{"id":41573,"date":"2025-06-03T23:27:13","date_gmt":"2025-06-03T15:27:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/41573.html"},"modified":"2025-06-03T23:27:13","modified_gmt":"2025-06-03T15:27:13","slug":"spring-boot-mybatis-%e5%ae%9e%e7%8e%b0%e7%9a%84%e7%ae%80%e5%8d%95%e7%94%a8%e6%88%b7%e7%ae%a1%e7%90%86%e9%a1%b9%e7%9b%ae%e7%9a%84%e5%ae%8c%e6%95%b4%e7%9b%ae%e5%bd%95%e7%bb%93%e6%9e%84%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/41573.html","title":{"rendered":"Spring Boot + MyBatis \u5b9e\u73b0\u7684\u7b80\u5355\u7528\u6237\u7ba1\u7406\u9879\u76ee\u7684\u5b8c\u6574\u76ee\u5f55\u7ed3\u6784\u793a\u4f8b"},"content":{"rendered":"

\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\n

📁 \u793a\u4f8b\u9879\u76ee\u7ed3\u6784（\u57fa\u4e8e Maven）<\/h4>\n

user-management\/
\n\u251c\u2500\u2500 src\/
\n\u2502 \u251c\u2500\u2500 main\/
\n\u2502 \u2502 \u251c\u2500\u2500 java\/
\n\u2502 \u2502 \u2502 \u2514\u2500\u2500 com\/example\/usermanagement\/
\n\u2502 \u2502 \u2502 \u251c\u2500\u2500 controller\/
\n\u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 UserController.java
\n\u2502 \u2502 \u2502 \u251c\u2500\u2500 service\/
\n\u2502 \u2502 \u2502 \u2502 \u251c\u2500\u2500 UserService.java
\n\u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 impl\/
\n\u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 UserServiceImpl.java
\n\u2502 \u2502 \u2502 \u251c\u2500\u2500 mapper\/
\n\u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 UserMapper.java
\n\u2502 \u2502 \u2502 \u251c\u2500\u2500 entity\/
\n\u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 User.java
\n\u2502 \u2502 \u2502 \u2514\u2500\u2500 UserManagementApplication.java
\n\u2502 \u2502 \u251c\u2500\u2500 resources\/
\n\u2502 \u2502 \u2502 \u251c\u2500\u2500 mapper\/
\n\u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 UserMapper.xml
\n\u2502 \u2502 \u2502 \u251c\u2500\u2500 application.yml
\n\u2502 \u2502 \u2502 \u2514\u2500\u2500 logback-spring.xml (\u53ef\u9009)
\n\u2502 \u2514\u2500\u2500 test\/
\n\u2502 \u2514\u2500\u2500 java\/
\n\u2502 \u2514\u2500\u2500 com\/example\/usermanagement\/
\n\u2502 \u2514\u2500\u2500 UserServiceTests.java
\n\u251c\u2500\u2500 pom.xml<\/p>\n

\n

\u5404\u90e8\u5206\u8bf4\u660e：<\/h3>\n

🧱 User.java（\u5b9e\u4f53\u7c7b）<\/h4>\n

package<\/span> com.<\/span>example.<\/span>usermanagement.<\/span>entity<\/span>;<\/span><\/p>\n

public<\/span> class<\/span> User<\/span> {<\/span>
\n private<\/span> Integer<\/span> id;<\/span>
\n private<\/span> String<\/span> name;<\/span>
\n private<\/span> String<\/span> email;<\/span><\/p>\n

\/\/ Getters & Setters<\/span>
\n}<\/span><\/p>\n

\n

🧩 UserMapper.java（Mapper \u63a5\u53e3）<\/h4>\n

package<\/span> com.<\/span>example.<\/span>usermanagement.<\/span>mapper<\/span>;<\/span><\/p>\n

import<\/span> com.<\/span>example.<\/span>usermanagement.<\/span>entity.<\/span><\/span>User<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>apache.<\/span>ibatis.<\/span>annotations.<\/span><\/span>Mapper<\/span><\/span>;<\/span><\/p>\n

import<\/span> java.<\/span>util.<\/span><\/span>List<\/span><\/span>;<\/span><\/p>\n

@Mapper<\/span>
\npublic<\/span> interface<\/span> UserMapper<\/span> {<\/span>
\n User<\/span> findById<\/span>(<\/span>Integer<\/span> id)<\/span>;<\/span>
\n List<\/span><<\/span>User<\/span>><\/span><\/span> findAll<\/span>(<\/span>)<\/span>;<\/span>
\n int<\/span> insert<\/span>(<\/span>User<\/span> user)<\/span>;<\/span>
\n int<\/span> update<\/span>(<\/span>User<\/span> user)<\/span>;<\/span>
\n int<\/span> deleteById<\/span>(<\/span>Integer<\/span> id)<\/span>;<\/span>
\n}<\/span><\/p>\n

\n

📄 UserMapper.xml（XML \u6620\u5c04\u6587\u4ef6）<\/h4>\n

<?xml version="1.0" encoding="UTF-8" ?><\/span>
\n<!<\/span>DOCTYPE<\/span> mapper<\/span>
\n PUBLIC<\/span> "-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN"<\/span>
\n "http:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd"<\/span>><\/span><\/span><\/p>\n

<<\/span>mapper<\/span> namespace<\/span>=<\/span>"<\/span>com.example.usermanagement.mapper.UserMapper"<\/span><\/span>><\/span><\/span><\/p>\n

<<\/span>select<\/span> id<\/span>=<\/span>"<\/span>findById"<\/span><\/span> resultType<\/span>=<\/span>"<\/span>com.example.usermanagement.entity.User"<\/span><\/span>><\/span><\/span>
\n SELECT * FROM user WHERE id = #{id}
\n <\/<\/span>select<\/span>><\/span><\/span><\/p>\n

<<\/span>select<\/span> id<\/span>=<\/span>"<\/span>findAll"<\/span><\/span> resultType<\/span>=<\/span>"<\/span>com.example.usermanagement.entity.User"<\/span><\/span>><\/span><\/span>
\n SELECT * FROM user
\n <\/<\/span>select<\/span>><\/span><\/span><\/p>\n

<<\/span>insert<\/span> id<\/span>=<\/span>"<\/span>insert"<\/span><\/span>><\/span><\/span>
\n INSERT INTO user(name, email) VALUES (#{name}, #{email})
\n <\/<\/span>insert<\/span>><\/span><\/span><\/p>\n

<<\/span>update<\/span> id<\/span>=<\/span>"<\/span>update"<\/span><\/span>><\/span><\/span>
\n UPDATE user SET name=#{name}, email=#{email} WHERE id=#{id}
\n <\/<\/span>update<\/span>><\/span><\/span><\/p>\n

<<\/span>delete<\/span> id<\/span>=<\/span>"<\/span>deleteById"<\/span><\/span>><\/span><\/span>
\n DELETE FROM user WHERE id=#{id}
\n <\/<\/span>delete<\/span>><\/span><\/span><\/p>\n

<\/<\/span>mapper<\/span>><\/span><\/span><\/p>\n

\n

🧠 UserService.java \u548c UserServiceImpl.java<\/h4>\n

public<\/span> interface<\/span> UserService<\/span> {<\/span>
\n User<\/span> getUserById<\/span>(<\/span>Integer<\/span> id)<\/span>;<\/span>
\n List<\/span><<\/span>User<\/span>><\/span><\/span> getAllUsers<\/span>(<\/span>)<\/span>;<\/span>
\n void<\/span> addUser<\/span>(<\/span>User<\/span> user)<\/span>;<\/span>
\n void<\/span> updateUser<\/span>(<\/span>User<\/span> user)<\/span>;<\/span>
\n void<\/span> deleteUser<\/span>(<\/span>Integer<\/span> id)<\/span>;<\/span>
\n}<\/span><\/p>\n

@Service<\/span>
\npublic<\/span> class<\/span> UserServiceImpl<\/span> implements<\/span> UserService<\/span> {<\/span><\/p>\n

@Autowired<\/span>
\n private<\/span> UserMapper<\/span> userMapper;<\/span><\/p>\n

public<\/span> User<\/span> getUserById<\/span>(<\/span>Integer<\/span> id)<\/span> {<\/span>
\n return<\/span> userMapper.<\/span>findById<\/span>(<\/span>id)<\/span>;<\/span>
\n }<\/span><\/p>\n

public<\/span> List<\/span><<\/span>User<\/span>><\/span><\/span> getAllUsers<\/span>(<\/span>)<\/span> {<\/span>
\n return<\/span> userMapper.<\/span>findAll<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

public<\/span> void<\/span> addUser<\/span>(<\/span>User<\/span> user)<\/span> {<\/span>
\n userMapper.<\/span>insert<\/span>(<\/span>user)<\/span>;<\/span>
\n }<\/span><\/p>\n

public<\/span> void<\/span> updateUser<\/span>(<\/span>User<\/span> user)<\/span> {<\/span>
\n userMapper.<\/span>update<\/span>(<\/span>user)<\/span>;<\/span>
\n }<\/span><\/p>\n

public<\/span> void<\/span> deleteUser<\/span>(<\/span>Integer<\/span> id)<\/span> {<\/span>
\n userMapper.<\/span>deleteById<\/span>(<\/span>id)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\n

🌐 UserController.java<\/h4>\n

@RestController<\/span>
\n@RequestMapping<\/span>(<\/span>"\/users"<\/span>)<\/span>
\npublic<\/span> class<\/span> UserController<\/span> {<\/span><\/p>\n

@Autowired<\/span>
\n private<\/span> UserService<\/span> userService;<\/span><\/p>\n

@GetMapping<\/span>(<\/span>"\/{id}"<\/span>)<\/span>
\n public<\/span> User<\/span> getUser<\/span>(<\/span>@PathVariable<\/span> Integer<\/span> id)<\/span> {<\/span>
\n return<\/span> userService.<\/span>getUserById<\/span>(<\/span>id)<\/span>;<\/span>
\n }<\/span><\/p>\n

@GetMapping<\/span>
\n public<\/span> List<\/span><<\/span>User<\/span>><\/span><\/span> getAllUsers<\/span>(<\/span>)<\/span> {<\/span>
\n return<\/span> userService.<\/span>getAllUsers<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

@PostMapping<\/span>
\n public<\/span> void<\/span> addUser<\/span>(<\/span>@RequestBody<\/span> User<\/span> user)<\/span> {<\/span>
\n userService.<\/span>addUser<\/span>(<\/span>user)<\/span>;<\/span>
\n }<\/span><\/p>\n

@PutMapping<\/span>
\n public<\/span> void<\/span> updateUser<\/span>(<\/span>@RequestBody<\/span> User<\/span> user)<\/span> {<\/span>
\n userService.<\/span>updateUser<\/span>(<\/span>user)<\/span>;<\/span>
\n }<\/span><\/p>\n

@DeleteMapping<\/span>(<\/span>"\/{id}"<\/span>)<\/span>
\n public<\/span> void<\/span> deleteUser<\/span>(<\/span>@PathVariable<\/span> Integer<\/span> id)<\/span> {<\/span>
\n userService.<\/span>deleteUser<\/span>(<\/span>id)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\n

\u2699\ufe0f application.yml<\/h4>\n

spring<\/span>:<\/span>
\n datasource<\/span>:<\/span>
\n url<\/span>:<\/span> jdbc:<\/span>mysql:<\/span>\/\/localhost:<\/span>3306\/user_db?<\/span>useSSL=false&serverTimezone=UTC<\/span>
\n username<\/span>:<\/span> root
\n password<\/span>:<\/span> yourpassword
\n driver-class-name<\/span>:<\/span> com.mysql.cj.jdbc.Driver<\/p>\n

mybatis<\/span>:<\/span>
\n mapper-locations<\/span>:<\/span> classpath:<\/span>mapper\/*.xml<\/span>
\n type-aliases-package<\/span>:<\/span> com.example.usermanagement.entity<\/p>\n

\n

🚀 UserManagementApplication.java<\/h4>\n

@SpringBootApplication<\/span>
\npublic<\/span> class<\/span> UserManagementApplication<\/span> {<\/span>
\n public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[<\/span>]<\/span> args)<\/span> {<\/span>
\n SpringApplication<\/span>.<\/span>run<\/span>(<\/span>UserManagementApplication<\/span>.<\/span>class<\/span>,<\/span> args)<\/span>;<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb372\u6b21\uff0c\u70b9\u8d5e5\u6b21\uff0c\u6536\u85cf2\u6b21\u3002\u672c\u6587\u5c55\u793a\u4e86\u4e00\u4e2a\u57fa\u4e8eSpring Boot\u548cMyBatis\u7684\u7528\u6237\u7ba1\u7406\u7cfb\u7edf\u9879\u76ee\u7ed3\u6784\u3002\u9879\u76ee\u91c7\u7528Maven\u6784\u5efa\uff0c\u5305\u542b\u5b8c\u6574\u7684\u5c42\u6b21\u67b6\u6784\uff1a\u5b9e\u4f53\u7c7b(User.java)\u3001Mapper\u63a5\u53e3\u53caXML\u6620\u5c04\u6587\u4ef6\u5b9e\u73b0\u6570\u636e\u5e93\u64cd\u4f5c\u3001\u670d\u52a1\u5c42\u63a5\u53e3\u53ca\u5b9e\u73b0\u7c7b(UserService)\u3001RESTful\u63a7\u5236\u5668(UserController)\u4ee5\u53ca\u914d\u7f6e\u6587\u4ef6(application.yml)\u3002\u7cfb\u7edf\u5b9e\u73b0\u4e86\u7528\u6237\u7684CRUD\u64cd\u4f5c\uff0c\u901a\u8fc7\u5206\u5c42\u8bbe\u8ba1\u5c06\u4e1a\u52a1\u903b\u8f91\u4e0e\u6570\u636e\u8bbf\u95ee\u5206\u79bb\uff0c\u5e76\u914d\u7f6e\u4e86MySQL\u6570\u636e\u5e93\u8fde\u63a5\u548cMyBatis\u6620\u5c04\u3002\u8be5\u7ed3\u6784\u4f53\u73b0\u4e86\u6807\u51c6\u7684Spring Boot\u5e94\u7528\u7ec4<\/p>\n","protected":false},"author":2,"featured_media":41572,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1769,98,292,3817],"topic":[],"class_list":["post-41573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-mybatis","tag-spring-boot","tag-292","tag-3817"],"yoast_head":"\nSpring Boot + MyBatis \u5b9e\u73b0\u7684\u7b80\u5355\u7528\u6237\u7ba1\u7406\u9879\u76ee\u7684\u5b8c\u6574\u76ee\u5f55\u7ed3\u6784\u793a\u4f8b - 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