{"id":8425,"date":"2023-11-28T20:27:44","date_gmt":"2023-11-28T12:27:44","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8425"},"modified":"2023-12-06T10:30:18","modified_gmt":"2023-12-06T02:30:18","slug":"springboot-ji-cheng-mybatis-de-guo-cheng","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/springboot-ji-cheng-mybatis-de-guo-cheng\/","title":{"rendered":"SpringBoot \u96c6\u6210 mybatis \u7684\u8fc7\u7a0b"},"content":{"rendered":"

\u96c6\u6210 MyBatis \u5230 Spring Boot \u9879\u76ee\u901a\u5e38\u9700\u8981\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \n\u6dfb\u52a0 MyBatis \u548c\u6570\u636e\u5e93\u9a71\u52a8\u4f9d\u8d56\uff1a<\/strong><\/p>\n
      \n
    • \u5728 pom.xml<\/code> \u6587\u4ef6\u4e2d\u6dfb\u52a0 MyBatis \u548c\u6570\u636e\u5e93\u9a71\u52a8\u7684\u4f9d\u8d56\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f MySQL \u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u6dfb\u52a0\u5982\u4e0b\u4f9d\u8d56\uff1a<\/li>\n<\/ul>\n
      <!-- MyBatis Starter -->\n<dependency>\n    <groupId>org.mybatis.spring.boot<\/groupId>\n    <artifactId>mybatis-spring-boot-starter<\/artifactId>\n    <version>2.2.0<\/version> <!-- \u4f7f\u7528\u6700\u65b0\u7248\u672c -->\n<\/dependency>\n\n<!-- MySQL \u6570\u636e\u5e93\u9a71\u52a8 -->\n<dependency>\n    <groupId>mysql<\/groupId>\n    <artifactId>mysql-connector-java<\/artifactId>\n    <version>8.0.26<\/version> <!-- \u4f7f\u7528\u6700\u65b0\u7248\u672c -->\n<\/dependency>\n<\/code><\/pre>\n
      \u4f60\u53ef\u4ee5\u6839\u636e\u4f60\u4f7f\u7528\u7684\u6570\u636e\u5e93\u7c7b\u578b\uff0c\u9009\u62e9\u5bf9\u5e94\u7684\u6570\u636e\u5e93\u9a71\u52a8\u3002\n<\/li>\n
    • \n\u914d\u7f6e\u6570\u636e\u6e90\u4fe1\u606f\uff1a<\/strong><\/p>\n
        \n
      • \u5728 application.properties<\/code> \u6216 application.yml<\/code> \u4e2d\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\uff0c\u5305\u62ec\u6570\u636e\u5e93URL\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002<\/li>\n<\/ul>\n
        spring.datasource.url=jdbc:mysql:\/\/localhost:3306\/your_database\nspring.datasource.username=your_username\nspring.datasource.password=your_password\n<\/code><\/pre>\n<\/li>\n
      • \n\u521b\u5efa MyBatis \u6620\u5c04\u6587\u4ef6\u548c\u5b9e\u4f53\u7c7b\uff1a<\/strong><\/p>\n
          \n
        • \u521b\u5efa MyBatis \u6620\u5c04\u6587\u4ef6\uff08XML\u6587\u4ef6\uff09\uff0c\u5b9a\u4e49 SQL \u67e5\u8be2\u3001\u66f4\u65b0\u7b49\u64cd\u4f5c\uff0c\u5e76\u521b\u5efa\u5bf9\u5e94\u7684\u5b9e\u4f53\u7c7b\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n
          <!-- \u5728 resources\/mapper \u76ee\u5f55\u4e0b\u521b\u5efa UserMapper.xml \u6587\u4ef6 -->\n<mapper namespace="com.example.mapper.UserMapper">\n    <select id="getUserById" resultType="com.example.model.User">\n        SELECT * FROM user WHERE id = #{id}\n    <\/select>\n<\/mapper>\n<\/code><\/pre>\n
          \/\/ \u5728 com.example.model \u5305\u4e0b\u521b\u5efa User \u7c7b\npublic class User {\n    private Long id;\n    private String username;\n    private String email;\n    \n    \/\/ \u7701\u7565 getter \u548c setter \u65b9\u6cd5\n}\n<\/code><\/pre>\n<\/li>\n
        • \n\u521b\u5efa MyBatis Mapper \u63a5\u53e3\uff1a<\/strong><\/p>\n
            \n
          • \u521b\u5efa\u4e00\u4e2a\u4e0e\u6620\u5c04\u6587\u4ef6\u5bf9\u5e94\u7684 Mapper \u63a5\u53e3\uff0c\u7528\u4e8e\u8c03\u7528 SQL \u67e5\u8be2\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ul>\n
            \/\/ \u5728 com.example.mapper \u5305\u4e0b\u521b\u5efa UserMapper \u63a5\u53e3\npublic interface UserMapper {\n    User getUserById(Long id);\n}\n<\/code><\/pre>\n<\/li>\n
          • \n\u914d\u7f6e MyBatis \u6620\u5c04\u6587\u4ef6\u548c Mapper \u63a5\u53e3\u7684\u626b\u63cf\uff1a<\/strong><\/p>\n
              \n
            • \u5728 Spring Boot \u5e94\u7528\u7684\u4e3b\u7c7b\u4e0a\u6dfb\u52a0 @MapperScan<\/code> \u6ce8\u89e3\uff0c\u7528\u4e8e\u626b\u63cf MyBatis \u6620\u5c04\u6587\u4ef6\u548c Mapper \u63a5\u53e3\u3002<\/li>\n<\/ul>\n
              import org.mybatis.spring.annotation.MapperScan;\nimport org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\n\n@SpringBootApplication\n@MapperScan("com.example.mapper") \/\/ \u6307\u5b9a Mapper \u63a5\u53e3\u7684\u626b\u63cf\u5305\npublic class MybatisApplication {\n\n    public static void main(String[] args) {\n        SpringApplication.run(MybatisApplication.class, args);\n    }\n}\n<\/code><\/pre>\n<\/li>\n
            • \n\u4f7f\u7528 MyBatis\uff1a<\/strong><\/p>\n
                \n
              • \u5728\u670d\u52a1\u7c7b\u4e2d\u6ce8\u5165 Mapper \u63a5\u53e3\uff0c\u5e76\u8c03\u7528\u5176\u4e2d\u7684\u65b9\u6cd5\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n
                import org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.stereotype.Service;\n\n@Service\npublic class UserService {\n\n    private final UserMapper userMapper;\n\n    @Autowired\n    public UserService(UserMapper userMapper) {\n        this.userMapper = userMapper;\n    }\n\n    public User getUserById(Long id) {\n        return userMapper.getUserById(id);\n    }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
                \u4ee5\u4e0a\u662f\u57fa\u672c\u7684 MyBatis \u96c6\u6210\u6d41\u7a0b\u3002\u4f60\u4e5f\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u8fdb\u884c\u914d\u7f6e\uff0c\u4f8b\u5982\u6dfb\u52a0\u4e8b\u52a1\u7ba1\u7406\u3001\u914d\u7f6e MyBatis \u7684\u63d2\u4ef6\u7b49\u3002\u786e\u4fdd\u5728 application.properties<\/code> \u6216 application.yml<\/code> \u4e2d\u914d\u7f6e\u597d MyBatis \u7684\u76f8\u5173\u914d\u7f6e\u9879\uff0cSpring Boot \u4f1a\u81ea\u52a8\u52a0\u8f7d\u5e76\u542f\u7528 MyBatis \u76f8\u5173\u7684\u529f\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                \u96c6\u6210 MyBatis \u5230 Spring Boot \u9879\u76ee\u901a\u5e38\u9700\u8981\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u6dfb\u52a0 MyBatis \u548c\u6570\u636e\u5e93\u9a71 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-8425","post","type-post","status-publish","format-standard","hentry","category-springboot"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=8425"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8425\/revisions"}],"predecessor-version":[{"id":16611,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8425\/revisions\/16611"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8425"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}