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2.2.2、ssmm0-data
pom.xml
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <!-- 指定父模块 --> <parent> <groupId>com.xxx</groupId> <artifactId>ssmm0</artifactId> <version>1.0-SNAPSHOT</version> </parent> <groupId>com.xxx.ssmm0</groupId> <artifactId>ssmm0-data</artifactId> <name>ssmm0-data</name> <packaging>jar</packaging><!-- 只是作为其他模块使用的工具 --> <!-- 引入实际依赖 --> <dependencies> <!-- mysql --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <!-- 数据源 --> <dependency> <groupId>org.apache.tomcat</groupId> <artifactId>tomcat-jdbc</artifactId> </dependency> <!-- mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> </dependency> </dependencies> </project>
注意：<package>为jar
com.xxx.model.userManagement.Admin
package com.xxx.model.userManagement;
/**
* 管理员
*/
public class Admin {
private int id;
private String username;
private String password;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
com.xxx.mapper.userManagement.AdminMapper
package com.xxx.mapper.userManagement;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Result;
import org.apache.ibatis.annotations.Results;
import org.apache.ibatis.annotations.Select;
import com.xxx.model.userManagement.Admin;
/**
* 管理员Mapper
*/
public interface AdminMapper {
@Insert("INSERT INTO userinfo(username, password) VALUES(#{username},#{password})")
public int insertAdmin(Admin admin);
@Select("SELECT * FROM userinfo WHERE username = #{username} AND password = #{password}")
@Results(value = {
@Result(id = true, column = "id", property = "id"),
@Result(column = "username", property = "username"),
@Result(column = "password", property = "password") })
public Admin selectAdmin(@Param("username") String username,
@Param("password") String password);
}
com.xxx.dao.userManagement.AdminDao
package com.xxx.dao.userManagement;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import com.xxx.mapper.userManagement.AdminMapper;
import com.xxx.model.userManagement.Admin;
/**
* 管理员DAO
*/
@Repository
public class AdminDao {
@Autowired
private AdminMapper adminMapper;
public boolean register(Admin admin){
return adminMapper.insertAdmin(admin)==1?true:false;
}
public Admin login(String username ,String password){
return adminMapper.selectAdmin(username, password);
}
}
com.xxx.service.userManagement.AdminService
package com.xxx.service.userManagement;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.xxx.dao.userManagement.AdminDao;
import com.xxx.model.userManagement.Admin;
/**
* 管理员service
*/
@Service
public class AdminService {
@Autowired
private AdminDao adminDao;
public boolean register(Admin admin){
return adminDao.register(admin);
}
public Admin login(String username, String password) {
return adminDao.login(username, password);
}
}
代码很简单，与之前的基本一样，只是名字换了而已。
值得注意的是包名：com.xxx.mapper.userManagement而非com.xxx.userManagement.mapper。
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