日期:2014-05-16 浏览次数:20769 次
这个登录例子用的工具是myeclipse8.6+mysql5.1,使用到的技术有spring3.0+mybatis3.2.3+mybatis-spring-1.1.1(这个是spring跟mybatis整合的包),项目的整体结构如图:
现在我们要做的就是在myeclipse工具里新建一个web项目,并且添加spring 支持,不懂的朋友可以查看http://blog.csdn.net/ooliuyunoo/article/details/19908661
项目新建完之后我们就把项目分次序把项目新建起来:
1: 新建vo类,代码如下:
package com.li.vo; public class UserVO { private int id; private String name; private String pwd; public UserVO(){} public void setPwd(String pwd) { this.pwd = pwd; } public String getPwd() { return pwd; } public void setName(String name) { this.name = name; } public String getName() { return name; } public void setId(int id) { this.id = id; } public int getId() { return id; } }
2: 新建UserDaoIMP接口:
package com.li.IMP; import com.li.vo.UserVO; public interface UserDaoIMP { public UserVO selectUser(UserVO uservo); public int insertUser(UserVO uservo); public int updaqteUser(UserVO uservo); public int deleteUserById(int user_id); }
3: 新建UserDaoIMP.xml配置文件:
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.li.IMP.UserDaoIMP"> <select id="selectUser" parameterType="com.li.vo.UserVO" resultType="com.li.vo.UserVO"> select * from user where name=#{name} and pwd=#{pwd} </select> <insert id="insertUser" parameterType="com.li.vo.UserVO" flushCache="true"> insert into user(name,pwd) values(#{name},#{pwd}) </insert> <update id="updateUser" parameterType="com.li.vo.UserVO"> update user set name=#{name} where id=#{id} </update> <delete id="deleteUser" parameterType="int"> delete from user where id=#{id} </delete> </mapper>
4:新建UserServiceIMP服务接口:
package com.li.service; import com.li.vo.UserVO; public interface UserServiceIMP { public UserVO selectUser(UserVO uservo); public int insertUser(UserVO uservo); public int updaqteUser(UserVO uservo); public int deleteUserById(int user_id); }
5:新建UserService继承服务接口:
package com.li.service; import com.li.IMP.UserDaoIMP; import com.li.vo.UserVO; public class UserService implements UserServiceIMP { private UserDaoIMP userdao; public int deleteUserById(int userId) {