\u4ef6\u63d0\u53d6\u51fa\u6765
\n ServletContext servletContext = servletContextEvent.getServletContext();
\n String contextConfigLocation = servletContext.getInitParameter("contextConfigLocation");
\n ApplicationContext app=new ClassPathXmlApplicationContext(contextConfigLocation);
\n \/\/\u5c06spring\u7684\u5e94\u7528\u4e0a\u4e0b\u6587\u5bf9\u8c61\u5b58\u50a8\u5230ServletContext\u57df\u5f53\u4e2d
\n servletContext.setAttribute("app",app);
\n }
\n<listener>
\n <listener-class>com.itheima.listener.ContextLoaderListener<\/listener-class>
\n<\/listener>
\n<!–\u5168\u5c40\u53d8\u91cf–>
\n<context-param>
\n <param-name>contextConfigLocation<\/param-name>
\n <param-value>applicationContext.xml<\/param-value>
\n<\/context-param>
\npublic class WebApplicationContextUtils {
\n public static ApplicationContext getApplicationContext(ServletContext servletContext){
\n \/\/\u5728servlet\u4e66\u5199app\u65f6 \u4e07\u4e00\u5bf9\u65b9\u4e0d\u662fapp\u5565\u7684，\u6240\u4ee5\u7528\u4e00\u4e2a\u5de5\u5177\u7c7b\u83b7\u53d6\u4e0a\u4e0b\u6587\u5bf9\u8c61
\n return (ApplicationContext) servletContext.getAttribute("app");
\n }
\n}
\npublic class UserServlet extends HttpServlet {
\n @Override
\n protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
\n\/\/ ApplicationContext app=new ClassPathXmlApplicationContext("applicationContext.xml");
\n ServletContext servletContext = this.getServletContext();
\n \/\/ApplicationContext app = (ApplicationContext) servletContext.getAttribute("app");
\n ApplicationContext app = WebApplicationContextUtils.getApplicationContext(servletContext);
\n UserService u = app.getBean(UserService.class);
\n u.save();
\n }
\n} <\/p>\n 1.2 Spring\u63d0\u4f9b\u83b7\u53d6\u5e94\u7528\u4e0a\u4e0b\u6587\u7684\u5de5\u5177<\/h4>\n\u4e0a\u9762\u7684\u5206\u6790\u4e0d\u7528\u624b\u52a8\u5b9e\u73b0，spring\u63d0\u4f9b\u4e86\u4e00\u4e2a\u76d1\u542c\u5668ContextLoaderListener\u5c31\u662f\u5bf9\u4e0a\u8ff0\u529f\u80fd\u7684\u5c01\u88c5，\u8be5\u76d1\u542c\u5668\u5185\u90e8\u52a0\u8f7dSpring\u914d\u7f6e\u6587\u4ef6，\u521b\u5efa\u5e94\u7528\u4e0a\u4e0b\u6587\u5bf9\u8c61，\u5e76\u5b58\u50a8\u5230ServletContext\u57df\u4e2d，\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5ba2\u6237\u7aef\u5de5\u5177WebApplicationContextUtils\u4f9b\u4f7f\u7528\u8005\u83b7\u5f97\u5e94\u7528\u4e0a\u4e0b\u6587\u5bf9\u8c61\u3002<\/p>\n \u6240\u4ee5\u6211\u4eec\u9700\u8981\u505a\u7684\u53ea\u6709\u4e24\u4ef6\u4e8b：<\/p>\n - \n
\u5728web.xml\u4e2d\u914d\u7f6eContextLoaderListener\u76d1\u542c\u5668（\u5bfc\u5165spring-web\u5750\u6807）<\/p>\n<\/li>\n - \n
\u4f7f\u7528WebApplicationContextUtils\u83b7\u5f97\u5e94\u7528\u4e0a\u4e0b\u6587\u5bf9\u8c61ApplicationContext<\/p>\n<\/li>\n 1.3 \u5bfc\u5165Spring\u96c6\u6210web\u7684\u5750\u6807<\/h4>\n<dependency>
\n <groupId>org.springframework<\/groupId>
\n <artifactId>spring-web<\/artifactId>
\n <version>5.3.1<\/version>
\n<\/dependency> <\/p>\n 1.4 \u914d\u7f6eContextLoaderListener\u76d1\u542c\u5668<\/h4>\n<listener>
\n<!–Spring\u7684\u76d1\u542c\u5668–>
\n<listener-class>
\n org.springframework.web.context.ContextLoaderListener
\n<\/listener-class>
\n<\/listener>
\n<!–\u5168\u5c40\u53c2\u6570–>
\n<context-param>
\n <param-name>contextConfigLocation<\/param-name>
\n <param-value>classpath:applicationContext.xml<\/param-value>
\n<\/context-param> <\/p>\n 1.5 \u901a\u8fc7\u5de5\u5177\u83b7\u5f97\u5e94\u7528\u4e0a\u4e0b\u6587\u5bf9\u8c61<\/h4>\nServletContext servletContext = this.getServletContext();
\nWebApplicationContext app = WebApplicationContextUtils.getWebApplicationContext(servletContext);
\nUserService u = app.getBean(UserService.class);
\nu.save(); <\/p>\n 1.6 \u77e5\u8bc6\u8981\u70b9<\/h4>\nspring\u96c6\u6210web\u73af\u5883\u6b65\u9aa4<\/p>\n - \n
\u914d\u7f6eContextLoaderListener\u76d1\u542c\u5668<\/p>\n<\/li>\n - \n
\u4f7f\u7528WebApplicationContextUtils\u83b7\u5f97\u5e94\u7528\u4e0a\u4e0b\u6587<\/p>\n<\/li>\n 2. SpringMVC\u7b80\u4ecb<\/h3>\n2.1 SpringMVC\u6982\u8ff0<\/h4>\nSpringMVC\u662f\u4e00\u79cd\u57fa\u4e8eJava\u7684\u5b9e\u73b0MVC\u8bbe\u8ba1\u6a21\u578b\u7684\u8bf7\u6c42\u9a71\u52a8\u7c7b\u578b\u7684\u8f7b\u91cf\u7ea7web\u6846\u67b6，\u5c5e\u4e8eSpringFrameWork\u7684\u540e\u7eed\u4ea7\u54c1，\u5df2\u7ecf\u878d\u5408\u5728Spring Web Flow\u4e2d\u3002<\/p>\n SpringMVC\u5df2\u7ecf\u6210\u4e3a\u76ee\u524d\u6700\u4e3b\u6d41\u7684MVC\u6846\u67b6\u4e4b\u4e00，\u5e76\u4e14\u968f\u7740Spring3.0\u7684\u53d1\u5e03，\u5168\u9762\u8d85\u8d8aStruts2，\u6210\u4e3a\u6700\u4f18\u79c0\u7684MVC\u6846\u67b6\u3002\u5b83\u901a\u8fc7\u4e00\u5957\u6ce8\u89e3，\u8ba9\u4e00\u4e2a\u7b80\u5355\u7684Java\u7c7b\u6210\u4e3a\u5904\u7406\u8bf7\u6c42\u7684\u63a7\u5236\u5668，\u800c\u65e0\u987b\u5b9e\u73b0\u4efb\u4f55\u63a5\u53e3\u3002\u540c\u65f6\u5b83\u8fd8\u652f\u6301RESTful\u7f16\u7a0b\u98ce\u683c\u7684\u8bf7\u6c42\u3002<\/p>\n<\/p>\n 2.2 SpringMVC\u5feb\u901f\u5165\u95e8<\/p>\n \u9700\u6c42：\u5ba2\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42，\u670d\u52a1\u5668\u7aef\u63a5\u6536\u8bf7\u6c42，\u6267\u884c\u903b\u8f91\u5e76\u8fdb\u884c\u89c6\u56fe\u8df3\u8f6c\u3002<\/p>\n \u5f00\u53d1\u6b65\u9aa4：<\/p>\n - \n
\u5bfc\u5165SpringMVC\u76f8\u5173\u5750\u6807<\/p>\n<\/li>\n - \n
\u914d\u7f6eSpringMVC\u6838\u5fc3\u63a7\u5236\u5668DispathcerServlet<\/p>\n<\/li>\n - \n
\u521b\u5efaController\u7c7b\u548c\u89c6\u56fe\u9875\u9762<\/p>\n<\/li>\n - \n
\u4f7f\u7528\u6ce8\u89e3\u914d\u7f6eController\u7c7b\u4e2d\u4e1a\u52a1\u65b9\u6cd5\u7684\u6620\u5c04\u5730\u5740<\/p>\n<\/li>\n - \n
\u914d\u7f6eSpringMVC\u6838\u5fc3\u6587\u4ef6spring-mvc.xml<\/p>\n<\/li>\n - \n
\u5ba2\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42\u6d4b\u8bd5<\/p>\n<\/li>\n - \n
\u5bfc\u5165Servlet\u548cJSP\u5750\u6807<\/p>\n <dependency>
\n <groupId>javax.servlet<\/groupId>
\n <artifactId>servlet-api<\/artifactId>
\n <version>2.5<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>javax.servlet.jsp<\/groupId>
\n <artifactId>javax.servlet.jsp-api<\/artifactId>
\n <version>2.3.3<\/version>
\n <\/dependency>
\n<dependency>
\n <groupId>org.springframework<\/groupId>
\n <artifactId>spring-webmvc<\/artifactId>
\n <version>5.3.1<\/version>
\n <\/dependency> <\/li>\n - \n
\u5728web.xml\u914d\u7f6eSpringMVC\u7684\u6838\u5fc3\u63a7\u5236\u5668<\/p>\n <servlet>
\n <servlet-name>DisapatcherServlet<\/servlet-name>
\n <servlet-class>
\n org.springframework.web.servlet.DispatcherServlet
\n <\/servlet-class>
\n <init-param>
\n <param-name>contextConfigLocation<\/param-name>
\n <param-value>classpath:spring-mvc.xml<\/param-value>
\n <\/init-param>
\n <load-on-startup>1<\/load-on-startup>
\n<\/servlet>
\n<servlet-mapping>
\n <servlet-name>DispatcherServlet<\/servlet-name>
\n <url-pattern>\/<\/url-pattern>
\n<\/servlet-mapping> <\/p>\n spring-mvc.xml<\/p>\n <!–Controller\u7ec4\u4ef6\u626b\u63cf–>
\n <context:component-scan base-package="com.itheima.controller"\/> <\/li>\n - \n
\u521b\u5efaController\u548c\u4e1a\u52a1\u65b9\u6cd5<\/p>\n @Controller
\npublic class UserController {
\n @RequestMapping("\/quick")
\n public String save(){
\n System.out.println("controller save running…");
\n return "success.jsp";
\n }
\n} <\/p>\n \u5728webapp\u521b\u5efasuccess.jsp，\u5728\u9996\u9875\u540e\u9762\u8f93\u5165\/quick\u5b8c\u6210<\/p>\n<\/li>\n 2.4 \u77e5\u8bc6\u8981\u70b9<\/h4>\nSpringMVC\u7684\u5f00\u53d1\u6b65\u9aa4<\/p>\n - \n
\u5bfc\u5165SpringMVC\u76f8\u5173\u5750\u6807<\/p>\n<\/li>\n - \n
\u914d\u7f6eSpringMVC\u6838\u5fc3\u63a7\u5236\u5668DispathcerServlet<\/p>\n<\/li>\n - \n
\u521b\u5efaController\u7c7b\u548c\u89c6\u56fe\u9875\u9762<\/p>\n<\/li>\n - \n
\u4f7f\u7528\u6ce8\u89e3\u914d\u7f6eController\u7c7b\u4e2d\u4e1a\u52a1\u65b9\u6cd5\u7684\u6620\u5c04\u5730\u5740<\/p>\n<\/li>\n - \n
\u914d\u7f6eSpringMVC\u6838\u5fc3\u6587\u4ef6spring-mvc.xml<\/p>\n<\/li>\n - \n
\u5ba2\u6237\u7aef\u53d1\u8d77\u8bf7\u6c42\u6d4b\u8bd5<\/p>\n<\/li>\n 3.SpringMVC\u7ec4\u4ef6\u89e3\u6790<\/h3>\n3.1 SpringMVC\u7684\u6267\u884c\u8fc7\u7a0b<\/h4>\n<\/p>\n - \n
\u7528\u6237\u53d1\u9001\u8bf7\u6c42\u81f3\u524d\u7aef\u63a7\u5236\u5668DiapatcherServlet<\/p>\n<\/li>\n - \n
DiapatcherServlet\u6536\u5230\u8bf7\u6c42\u8c03\u7528HandlerMapping\u5904\u7406\u5668\u6620\u5c04\u5668<\/p>\n<\/li>\n - \n
\u5904\u7406\u5668\u6620\u5c04\u5668\u627e\u5230\u5177\u4f53\u7684\u5904\u7406\u5668（\u53ef\u4ee5\u6839\u636exml\u914d\u7f6e\u3001\u6ce8\u89e3\u8fdb\u884c\u67e5\u627e），\u751f\u6210\u5904\u7406\u5bf9\u8c61\u53ca\u5904\u7406\u5668\u62e6\u622a\u5668（\u5982\u679c\u6709\u5219\u751f\u6210）\u4e00\u5e76\u8fd4\u56de\u7ed9DispatcherServlet<\/p>\n<\/li>\n - \n
DiapatcherServlet\u8c03\u7528HandlerAdapter\u5904\u7406\u5668\u9002\u914d\u5668<\/p>\n<\/li>\n - \n
HandlerAdapter\u7ecf\u8fc7\u9002\u914d\u8c03\u7528\u5177\u4f53\u7684\u5904\u7406\u5668（Controller，\u4e5f\u53eb\u540e\u7aef\u63a7\u5236\u5668）<\/p>\n<\/li>\n - \n
Controller\u6267\u884c\u5b8c\u6210\u8fd4\u56deModelAndView<\/p>\n<\/li>\n - \n
HandlerAdapter\u5c06controller\u6267\u884c\u7ed3\u679cModelAndView\u8fd4\u56de\u7ed9DispatcherServlet<\/p>\n<\/li>\n - \n
DispatcherServlet\u5c06ModelAndView\u4f20\u7ed9ViewReslover\u89c6\u56fe\u89e3\u6790\u5668\u3002<\/p>\n<\/li>\n - \n
ViewReslover\u89e3\u6790\u540e\u8fd4\u56de\u5177\u4f53View<\/p>\n<\/li>\n - \n
DispatcherServlet\u6839\u636eView\u8fdb\u884c\u6e32\u67d3\u89c6\u56fe(\u5373\u5c06\u6a21\u578b\u6570\u636e\u586b\u5145\u81f3\u89c6\u56fe\u4e2d)\u3002DisapatcherServlet\u54cd\u5e94\u7528\u6237\u3002<\/p>\n<\/li>\n - \n
fdsdsd<\/p>\n<\/li>\n 3.2 SpringMVC\u7ec4\u4ef6\u89e3\u6790<\/h4>\n - \n
\u524d\u7aef\u63a7\u5236\u5668：DispatcherServlet<\/p>\n \u7528\u6237\u8bf7\u6c42\u5230\u8fbe\u524d\u7aef\u63a7\u5236\u5668，\u5b83\u5c31\u76f8\u5f53\u4e8eMVC\u6a21\u5f0f\u4e2d\u7684C，DispatcherServlet\u662f\u6574\u4e2a\u6d41\u7a0b\u63a7\u5236\u7684\u4e2d\u5fc3，\u7531\u5b83\u8c03\u7528\u5176\u4ed6\u7ec4\u4ef6\u5904\u7406\u7528\u6237\u7684\u8bf7\u6c42，DispatcherServlet\u7684\u5b58\u5728\u964d\u4f4e\u4e86\u7ec4\u4ef6\u4e4b\u95f4\u7684\u8026\u5408\u6027\u3002<\/p>\n<\/li>\n - \n
\u5904\u7406\u5668\u6620\u5c04\u5668：HandlerMapping<\/p>\n HandlerMapping\u8d1f\u8d23\u6839\u636e\u7528\u6237\u8bf7\u6c42\u627e\u5230Handler\u5373\u5904\u7406\u5668，SpringMVC\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u6620\u5c04\u5668\u5b9e\u73b0\u4e0d\u540c\u6620\u5c04\u65b9\u5f0f，\u4f8b\u5982\u914d\u7f6e\u6587\u4ef6\u65b9\u5f0f，\u5b9e\u73b0\u63a5\u53e3\u65b9\u5f0f，\u6ce8\u89e3\u65b9\u5f0f\u7b49\u3002<\/p>\n<\/li>\n - \n
\u5904\u7406\u5668\u9002\u914d\u5668：HandlerAdapter<\/p>\n \u901a\u8fc7HandlerAdapter\u5bf9\u5904\u7406\u5668\u8fdb\u884c\u6267\u884c，\u8fd9\u662f\u9002\u914d\u5668\u6a21\u5f0f\u7684\u5e94\u7528，\u901a\u8fc7\u6269\u5c55\u9002\u914d\u5668\u53ef\u4ee5\u5bf9\u66f4\u591a\u7c7b\u578b\u7684\u5904\u7406\u5668\u8fdb\u884c\u6267\u884c\u3002<\/p>\n<\/li>\n - \n
\u5904\u7406\u5668：Handler<\/p>\n \u5b83\u5c31\u662f\u6211\u4eec\u5f00\u53d1\u4e2d\u8981\u7f16\u5199\u7684\u5177\u4f53\u4e1a\u52a1\u63a7\u5236\u5668\u3002\u7531DispatcherServlet\u628a\u7528\u6237\u8bf7\u6c42\u8f6c\u53d1\u5230Handler\u3002\u7531Handler\u5bf9\u5177\u4f53\u7684\u7528\u6237\u8bf7\u6c42\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<\/li>\n - \n
\u89c6\u56fe\u89e3\u6790\u5668：View Resolver<\/p>\n View Resolver\u8d1f\u8d23\u5c06\u5904\u7406\u7ed3\u679c\u751f\u6210View\u89c6\u56fe，View Resolver\u9996\u5148\u6839\u636e\u903b\u8f91\u89c6\u56fe\u540d\u89e3\u6790\u6210\u7269\u7406\u89c6\u56fe\u540d，\u5373\u5177\u4f53\u7684\u9875\u9762\u5730\u5740，\u518d\u751f\u6210View\u89c6\u56fe\u5bf9\u8c61，\u6700\u540e\u5bf9View\u8fdb\u884c\u6e32\u67d3\u5c06\u5904\u7406\u7ed3\u679c\u901a\u8fc7\u9875\u9762\u5c55\u793a\u7ed9\u7528\u6237\u3002<\/p>\n<\/li>\n - \n
\u89c6\u56fe：View<\/p>\n SpringMVC\u6846\u67b6\u63d0\u4f9b\u4e86\u5f88\u591a\u7684View\u89c6\u56fe\u7c7b\u578b\u7684\u652f\u6301，\u5305\u62ec：jstView\u3001freemarkerView\u3001pdfView\u7b49\u3002\u6700\u5e38\u7528\u7684\u89c6\u56fe\u5c31\u662fjsp\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\u9700\u8981\u901a\u8fc7\u9875\u9762\u6807\u7b7e\u6216\u9875\u9762\u6a21\u677f\u6280\u672f\u5c06\u6a21\u578b\u6570\u636e\u901a\u8fc7\u9875\u9762\u5c55\u793a\u7ed9\u7528\u6237，\u9700\u8981\u7531\u7a0b\u5e8f\u5458\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u5f00\u53d1\u5177\u4f53\u9875\u9762<\/p>\n<\/li>\n 3.3 \u6ce8\u89e3\u89e3\u6790<\/h4>\n@RequestMapping<\/p>\n \u4f5c\u7528：\u7528\u4e8e\u5efa\u7acbURL\u548c\u5904\u7406\u8bf7\u6c42\u65b9\u6cd5\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb<\/p>\n \u4f4d\u7f6e：<\/p>\n \n- \n
\u7c7b\u4e0a，\u8bf7\u6c42URL\u7684\u7b2c\u4e00\u7ea7\u8bbf\u95ee\u76ee\u5f55\u3002\u6b64\u5904\u4e0d\u5199\u7684\u8bdd，\u5c31\u76f8\u5f53\u4e8e\u5e94\u7528\u7684\u6839\u76ee\u5f55<\/p>\n<\/li>\n - \n
\u65b9\u6cd5\u4e0a，\u8bf7\u6c42URL\u7684\u7b2c\u4e8c\u7ea7\u8bbf\u95ee\u76ee\u5f55，\u4e0e\u7c7b\u4e0a\u7684\u4f7f\u7528@RequetMap\u6807\u6ce8\u7684\u4e00\u7ea7\u76ee\u5f55\u4e00\u8d77\u7ec4\u6210\u8bbf\u95ee\u865a\u62df\u8def\u5f84<\/p>\n @Controller
\n@RequestMapping("\/user")
\npublic class UserController{
\n \/\/\u8bf7\u6c42\u5730\u5740 Http:\/\/localhost:8080\/user\/quick
\n @RequestMapping("\/quick")
\n public String save(){
\n System.out.println("controller save running…");
\n \/\/\u52a0\/\u5219\u662f\u5728\u5f53\u524d\u5e94\u7528\u627e\u8be5\u6587\u4ef6，\u4e0d\u52a0\u5c31\u662f\u5728user\u76ee\u5f55\u4e0b\u627e\u8be5\u6587\u4ef6
\n return "\/success.jsp";
\n }
\n} <\/li>\n - \n
value：\u7528\u4e8e\u6307\u5b9a\u8bf7\u6c42\u7684URL，\u5b83\u548cpath\u5c5e\u6027\u7684\u4f5c\u7528\u4e00\u6837\u7684（\u5f53\u53ea\u5199value，\u53ef\u4ee5\u7701\u7565value=，\u591a\u4e2a\u5185\u5bb9，\u8981\u5e26\u4e0avalue=\u201c\/quick\u201d）<\/p>\n<\/li>\n - \n
method：\u7528\u4e8e\u6307\u5b9a\u8bf7\u6c42\u7684\u65b9\u5f0f \u4f8b\u5982：method=RequestMethod.GET<\/p>\n<\/li>\n - \n
params：\u7528\u4e8e\u6307\u5b9a\u9650\u5236\u8bf7\u6c42\u53c2\u6570\u7684\u6761\u4ef6\u3002\u4ed6\u6307\u51fa\u7b80\u5355\u7684\u8868\u8fbe\u5f0f\u3002\u8981\u6c42\u8bf7\u6c42\u53c2\u6570\u7684key\u548cvalue\u5fc5\u987b\u548c\u914d\u7f6e\u7684\u4e00\u6a21\u4e00\u6837<\/p>\n \u4f8b\u5982：<\/p>\n \n- \n
params={"accountName"}，\u8868\u793a\u8bf7\u6c42\u53c2\u6570\u5fc5\u987b\u6709accountName<\/p>\n<\/li>\n - \n
params={"money!100"}，\u8868\u793a\u8bf7\u6c42\u53c2\u6570\u4e2d\u7684money\u4e0d\u80fd\u662f100<\/p>\n @Controller
\n@RequestMapping("\/user")
\npublic class UserController{
\n \/\/\u8bf7\u6c42\u5730\u5740 Http:\/\/localhost:8080\/user\/quick?username=xxx \u624d\u6210\u529f
\n @RequestMapping(value="\/quick",method=RequestMethod.GET,params="username")
\n public String save(){
\n System.out.println("controller save running…");
\n \/\/\u52a0\/\u5219\u662f\u5728\u5f53\u524d\u5e94\u7528\u627e\u8be5\u6587\u4ef6，\u4e0d\u52a0\u5c31\u662f\u5728user\u76ee\u5f55\u4e0b\u627e\u8be5\u6587\u4ef6
\n return "\/success.jsp";
\n }
\n} <\/li>\n<\/ul>\n<\/li>\n<\/ul>\n spring-mvc.xml\u6ce8\u89e3\u626b\u63cf\u8be6\u89e3<\/p>\n - \n
mvc\u547d\u540d\u7a7a\u95f4\u5f15\u5165<\/p>\n \u547d\u540d\u7a7a\u95f4：xmlns:context="http:\/\/www.springframework.org\/schema\/context"
\n xmlns:mvc="http:\/\/www.springframework.org\/schema\/mvc"
\n\u7ea6\u675f\u5730\u5740：http:\/\/www.springframework.org\/schema\/context
\n http:\/\/www.springframework.org\/schema\/context\/spring-context.xsd
\n http:\/\/www.springframework.org\/schema\/mvc
\n http:\/\/www.springframework.org\/schema\/mvc\/spring-mvc.xsd\n <\/li>\n - \n
\u7ec4\u4ef6\u626b\u63cf<\/p>\n SpringMVC\u57fa\u4e8espring\u5bb9\u5668，\u6240\u4ee5\u5728\u8fdb\u884cspringmvc\u64cd\u4f5c\u65f6，\u9700\u8981\u5c06Controller\u5b58\u50a8\u5230spring\u5bb9\u5668\u4e2d，\u5982\u679c\u4f7f\u7528@Controller\u6ce8\u89e3\u6807\u6ce8\u7684\u8bdd，\u5c31\u9700\u8981\u4f7f\u7528<context:component-scan base-package=\u201ccom.itheima.controller\u201c\/>\u8fdb\u884c\u7ec4\u4ef6\u626b\u63cf\u3002<\/p>\n \n- \n
\u53ea\u662f\u4f46\u626b\u63cf\u4e00\u4e2a\u5305\u7684\u8bdd\u53ef\u4ee5\u5199<context:component-scan base-package=\u201ccom.itheima.controller\u201c\/><\/p>\n<\/li>\n - \n
\u4f46\u8981\u626b\u63cf\u5168\u90e8\u5305\u4e0b\u7684controller，\u4f1a\u548capplication Context\u7684\u626b\u63cf\u76f8\u649e，\u5219\u4e0b\u9762\u662f\u5728\u90a3\u4e9b\u5305\u4e0b\u626b\u63cf\u5305\u4e0b\u7684\u54ea\u4e9b\u7ec4\u4ef6，exclude\u5c31\u662f\u4e0d\u626b\u63cf\u8be5\u7ec4\u4ef6\u7684\u610f\u601d<\/p>\n <!–Controller\u7ec4\u4ef6\u626b\u63cf–>
\n \u00a0 \u00a0<context:component-scan base-package="com.itheima">
\n \u00a0 \u00a0 \u00a0 \u00a0<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"\/>
\n \u00a0 \u00a0<\/context:component-scan> <\/li>\n<\/ul>\n<\/li>\n 3.4 SpringMVC\u7684XML\u914d\u7f6e\u89e3\u6790<\/h4>\n - \n
\u89c6\u56fe\u89e3\u6790\u5668<\/p>\n SpringMVC\u6709\u9ed8\u8ba4\u7ec4\u4ef6\u914d\u7f6e，\u9ed8\u8ba4\u7ec4\u4ef6\u90fd\u662fDispatcherServlet.properties\u914d\u7f6e\u6587\u4ef6（\u5728spring=mvc\u5305\u4e0b\u7684view）\u4e2d\u914d\u7f6e\u7684，\u8be5\u914d\u7f6e\u6587\u4ef6\u5730\u5740org\/springframework\/web\/servlet\/DispatcherServlet.properties，\u8be5\u6587\u4ef6\u4e2d\u914d\u7f6e\u4e86\u9ed8\u8ba4\u7684\u89c6\u56fe\u89e3\u6790\u5668，\u5982\u4e0b：<\/p>\n org.springframework.web.servlet.ViewResolver=org.springframework.web.servlet.view.InternalResourceViewResolver <\/p>\n \u7ffb\u770b\u8be5\u89e3\u6790\u5668\u6e90\u7801，\u53ef\u4ee5\u770b\u5230\u8be5\u89e3\u6790\u5668\u7684\u9ed8\u8ba4\u8bbe\u7f6e，\u5982\u4e0b：<\/p>\n REDIRECT_URL_PREFIX = "redirect:" –\u91cd\u5b9a\u5411\u524d\u7f00<\/p>\n FORWARD_URL_PREFIX = "forward:" –\u8f6c\u53d1\u524d\u7f00（\u9ed8\u8ba4\u503c）<\/p>\n \u4f8b\u5982：<\/p>\n @Controller
\n@RequestMapping("\/user")
\npublic class UserController{
\n @RequestMapping("\/quick")
\n public String save(){
\n System.out.println("controller save running…");
\n \/\/\u52a0\/\u5219\u662f\u5728\u5f53\u524d\u5e94\u7528\u627e\u8be5\u6587\u4ef6，\u4e0d\u52a0\u5c31\u662f\u5728user\u76ee\u5f55\u4e0b\u627e\u8be5\u6587\u4ef6
\n \/\/\u5f53\u8fd4\u56de\u503c\u5565\u90fd\u6ca1\u5199，\u9ed8\u8ba4\u6709forward: \u4e14\u5730\u5740\u8bbf\u95ee\u65f6\u5730\u5740\u4e0d\u53d8
\n \/\/\u5730\u5740：Http:\/\/localhost:8080\/user\/quick
\n \/\/return "(forward:)\/success.jsp";<\/p>\n \/\/\u5f53\u5199\u4e86redirect:\u5728\u524d\u9762，\u5219\u662f\u91cd\u5b9a\u5411
\n \/\/\u8bbf\u95ee\u5730\u5740\u5219\u4f1a\u53d8\u6210http:\/\/localhost:8080\/success.jsp
\n return "redirect:\/success.jsp";
\n }
\n} <\/p>\n prefix = ""; –\u89c6\u56fe\u540d\u79f0\u524d\u7f00<\/p>\n suffix = ""; –\u89c6\u56fe\u540d\u79f0\u540e\u7f00<\/p>\n <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
\n <property name="prefix" value="\/jsp\/"\/>
\n <property name="suffix" value=".jsp"\/>
\n<\/bean> <\/p>\n \u5219Controller\u8fd4\u56de\u503c\u53ef\u4ee5\u5c11\u5199\u4e00\u70b9\u4e1c\u897f<\/p>\n @Controller
\n@RequestMapping("\/user")
\npublic class UserController{
\n @RequestMapping("\/quick")
\n public String save(){
\n System.out.println("controller save running…");
\n return "success";
\n \/\/\u4f1a\u8bbf\u95eeweb\u4e0bjsp\u76ee\u5f55\u4e0b\u7684success.jsp\u6587\u4ef6
\n }
\n} <\/li>\n 3.5 \u77e5\u8bc6\u8981\u70b9<\/h4>\n\n- \n
\u524d\u7aef\u63a7\u5236\u5668：DispatcherServlet<\/p>\n<\/li>\n - \n
\u5904\u7406\u5668\u6620\u5c04\u5668：HandlerMapping<\/p>\n<\/li>\n - \n
\u5904\u7406\u5668：Handler<\/p>\n<\/li>\n - \n
\u89c6\u56fe\u89e3\u6790\u5668：View Resolver<\/p>\n<\/li>\n - \n
\u89c6\u56fe：View<\/p>\n<\/li>\n<\/ul>\n SpringMVC\u7684\u6ce8\u89e3\u548c\u914d\u7f6e<\/p>\n \n- \n
\u8bf7\u6c42\u6620\u5c04\u6ce8\u89e3：@RequestMapping<\/p>\n<\/li>\n - \n
\u89c6\u56fe\u89e3\u6790\u5668\u914d\u7f6e：<\/p>\n REDIRECT_URL_PREFIX = "redirect:"<\/p>\n FORWARD_URL_PREFIX = "forward:"<\/p>\n prefix = "";<\/p>\n suffix = "";<\/p>\n<\/li>\n<\/ul>\n 02-SpringMVC\u7684\u8bf7\u6c42\u548c\u54cd\u5e94<\/h2>\n1. SpringMVC\u7684\u6570\u636e\u54cd\u5e94<\/h3>\n1.1 SpringMVC\u7684\u6570\u636e\u54cd\u5e94\u65b9\u5f0f<\/h4>\n - \n
\u9875\u9762\u8df3\u8f6c<\/p>\n \n- \n
\u76f4\u63a5\u8fd4\u56de\u5b57\u7b26\u4e32<\/p>\n<\/li>\n - \n
\u901a\u8fc7ModelAndView\u5bf9\u8c61\u8fd4\u56de<\/p>\n<\/li>\n<\/ul>\n<\/li>\n - \n
\u56de\u5199\u6570\u636e<\/p>\n \n- \n
\u76f4\u63a5\u8fd4\u56de\u5b57\u7b26\u4e32<\/p>\n<\/li>\n - \n
\u8fd4\u56de\u5bf9\u8c61\u6216\u96c6\u5408<\/p>\n<\/li>\n<\/ul>\n<\/li>\n 1.2 \u9875\u9762\u8df3\u8f6c<\/h4>\n - \n
\u8fd4\u56de\u5b57\u7b26\u4e32\u5f62\u5f0f<\/p>\n \u76f4\u63a5\u8fd4\u56de\u5b57\u7b26\u4e32：\u6b64\u79cd\u65b9\u5f0f\u4f1a\u5c06\u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u4e0e\u89c6\u56fe\u89e3\u6790\u5668\u7684\u524d\u540e\u7f00\u62fc\u63a5\u540e\u8df3\u8f6c<\/p>\n @RequestMapping("\/quick")
\npublic String quickMethod(){
\n return "index";
\n} <property name="prefix" value="\/WEB-INF\/views\/" \/>
\n<property name="suffix" value=".jsp"\/> <\/p>\n \u8f6c\u53d1\u8d44\u6e90\u5730\u5740：\/WEB-INF\/views.jsp<\/p>\n \u8fd4\u56de\u5e26\u6709\u524d\u7f00\u7684\u5b57\u7b26\u4e32：<\/p>\n \u8f6c\u53d1：forward:\/WEB-INF\/views\/index.jsp<\/p>\n \u91cd\u5b9a\u5411：redirect:\/index.jsp<\/p>\n<\/li>\n - \n
\u8fd4\u56deModelAndView\u5bf9\u8c61<\/p>\n View\u662f\u89c6\u56fe\u5bf9\u8c61 \u4e5f\u5c31\u662f\u8fd4\u56de\u89c6\u56fe\u7f51\u9875\u8df3\u8f6c\u6548\u679c<\/p>\n Model\u662f\u6a21\u578b\u5bf9\u8c61 \u4e5f\u5c31\u662f\u5728\u7279\u5b9a\u7f51\u9875\u91cc\u9762\u8d4b\u503c，\u4ee5id\u6765\u533a\u5206<\/p>\n @RequestMapping("\/quick2")
\npublic ModelAndView save2(){
\n \/*
\n * Model：\u6a21\u578b \u4f5c\u7528\u5c01\u88c5\u6570\u636e
\n * View：\u89c6\u56fe \u4f5c\u7528\u5c55\u793a\u6570\u636e
\n * *\/
\n ModelAndView modelAndView = new ModelAndView();
\n \/\/\u8bbe\u7f6e\u6a21\u578b\u5bf9\u8c61
\n modelAndView.addObject("username","cxy");
\n \/\/\u8bbe\u7f6e\u89c6\u56fe\u540d\u79f0
\n modelAndView.setViewName("index");
\n return modelAndView;
\n} <html>
\n<head>
\n <title>helloWorld<\/title>
\n<\/head>
\n<body>
\n<h1>helloWorld!${username}<\/h1>
\n<\/body>
\n<\/html> <\/p>\n \u8f93\u5165\u7f51\u9875\u6620\u5c04\u540d，\u51fa\u73b0helloworld！cxy<\/p>\n \u4e5f\u6709\u4e0d\u540c\u7684\u4e66\u5199ModelAndView\u65b9\u6cd5<\/p>\n @RequestMapping("\/quick3")
\npublic ModelAndView save3(ModelAndView modelAndView){
\n \/*
\n * Model：\u6a21\u578b \u4f5c\u7528\u5c01\u88c5\u6570\u636e
\n * View：\u89c6\u56fe \u4f5c\u7528\u5c55\u793a\u6570\u636e
\n spring\u8bc6\u522b\u81ea\u5df1\u6ce8\u5165\u5bf9\u8c61
\n * *\/
\n \/\/\u8bbe\u7f6e\u6a21\u578b\u5bf9\u8c61
\n modelAndView.addObject("username","cxy3");
\n \/\/\u8bbe\u7f6e\u89c6\u56fe\u540d\u79f0
\n modelAndView.setViewName("index");
\n return modelAndView;
\n} @RequestMapping("\/quick4")
\npublic String save4(Model model){
\n \/*
\n \u628aModelAndView\u62c6\u5f00\u4f7f\u7528
\n * *\/
\n model.addAttribute("username","cxy4");
\n return "index";
\n} <\/li>\n - \n
\u5411request\u57df\u5b58\u50a8\u6570\u636e<\/p>\n \u5728\u8fdb\u884c\u8f6c\u53d1\u65f6，javaweb\u90fd\u662f\u7528request\u57df\u4e2d\u5b58\u50a8\u6570\u636e\u5728jsp\u663e\u793a，\u90a3\u4e48\u4f7f\u7528Controoller\u5728，\u6709\u5b58\u50a8\u6570\u636e\u5462？（\u4e00\u822c\u4e0d\u4f7f\u7528，\u56e0\u4e3aspring\u6846\u67b6\u5df2\u7ecf\u7ed9\u4f60\u4e00\u4e2aModelAndView\u5bf9\u8c61\u4e86，\u6ca1\u6709\u5fc5\u8981）<\/p>\n @RequestMapping("\/quick")
\npublic String quickMethod(HttpServletRequest request){
\n request.setAttribute("name","zhangsan");
\n return "index";
\n} <\/li>\n 1.3 \u56de\u5199\u6570\u636e<\/h4>\n - \n
\u76f4\u63a5\u8fd4\u56de\u5b57\u7b26\u4e32<\/p>\n Web\u57fa\u7840\u9636\u6bb5，\u5ba2\u6237\u7aef\u8bbf\u95ee\u670d\u52a1\u5668\u7aef，\u5982\u679c\u60f3\u76f4\u63a5\u56de\u5199\u5b57\u7b26\u4e32\u4f5c\u4e3a\u54cd\u5e94\u4f53\u8fd4\u56de\u7684\u8bdd，\u53ea\u9700\u8981\u4f7f\u7528response.getWriter().print("Hello world")\u5373\u53ef，\u90a3\u4e48\u5728Controller\u4e2d\u60f3\u76f4\u63a5\u56de\u5199\u5b57\u7b26\u4e32\u8be5\u600e\u6837\u5462？<\/p>\n - \n
\u901a\u8fc7SpringMVC\u6846\u67b6\u6ce8\u5165\u7684response\u5bf9\u8c61，\u4f7f\u7528response.getWriter().print("Hello world")\u56de\u5199\u6570\u636e，\u6b64\u65f6\u4e0d\u9700\u8981\u89c6\u56fe\u8df3\u8f6c，\u4e1a\u52a1\u65b9\u6cd5\u8fd4\u56de\u503c\u4e3avoid<\/p>\n @RequestMapping("\/quick6")
\n public void save6(HttpServletResponse response) throws IOException {
\n response.getWriter().print("itcast");
\n } <\/p>\n<\/li>\n - \n
\u5c06\u9700\u8981\u56de\u5199\u5b57\u7b26\u4e32\u76f4\u63a5\u8fd4\u56de，\u4f46\u6b64\u65f6\u9700\u8981\u901a\u8fc7@ResponseBody\u6ce8\u89e3\u544a\u77e5SpringMVC\u6846\u67b6，\u8fd9\u662f\u4f7f\u7528response\u76f4\u63a5\u56de\u5199\u6570\u636e，\u800c\u4e0d\u662f\u8df3\u8f6c\u9875\u9762，\u65b9\u6cd5\u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u4e0d\u662f\u8df3\u8f6c\u662f\u76f4\u63a5\u5728http\u54cd\u5e94\u4f53\u4e2d\u8fd4\u56de\u3002<\/p>\n @RequestMapping("\/quick7")
\n @ResponseBody \/\/\u544a\u77e5SpringMVC\u6846\u67b6\u4e0d\u662f\u8fdb\u884c\u9875\u9762\u8df3\u8f6c，\u662f\u76f4\u63a5\u8fdb\u884c\u6570\u636e\u54cd\u5e94
\n public String save7(){
\n return "hello itheima";
\n } <\/li>\n - \n
\u5728\u5f02\u6b65\u9879\u76ee\u4e2d，\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7aef\u5f80\u5f80\u8981\u8fdb\u884cjson\u683c\u5f0f\u5b57\u7b26\u4e32\u4ea4\u4e92，\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u624b\u52a8\u62fc\u63a5json\u5b57\u7b26\u4e32\u8fd4\u56de\u3002<\/p>\n @RequestMapping("\/quick8")
\n @ResponseBody
\n public String save8(){
\n return "{\\\\"name\\\\":\\\\"cxy\\\\",\\\\"age\\\\":18}";
\n } <\/p>\n \u4e0a\u8ff0\u65b9\u5f0f\u624b\u52a8\u62fc\u63a5json\u683c\u5f0f\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u5f88\u9ebb\u70e6，\u5f00\u53d1\u4e2d\u5f80\u5f80\u8981\u5c06\u590d\u6742\u7684Java\u5bf9\u8c61\u88c5\u6362\u6210json\u683c\u5f0f\u7684\u5b57\u7b26\u4e32，\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528web\u9636\u6bb5\u5b66\u4e60\u8fc7\u7684json\u8f6c\u6362\u5de5\u5177jackson\u8fdb\u884c\u8f6c\u6362，\u5bfc\u5165jackson\u5750\u6807\u3002<\/p>\n <groupId>com.fasterxml.jackson.core<\/groupId>
\n <artifactId>jackson-core<\/artifactId>
\n <version>2.12.1<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>com.fasterxml.jackson.core<\/groupId>
\n <artifactId>jackson-databind<\/artifactId>
\n <version>2.12.1<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>com.fasterxml.jackson.core<\/groupId>
\n <artifactId>jackson-annotations<\/artifactId>
\n <version>2.12.1<\/version>
\n <\/dependency> <\/p>\n \u901a\u8fc7jackson\u8f6c\u6362json\u683c\u5f0f\u5b57\u7b26\u4e32，\u56de\u5199\u5b57\u7b26\u4e32<\/p>\n @RequestMapping("\/quick9")
\n @ResponseBody
\n public String save9() throws JsonProcessingException {
\n User user = new User();
\n user.setName("lisi");
\n user.setAge(39);
\n \/\/\u4f7f\u7528json\u7684\u8f6c\u6362\u5de5\u5177\u5c06\u5bf9\u8c61\u8f6c\u6362\u6210json\u683c\u5f0f\u5b57\u7b26\u4e32\u5728\u8fd4\u56de
\n ObjectMapper objectMapper=new ObjectMapper();
\n String s = objectMapper.writeValueAsString(user);
\n return s;
\n } <\/li>\n<\/li>\n - \n
\u8fd4\u56de\u5bf9\u8c61\u6216\u96c6\u5408<\/p>\n \u901a\u8fc7SpringMVC\u5e2e\u52a9\u6211\u4eec\u5bf9\u5bf9\u8c61\u6216\u96c6\u5408\u8fdb\u884cjson\u5b57\u7b26\u4e32\u7684\u8f6c\u6362\u5e76\u56de\u5199，\u4e3a\u5904\u7406\u5668\u9002\u914d\u5668\u6d88\u606f\u8f6c\u6362\u53c2\u6570，\u6307\u5b9a\u4f7f\u7528Jackson\u8fdb\u884c\u5bf9\u8c61\u6216\u96c6\u5408\u7684\u8f6c\u6362，\u56e0\u6b64\u9700\u8981\u5728spring-mvc.xml\u8fdb\u884c\u5982\u4e0b\u914d\u7f6e：<\/p>\n <!– \u914d\u7f6e\u5904\u7406\u5668\u6620\u5c04\u5668–>
\n <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
\n <property name="messageConverters">
\n <list>
\n <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"\/>
\n <\/list>
\n <\/property>
\n <\/bean> @RequestMapping("\/quick10")
\n@ResponseBody
\n\/\/\u671f\u671bSpringMVC\u81ea\u52a8\u5c06user\u8f6c\u6362\u6210json\u683c\u5f0f\u7684\u5b57\u7b26\u4e32
\npublic User save10() throws JsonProcessingException {
\n User user = new User();
\n user.setName("lisi");
\n user.setAge(39);
\n return user;
\n} <\/p>\n \u5728\u65b9\u6cd5\u4e0a\u6dfb\u52a0@ResponseBody\u5c31\u53ef\u4ee5\u8fd4\u56dejson\u683c\u5f0f\u7684\u5b57\u7b26\u4e32，\u4f46\u662f\u8fd9\u6837\u914d\u7f6e\u6bd4\u8f83\u9ebb\u70e6，\u914d\u7f6e\u7684\u4ee3\u7801\u6bd4\u8f83\u591a，\u56e0\u6b64，\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7684\u6ce8\u89e3\u9a71\u52a8\u4ee3\u66ff\u4e0a\u8ff0\u914d\u7f6e\u3002<\/p>\n <!– mvc\u6ce8\u89e3\u9a71\u52a8–>
\n <mvc:annotation-driven\/> <\/p>\n \u5728SpringMVC\u7684\u5404\u4e2a\u7ec4\u4ef6\u4e2d，\u5904\u7406\u5668\u6620\u5c04\u5668\u3001\u5904\u7406\u5668\u9002\u914d\u5668\u3001\u89c6\u56fe\u89e3\u6790\u5668\u79f0\u4e3aSpringMVC\u7684\u4e09\u5927\u7ec4\u4ef6\u3002\u4f7f\u7528<mvc:annotation-driven >\u81ea\u52a8\u52a0\u8f7dRequestMapping（\u5904\u7406\u6620\u5c04\u5668）\u548cRequestMappingHandlerAdapter（\u5904\u7406\u9002\u914d\u5668），\u53ef\u7528\u5728Spring-xml.xml\u914d\u7f6e\u6587\u4ef6\u4e2d\u4f7f\u7528<mvc:annotation-driven\/ >\u66ff\u4ee3\u6ce8\u89e3\u5904\u7406\u5668\u548c\u9002\u914d\u5668\u7684\u914d\u7f6e\u3002<\/p>\n \u540c\u65f6\u4f7f\u7528<mvc:annotation-driven\/ >\u9ed8\u8ba4\u5e95\u5c42\u5c31\u4f1a\u96c6\u6210jackson\u8fdb\u884c\u5bf9\u8c61\u6216\u96c6\u5408\u7684json\u683c\u5f0f\u5b57\u7b26\u4e32\u7684\u8f6c\u6362\u3002<\/p>\n<\/li>\n 1.4 \u77e5\u8bc6\u8981\u70b9<\/h4>\n - \n
\u9875\u9762\u8df3\u8f6c<\/p>\n \n- \n
\u76f4\u63a5\u8fd4\u56de\u5b57\u7b26（\u89c6\u56fe\u8df3\u8f6c \u662f\u91cd\u5b9a\u5411\u8fd8\u662f\u8f6c\u53d1）<\/p>\n<\/li>\n - \n
\u901a\u8fc7ModelAndView\u5bf9\u8c61\u8fd4\u56de<\/p>\n<\/li>\n<\/ul>\n<\/li>\n - \n
\u56de\u5199\u6570\u636e<\/p>\n \n- \n
\u76f4\u63a5\u8fd4\u56de\u5b57\u7b26\u4e32<\/p>\n<\/li>\n - \n
\u8fd4\u56de\u5bf9\u8c61\u6216\u96c6\u5408<\/p>\n<\/li>\n<\/ul>\n<\/li>\n 2. springMVC\u83b7\u5f97\u8bf7\u6c42\u6570\u636e<\/h3>\n2.1 \u83b7\u5f97\u8bf7\u6c42\u53c2\u6570<\/h4>\n\u5ba2\u6237\u7aef\u8bf7\u6c42\u53c2\u6570\u7684\u683c\u5f0f\u662f：name=value&name=value……<\/p>\n \u670d\u52a1\u5668\u7aef\u8981\u83b7\u5f97\u8bf7\u6c42\u7684\u53c2\u6570，\u6709\u65f6\u8fd8\u9700\u8981\u8fdb\u884c\u6570\u636e\u7684\u5c01\u88c5，SpringMVC\u53ef\u4ee5\u63a5\u6536\u5982\u4e0b\u7c7b\u578b\u7684\u53c2\u6570：<\/p>\n \n- \n
\u57fa\u672c\u7c7b\u578b\u53c2\u6570<\/p>\n<\/li>\n - \n
POJO\u7c7b\u578b\u53c2\u6570<\/p>\n<\/li>\n - \n
\u6570\u7ec4\u7c7b\u578b\u53c2\u6570<\/p>\n<\/li>\n - \n
\u96c6\u5408\u7c7b\u578b\u53c2\u6570<\/p>\n<\/li>\n<\/ul>\n 2.2 \u83b7\u5f97\u57fa\u672c\u7c7b\u578b\u53c2\u6570<\/h4>\nController\u4e2d\u7684\u4e1a\u52a1\u65b9\u6cd5\u7684\u53c2\u6570\u540d\u79f0\u8981\u4e0e\u8bf7\u6c42\u53c2\u6570\u7684name\u4e00\u81f4，\u53c2\u6570\u503c\u4f1a\u81ea\u52a8\u6620\u5c04\u5339\u914d\u3002<\/p>\n http:\/\/localhost:8080\/quick11?username=zhangsan&age=12
\n @RequestMapping("\/quick11")
\n @ResponseBody
\n \/\/\u671f\u671bSpringMVC\u81ea\u52a8\u5c06user\u8f6c\u6362\u6210json\u683c\u5f0f\u7684\u5b57\u7b26\u4e32
\n public void save11(String username,int age) throws JsonProcessingException {
\n System.out.println(username);
\n System.out.println(age);
\n } <\/p>\n 2.3 \u83b7\u5f97POJO\u7c7b\u578b\u53c2\u6570（\u5b9e\u4f53）<\/h4>\nController\u4e2d\u7684\u4e1a\u52a1\u65b9\u6cd5\u7684POJO\u53c2\u6570\u7684\u5c5e\u6027\u540d\u4e0e\u8bf7\u6c42\u53c2\u6570\u7684name\u4e00\u81f4，\u53c2\u6570\u503c\u4f1a\u81ea\u52a8\u6620\u5c04\u5339\u914d\u3002<\/p>\n http:\/\/localhost:8080\/itheima_springmvc1\/quick9?username=zhangsan&age=12
\n@RequestMapping("\/quick12")
\n@ResponseBody
\n\/\/\u671f\u671bSpringMVC\u81ea\u52a8\u5c06user\u8f6c\u6362\u6210json\u683c\u5f0f\u7684\u5b57\u7b26\u4e32
\npublic void save12(User user) throws JsonProcessingException {
\n System.out.println(user);
\n} <\/p>\n \u5219\u4f1a\u5728\u63a7\u5236\u53f0\u6253\u5370\u51fa\u6765<\/p>\n 2.4 \u83b7\u5f97\u6570\u7ec4\u7c7b\u578b\u53c2\u6570<\/h4>\nController\u4e2d\u7684\u4e1a\u52a1\u65b9\u6cd5\u6570\u7ec4\u540d\u79f0\u4e0e\u8bf7\u6c42\u53c2\u6570\u7684name\u4e00\u81f4，\u53c2\u6570\u503c\u4f1a\u81ea\u52a8\u6620\u5c04\u5339\u914d\u3002<\/p>\n http:\/\/localhost:8080\/quick13?strs=aaa&strs=bbb<\/p>\n @RequestMapping("\/quick13")
\n@ResponseBody
\n\/\/\u671f\u671bSpringMVC\u81ea\u52a8\u5c06user\u8f6c\u6362\u6210json\u683c\u5f0f\u7684\u5b57\u7b26\u4e32
\npublic void save13(String[]strs) throws JsonProcessingException {
\n System.out.println(Arrays.asList(strs));
\n} <\/p>\n 2.5 \u83b7\u5f97\u96c6\u5408\u7c7b\u578b\u53c2\u6570<\/h4>\n\u83b7\u5f97\u96c6\u5408\u53c2\u6570\u65f6，\u8981\u5c06\u96c6\u5408\u53c2\u6570\u5305\u88c5\u5230\u4e00\u4e2aPOJO\u624d\u53ef\u4ee5（\u5c31\u662f\u5c06\u96c6\u5408\u7c7b\u578b\u53c2\u6570\u5f04\u6210\u83b7\u5f97pojo\u53c2\u6570，\u5c06\u96c6\u5408\u5c01\u88c5\u8d77\u6765，\u5728\u4f7f\u7528\u65f6\u8981\u5c01\u88c5\u96c6\u5408name\u548c\u8bf7\u6c42\u53c2\u6570\u7684name\u4e00\u81f4，\u7136\u540e\u88ab\u96c6\u5408\u7684\u5bf9\u8c61\u7684\u53c2\u6570\u540d\u79f0\u5728\u5c0f\u6570\u70b9\u540e\u4e00\u81f4）<\/p>\n <form action="${pageContext.request.contextPath}\/quick14" method="post">
\n<%– \u8868\u660e\u662f\u7b2c\u51e0\u4e2auser\u5bf9\u8c61\u7684username age–%>
\n <input type="text" name="userList[0].name"><br\/>
\n <input type="text" name="userList[0].age"><br\/>
\n <input type="text" name="userList[1].name"><br\/>
\n <input type="text" name="userList[1].age"><br\/>
\n <input type="submit" value="\u63d0\u4ea4">
\n<\/form>
\npublic class VO {
\n private List<User> userList;<\/p>\n @Override
\n public String toString() {
\n return "VO{" +
\n "userList=" + userList +
\n '}';
\n }<\/p>\n public List<User> getUserList() {
\n return userList;
\n }<\/p>\n public void setUserList(List<User> userList) {
\n this.userList = userList;
\n }
\n}
\n@RequestMapping("\/quick14")
\n@ResponseBody
\n\/\/\u671f\u671bSpringMVC\u81ea\u52a8\u5c06user\u8f6c\u6362\u6210json\u683c\u5f0f\u7684\u5b57\u7b26\u4e32
\npublic void save14(VO vo) throws JsonProcessingException {
\n System.out.println(vo);
\n} <\/p>\n \u5f53\u4f7f\u7528ajax\u63d0\u4ea4\u65f6，\u53ef\u4ee5\u6307\u5b9acontentType\u4e3ajson\u5f62\u5f0f，\u90a3\u4e48\u5728\u65b9\u6cd5\u53c2\u6570\u4f4d\u7f6e\u4f7f\u7528@RequestBody\u53ef\u4ee5\u76f4\u63a5\u63a5\u6536\u96c6\u5408\u6570\u636e\u800c\u65e0\u9700\u4f7f\u7528POJO\u8fdb\u884c\u5305\u88c5\u3002<\/p>\n <head>
\n <title>Title<\/title>
\n <script src="${pageContext.request.contextPath}\/js\/jquery-3.3.1.js"><\/script>
\n <script>
\n var userList=new Array();
\n userList.push({name:"zhangsan",age:18});
\n userList.push({name:"lisi",age:20});<\/p>\n $.ajax({
\n type:"POST",
\n url:"${pageContext.request.contextPath}\/quick15",
\n data:JSON.stringify(userList),
\n contentType:"application\/json;charset=utf-8"
\n });
\n <\/script>
\n<\/head>
\n@RequestMapping("\/quick15")
\n@ResponseBody
\n\/\/\u671f\u671bSpringMVC\u81ea\u52a8\u5c06user\u8f6c\u6362\u6210json\u683c\u5f0f\u7684\u5b57\u7b26\u4e32
\npublic void save15(@RequestBody List<User> userList) throws JsonProcessingException {
\n System.out.println(userList);
\n}
\n<!– \u5f00\u653e\u8d44\u6e90\u7684\u8bbf\u95ee–>
\n <mvc:resources mapping="\/js\/**" location="\/js\/"\/> <\/p>\n \u6ce8\u610f：\u901a\u8fc7\u8c37\u6b4c\u5f00\u53d1\u8005\u5de5\u5177\u6293\u5305\u53d1\u73b0，\u6ca1\u6709\u52a0\u8f7d\u5230jquery\u6587\u4ef6，\u539f\u56e0\u662fSPringMVC\u7684\u524d\u7aef\u63a7\u5236\u5668DispatcherServlet\u7684url-pattern\u914d\u7f6e\u7684\u662f\/，\u4ee3\u8868\u5bf9\u6240\u6709\u7684\u8d44\u6e90\u90fd\u8fdb\u884c\u8fc7\u6ee4\u64cd\u4f5c，\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u6307\u5b9a\u653e\u884c\u9759\u6001\u8d44\u6e90：<\/p>\n \n- \n
\u5728spring-mvc.xml\u914d\u7f6e\u6587\u4ef6\u4e2d\u6307\u5b9a\u653e\u884c\u7684\u8d44\u6e90<\/p>\n \u524d\u9762\u662f\u6620\u5c04\u8d44\u6e90\u8def\u5f84，\u540e\u9762\u662f\u8d44\u6e90\u8def\u5f84<\/p>\n <mvc:resources mapping="\/js\/**" location="\/js\/"\/><\/p>\n <mvc:resources mapping="\/img\/**" location="\/img\/"\/><\/p>\n<\/li>\n - \n
\u4f7f\u7528<mvc:default-servlet-handler\/ >\u6807\u7b7e（\u4e0d\u9700\u8981\u5199\u591a\u4e2a\u9759\u6001\u8d44\u6e90，\u4e00\u884c\u4ee3\u7801\u641e\u5b9a）<\/p>\n<\/li>\n<\/ul>\n 2.6 \u8bf7\u6c42\u6570\u636e\u4e71\u7801\u95ee\u9898<\/h4>\n\u5f53post\u8bf7\u6c42\u65f6，\u6570\u636e\u4f1a\u51fa\u73b0\u4e71\u7801，\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u8fc7\u6ee4\u5668\u6765\u8fdb\u884c\u7f16\u7801\u7684\u8fc7\u6ee4\u3002<\/p>\n <!– \u914d\u7f6e\u5168\u5c40\u8fc7\u6ee4\u7684filter–>
\n <filter>
\n <filter-name>CharacterEncodingFilter<\/filter-name>
\n <filter-class>org.springframework.web.filter.CharacterEncodingFilter<\/filter-class>
\n <init-param>
\n <param-name>encoding<\/param-name>
\n <param-value>UTF-8<\/param-value>
\n <\/init-param>
\n <\/filter>
\n <filter-mapping>
\n <filter-name>CharacterEncodingFilter<\/filter-name>
\n <url-pattern>\/*<\/url-pattern>
\n <\/filter-mapping> <\/p>\n 2.7 \u53c2\u6570\u7ed1\u5b9a\u6ce8\u89e3@requestParam<\/h4>\n\u5f53\u8bf7\u6c42\u7684\u53c2\u6570\u540d\u79f0\u4e0eController\u7684\u4e1a\u52a1\u65b9\u6cd5\u53c2\u6570\u540d\u79f0\u4e0d\u4e00\u81f4\u65f6，\u5c31\u9700\u8981\u901a\u8fc7@ErquestParam\u6ce8\u89e3\u663e\u793a\u7684\u7ed1\u5b9a\u3002<\/p>\n Http:\/\/localhost:8080\/quick14?name=zhangsan
\n<form action="${pageContext.request.contextPath}\/quick14" method="post">
\n <input type="text" name="name"><br>
\n <input type="submit" name="\u63d0\u4ea4"><br>
\n<\/form>
\n@RequestMapping("\/quick14")
\n@ResponseBody
\npublic void quickMethod14(@RequestParam("name") String username) throws IOException{
\n sout("username");
\n} <\/p>\n \u6ce8\u89e3@RequestParam\u8fd8\u6709\u5982\u4e0b\u53c2\u6570\u53ef\u4ee5\u4f7f\u7528：<\/p>\n \n- \n
value：\u4e0e\u8bf7\u6c42\u53c2\u6570\u540d\u79f0<\/p>\n<\/li>\n - \n
required：\u6b64\u5728\u6307\u5b9a\u7684\u8bf7\u6c42\u53c2\u6570\u662f\u5426\u5fc5\u987b\u5305\u62ec，\u9ed8\u8ba4\u662ftrue，\u63d0\u4ea4\u65f6\u5982\u679c\u6ca1\u6709\u6b64\u53c2\u6570\u5c31\u4f1a\u62a5\u9519<\/p>\n<\/li>\n - \n
defaultValue：\u5f53\u6ca1\u6709\u6307\u5b9a\u8bf7\u6c42\u53c2\u6570\u65f6，\u5219\u4f7f\u7528\u6307\u5b9a\u7684\u9ed8\u8ba4\u503c\u8d4b\u503c<\/p>\n @RequestMapping("\/quick14")
\n@ResponseBody
\npublic void quickMethod14(@RequestParam(value="name",required=false,defaultValue="itcast") String username) throws IOException{
\n sout("username");
\n} Http:\/\/localhost:8080\/quick14 \u4e0d\u62a5\u9519 \u6253\u5370itcast Http:\/\/localhost:8080\/quick14?name \u4e0d\u62a5\u9519 \u6253\u5370itcast Http:\/\/localhost:8080\/quick14?name=lisi \u6253\u5370lisi <\/li>\n<\/ul>\n 2.8 \u83b7\u5f97Restful\u98ce\u683c\u7684\u53c2\u6570<\/h4>\nRestful\u662f\u4e00\u79cd\u8f6f\u4ef6\u67b6\u6784\u3001\u8bbe\u8ba1\u98ce\u683c，\u800c\u4e0d\u662f\u6807\u51c6，\u53ea\u662f\u63d0\u4f9b\u4e86\u4e00\u7ec4\u8bbe\u8ba1\u539f\u5219\u548c\u7ea6\u675f\u6761\u4ef6\u3002\u4e3b\u8981\u7528\u4e8e\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4ea4\u4e92\u7c7b\u5f97\u8f6f\u4ef6，\u57fa\u4e8e\u8fd9\u4e2a\u98ce\u683c\u8bbe\u8ba1\u5f97\u8f6f\u4ef6\u53ef\u4ee5\u66f4\u7b80\u6d01，\u66f4\u6709\u5c42\u6b21，\u66f4\u6613\u4e8e\u5b9e\u73b0\u7f13\u5b58\u673a\u5236\u7b49\u3002<\/p>\n Restful\u98ce\u683c\u7684\u8bf7\u6c42\u662f\u4f7f\u7528"url+\u8bf7\u6c42\u65b9\u5f0f"\u8868\u793a\u4e00\u6b21\u8bf7\u6c42\u76ee\u7684，HTTP\u534f\u8bae\u91cc\u9762\u56db\u4e2a\u8868\u793a\u64cd\u4f5c\u65b9\u5f0f\u7684\u52a8\u8bcd\u5982\u4e0b：<\/p>\n \n- \n
get：\u7528\u4e8e\u83b7\u53d6\u8d44\u6e90<\/p>\n<\/li>\n - \n
post：\u7528\u4e8e\u65b0\u5efa\u8d44\u6e90<\/p>\n<\/li>\n - \n
put：\u7528\u4e8e\u66f4\u65b0\u8d44\u6e90<\/p>\n<\/li>\n - \n
delete：\u7528\u4e8e\u5220\u9664\u8d44\u6e90<\/p>\n<\/li>\n<\/ul>\n \u4f8b\u5982：<\/p>\n \n- \n
\/user\/1 get：\u5f97\u5230id=1\u7684user<\/p>\n<\/li>\n - \n
\/user\/1 delete：\u5220\u9664id=1\u7684user<\/p>\n<\/li>\n - \n
\/user\/1 put：\u66f4\u65b0id=1\u7684user<\/p>\n<\/li>\n - \n
\/user\/1 post：\u65b0\u589euser<\/p>\n<\/li>\n<\/ul>\n \u4e0a\u8ff0url\u5730\u5740\/user\/1\u4e2d\u76841\u5c31\u662f\u8981\u83b7\u5f97\u7684\u8bf7\u6c42\u53c2\u6570，\u5728SpringMVC\u4e2d\u53ef\u4ee5\u4f7f\u7528\u5360\u4f4d\u7b26\u8fdb\u884c\u53c2\u6570\u7ed1\u5b9a\u3002\u5730\u5740\/user\/1\u53ef\u4ee5\u5199\u6210\/user\/{id}，\u5360\u4f4d\u7b26{id}\u5bf9\u5e94\u7684\u5c31\u662f1\u7684\u503c，\u5728\u4e1a\u52a1\u65b9\u6cd5\u4e2d\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528@PathVarable\u6ce8\u89e3\u8fdb\u884c\u5360\u4f4d\u7b26\u7684\u5339\u914d\u83b7\u53d6\u5de5\u4f5c<\/p>\n<\/p>\n 2.9 \u81ea\u5b9a\u4e49\u7c7b\u578b\u8f6c\u6362\u5668<\/h4>\n\n- \n
springMVC\u9ed8\u8ba4\u5df2\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e38\u7528\u7684\u7c7b\u578b\u8f6c\u6362\u5668，\u4f8b\u5982\u5ba2\u6237\u7aef\u63d0\u4ea4\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u6210int\u578b\u8fdb\u884c\u53c2\u6570\u8bbe\u7f6e<\/p>\n<\/li>\n - \n
\u4f46\u662f\u4e0d\u662f\u6240\u6709\u7684\u6570\u636e\u7c7b\u578b\u90fd\u63d0\u4f9b\u4e86\u8f6c\u6362\u5668，\u6ca1\u6709\u63d0\u4f9b\u7684\u5c31\u9700\u8981\u81ea\u5b9a\u4e49\u8f6c\u6362\u5668，\u4f8b\u5982：\u65e5\u671f\u7c7b\u578b\u7684\u6570\u636e\u5c31\u9700\u8981\u81ea\u5b9a\u4e49\u8f6c\u6362\u5668\u3002<\/p>\n<\/li>\n<\/ul>\n \u81ea\u5b9a\u4e49\u7c7b\u578b\u8f6c\u6362\u5668\u7684\u5f00\u53d1\u6b65\u9aa4：<\/p>\n - \n
\u5b9a\u4e49\u8f6c\u6362\u5668\u5b9e\u73b0Converter\u63a5\u53e3<\/p>\n<\/li>\n - \n
\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u58f0\u660e\u8f6c\u6362\u5668<\/p>\n<\/li>\n - \n
\u5728< annotation-driven >\u4e2d\u5f15\u7528\u8f6c\u6362\u5668<\/p>\n<\/li>\n - \n
\u5b9a\u4e49\u8f6c\u6362\u5668\u5b9e\u73b0Converter\u63a5\u53e3<\/p>\n public class DateConverter implements Converter<String,Date> {<\/p>\n @Override
\n public Date convert(String dateStr) {
\n \/\/\u5c06\u65e5\u671f\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u6210\u771f\u6b63\u7684\u65e5\u671f\u5bf9\u8c61\u8fd4\u56de
\n SimpleDateFormat format=new SimpleDateFormat("yyyy-mm-dd");
\n Date date=null;
\n try {
\n date = format.parse(dateStr);
\n } catch (ParseException e) {
\n e.printStackTrace();
\n }
\n return date;
\n }
\n} <\/li>\n - \n
\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u58f0\u660e\u8f6c\u6362\u5668<\/p>\n <!– \u58f0\u660e\u8f6c\u6362\u5668–>
\n <bean id="ConversionService" class="org.springframework.context.support.ConversionServiceFactoryBean">
\n <property name="converters">
\n <list>
\n <bean class="com.itheima.converter.DateConverter"\/>
\n <\/list>
\n <\/property>
\n <\/bean> <\/li>\n - \n
\u5728< annotation-driven >\u4e2d\u5f15\u7528\u8f6c\u6362\u5668<\/p>\n <!– mvc\u6ce8\u89e3\u9a71\u52a8–>
\n <mvc:annotation-driven conversion-service="ConversionService"\/> <\/li>\n 2.10 \u83b7\u5f97Servlet\u76f8\u5173API<\/h4>\nSpringMVC\u652f\u6301\u4f7f\u7528\u539f\u59cb\u7684ServletAPI\u5bf9\u8c61\u4f5c\u4e3a\u63a7\u5236\u5668\u65b9\u6cd5\u7684\u53c2\u6570\u8fdb\u884c\u6ce8\u5165，\u5e38\u7528\u7684\u5bf9\u8c61\u5982\u4e0b：<\/p>\n \n- \n
HttpServletRequest<\/p>\n<\/li>\n - \n
HttpServletResponse<\/p>\n<\/li>\n - \n
HttpSession<\/p>\n @RequestMapping("\/quick16")
\n@ResponseBody
\npublic void quickMethod16(HttpServletRequest request,HttpServletResponse response,HttpSession session){
\n System.out.println(request);
\n System.out.println(response);
\n System.out.println(session);
\n} <\/li>\n<\/ul>\n 2.11 \u83b7\u5f97\u8bf7\u6c42\u5934<\/h4>\n1. @RequestHeader<\/h5>\n\u4f7f\u7528@RequestHeader\u53ef\u4ee5\u83b7\u5f97\u8bf7\u6c42\u5934\u4fe1\u606f，\u76f8\u5f53\u4e8eweb\u9636\u6bb5\u5b66\u4e60\u7684request.getHeader(name)<\/p>\n @RequestHeader\u6ce8\u89e3\u7684\u5c5e\u6027\u5982\u4e0b：<\/p>\n \n- \n
value：\u8bf7\u6c42\u5934\u7684\u540d\u79f0<\/p>\n<\/li>\n - \n
required：\u662f\u5426\u5fc5\u987b\u643a\u5e26\u6b64\u8bf7\u6c42\u5934<\/p>\n @RequestMapping("\/quick19")
\n@ResponseBody
\npublic void quickMethod19(@RequestHeader(value = "User-agent",required = false) String user_agent){
\n System.out.println(user_agent);
\n} <\/p>\n<\/li>\n<\/ul>\n 2. @CookieValue<\/h5>\n\u4f7f\u7528@CookieValue\u53ef\u4ee5\u83b7\u5f97\u6307\u5b9aCookie\u7684\u503c<\/p>\n @CookieValue\u6ce8\u89e3\u7684\u5c5e\u6027\u5982\u4e0b：<\/p>\n \n- \n
value：\u6307\u5b9acookie\u7684\u540d\u79f0<\/p>\n<\/li>\n - \n
required：\u662f\u5426\u5fc5\u987b\u643a\u5e26\u6b64cookie<\/p>\n @RequestMapping("\/quick20")
\n@ResponseBody
\npublic void quickMethod20(@CookieValue(value = "JSESSIONID") String session_id){
\n System.out.println(session_id);
\n} <\/p>\n<\/li>\n<\/ul>\n 2.12 \u6587\u4ef6\u4e0a\u4f20<\/h4>\n1.\u6587\u4ef6\u4e0a\u4f20\u5ba2\u6237\u7aef\u4e09\u8981\u7d20<\/h5>\n\n- \n
\u8868\u5355\u9879type=\u201cfile\u201c<\/p>\n<\/li>\n - \n
\u8868\u5355\u7684\u63d0\u4ea4\u65b9\u5f0f\u662fpost<\/p>\n<\/li>\n - \n
\u8868\u5355\u7684enctype\u5c5e\u6027\u662f\u591a\u90e8\u5206\u8868\u5355\u5f62\u5f0f，\u53caenctype=\u201dmultipart\/form-data\u201c<\/p>\n <form action="${pageContext.request.contextPath}\/quick22" method="post" enctype="multipart\/form-data">
\n \u540d\u79f0：<input type="text" name="name"><br\/>
\n \u6587\u4ef6：<input type="file" name="upload"><br\/>
\n <input type="submit" name="\u63d0\u4ea4">
\n<\/form> <\/li>\n<\/ul>\n 2. \u6587\u4ef6\u4e0a\u4f20\u539f\u7406<\/h5>\n\n- \n
\u5f53form\u8868\u5355\u4fee\u6539\u4e3a\u591a\u90e8\u5206\u8868\u5355\u65f6，request.getParameter()\u5c06\u5931\u6548<\/p>\n<\/li>\n - \n
enctype="application\/x-www-form-urlencoded"\u65f6，form\u8868\u5355\u7684\u6b63\u6587\u5185\u5bb9\u683c\u5f0f\u662f：<\/p>\n key=value&key=value&key=value<\/p>\n<\/li>\n - \n
\u5f53form\u8868\u5355\u7684enctype\u53d6\u503c\u4e3aMutilpart\/form-data\u65f6，\u8bf7\u6c42\u6b63\u6587\u5185\u5bb9\u5c31\u53d8\u6210\u591a\u90e8\u5206\u5f62\u5f0f：<\/p>\n<\/p>\n<\/li>\n<\/ul>\n 2.13 \u5355\u6587\u4ef6\u4e0a\u4f20\u6b65\u9aa4<\/h4>\n - \n
\u5bfc\u5165fileupload\u548cio\u5750\u6807<\/p>\n<\/li>\n - \n
\u914d\u7f6e\u6587\u4ef6\u4e0a\u4f20\u89e3\u6790\u5668<\/p>\n<\/li>\n - \n
\u7f16\u5199\u6587\u4ef6\u4e0a\u4f20\u4ee3\u7801<\/p>\n<\/li>\n 2.14 \u5355\u6587\u4ef6\u4e0a\u4f20\u5b9e\u73b0<\/h4>\n - \n
\u5bfc\u5165fileupload\u548cio\u5750\u6807<\/p>\n <dependency>
\n <groupId>commons-fileupload<\/groupId>
\n <artifactId>commons-fileupload<\/artifactId>
\n <version>1.4<\/version>
\n<\/dependency>
\n<dependency>
\n <groupId>commons-io<\/groupId>
\n <artifactId>commons-io<\/artifactId>
\n <version>2.5<\/version>
\n<\/dependency> <\/li>\n - \n
\u914d\u7f6e\u6587\u4ef6\u4e0a\u4f20\u89e3\u6790\u5668<\/p>\n <!– \u914d\u7f6e\u6587\u4ef6\u4e0a\u4f20\u89e3\u6790\u5668–>
\n <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
\n <property name="defaultEncoding" value="UTF-8"\/>
\n <property name="maxInMemorySize" value="500000"\/>
\n <\/bean> <\/li>\n - \n
\u7f16\u5199\u6587\u4ef6\u4e0a\u4f20\u4ee3\u7801<\/p>\n @RequestMapping("\/quick22")
\n@ResponseBody
\npublic void quickMethod22(String name, MultipartFile uploadFile){
\n System.out.println(name);
\n System.out.println(uploadFile);<\/p>\n \/\/\u83b7\u53d6\u4e0a\u4f20\u6587\u4ef6\u540d\u79f0
\n String originalFilename = uploadFile.getOriginalFilename();
\n uploadFile.transferTo(new File("C:\\\\\\\\upload\\\\\\\\"+originalFilename));
\n} <\/li>\n 2.15 \u591a\u6587\u4ef6\u4e0a\u4f20\u5b9e\u73b0<\/h4>\n\u591a\u6587\u4ef6\u4e0a\u4f20，\u53ea\u9700\u8981\u5c06\u9875\u9762\u4fee\u6539\u4e3a\u591a\u4e2a\u6587\u4ef6\u4e0a\u4f20\u9879，\u5c06\u65b9\u6cd5\u53c2\u6570MultipartFile\u7c7b\u578b\u4fee\u6539\u4e3aMultipartFile[]\u5373\u53ef<\/p>\n <form action="${pageContext.request.contextPath}\/quick22" method="post" enctype="multipart\/form-data">
\n \u540d\u79f0：<input type="text" name="name"><br\/>
\n \u6587\u4ef6：<input type="file" name="uploadFile"><br\/>
\n \u6587\u4ef6：<input type="file" name="uploadFile2"><br\/>
\n <input type="submit" name="\u63d0\u4ea4">
\n<\/form>
\n@RequestMapping("\/quick21")
\n@ResponseBody
\npublic void quickMethod21(String name,MultipartFile[] uploadFiles) throws IOException {
\n for (MultipartFile uploadFile : uploadFiles){
\n String originalFilename = uploadFile.getOriginalFilename();
\n uploadFile.transferTo(new File("C:\\\\\\\\upload\\\\\\\\"+originalFilename));
\n }
\n} <\/p>\n 2.14 \u77e5\u8bc6\u8981\u70b9<\/h4>\nMVC\u5b9e\u73b0\u6570\u636e\u8bf7\u6c42\u65b9\u5f0f<\/p>\n \u57fa\u672c\u7c7b\u578b\u53c2\u6570<\/p>\n POJO\u7c7b\u578b\u53c2\u6570<\/p>\n \u6570\u7ec4\u7c7b\u578b\u53c2\u6570<\/p>\n \u96c6\u5408\u7c7b\u578b\u53c2\u6570<\/p>\n MVC\u83b7\u53d6\u6570\u636e\u7ec6\u8282<\/p>\n \u4e2d\u6587\u4e71\u7801\u95ee\u9898<\/p>\n @RequestParam \u548c @PathVariable<\/p>\n \u81ea\u5b9a\u4e49\u7c7b\u578b\u8f6c\u6362\u5668<\/p>\n \u83b7\u5f97Servlet\u76f8\u5173API<\/p>\n @RequestHeader \u548c @CookieValue<\/p>\n \u6587\u4ef6\u4e0a\u4f20<\/p>\n 03-SpringMVC\u62e6\u622a\u5668\u53ca\u5f02\u5e38\u5904\u7406<\/h3>\n1.1 \u62e6\u622a\u5668（innterceptor）\u7684\u4f5c\u7528<\/h4>\nSpringMVC\u7684\u62e6\u622a\u5668\u7c7b\u4f3c\u4e8eServlet\u5f00\u53d1\u4e2d\u7684\u8fc7\u6ee4\u5668Filter，\u7528\u4e8e\u5bf9\u5904\u7406\u5668\u8fdb\u884c\u9884\u5904\u7406\u548c\u540e\u5904\u7406\u3002<\/p>\n \u5c06\u62e6\u622a\u5668\u6309\u4e00\u5b9a\u7684\u987a\u5e8f\u8054\u7ed3\u6210\u4e00\u6761\u94fe，\u8fd9\u6761\u94fe\u79f0\u4e3a\u62e6\u622a\u5668\u94fe(Interceptor Chain)\u3002\u5728\u8bbf\u95ee\u88ab\u62e6\u622a\u7684\u65b9\u6cd5\u6216\u5b57\u6bb5\u65f6，\u62e6\u622a\u5668\u94fe\u4e2d\u7684\u62e6\u622a\u5668\u5c31\u4f1a\u6309\u5176\u4e4b\u524d\u5b9a\u4e49\u7684\u987a\u5e8f\u88ab\u8c03\u7528\u3002\u62e6\u622a\u5668\u4e5f\u662fAOP\u601d\u60f3\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n 1.2 \u62e6\u622a\u5668\u548c\u8fc7\u6ee4\u5668\u7684\u533a\u522b<\/h4>\n\n\u533a\u522b\u8fc7\u6ee4\u5668\u62e6\u622a\u5668<\/tr>\n \n\n| \u4f7f\u7528\u8303\u56f4<\/td>\n | \u662fservlet\u89c4\u8303\u4e2d\u7684\u4e00\u90e8\u5206，\u4efb\u4f55java web\u5de5\u7a0b\u90fd\u53ef\u4ee5\u4f7f\u7528<\/td>\n | \u662fSpringMVC\u6846\u67b6\u81ea\u5df1\u7684，\u53ea\u6709\u4f7f\u7528\u4e86SpringMVC\u6846\u67b6\u7684\u5de5\u7a0b\u624d\u80fd\u7528<\/td>\n<\/tr>\n | \n| \u62e6\u622a\u8303\u56f4<\/td>\n | \u5728url-pattern\u4e2d\u914d\u7f6e\u4e86\/*\u4e4b\u540e，\u53ef\u4ee5\u5bf9\u6240\u6709\u8981\u8bbf\u95ee\u7684\u8d44\u6e90\u62e6\u622a<\/td>\n | \u53ea\u4f1a\u62e6\u622a\u8bbf\u95ee\u7684\u63a7\u5236\u5668\u65b9\u6cd5，\u5982\u679c\u8bbf\u95ee\u7684\u662fjsp，html，css，image\u6216\u8005js\u662f\u4e0d\u4f1a\u8fdb\u884c\u62e6\u622a\u7684<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n1.3 \u62e6\u622a\u5668\u7684\u5feb\u901f\u5165\u95e8<\/h4>\n\u81ea\u5b9a\u4e49\u62e6\u622a\u5668\u5f88\u7b80\u5355，\u53ea\u6709\u5982\u4e0b\u4e09\u6b65：<\/p>\n - \n
\u521b\u5efa\u62e6\u622a\u5668\u7c7b\u5b9e\u73b0HandlerInterceptor\u63a5\u53e3<\/p>\n<\/li>\n - \n
\u914d\u7f6e\u62e6\u622a\u5668<\/p>\n<\/li>\n - \n
\u6d4b\u8bd5\u62e6\u622a\u5668\u7684\u62e6\u622a\u6548\u679c<\/p>\n<\/li>\n \u521b\u5efa\u62e6\u622a\u5668\u7c7b\u5b9e\u73b0HandlerInterceptor\u63a5\u53e3<\/h5>\npublic class MyInterceptor1 implements HandlerInterceptor {
\n \/\/\u5728\u76ee\u6807\u65b9\u6cd5\u6267\u884c\u4e4b\u524d\u6267\u884c
\n @Override
\n public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
\n System.out.println("preHandle");
\n \/\/\u8fd4\u56defalse\u4ee3\u8868\u4e0d\u653e\u884c(\u540e\u9762\u7684\u65b9\u6cd5\u90fd\u4e0d\u80fd\u6267\u884c) \u8fd4\u56detrue\u5219\u653e\u884c
\n return true;
\n }<\/p>\n \/\/\u5728\u76ee\u6807\u65b9\u6cd5\u6267\u884c\u4e4b\u540e\u89c6\u56fe\u8fd4\u56de\u4e4b\u524d\u6267\u884c
\n \/\/modelandview\u53ef\u4ee5\u83b7\u53d6 \u8fdb\u884c\u4fee\u6539
\n @Override
\n public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
\n System.out.println("postHandle");
\n }<\/p>\n \/\/\u5728\u6d41\u7a0b\u90fd\u6267\u884c\u5b8c\u6bd5\u540e \u6267\u884c
\n @Override
\n public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
\n System.out.println("afterCompletion");
\n }
\n} <\/p>\n \u914d\u7f6e\u62e6\u622a\u5668<\/h5>\n<!– \u914d\u7f6e\u62e6\u622a\u5668–>
\n <mvc:interceptors>
\n <mvc:interceptor>
\n<!– \u5bf9\u54ea\u4e9b\u8d44\u6e90\u6267\u884c\u62e6\u622a\u64cd\u4f5c–>
\n <mvc:mapping path="\/**"\/>
\n <bean class="com.itheima.interceptor.MyInterceptor1"\/>
\n <\/mvc:interceptor>
\n <mvc:interceptor>
\n<!– \u5f53\u8981\u52a0\u591a\u4e00\u4e2a\u62e6\u622a\u5668\u65f6–>
\n <mvc:mapping path="\/xxxx\/**"\/>xxxx\u4e0b\u7684\u5168\u90e8\u65b9\u6cd5
\n <bean class="com.itheima.interceptor.MyInterceptor2"\/>
\n <\/mvc:interceptor>
\n <\/mvc:interceptors> <\/p>\n \u6d4b\u8bd5\u62e6\u622a\u5668\u7684\u62e6\u622a\u6548\u679c<\/h5>\npreHandle running… postHandle afterCompletion<\/p>\n 1.5 \u62e6\u622a\u5668\u65b9\u6cd5\u8bf4\u660e<\/h4>\n\n\u65b9\u6cd5\u540d\u8bf4\u660e<\/tr>\n \n\n| preHandle()<\/td>\n | \u65b9\u6cd5\u5c06\u5728\u8bf7\u6c42\u5904\u7406\u4e4b\u524d\u8fdb\u884c\u8c03\u7528，\u8be5\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u662f\u5e03\u5c14\u503cBoolean\u7c7b\u578b\u7684，\u5f53\u5b83\u8fd4\u56defalse\u65f6，\u8868\u793a\u8bf7\u6c42\u7ed3\u675f，\u540e\u7eed\u7684Intercetor\u548cController\u90fd\u4e0d\u4f1a\u518d\u6267\u884c；\u5f53\u8fd4\u56de\u503ctrue\u65f6\u5c31\u4f1a\u7ee7\u7eed\u8c03\u7528\u4e0b\u4e00\u4e2aInterceptor\u7684preHandle\u65b9\u6cd5<\/td>\n<\/tr>\n | \n| postHandle()<\/td>\n | \u8be5\u65b9\u6cd5\u662f\u5f53\u524d\u8bf7\u6c42\u8fdb\u884c\u5904\u7406\u4e4b\u540e\u88ab\u8c03\u7528，\u524d\u63d0\u662fpreHandle\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u4e3atrue\u65f6\u624d\u80fd\u88ab\u8c03\u7528，\u4e14\u5b83\u4f1a\u5728DispatcherServlet\u8fdb\u884c\u89c6\u56fe\u8fd4\u56de\u6e32\u67d3\u4e4b\u524d\u88ab\u8c03\u7528，\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\u5bf9Controller\u5904\u7406\u4e4b\u540e\u7684ModelAndView\u5bf9\u8c61\u8fdb\u884c\u64cd\u4f5c<\/td>\n<\/tr>\n | \n| afterCompletion()<\/td>\n | \u8be5\u65b9\u6cd5\u5c06\u5728\u6574\u4e2a\u8bf7\u6c42\u7ed3\u675f\u4e4b\u540e，\u4e5f\u5c31\u662f\u5728DispatcherServlet\u6e32\u67d3\u4e86\u5bf9\u5e94\u7684\u89c6\u56fe\u4e4b\u540e\u6267\u884c，\u524d\u63d0\u662fpreHandle\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u4e3atrue\u65f6\u624d\u80fd\u88ab\u8c03\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n1.6 \u77e5\u8bc6\u8981\u70b9<\/h4>\n\u81ea\u5b9a\u4e49\u62e6\u622a\u5668\u6b65\u9aa4<\/p>\n - \n
\u521b\u5efa\u62e6\u622a\u5668\u7c7b\u5b9e\u73b0HandlerInterceptor\u63a5\u53e3<\/p>\n<\/li>\n - \n
\u914d\u7f6e\u62e6\u622a\u5668<\/p>\n<\/li>\n - \n
\u6d4b\u8bd5\u62e6\u622a\u5668\u7684\u62e6\u622a\u6548\u679c<\/p>\n<\/li>\n 1.7 \u6848\u4f8b-\u7528\u6237\u767b\u5f55\u6743\u9650\u63a7\u5236<\/h4>\n\u9700\u6c42：\u7528\u6237\u6ca1\u6709\u767b\u5f55\u7684\u60c5\u51b5\u4e0b，\u4e0d\u80fd\u5bf9\u540e\u53f0\u83dc\u5355\u8fdb\u884c\u8bbf\u95ee\u64cd\u4f5c，\u70b9\u51fb\u83dc\u5355\u8df3\u8f6c\u5230\u767b\u5f55\u9875\u9762，\u53ea\u6709\u7528\u6237\u767b\u5f55\u6210\u529f\u540e\u624d\u80fd\u8fdb\u884c\u540e\u53f0\u529f\u80fd\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n 08-\u5f02\u5e38\u5904\u7406\u673a\u5236<\/h2>\n1. SpringMVC\u5f02\u5e38\u5904\u7406<\/h3>\n1.1 \u5f02\u5e38\u5904\u7406\u7684\u601d\u8def<\/h4>\n\u7cfb\u7edf\u4e2d\u5f02\u5e38\u5305\u62ec\u4e24\u7c7b：\u9884\u671f\u5f02\u5e38\u548c\u8fd0\u884c\u65f6\u5f02\u5e38RuntimeException，\u524d\u8005\u901a\u8fc7\u6355\u83b7\u5f02\u5e38\u4ece\u800c\u83b7\u53d6\u5f02\u5e38\u4fe1\u606f，\u540e\u8005\u4e3b\u8981\u901a\u8fc7\u89c4\u8303\u4ee3\u7801\u5f00\u53d1\u3001\u6d4b\u8bd5\u7b49\u624b\u6bb5\u51cf\u5c11\u8fd0\u884c\u65f6\u5f02\u5e38\u7684\u53d1\u751f\u3002<\/p>\n \u7cfb\u7edf\u7684Dao\u3001Service\u3001Controller\u51fa\u73b0\u90fd\u901a\u8fc7throws Exception\u5411\u4e0a\u629b\u51fa，\u6700\u540e\u7531SpringMVC\u524d\u7aef\u63a7\u5236\u5668\u4ea4\u7531\u5f02\u5e38\u5904\u7406\u5668\u8fdb\u884c\u5f02\u5e38\u5904\u7406，\u5982\u4e0b\u56fe：<\/p>\n<\/p>\n 1.2 \u5f02\u5e38\u5904\u7406\u4e24\u79cd\u65b9\u5f0f<\/h4>\n - \n
\u4f7f\u7528SpringMVC\u63d0\u4f9b\u7684\u7b80\u5355\u5f02\u5e38\u5904\u7406\u5668SimpleMappingExceptionResover<\/p>\n<\/li>\n - \n
\u5b9e\u73b0Spring\u7684\u5f02\u5e38\u5904\u7406\u63a5\u53e3HandlerExceptionResover\u81ea\u5b9a\u4e49\u81ea\u5df1\u7684\u5f02\u5e38\u5904\u7406\u5668<\/p>\n<\/li>\n 1.3 \u7b80\u5355\u5f02\u5e38\u5904\u7406\u5668SimpleMappingExceptionResover<\/h4>\n<\/p>\n - \n
\u505a\u597d\u524d\u671f\u5de5\u4f5c，\u5efa\u7acb\u9879\u76ee\u6dfb\u52a0web，\u5efa\u597d\u4e09\u5c42\u5efa\u6784，\u914d\u7f6epom\u5e76\u6253\u5305\u65b9\u5f0f\u4e3awar<\/p>\n<\/li>\n - \n
applicationContext.xml<\/p>\n <context:component-scan base-package="com.itheima"\/> <\/li>\n - \n
spring-mvc.xml<\/p>\n <!– \u7ec4\u4ef6\u626b\u63cf–>
\n <context:component-scan base-package="com.itheima.controller"\/>
\n<!–mvc\u6ce8\u89e3\u9a71\u52a8–>
\n <mvc:annotation-driven\/>
\n<!– \u914d\u7f6e\u89c6\u56fe\u89e3\u6790\u5668–>
\n <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
\n <property name="prefix" value="\/"\/>
\n <property name="suffix" value=".jsp"\/>
\n <\/bean>
\n<!– \u9759\u6001\u8d44\u6e90\u6743\u9650\u5f00\u653e–>
\n <mvc:default-servlet-handler\/>
\n<!– \u914d\u7f6e\u5f02\u5e38\u5904\u7406\u5668–>
\n <bean class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
\n<!– <property name="defaultErrorView" value="error"\/> \u62a5\u9519\u8df3\u5230\u9ed8\u8ba4\u9519\u8bef\u9875\u9762–>
\n <property name="exceptionMappings">
\n <map>
\n <entry key="java.lang.ClassCastException" value="error1"\/>
\n <entry key="com.itheima.exception.MyException" value="error5"\/>
\n <\/map>
\n <\/property>
\n <\/bean> <\/li>\n - \n
web.xml<\/p>\n <listener>
\n <listener-class>org.springframework.web.context.ContextLoaderListener<\/listener-class>
\n <\/listener>
\n <context-param>
\n <param-name>contextConfigLocation<\/param-name>
\n <param-value>classpath:applicationContext.xml<\/param-value>
\n <\/context-param>
\n<!– \u524d\u7aef\u63a7\u5236\u5668–>
\n <servlet>
\n <servlet-name>DispatcherServlet<\/servlet-name>
\n <servlet-class>org.springframework.web.servlet.DispatcherServlet<\/servlet-class>
\n <init-param>
\n <param-name>contextConfigLocation<\/param-name>
\n <param-value>classpath:spring-mvc.xml<\/param-value>
\n <\/init-param>
\n <load-on-startup>1<\/load-on-startup>
\n <\/servlet>
\n <servlet-mapping>
\n <servlet-name>DispatcherServlet<\/servlet-name>
\n <url-pattern>\/<\/url-pattern>
\n <\/servlet-mapping><\/p>\n <!– \u914d\u7f6e\u5168\u5c40\u8fc7\u6ee4\u7684filter–>
\n <filter>
\n <filter-name>CharacterEncodingFilter<\/filter-name>
\n <filter-class>org.springframework.web.filter.CharacterEncodingFilter<\/filter-class>
\n <init-param>
\n <param-name>encoding<\/param-name>
\n <param-value>UTF-8<\/param-value>
\n <\/init-param>
\n <\/filter>
\n <filter-mapping>
\n <filter-name>CharacterEncodingFilter<\/filter-name>
\n <url-pattern>\/*<\/url-pattern>
\n <\/filter-mapping> <\/li>\n - @Service
\npublic class DemoServiceImpl implements DemoService{
\n @Override
\n public void show1() {
\n System.out.println("\u629b\u51fa\u7c7b\u578b\u8f6c\u6362\u5f02\u5e38…");
\n Object str="shanghai";
\n Integer num=(Integer)str;
\n }<\/p>\n @Override
\n public void show2() {
\n System.out.println("\u629b\u51fa\u96f6\u5f02\u5e38…");
\n int i=1\/0;
\n }<\/p>\n @Override
\n public void show3() throws FileNotFoundException {
\n System.out.println("\u6587\u4ef6\u627e\u4e0d\u5230\u5f02\u5e38…");
\n InputStream in=new FileInputStream("C:\/xxx\/xxx");
\n }<\/p>\n @Override
\n public void show4() {
\n System.out.println("\u7a7a\u6307\u9488\u5f02\u5e38…");
\n String str=null;
\n str.length();
\n }<\/p>\n @Override
\n public void show5() throws MyException {
\n System.out.println("\u81ea\u5b9a\u4e49\u5f02\u5e38…");
\n throw new MyException();
\n }
\n} public class MyException extends Exception{
\n} @Controller
\npublic class DemoController {
\n @Autowired
\n private DemoService demoService;<\/p>\n @RequestMapping("\/show")
\n public String show() throws MyException {
\n System.out.println("show running…");
\n demoService.show5();
\n return "index";
\n }
\n} <\/li>\n 1.4 \u5f02\u5e38\u5904\u7406\u6b65\u9aa4<\/h4>\n - \n
\u521b\u5efa\u5f02\u5e38\u5904\u7406\u5668\u7c7b\u5b9e\u73b0HandlerExceptionResolver<\/p>\n<\/li>\n - \n
\u914d\u7f6e\u5f02\u5e38\u5904\u7406\u5668<\/p>\n<\/li>\n - \n
\u7f16\u5199\u5f02\u5e38\u9875\u9762<\/p>\n<\/li>\n - \n
\u6d4b\u8bd5\u5f02\u5e38\u8df3\u8f6c<\/p>\n<\/li>\n \n- \n
\u521b\u5efa\u5f02\u5e38\u5904\u7406\u5668\u7c7b\u5b9e\u73b0HandlerExceptionResolver<\/h5>\n public class MyExceptionResolver implements HandlerExceptionResolver {
\n \u00a0 \u00a0@Override
\n \u00a0 \u00a0\/*
\n \u00a0 \u00a0* \u53c2\u6570Exception:\u5f02\u5e38\u5bf9\u8c61
\n \u00a0 \u00a0* \u8fd4\u56de\u503cModelandView：\u8df3\u8f6c\u5230\u9519\u8bef\u89c6\u56fe\u4fe1\u606f
\n \u00a0 \u00a0*
\n \u00a0 \u00a0* *\/
\n \u00a0 \u00a0public ModelAndView resolveException(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) {
\n \u00a0 \u00a0 \u00a0 \u00a0ModelAndView modelAndView=new ModelAndView();
\n \u00a0 \u00a0 \u00a0 \u00a0if(e instanceof MyException){
\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0modelAndView.addObject("info","\u81ea\u5b9a\u4e49\u5f02\u5e38");
\n \u00a0 \u00a0 \u00a0 }else if(e instanceof ClassCastException){
\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0modelAndView.addObject("info","\u7c7b\u578b\u8f6c\u6362\u5f02\u5e38");
\n \u00a0 \u00a0 \u00a0 }
\n\u200b
\n \u00a0 \u00a0 \u00a0 \u00a0modelAndView.setViewName("error");
\n \u00a0 \u00a0 \u00a0 \u00a0return modelAndView;
\n \u00a0 }
\n} <\/li>\n - \n
\u914d\u7f6e\u5f02\u5e38\u5904\u7406\u5668<\/h5>\n <!– \u00a0 \u81ea\u5b9a\u4e49\u5f02\u5e38\u5904\u7406\u5668–>
\n<bean class="com.itheima.resolver.MyExceptionResolver"\/> <\/li>\n - \n
\u7f16\u5199\u5f02\u5e38\u9875\u9762<\/h5>\n <h1>
\n ${info}
\n<\/h1> <\/li>\n - \n
\u6d4b\u8bd5\u5f02\u5e38\u8df3\u8f6c<\/h5>\n @Controller
\npublic class DemoController {
\n @Autowired
\n private DemoService demoService;<\/p>\n @RequestMapping("\/show")
\n public String show() throws MyException {
\n System.out.println("show running…");
\n demoService.show5();
\n return "index";
\n }
\n} <\/li>\n<\/ul>\n 1.4 \u77e5\u8bc6\u8981\u70b9<\/h4>\n\u5f02\u5e38\u5904\u7406\u65b9\u5f0f<\/h5>\n - \n
\u914d\u7f6e\u7b80\u5355\u5f02\u5e38\u5904\u7406\u5668SimpleMappingExceptionResovler<\/p>\n<\/li>\n - \n
\u81ea\u5b9a\u4e49\u5f02\u5e38\u5904\u7406\u5668<\/p>\n<\/li>\n \u5f02\u5e38\u5904\u7406\u6b65\u9aa4<\/h5>\n - \n
\u521b\u5efa\u5f02\u5e38\u5904\u7406\u7c7b\u5b9e\u73b0HandlerExceptionResolver<\/p>\n<\/li>\n - \n
\u914d\u7f6e\u5f02\u5e38\u5904\u7406\u5668<\/p>\n<\/li>\n - \n
\u7f16\u5199\u5f02\u5e38\u9875\u9762<\/p>\n<\/li>\n - \n
\u6d4b\u8bd5\u5f02\u5e38\u8df3\u8f6c<\/p>\n<\/li>\n 3-3 Spring+SpringMVC\u7efc\u5408\u7ec3\u4e60<\/h2>\nSpring\u7ec3\u4e60<\/h2>\n1. Spring\u7ec3\u4e60\u73af\u5883\u642d\u5efa<\/h3>\n1.1 Spring\u73af\u5883\u642d\u5efa\u6b65\u9aa4<\/h4>\n - \n
\u521b\u5efa\u5de5\u7a0b(Project&Module)<\/p>\n<\/li>\n - \n
\u5bfc\u5165\u9759\u6001\u9875\u9762(\u89c1\u8d44\u6599jsp\u9875\u9762)<\/p>\n<\/li>\n - \n
\u5bfc\u5165\u9700\u8981\u5750\u6807(\u89c1\u8d44\u6599\u4e2d\u7684pomxml)<\/p>\n<\/li>\n - \n
\u521b\u5efa\u5305\u7ed3\u6784(controller\u3001service\u3001dao\u3001domain\u3001utils)<\/p>\n<\/li>\n - \n
\u5bfc\u5165\u6570\u636e\u5e93\u811a\u672c(\u89c1\u8d44\u6599test.sql)<\/p>\n<\/li>\n - \n
\u521b\u5efaPOJO\u7c7b(\u89c1\u8d44\u6599User.java\u548cRole.java)<\/p>\n<\/li>\n - \n
\u521b\u5efa\u914d\u7f6e\u6587\u4ef6(applicationContext.xml\u3001spring-mvc.xml\u3001jbdc.properties\u3001log4j.properties)<\/p>\n applicationContext\u52a0\u8f7djbdc.properties\u3001\u4e66\u5199\u6570\u636e\u6e90\u3001\u6570\u636e\u5e93\u6a21\u677f\u5bf9\u8c61<\/p>\n spring-mvc\u6ce8\u89e3\u9a71\u52a8\u3001\u9759\u6001\u8d44\u6e90\u6743\u9650\u5f00\u653e\u3001\u89c6\u56fe\u89e3\u6790\u5668<\/p>\n web.xml\u4e5f\u8981\u914d\u7f6e\u524d\u7aef\u63a7\u5236\u5668\u548cspring\u7684\u76d1\u542c\u5668ContextLoaderListener<\/p>\n<\/li>\n 1.2 \u7528\u6237\u548c\u89d2\u8272\u7684\u5173\u7cfb<\/h4>\n<\/p>\n\u4e00\u4e2a\u7528\u6237\u53ef\u4ee5\u62e5\u6709\u591a\u4e2a\u89d2\u8272，\u4e00\u4e2a\u89d2\u8272\u53ef\u4ee5\u6709\u591a\u4e2a\u7528\u6237，\u662f\u591a\u5bf9\u591a\u7684\u5173\u7cfb<\/p>\n 2.1 \u89d2\u8272\u5217\u8868\u7684\u5c55\u793a\u6548\u679c<\/h4>\n<\/p>\n2.2 \u89d2\u8272\u5217\u8868\u7684\u5c55\u793a\u6b65\u9aa4\u5206\u6790<\/h4>\n - \n
\u70b9\u51fb\u89d2\u8272\u7ba1\u7406\u83dc\u5355\u53d1\u9001\u8bf7\u6c42\u5230\u670d\u52a1\u5668\u7aef(\u4fee\u6539\u89d2\u8272\u7ba1\u7406\u83dc\u5355\u7684url\u5730\u5740)<\/p>\n<\/li>\n - \n
\u521b\u5efaRoleController\u548cshowList()\u65b9\u6cd5<\/p>\n<\/li>\n - \n
\u521b\u5efaRoleService\u548cshowList()\u65b9\u6cd5<\/p>\n<\/li>\n - \n
\u521b\u5efaRoleDao\u65b9\u6cd5\u548cfindAll()\u65b9\u6cd5<\/p>\n<\/li>\n - \n
\u5c06\u67e5\u8be2\u6570\u636e\u5b58\u50a8\u5230Model\u4e2d<\/p>\n<\/li>\n - \n
\u8f6c\u53d1\u5230role-list.jsp\u9875\u9762\u8fdb\u884c\u5c55\u793a<\/p>\n<\/li>\n 2.3 \u89d2\u8272\u6dfb\u52a0\u7684\u6548\u679c<\/h4>\n<\/p>\n2.4 \u89d2\u8272\u6dfb\u52a0\u7684\u6b65\u9aa4\u5206\u6790<\/h4>\n - \n
\u70b9\u51fb\u5217\u8868\u9875\u9762\u65b0\u5efa\u6309\u94ae\u8df3\u8f6c\u5230\u89d2\u8272\u6dfb\u52a0\u9875\u9762<\/p>\n<\/li>\n - \n
\u8f93\u5165\u89d2\u8272\u4fe1\u606f，\u70b9\u51fb\u4fdd\u5b58\u6309\u94ae，\u8868\u5355\u6570\u636e\u63d0\u4ea4\u670d\u52a1\u5668<\/p>\n<\/li>\n - \n
\u7f16\u5199RoleController\u7684save()\u65b9\u6cd5<\/p>\n<\/li>\n - \n
\u7f16\u5199Roleservice\u7684save()\u65b9\u6cd5<\/p>\n<\/li>\n - \n
\u7f16\u5199RoleDao\u7684save()\u65b9\u6cd5<\/p>\n<\/li>\n - \n
\u4f7f\u7528jdbcTemplate\u4fdd\u5b58Role\u6570\u636e\u5230sys_role<\/p>\n<\/li>\n - \n
\u8df3\u8f6c\u56de\u89d2\u8272\u5217\u8868\u9875\u9762<\/p>\n<\/li>\n @Override
\npublic Long save(User user) {
\n \/\/jdbcTemplate.update("insert into sys_user values (?,?,?,?,?)",null,user.getUsername(),user.getEmail(),user.getPassword(),user.getPhoneNum());<\/p>\n \/\/\u521b\u5efaPreparedStatementCreator
\n PreparedStatementCreator creator=new PreparedStatementCreator() {
\n @Override
\n public PreparedStatement createPreparedStatement(Connection connection) throws SQLException {
\n \/\/\u4f7f\u7528\u539f\u59cbjdbc\u5b8c\u6210\u6709\u4e2aPreparedStatement\u7684\u7ec4\u5efa
\n PreparedStatement preparedStatement = connection.prepareStatement("insert into sys_user values (?,?,?,?,?)", PreparedStatement.RETURN_GENERATED_KEYS);
\n preparedStatement.setObject(1,null);
\n preparedStatement.setString(2,user.getUsername());
\n preparedStatement.setString(3,user.getEmail());
\n preparedStatement.setString(4,user.getPassword());
\n preparedStatement.setString(5,user.getPhoneNum());
\n return preparedStatement;
\n }
\n };<\/p>\n \/\/\u521b\u5efakeyHolder
\n GeneratedKeyHolder keyHolder=new GeneratedKeyHolder();
\n jdbcTemplate.update(creator,keyHolder);
\n long userId = keyHolder.getKey().longValue();<\/p>\n return userId;\/\/\u8fd4\u56de\u5f53\u524d\u4fdd\u5b58\u7528\u6237\u7684id \u8be5id\u662f\u6570\u636e\u5e93\u81ea\u52a8\u751f\u6210\u7684
\n} <\/p>\n 3.1 \u7528\u6237\u5217\u8868\u7684\u5c55\u793a\u6548\u679c<\/h4>\n<\/p>\n3.2 \u7528\u6237\u5217\u8868\u7684\u5c55\u793a\u6b65\u9aa4\u5206\u6790<\/h4>\n - \n
\u70b9\u51fb\u7528\u6237\u7ba1\u7406\u83dc\u5355\u53d1\u9001\u8bf7\u6c42\u5230\u670d\u52a1\u5668\u7aef(\u4fee\u6539\u7528\u6237\u7ba1\u7406\u83dc\u5355\u7684url\u5730\u5740)<\/p>\n<\/li>\n - \n
\u521b\u5efaRoleController\u548cshowList()\u65b9\u6cd5<\/p>\n<\/li>\n - \n
\u521b\u5efaRoleService\u548cshowList()\u65b9\u6cd5<\/p>\n<\/li>\n - \n
\u521b\u5efaRoleDao\u548cfindAll()\u65b9\u6cd5<\/p>\n<\/li>\n - \n
\u4f7f\u7528JdbcTemplate\u5b8c\u6210\u67e5\u8be2\u64cd\u4f5c<\/p>\n<\/li>\n - \n
\u5c06\u67e5\u8be2\u6570\u636e\u5b58\u50a8\u5230Model\u4e2d<\/p>\n<\/li>\n - \n
\u8f6c\u53d1\u5230user-list.jsp\u9875\u9762\u8fdb\u884c\u5c55\u793a<\/p>\n<\/li>\n 3.3 \u7528\u6237\u6dfb\u52a0\u7684\u6548\u679c<\/h4>\n<\/p>\n3.4 \u7528\u6237\u6dfb\u52a0\u7684\u6b65\u9aa4\u5206\u6790<\/h4>\n\u2460\u70b9\u51fb\u5217\u8868\u9875\u9762\u65b0\u5efa\u6309\u94ae\u8df3\u8f6c\u5230\u89d2\u8272\u6dfb\u52a0\u9875\u9762<\/p>\n \u2461\u8f93\u5165\u89d2\u8272\u4fe1\u606f，\u70b9\u51fb\u4fdd\u5b58\u6309\u94ae，\u8868\u5355\u6570\u636e\u63d0\u4ea4\u670d\u52a1\u5668<\/p>\n \u2462\u7f16\u5199RoleController\u7684save()\u65b9\u6cd5<\/p>\n \u2463\u7f16\u5199RoleService\u7684save()\u65b9\u6cd5<\/p>\n \u2464\u7f16\u5199RoleDao\u7684save()\u65b9\u6cd5<\/p>\n \u2465\u4f7f\u7528JdbcTemplate\u4fdd\u5b58Role\u6570\u636e\u5230sys_role<\/p>\n \u2466\u8df3\u8f6c\u56de\u89d2\u8272\u5217\u8868\u9875\u9762<\/p>\n 4.1 \u5220\u9664\u7528\u6237\u7684\u6548\u679c<\/h4>\n<\/p>\n<script>
\n function delUser(userId) {
\n if (confirm("\u60a8\u786e\u8ba4\u8981\u5220\u9664\u5417")){
\n location.href="${pageContext.request.contextPath}\/user\/del\/"+userId;
\n }
\n }
\n<\/script> <\/p>\n onclick<\/p>\n <td class="text-center">
\n <a href="javascript:void(0);" onclick="delUser('${user.id}')" class="btn bg-olive btn-xs">\u5220\u9664<\/a>
\n<\/td>
\n@RequestMapping("\/del\/{userId}")
\npublic String del(@PathVariable("userId") Long userId){
\n userService.del(userId);
\n return "redirect:\/user\/list";
\n} <\/p>\n 3-4 MyBatis<\/h2>\n01-Mybatis\u5feb\u901f\u5165\u95e8<\/h2>\n1. Mybatis\u7b80\u4ecb<\/h3>\n1.1\u539f\u59cbjdbc\u64cd\u4f5c(\u67e5\u8be2\u6570\u636e)<\/h4>\n\/\/\u6ce8\u518c\u9a71\u52a8
\nClass.forName("com.mysql.jdbc.Driver");
\n\/\/\u83b7\u5f97\u8fde\u63a5
\nConnection connection=DriverManager.getConnection(url,user,password);
\n\/\/\u83b7\u5f97satement
\nPreparedStatement statement=connection.prepareStatement(sql);
\n\/\/\u6267\u884c\u67e5\u8be2
\nResultSet resultSet=statement.executeQuery();
\n\/\/\u904d\u5386\u7ed3\u679c\u96c6
\nwhile(resultSet.next()){
\n \/\/\u5c01\u88c5\u5b9e\u4f53
\n User user=new User();
\n user.setId(resultSet.getInt("id"));
\n user.setUserName(resultSet.getString("userName"));
\n user.setPassword(resultSet.getString("password"));
\n \/\/user\u5b9e\u4f53\u5c01\u88c5\u5b8c\u6bd5
\n sout(user);
\n}
\nresultSet.close();
\nstatement.close();
\nconnection.close(); <\/p>\n 1.1 \u539f\u59cbjdbc\u64cd\u4f5c(\u63d2\u5165\u6570\u636e)<\/h4>\n\/\/\u6a21\u62df\u5b9e\u4f53\u5bf9\u8c61
\nUser user=new User();
\nuser.setId(2);
\nuser.setUserName("tom");
\nuser.setPassword("lucy");<\/p>\n \/\/\u6ce8\u518c\u9a71\u52a8
\nClass.forName("com.mysql.jdbc.Driver");
\n\/\/\u83b7\u5f97\u8fde\u63a5
\nConnection connection=DriverManager.getConnection(url,user,password);
\n\/\/\u83b7\u5f97statement
\nPreparedStatement statement=connection.preparedStatement(sql(?,?…));
\n\/\/\u8bbe\u7f6e\u5360\u4f4d\u7b26\u53c2\u6570(?)
\nstatement.setInt(1,user.getId());
\nstatement.setString(2,user.getUserName());
\nstatement.setString(3,user.getPassword());
\n\/\/\u6267\u884c\u66f4\u65b0\u64cd\u4f5c
\nstatement.executeUpdate();
\n\/\/\u91ca\u653e\u8d44\u6e90
\nstatement.close();
\nconnection.close(); <\/p>\n 1.2 \u539f\u59cbjdbc\u64cd\u4f5c\u7684\u5206\u6790<\/h4>\n\u539f\u59cbjdbc\u5f00\u53d1\u5b58\u5728\u7684\u95ee\u9898\u5982\u4e0b：<\/p>\n - \n
\u6570\u636e\u5e93\u8fde\u63a5\u521b\u5efa\u3001\u91ca\u653e\u9891\u7e41\u9020\u6210\u7cfb\u7edf\u8d44\u6e90\u6d6a\u8d39\u4ece\u800c\u5f71\u54cd\u7cfb\u7edf\u6027\u80fd<\/p>\n<\/li>\n - \n
sql\u8bed\u53e5\u5728\u4ee3\u7801\u4e2d\u786c\u4ee3\u7801，\u9020\u6210\u4ee3\u7801\u4e0d\u6613\u7ef4\u62a4，\u5b9e\u9645\u5e94\u7528sql\u53d8\u5316\u53ef\u80fd\u8f83\u5927，sql\u53d8\u52a8\u9700\u8981\u6539\u53d8Java\u4ee3\u7801(java\u8026\u5408\u8fc7\u5ea6 \u4ee3\u7801\u91cd\u590d\u591a \u4e0d\u591f\u7075\u6d3b)<\/p>\n<\/li>\n - \n
\u67e5\u8be2\u64cd\u4f5c，\u9700\u8981\u624b\u52a8\u5c06\u7ed3\u679c\u96c6\u4e2d\u7684\u6570\u636e\u624b\u52a8\u5c01\u88c5\u5230\u5b9e\u4f53\u4e2d，\u63d2\u5165\u64cd\u4f5c\u65f6，\u9700\u8981\u624b\u52a8\u5c06\u5b9e\u4f53\u7684\u6570\u636e\u8bbe\u7f6e\u5230sql\u8bed\u53e5\u7684\u5360\u4f4d\u7b26\u4f4d\u7f6e<\/p>\n<\/li>\n \u5e94\u5bf9\u4e0a\u8ff0\u95ee\u9898\u7ed9\u51fa\u7684\u89e3\u51b3\u65b9\u6848：<\/p>\n - \n
\u4f7f\u7528\u6570\u636e\u5e93\u8fde\u63a5\u6c60\u521d\u59cb\u5316\u8fde\u63a5\u8d44\u6e90<\/p>\n<\/li>\n - \n
\u5c06sql\u8bed\u53e5\u62bd\u53d6\u5230xml\u914d\u7f6e\u6587\u4ef6\u4e2d<\/p>\n<\/li>\n - \n
\u4f7f\u7528\u53cd\u5c04\u3001\u5185\u7701\u7b49\u5e95\u5c42\u6280\u672f，\u81ea\u52a8\u5c06\u5b9e\u4f53\u4e0e\u8868\u8fdb\u884c\u5c5e\u6027\u4e0e\u5b57\u6bb5\u7684\u81ea\u52a8\u6620\u5c04<\/p>\n<\/li>\n 1.3 \u4ec0\u4e48\u662fMybatis<\/h4>\n - \n
mybatis\u662f\u4e00\u4e2a\u4f18\u79c0\u7684\u57fa\u4e8ejava\u7684\u6301\u4e45\u5c42\u6846\u67b6，\u5b83\u5185\u90e8\u5c01\u88c5\u4e86jdbc，\u4f7f\u5f00\u53d1\u8005\u53ea\u9700\u8981\u5173\u6ce8sql\u8bed\u53e5\u672c\u8eab，\u800c\u4e0d\u9700\u8981\u82b1\u8d39\u7cbe\u529b\u53bb\u5904\u7406\u52a0\u8f7d\u9a71\u52a8\u3001\u521b\u5efa\u8fde\u63a5\u3001\u521b\u5efastatement\u7b49\u7e41\u6742\u7684\u8fc7\u7a0b\u3002<\/p>\n<\/li>\n - \n
mybatis\u901a\u8fc7xml\u6216\u6ce8\u89e3\u7684\u65b9\u5f0f\u5c06\u8981\u6267\u884c\u7684\u5404\u79cdstatement\u914d\u7f6e\u8d77\u6765，\u5e76\u901a\u8fc7java\u5bf9\u8c61\u548cstatement\u4e2dsql\u7684\u52a8\u6001\u53c2\u6570\u8fdb\u884c\u6620\u5c04\u751f\u6210\u6700\u7ec8\u6267\u884c\u7684sql<\/p>\n<\/li>\n - \n
\u6700\u540emybatis\u6846\u67b6\u6267\u884csql\u5e76\u5c06\u7ed3\u679c\u6620\u5c04\u4e3aJava\u5bf9\u8c61\u5e76\u8fd4\u56de\u3002\u91c7\u7528ORM\u601d\u60f3\u89e3\u51b3\u4e86\u5b9e\u4f53\u548c\u6570\u636e\u5e93\u6620\u5c04\u7684\u95ee\u9898，\u5bf9jdbc\u8fdb\u884c\u4e86\u5c01\u88c5，\u5c4f\u853d\u4e86jdbc api\u5e95\u5c42\u8bbf\u95ee\u7ec6\u8282，\u4f7f\u6211\u4eec\u4e0d\u7528\u4e0ejdbc api\u6253\u4ea4\u9053，\u5c31\u53ef\u4ee5\u5b8c\u6210\u5bf9\u6570\u636e\u5e93\u7684\u6301\u4e45\u5316\u64cd\u4f5c\u3002<\/p>\n<\/li>\n \u91cd\u70b9：<\/h5>\n - \n
mybatis\u662f\u4e00\u4e2a\u4f18\u79c0\u7684\u57fa\u4e8ejava\u7684\u6301\u4e45\u5c42\u6846\u67b6<\/p>\n<\/li>\n - \n
mybatis\u53ef\u4ee5\u9690\u85cf\u7e41\u6742\u7684api<\/p>\n<\/li>\n - \n
\u6211\u4eec\u53ea\u9700\u8981\u5173\u6ce8\u6211\u4eec\u7684sql\u8bed\u53e5，\u4e0d\u9700\u8981\u5173\u6ce8\u52a0\u8f7d\u9a71\u52a8\u3001\u521b\u5efa\u8fde\u63a5\u3001\u521b\u5efastatement\u7b49\u7e41\u6742\u7684\u8fc7\u7a0b<\/p>\n<\/li>\n - \n
mybatais\u53ef\u4ee5\u5b8c\u6210\u5b9e\u4f53\u5bf9\u8c61\u4e0e\u6570\u636e\u5e93\u6620\u5c04\u5173\u7cfb<\/p>\n<\/li>\n 2. Mybatis\u7684\u5feb\u901f\u5165\u95e8<\/h3>\n2.1 Mybatis\u5f00\u53d1\u6b65\u9aa4<\/h4>\nMybatis\u5b98\u7f51\u5730\u5740：MyBatis 3 | Introduction \u2013 mybatis<\/p>\n<\/p>\n Mybatis\u5f00\u53d1\u6b65\u9aa4：<\/p>\n - \n
\u6dfb\u52a0Mybatis\u7684\u5750\u6807<\/p>\n<\/li>\n - \n
\u521b\u5efauser\u6570\u636e\u8868<\/p>\n<\/li>\n - \n
\u7f16\u5199User\u5b9e\u4f53\u7c7b<\/p>\n<\/li>\n - \n
\u7f16\u5199\u6620\u5c04\u6587\u4ef6UserMapper.xml<\/p>\n<\/li>\n - \n
\u7f16\u5199\u6838\u5fc3\u6587\u4ef6SqlMapConfig.xml<\/p>\n<\/li>\n - \n
\u7f16\u5199\u6d4b\u8bd5\u7c7b<\/p>\n<\/li>\n 2.2 \u73af\u5883\u642d\u5efa<\/h4>\n - \n
\u5bfc\u5165Mybatis\u7684\u5750\u6807\u548c\u5176\u4ed6\u76f8\u5173\u5750\u6807<\/p>\n <dependencies>
\n <dependency>
\n <groupId>mysql<\/groupId>
\n <artifactId>mysql-connector-java<\/artifactId>
\n <version>8.0.22<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>org.mybatis<\/groupId>
\n <artifactId>mybatis<\/artifactId>
\n <version>3.5.6<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>junit<\/groupId>
\n <artifactId>junit<\/artifactId>
\n <version>4.13.1<\/version>
\n <\/dependency>
\n <dependency>
\n <groupId>log4j<\/groupId>
\n <artifactId>log4j<\/artifactId>
\n <version>1.2.17<\/version>
\n <\/dependency>
\n <\/dependencies>
\n <properties>
\n <project.build.sourceEncoding>UTF-8<\/project.build.sourceEncoding>
\n <\/properties> <\/li>\n - \n
\u521b\u5efauser\u6570\u636e\u8868\u548c\u7f16\u5199User\u5b9e\u4f53<\/p>\n<\/p>\n<\/li>\n - \n
\u7f16\u5199UserMapper\u6620\u5c04\u6587\u4ef6（\u5728resources.com.itheima.mapper\u76ee\u5f55\u4e0b）<\/p>\n <?xml version="1.0" encoding="UTF-8" ?>
\n<!DOCTYPE mapper PUBLIC "-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN" "http:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd">
\n<!–namespace\u662f\u4e3a\u4e86\u5206\u8fa8\u51fa\u54ea\u4e9b\u529f\u80fd\u53d6\u540d resultType \u8fd4\u56de\u7684\u7ed3\u679c\u662f\u4ec0\u4e48\u7c7b\u578b\u8fdb\u884c\u58f0\u660e–>
\n<mapper namespace="userMapper">
\n <select id="findAll" resultType="com.itheima.domain.User">
\n select * from user;
\n <\/select>
\n<\/mapper> <\/li>\n - \n
\u7f16\u5199sqlMapConfig.xml(\u5728resource\u76ee\u5f55\u4e0b)<\/p>\n <?xml version="1.0" encoding="UTF-8" ?>
\n<!DOCTYPE configuration PUBLIC "-\/\/mybatis.org\/\/DTD Config 3.0\/\/EN" "http:\/\/mybatis.org\/dtd\/mybatis-3-config.dtd">
\n<configuration>
\n<!– \u6570\u636e\u6e90\u73af\u5883–>
\n <environments default="development">
\n <environment id="development">
\n <transactionManager type="JDBC"><\/transactionManager>
\n <dataSource type="POOLED">
\n <property name="driver" value="com.mysql.cj.jdbc.Driver"\/>
\n <property name="url" value="jdbc:mysql:\/\/localhost:3306\/test?useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC"\/>
\n <property name="username" value="root"\/>
\n <property name="password" value="admin"\/>
\n <\/dataSource>
\n <\/environment>
\n <\/environments>
\n<!– \u52a0\u8f7d\u6620\u5c04\u6587\u4ef6–>
\n <mappers>
\n <mapper resource="com\/itheima\/mapper\/UserMapper.xml"><\/mapper>
\n <\/mappers>
\n<\/configuration> <\/li>\n - \n
\u7f16\u5199\u6d4b\u8bd5\u4ee3\u7801<\/p>\n public class MybatisTest {
\n @Test
\n public void test01() throws IOException {
\n \/\/\u83b7\u5f97\u6838\u5fc3\u914d\u7f6e\u6587\u4ef6
\n InputStream resourceAsStream = Resources.getResourceAsStream("sqlMapConfig.xml");
\n \/\/\u83b7\u5f97session\u5de5\u7a0b\u5bf9\u8c61
\n SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(resourceAsStream);
\n \/\/\u83b7\u5f97session\u4f1a\u8bdd\u5bf9\u8c61
\n SqlSession sqlSession = sqlSessionFactory.openSession();
\n \/\/\u6267\u884c\u64cd\u4f5c \u53c2\u6570：namespace+id
\n List<User> users = sqlSession.selectList("userMapper.findAll");
\n System.out.println(users);
\n sqlSession.close();
\n }
\n} <\/li>\n 2.4 \u77e5\u8bc6\u5c0f\u7ed3<\/h4>\nMybatis\u5f00\u53d1\u6b65\u9aa4：<\/p>\n - \n
\u6dfb\u52a0Mybatis\u7684\u5750\u6807（\u81f3\u5c11\u8981\u6709mybatis\u548cmysql-connector）<\/p>\n<\/li>\n - \n
\u521b\u5efauser\u6570\u636e\u8868<\/p>\n<\/li>\n - \n
\u7f16\u5199User\u5b9e\u4f53\u7c7b<\/p>\n<\/li>\n - \n
\u7f16\u5199\u6620\u5c04\u6587\u4ef6UserMapper.xml<\/p>\n<\/li>\n - \n
\u7f16\u5199\u6838\u5fc3\u6587\u4ef6SqlMapConfig.xml<\/p>\n<\/li>\n - \n
\u7f16\u5199\u6d4b\u8bd5\u7c7b<\/p>\n<\/li>\n 3. Mybatis\u7684\u6620\u5c04\u6587\u4ef6\u6982\u8ff0<\/h3>\n<?xml version="1.0" encoding="UTF-8" ?>
\n<!DOCTYPE mapper PUBLIC "-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN" "http:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd"> <\/p>\n | | | | | | | |