{"id":876,"date":"2021-03-22T15:02:00","date_gmt":"2021-03-22T07:02:00","guid":{"rendered":"http:\/\/www.langmanezhuang.com\/index.php\/2021\/03\/22\/springboot%e9%9b%86%e6%88%90mybatis\/"},"modified":"2021-03-22T15:02:00","modified_gmt":"2021-03-22T07:02:00","slug":"springboot%e9%9b%86%e6%88%90mybatis","status":"publish","type":"post","link":"http:\/\/blog.langmanezhuang.com\/index.php\/2021\/03\/22\/springboot%e9%9b%86%e6%88%90mybatis\/","title":{"rendered":"Springboot\u96c6\u6210Mybatis"},"content":{"rendered":"

MyBatis \u662f\u4e00\u6b3e\u4f18\u79c0\u7684\u6301\u4e45\u5c42\u6846\u67b6\uff0c\u5b83\u652f\u6301\u5b9a\u5236\u5316 SQL\u3001\u5b58\u50a8\u8fc7\u7a0b\u4ee5\u53ca\u9ad8\u7ea7\u6620\u5c04\u3002MyBatis \u907f\u514d\u4e86\u51e0\u4e4e\u6240\u6709\u7684 JDBC \u4ee3\u7801\u548c\u624b\u52a8\u8bbe\u7f6e\u53c2\u6570\u4ee5\u53ca\u83b7\u53d6\u7ed3\u679c\u96c6\u3002MyBatis \u53ef\u4ee5\u4f7f\u7528\u7b80\u5355\u7684 XML \u6216\u6ce8\u89e3\u6765\u914d\u7f6e\u548c\u6620\u5c04\u539f\u751f\u7c7b\u578b\u3001\u63a5\u53e3\u548c Java \u7684 POJO\uff08Plain Old Java Objects\uff0c\u666e\u901a\u8001\u5f0f Java \u5bf9\u8c61\uff09\u4e3a\u6570\u636e\u5e93\u4e2d\u7684\u8bb0\u5f55\u3002<\/p>\n

Mybatis\u67b6\u6784<\/p>\n

\"\"<\/p>\n

 <\/p>\n

 <\/p>\n

1. \u6dfb\u52a0maven \u4f9d\u8d56<\/p>\n

\n
<dependency>\n<groupId>org.mybatis.spring.boot<\/groupId>\n<artifactId>mybatis-spring-boot-starter<\/artifactId>\n<version>1.3.0<\/version>\n<\/dependency>\n<\/pre>\n<\/div>\n
2.\u6dfb\u52a0\u76f8\u5173\u914d\u7f6e\u6587\u4ef6\uff08\u6570\u636e\u5e93\u94fe\u63a5\u7b49\u76f8\u5173\u914d\u7f6e\uff09<\/p>\n
 <\/p>\n
\u4e00\u3001\u65e0\u914d\u7f6e\u6587\u4ef6\u6ce8\u89e3\u7248<\/p>\n
1.\u5728\u542f\u52a8\u7c7b\u4e2d\u6dfb\u52a0\u5bf9mapper\u5305\u626b\u63cf@MapperScan\uff08\u6216\u8005\u76f4\u63a5\u5728Mapper\u7c7b\u4e0a\u9762\u6dfb\u52a0\u6ce8\u89e3@Mapper,\u5efa\u8bae\u4f7f\u7528\u4e0a\u9762\u90a3\u79cd\uff09<\/p>\n
\"\"<\/p>\n
 <\/p>\n
 2.\u5f00\u53d1Mapper<\/p>\n
\n
#{} \u53ea\u662f\u66ff\u6362\uff0c\u76f8\u5f53\u4e8ePreparedStatement\u4f7f\u7528\u5360\u4f4d\u7b26\u53bb\u66ff\u6362\u53c2\u6570\uff0c\u53ef\u4ee5\u9632\u6b62sql\u6ce8\u5165\u3002 ${} \u662f\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u76f8\u5f53\u4e8esql\u8bed\u53e5\u4e2d\u7684Statement\uff0c\u4f7f\u7528\u5b57\u7b26\u4e32\u53bb\u62fc\u63a5sql\uff1b$\u53ef\u4ee5\u662fsql\u4e2d\u7684\u4efb\u4e00\u90e8\u5206\u4f20\u5165\u5230Statement\u4e2d\uff0c\u4e0d\u80fd\u9632\u6b62sql\u6ce8\u5165\u3002\uff08\u6bd4\u5982\u8bf4\u6211\u4eec\u7684\u5165\u53c2\u662f\u8868\u540d\u7684\u65f6\u5019\uff0c\u4f7f\u7528${}\uff09

<\/pre>\n
    @Select \u662f\u67e5\u8be2\u7c7b\u7684\u6ce8\u89e3\uff0c\u6240\u6709\u7684\u67e5\u8be2\u5747\u4f7f\u7528\u8fd9\u4e2a
    @Result \u4fee\u9970\u8fd4\u56de\u7684\u7ed3\u679c\u96c6\uff0c\u5173\u8054\u5b9e\u4f53\u7c7b\u5c5e\u6027\u548c\u6570\u636e\u5e93\u5b57\u6bb5\u4e00\u4e00\u5bf9\u5e94\uff0c\u5982\u679c\u5b9e\u4f53\u7c7b\u5c5e\u6027\u548c\u6570\u636e\u5e93\u5c5e\u6027\u540d\u4fdd\u6301\u4e00\u81f4\uff0c\u5c31\u4e0d\u9700\u8981\u8fd9\u4e2a\u5c5e\u6027\u6765\u4fee\u9970\u3002<\/p>\n
    @Insert \u63d2\u5165\u6570\u636e\u5e93\u4f7f\u7528\uff0c\u76f4\u63a5\u4f20\u5165\u5b9e\u4f53\u7c7b\u4f1a\u81ea\u52a8\u89e3\u6790\u5c5e\u6027\u5230\u5bf9\u5e94\u7684\u503c
    @Update \u8d1f\u8d23\u4fee\u6539\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f20\u5165\u5bf9\u8c61@delete \u8d1f\u8d23\u5220\u9664<\/p>\n<\/div>\n
 <\/p>\n
\n
package com.qyc.Microservice.mapper;\n\nimport org.apache.ibatis.annotations.Delete;\nimport org.apache.ibatis.annotations.Insert;\nimport org.apache.ibatis.annotations.Select;\nimport org.apache.ibatis.annotations.Update;\n\nimport com.qyc.Microservice.dto.User;\n\npublic interface UserMapper {\n\n\t@Insert(\"insert into user(age,name,password,sex) values (#{age},#{name},#{password},#{sex})\")\n\tpublic void insert(User user);\n\t\n\t@Update(\"update user set name=#{name},age=#{age},password=#{password},sex=#{sex} where id=#{id}\")\n\tpublic int update(User user);\n\t\n\t@Delete(\"delete from user where id=#{id}\")\n\tpublic int delete(User user);\n\t\n\t@Select(\"select * from user where name = #{name} and password =#{password}\")\n\tpublic User select(User user);\n}\n<\/pre>\n<\/div>\n
\u3000\u3000<\/p>\n
\n
\t@Test\n\tpublic void userSave() {\n\t\tUser user = new User();\n\t\tuser.setName(\"aa11a\");\n\t\tuser.setAge(20);\n\t\tuser.setSex(0);\n\t\tuser.setPassword(\"alsdja\");\n\t\t\n\t\tuserService.saveMapper(user);\n\t}\n<\/pre>\n<\/div>\n
\u3000\u3000<\/p>\n
\u4e8c\u3001\u914d\u7f6e\u6587\u4ef6\u7248<\/p>\n
1 . pom\u6587\u4ef6\u548c\u4e0a\u4e2a\u7248\u672c\u4e00\u6837\uff0c\u53ea\u662fapplication.properties\u65b0\u589e\u4ee5\u4e0b\u914d\u7f6e
mybatis.config-locations=classpath:mybatis\/mybatis-config.xml(\u53ef\u9009)
mybatis.mapper-locations=classpath:mybatis\/mapper\/*.xml<\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
MyBatis \u662f\u4e00\u6b3e\u4f18\u79c0\u7684\u6301\u4e45\u5c42\u6846\u67b6\uff0c\u5b83\u652f\u6301\u5b9a\u5236\u5316 SQL\u3001\u5b58\u50a8\u8fc7\u7a0b\u4ee5\u53ca\u9ad8\u7ea7\u6620\u5c04\u3002MyBatis \u907f\u514d\u4e86\u51e0\u4e4e … \u7ee7\u7eed\u9605\u8bfb Springboot\u96c6\u6210Mybatis<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/posts\/876"}],"collection":[{"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/comments?post=876"}],"version-history":[{"count":0,"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/posts\/876\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/media?parent=876"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/categories?post=876"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.langmanezhuang.com\/index.php\/wp-json\/wp\/v2\/tags?post=876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}