企业项目开发--企业中的项目架构以及多环境分配

Posted 2021-01-28 zyfd

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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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