bootsharp+springmvc+ibatis+mysql(2)
controller(控制器UserController)
package com.ninemax.user.controller;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URLDecoder;
import java.util.List;
import java.util.Map;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import com.ninemax.user.model.User;
import com.ninemax.user.service.UserService;
/**
* controller
*
* @author Darker
*
*/
@Controller
@RequestMapping("/user")
public class UserController {
@Resource
private UserService userservice;
/**
* 更新用户操作
*
* @param user
* 用户对象
* @param req
* @param rep
*/
@RequestMapping("/update")
public void update(User user, HttpServletRequest req,
HttpServletResponse rep) {
try {
rep.setContentType("text/html;charset=UTF-8");
// 获得输出流
OutputStream printWriter = null;
printWriter = rep.getOutputStream();
// 对字符串进行转码操作
User newuser = null;
// 转码字符串 ，防止乱码
newuser = new User(Integer.parseInt(URLDecoder.decode(user
.getUserId().toString(), "utf-8")), URLDecoder.decode(
user.getUserName(), "utf-8"), URLDecoder.decode(
user.getAge(), "utf-8"), URLDecoder.decode(user.getFlag(),
"utf-8"));
userservice.update(newuser);
printWriter.write("su".getBytes());
//关闭链接
printWriter.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 初始化界面
*
* @return
*/
@RequestMapping("/index")
public String toIndex(HttpServletRequest req, HttpServletResponse rep) {
// 查找集合
List<User> users = userservice.getAllUsers();
// 获得总条数
int count = users.size();
// 分页
List<Map<String, Integer>> pageList = userservice.queryCount(count);
// 放入作用域中
req.setAttribute("userlist", users);
req.setAttribute("pageList", pageList);
req.setAttribute("sumPage", count / 4 == 0 ? 1 : (count / 4) + 1);
req.setAttribute("sumTotal", count);
return "Index";
}
/**
* 进入添加界面
*
* @return
*/
@RequestMapping("/toadd")
public String toAdd() {
return "add";
}
/**
* 初始化更新界面
*
* @param req
* @param id
* @return
*/
@RequestMapping("/toUpdate")
public String toUpdate(HttpServletRequest req, Integer id) {
// 查找要更新的数据
User user = userservice.getUsrById(id);
// 放入作用域
req.setAttribute("user", user);
return "Userinfo";
}
/**
* 删除操作
*
* @param req
* 请求
* @param id
* 删除的id
* @param rep
* 响应
* @return
*/
@RequestMapping("/del")
public String del(HttpServletRequest req, Integer id,
HttpServletResponse rep) {
// 删除对应的数据库数据
userservice.delUser(id);
// 获取数据集合
List<User> users = userservice.getAllUsers();
// 放入作用域
req.setAttribute("userlist", users);
return "Index";
}
/**
* 假删除
*
* @param req
* 请求
* @param id
* 删除的id
* @param rep
* 响应
* @return
*/
@RequestMapping("/falseDel")
public void falseDel(Integer id, HttpServletResponse rep) {
try {
// 删除对应的数据库数据
userservice.falseDel(id);
// 设置ajax返回类型
rep.setContentType("text/html;charset=UTF-8");
// 得到输出流
OutputStream printWriter = rep.getOutputStream();
// 输出提示信息
printWriter.write("success".getBytes());
//关闭链接
printWriter.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* 添加操作
*
* @param name
* 用户名
* @param age
* 年龄
* @param rep
* 响应
*/
@RequestMapping("/add")
public void add(String name, String age, String flag,
HttpServletResponse rep) {
try {
// 设置ajax的返回类型
rep.setContentType("text/html;charset=UTF-8");
// 获得输出流
OutputStream printWriter = null;
// ʵ实例化输出流
printWriter = rep.getOutputStream();
User user = null;
user = new User(null, URLDecoder.decode(name, "utf-8"),
URLDecoder.decode(age, "utf-8"), URLDecoder.decode(flag,
"utf-8"));
userservice.addUser(user);
// 提示信息
printWriter.write("su".getBytes());
//关闭链接
printWriter.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
service(接口UserService)
package com.ninemax.user.service;
import java.util.List;
import java.util.Map;
import com.ninemax.user.model.User;
public interface UserService {
/**
* 添加用户操作
*
* @param user
* 用户
*/
public void addUser(User user);
/**
* 用户集合
*
* @return 集合类型
*/
public List<User> getAllUsers();
/**
* ͨ根据用户iD查询
*
* @param id
* @return user
*/
public User getUsrById(Integer UserId);
/**
* ɾ删除用户
*
* @param userId
*/
public void delUser(Integer user);
/**
* 更新用户
*
* @param user
*/
public void update(User user);
/**
* 分页
* @param count 总条数
* @return
*/
public List<Map<String,Integer>> queryCount(int count);
/**
* 非物理删除
*
* @param user
*/
public void falseDel(int id);
}
serviceImpl(实现类UserServiceImpl)
package com.ninemax.user.service.impl;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.ibatis.sqlmap.client.SqlMapClient;
import com.ninemax.user.model.User;
import com.ninemax.user.service.UserService;
@Service
@Transactional
public class UserServiceImpl implements UserService{
@Resource
private SqlMapClient sqlMapClient;
@Override
public void addUser(User user) {
try {
sqlMapClient.insert("adduser", user);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@SuppressWarnings("unchecked")
@Override
public List<User> getAllUsers() {
List<User> users=null;
try {
users=sqlMapClient.queryForList("selall",-1);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return users;
}
@Override
public User getUsrById(Integer UserId) {
User user=null;
try {
user=(User) sqlMapClient.queryForObject("selById", UserId);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return user;
}
@Override
public void delUser(Integer user) {
try {
sqlMapClient.delete("del", user);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@Override
public void update(User user) {
try {
sqlMapClient.update("update", user);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// 分页
@Override
public List<Map<String,Integer>> queryCount(int count) {
// TODO Auto-generated method stub
// 存放分页信息
Map<String,Integer> map = new HashMap<String,Integer>();
// 存放分页集合
List<Map<String,Integer>> list= new ArrayList<Map<String,Integer>>();
// 存放信息
// 1.每页显示的条数
map.put("visiblePages", 10);
// 2.当前页
map.put("currentPage", 1);
// 3.总页数
map.put("totalPages", count/4==0?1:(count/4)+1);
// 存放集合
list.add(map);
return list;
}
//假删除
@Override
public void falseDel(int id) {
// TODO Auto-generated method stub
try {
Map<String,Integer> map = new HashMap<String,Integer> ();
map.put("userId", id);
map.put("flag", -1);
sqlMapClient.update("falseDel",map);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
model(实体类User)
package com.ninemax.user.model;
public class User {
private Integer userId;
private String userName;
private String age;
private String flag;
public User() {
}
public User(Integer userId, String userName, String age, String flag) {
this.userId = userId;
this.userName = userName;
this.age = age;
this.flag = flag;
}
public Integer getUserId() {
return userId;
}
public void setUserId(Integer userId) {
this.userId = userId;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getFlag() {
return flag;
}
public void setFlag(String flag) {
this.flag = flag;
}
}
model的映射文件(User-config.xml)
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd"> <sqlMap namespace="User"> <typeAlias alias="User" type="com.ninemax.user.model.User" /> <resultMap id="UserResult" class="User"> <result property="userId" column="userId" /> <result property="userName" column="userName" /> <result property="age" column="age" /> </resultMap> <insert id="adduser" parameterClass="User"> insert user(userId,userName,age,flag) values(#userId#,#userName#,#age#,#flag#) </insert> <select id="selall" parameterClass="int" resultClass="User"> select * from user where flag!=#flag# </select> <select id="selById" parameterClass="int" resultClass="User"> select * from user where userId=#userId# </select> <!-- 查询数据条数 --> <select id="selCount" resultClass="int"> select count(1) from user </select> <delete id="del" parameterClass="int"> delete from user where userId=#userId# </delete> <update id="update" parameterClass="User"> update user set userName=#userName#, age=#age# where userId=#userId# </update> <!-- 假删除 --> <update id="falseDel" parameterClass="java.util.HashMap" > update user set flag=#flag# where userId=#userId# </update> </sqlMap>
博主的基础群:260052172(菜鸟的天堂,大神莫入)