{"id":1997,"date":"2021-02-24T13:49:34","date_gmt":"2021-02-24T05:49:34","guid":{"rendered":"https:\/\/www.yusian.com\/blog\/?p=1997"},"modified":"2021-02-24T13:53:32","modified_gmt":"2021-02-24T05:53:32","slug":"spring%e6%95%b4%e5%90%88mybatis%e7%9a%84%e7%ae%80%e5%8d%95%e7%a4%ba%e4%be%8b%e6%b3%a8%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.yusian.com\/blog\/java\/2021\/02\/24\/1349341997.html","title":{"rendered":"Spring\u6574\u5408Mybatis\u7684\u7b80\u5355\u793a\u4f8b(\u6ce8\u89e3)"},"content":{"rendered":"

\u53c2\u8003\u94fe\u63a5\uff1aSpring\u6574\u5408Mybatis\u7684\u7b80\u5355\u793a\u4f8b(\u914d\u7f6e\u6587\u4ef6)<\/a><\/p>\n

1\u3001\u521b\u5efa\u6570\u636e\u5e93\u8868<\/h1>\n
CREATE TABLE `t_user` (\n  `id` int(11) NOT NULL AUTO_INCREMENT,\n  `username` varchar(12) DEFAULT NULL,\n  `password` varchar(12) DEFAULT NULL,\n  PRIMARY KEY (`id`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8\n<\/code><\/pre>\n
2\u3001\u5b9e\u4f53\u7c7b\u3001DAO\u63a5\u53e3<\/h1>\n
\n  User.java\n<\/p><\/blockquote>\n
package com.yusian.entity;\n\nimport java.io.Serializable;\n\npublic class User implements Serializable {\n    private Integer id;\n    private String username;\n    private String password;\n\n    public User(String username, String password) {\n        this.username = username;\n        this.password = password;\n    }\n\n    public Integer getId() {\n        return id;\n    }\n\n    public void setId(Integer id) {\n        this.id = id;\n    }\n\n    public String getUsername() {\n        return username;\n    }\n\n    public void setUsername(String username) {\n        this.username = username;\n    }\n\n    public String getPassword() {\n        return password;\n    }\n\n    public void setPassword(String password) {\n        this.password = password;\n    }\n\n    @Override\n    public String toString() {\n        return \"User{\" +\n                \"id=\" + id +\n                \", username='\" + username + '\\'' +\n                \", password='\" + password + '\\'' +\n                '}';\n    }\n}\n\n<\/code><\/pre>\n
\n  UserDao.java\n<\/p><\/blockquote>\n
package com.yusian.dao;\n\nimport com.yusian.entity.User;\n\npublic interface UserDao {\n\n    \/**\n     * \u4fdd\u5b58\u7528\u6237\u4fe1\u606f\n     * @param user\n     *\/\n    void saveUser(User user);\n}\n\n<\/code><\/pre>\n
3\u3001Mapper\u53ca\u6570\u636e\u76f8\u5173\u5c5e\u6027<\/h1>\n
\n  UserDaoMapper.xml\n<\/p><\/blockquote>\n
<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n<!DOCTYPE mapper\n        PUBLIC \"-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN\"\n        \"http:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd\">\n<mapper namespace=\"com.yusian.dao.UserDao\">\n    <insert id=\"saveUser\" parameterType=\"User\">\n        insert into t_user(username, password) values(#{username}, #{password})\n    <\/insert>\n\n    <select id=\"getUsers\" resultType=\"User\">\n        select * from t_user\n    <\/select>\n<\/mapper>\n<\/code><\/pre>\n
\n  mybatis.properties\n<\/p><\/blockquote>\n
mybatis.driverClassName = com.mysql.jdbc.Driver\nmybatis.url = jdbc:mysql:\/\/example.com\/spring?useSSL=false\nmybatis.username = root\nmybatis.password = ******\nmybatis.typeAliasPackage = com.yusian.entity\nmybatis.mapperLocations = com\/yusian\/mapper\/*Mapper.xml\n<\/code><\/pre>\n
\n  MybatisProperties.java\n<\/p><\/blockquote>\n
package com.yusian.entity;\n\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.context.annotation.PropertySource;\nimport org.springframework.stereotype.Repository;\n\n@Repository\n@PropertySource(\"mybatis.properties\")\npublic class MybatisProperties {\n    @Value(\"${mybatis.driverClassName}\")\n    private String driverClassName;\n    @Value(\"${mybatis.url}\")\n    private String url;\n    @Value(\"${mybatis.username}\")\n    private String username;\n    @Value(\"${mybatis.password}\")\n    private String password;\n    @Value(\"${mybatis.typeAliasPackage}\")\n    private String typeAliasPackage;\n    @Value(\"${mybatis.mapperLocations}\")\n    private String mapperLocations;\n\n    public String getDriverClassName() {\n        return driverClassName;\n    }\n\n    public void setDriverClassName(String driverClassName) {\n        this.driverClassName = driverClassName;\n    }\n\n    public String getUrl() {\n        return url;\n    }\n\n    public void setUrl(String url) {\n        this.url = url;\n    }\n\n    public String getUsername() {\n        return username;\n    }\n\n    public void setUsername(String username) {\n        this.username = username;\n    }\n\n    public String getPassword() {\n        return password;\n    }\n\n    public void setPassword(String password) {\n        this.password = password;\n    }\n\n    public String getTypeAliasPackage() {\n        return typeAliasPackage;\n    }\n\n    public void setTypeAliasPackage(String typeAliasPackage) {\n        this.typeAliasPackage = typeAliasPackage;\n    }\n\n    public String getMapperLocations() {\n        return mapperLocations;\n    }\n\n    public void setMapperLocations(String mapperLocations) {\n        this.mapperLocations = mapperLocations;\n    }\n}\n\n<\/code><\/pre>\n
4\u3001Spring\u5de5\u5382\u7684\u6ce8\u89e3\u914d\u7f6e\u7c7b<\/h1>\n
\n  AppConfig.java\n<\/p><\/blockquote>\n
package com.yusian.config;\n\nimport com.alibaba.druid.pool.DruidDataSource;\nimport com.yusian.entity.MybatisProperties;\nimport org.mybatis.spring.SqlSessionFactoryBean;\nimport org.mybatis.spring.annotation.MapperScan;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.ComponentScan;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.core.io.Resource;\nimport org.springframework.core.io.support.PathMatchingResourcePatternResolver;\nimport org.springframework.core.io.support.ResourcePatternResolver;\n\nimport javax.sql.DataSource;\n\n@Configuration  \/\/ Spring\u6ce8\u89e3\u914d\u7f6e\u6587\u4ef6\n@MapperScan(\"com.yusian.dao\")   \/\/ Mapper\u626b\u63cf\uff0c\u7b49\u6548\u4e8exml\u914d\u7f6e\u4e2d\u52a0\u8f7dMapperScannerConfigure\n@ComponentScan(\"com.yusian.entity\") \/\/ \u5b9e\u4f53\u7c7b\u626b\u63cf\uff0c\u751f\u6210mybatisProperties\u5bf9\u8c61\npublic class AppConfig {\n\n    @Autowired\n    private MybatisProperties mybatisProperties;\n\n    @Bean\n    public DataSource dataSource() {\n        DruidDataSource dataSource = new DruidDataSource();\n        dataSource.setDriverClassName(mybatisProperties.getDriverClassName());\n        dataSource.setUrl(mybatisProperties.getUrl());\n        dataSource.setUsername(mybatisProperties.getUsername());\n        dataSource.setPassword(mybatisProperties.getPassword());\n        return dataSource;\n    }\n\n    @Bean\n    public SqlSessionFactoryBean sqlSessionFactoryBean(DataSource dataSource) throws Exception{\n        SqlSessionFactoryBean bean = new SqlSessionFactoryBean();\n        bean.setDataSource(dataSource);\n        bean.setTypeAliasesPackage(mybatisProperties.getTypeAliasPackage());\n        \/\/ \u901a\u914d\u8def\u5f84\uff0c\u83b7\u53d6\u4e00\u7ec4\u8d44\u6e90\u5bf9\u8c61\n        ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();\n        Resource[] resources = resolver.getResources(mybatisProperties.getMapperLocations());\n        bean.setMapperLocations(resources);\n        return bean;\n    }\n}\n\n<\/code><\/pre>\n
5\u3001\u6d4b\u8bd5<\/h1>\n
ApplicationContext ctx = new AnnotationConfigApplicationContext(AppConfig.class);\nUserDao userDao = (UserDao) ctx.getBean(\"userDao\");\nuserDao.saveUser(new User(\"Annotation\", \"10010\"));\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u53c2\u8003\u94fe\u63a5\uff1aSpring\u6574\u5408Mybatis\u7684\u7b80\u5355\u793a\u4f8b(\u914d\u7f6e\u6587\u4ef6) 1\u3001\u521b\u5efa\u6570\u636e\u5e93\u8868 CREATE TABLE `t_user` ( `id` int(11) NOT NULL AUTO_INCREMENT, `username` varchar(12) DEFAULT NULL, `password` varchar(12) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 2\u3001\u5b9e\u4f53\u7c7b\u3001DAO\u63a5\u53e3 User.java package com.yusian.entity; import java.io.Serializable; public class User implements Serializable { private Integer id; private String username; private String password; public User(String username, String password) { this.username = […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[355,344,347],"class_list":["post-1997","post","type-post","status-publish","format-standard","hentry","category-java","tag-annotation","tag-mybatis","tag-spring"],"_links":{"self":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/1997","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/comments?post=1997"}],"version-history":[{"count":0,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/posts\/1997\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/media?parent=1997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/categories?post=1997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yusian.com\/blog\/wp-json\/wp\/v2\/tags?post=1997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}