\u597d\u7684，\u6211\u4eec\u5c06\u7cfb\u7edf\u6027\u5730\u89e3\u6790 Spring Boot \u4e2d\u7684 AOP \u5207\u9762\u7f16\u7a0b，\u6db5\u76d6\u6838\u5fc3\u6982\u5ff5\u3001\u5b9e\u73b0\u6b65\u9aa4\u53ca\u5b9e\u6218\u6848\u4f8b\u3002<\/p>\n
AOP（Aspect-Oriented Programming）\u662f\u4e00\u79cd\u6a2a\u5411\u5207\u5272\u4ee3\u7801\u903b\u8f91\u7684\u7f16\u7a0b\u8303\u5f0f，\u7528\u4e8e\u89e3\u8026\u4e0e\u4e1a\u52a1\u65e0\u5173\u7684\u901a\u7528\u884c\u4e3a（\u5982\u65e5\u5fd7\u3001\u4e8b\u52a1\u3001\u6743\u9650\u6821\u9a8c）\u3002\u5176\u6838\u5fc3\u7ec4\u4ef6\u5305\u62ec：<\/p>\n
<dependency>
\n <groupId>org.springframework.boot<\/groupId>
\n <artifactId>spring-boot-starter-aop<\/artifactId>
\n<\/dependency><\/p>\n
@Aspect
\n@Component
\npublic class LoggingAspect {<\/p>\n
\/\/ \u5b9a\u4e49\u5207\u70b9：\u62e6\u622a service \u5305\u4e0b\u6240\u6709\u65b9\u6cd5
\n @Pointcut("execution(* com.example.service.*.*(..))")
\n public void servicePointcut() {}<\/p>\n
\/\/ \u524d\u7f6e\u901a\u77e5：\u8bb0\u5f55\u65b9\u6cd5\u5165\u53c2
\n @Before("servicePointcut()")
\n public void logBefore(JoinPoint joinPoint) {
\n String methodName = joinPoint.getSignature().getName();
\n Object[] args = joinPoint.getArgs();
\n System.out.println("Method " + methodName + " called with args: " + Arrays.toString(args));
\n }<\/p>\n
\/\/ \u73af\u7ed5\u901a\u77e5：\u8ba1\u7b97\u65b9\u6cd5\u6267\u884c\u8017\u65f6
\n @Around("servicePointcut()")
\n public Object logTime(ProceedingJoinPoint joinPoint) throws Throwable {
\n long startTime = System.currentTimeMillis();
\n Object result = joinPoint.proceed(); \/\/ \u6267\u884c\u76ee\u6807\u65b9\u6cd5
\n long duration = System.currentTimeMillis() – startTime;
\n System.out.println("Method execution time: " + duration + "ms");
\n return result;
\n }
\n}<\/p>\n
\u62e6\u622a\u5e26\u6709 @RequiresPermission \u6ce8\u89e3\u7684\u65b9\u6cd5，\u6821\u9a8c\u7528\u6237\u6743\u9650\u3002<\/p>\n
@Target(ElementType.METHOD)
\n@Retention(RetentionPolicy.RUNTIME)
\npublic @interface RequiresPermission {
\n String value(); \/\/ \u6743\u9650\u6807\u8bc6\u7b26，\u5982 "admin:delete"
\n}<\/p>\n
@Aspect
\n@Component
\npublic class PermissionAspect {<\/p>\n
@Autowired
\n private PermissionService permissionService; \/\/ \u6743\u9650\u6821\u9a8c\u670d\u52a1<\/p>\n
\/\/ \u5207\u70b9：\u62e6\u622a\u6240\u6709\u5e26 @RequiresPermission \u6ce8\u89e3\u7684\u65b9\u6cd5
\n @Pointcut("@annotation(com.example.annotation.RequiresPermission)")
\n public void permissionCheck() {}<\/p>\n
@Before("permissionCheck()")
\n public void checkPermission(JoinPoint joinPoint) {
\n MethodSignature signature = (MethodSignature) joinPoint.getSignature();
\n RequiresPermission annotation = signature.getMethod().getAnnotation(RequiresPermission.class);
\n String permission = annotation.value();<\/p>\n
\/\/ \u6a21\u62df\u83b7\u53d6\u5f53\u524d\u7528\u6237（\u5b9e\u9645\u53ef\u4ece ThreadLocal \u6216 SecurityContext \u83b7\u53d6）
\n String currentUser = "user123";<\/p>\n
if (!permissionService.hasPermission(currentUser, permission)) {
\n throw new SecurityException("Permission denied: " + permission);
\n }
\n }
\n}<\/p>\n
@Service
\npublic class UserService {<\/p>\n
@RequiresPermission("user:delete")
\n public void deleteUser(Long userId) {
\n \/\/ \u5220\u9664\u7528\u6237\u903b\u8f91
\n }
\n}<\/p>\n
@Pointcut("within(com.example.service..*) && execution(* *.*(..))")<\/p>\n<\/li>\n
@Aspect
\n@Order(1) \/\/ \u6570\u5b57\u8d8a\u5c0f\u4f18\u5148\u7ea7\u8d8a\u9ad8
\npublic class LoggingAspect { … }<\/p>\n<\/li>\n
\u901a\u8fc7\u4ee5\u4e0a\u5185\u5bb9，\u60a8\u5df2\u638c\u63e1 Spring Boot AOP \u7684\u6838\u5fc3\u7528\u6cd5\u4e0e\u8fdb\u9636\u5b9e\u8df5\u3002\u5982\u6709\u5177\u4f53\u573a\u666f\u95ee\u9898，\u53ef\u8fdb\u4e00\u6b65\u6df1\u5165\u63a2\u8ba8！<\/p>\n","protected":false},"excerpt":{"rendered":"
\u597d\u7684，\u6211\u4eec\u5c06\u7cfb\u7edf\u6027\u5730\u89e3\u6790 Spring Boot \u4e2d\u7684 AOP \u5207\u9762\u7f16\u7a0b，\u6db5\u76d6\u6838\u5fc3\u6982\u5ff5\u3001\u5b9e\u73b0\u6b65\u9aa4\u53ca\u5b9e\u6218\u6848\u4f8b\u3002\u4e00\u3001AOP \u6838\u5fc3\u6982\u5ff5AOP（Aspect-Oriented Programming）\u662f\u4e00\u79cd\u6a2a\u5411\u5207\u5272\u4ee3\u7801\u903b\u8f91\u7684\u7f16\u7a0b\u8303\u5f0f，\u7528\u4e8e\u89e3\u8026\u4e0e\u4e1a\u52a1\u65e0\u5173\u7684\u901a\u7528\u884c\u4e3a（\u5982\u65e5\u5fd7\u3001\u4e8b\u52a1\u3001\u6743\u9650\u6821\u9a8c）\u3002\u5176\u6838\u5fc3\u7ec4\u4ef6\u5305\u62ec：\u5207\u9762（Aspect）
\n\u5c01\u88c5\u6a2a\u5207\u903b\u8f91\u7684\u6a21\u5757&<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,190,100],"topic":[],"class_list":["post-64194","post","type-post","status-publish","format-standard","hentry","category-server","tag-java","tag-190","tag-100"],"yoast_head":"\n