您的位置：首页 > 其它

使用SSM框架实现登录、注册、分页和增删改操作

2019-05-05 22:08 519 查看

1. applicaltion.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">

<!-- 配置数据源 -->
<import resource="spring-db.xml"/>
<!-- 事务管理器 -->
<import resource="spring-tx.xml"/>
<!-- Mapper代理开发(基于MapperScannerConfigurer) -->
<import resource="spring-dao.xml"/>
</beans>

2. db.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/ssm_db
jdbc.username=root
jdbc.password=123456
jdbc.minIdle=3
jdbc.maxActive=20
jdbc.initialSize=3
jdbc.maxWait=10000

3. log4j.properties

# Global logging configuration
log4j.rootLogger=ERROR, stdout
# MyBatis logging configuration...
log4j.logger.com.xin=TRACE
# Console output...
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n

4. mybatis-config.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<typeAliases>
<!-- 取别名 -->
<package name="com.xin.po"/>
</typeAliases>
</configuration>

5. spring-dao.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">

<!-- Mapper代理开发(基于MapperScannerConfigurer) -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.xin.dao"></property>
</bean>
</beans>

6. spring-db.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">

<!-- 读取db.propertis -->
<context:property-placeholder location="classpath:db.properties"/>
<!-- 配置数据源 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
<!-- 数据库驱动 -->
<property name="driverClassName" value="${jdbc.driver}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="minIdle" value="${jdbc.minIdle}" />
<property name="maxActive" value="${jdbc.maxActive}" />
<property name="initialSize" value="${jdbc.initialSize}" />
<property name="maxWait" value="${jdbc.maxWait}" />
</bean>
<!-- 配置 Mybatis SqlSessionFactory -->
<bean  class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
<property name="dataSource" ref="dataSource"></property>
<property name="mapperLocations" value="classpath:com/xin/mapper/*.xml"></property>
</bean>
</beans>

7.*

spring-tx.xml

![在这里插入图片描述](https://img-blog.csdnimg.cn/20190505211338378.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L1dpbnNvbTE=,size_16,color_FFFFFF,t_70)
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">

<!-- 事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 开启事务扫描 -->
<tx:annotation-driven transaction-manager="transactionManager" />
<!-- 开启扫描 Service对象创建 -->
<context:component-scan base-package="com.xin"/>
</beans>

8. springmvc-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">

<!-- 配置包扫描，扫描@Controller 注解标注类-->
<context:component-scan base-package="com.xin.controller"/>
<!-- 配置注解驱动 基于注解式处理器映射器和处理器适配器 -->
<mvc:annotation-driven/>
<!-- 视图解析器 -->
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 设置前缀 -->
<property name="prefix" value="/WEB-INF/jsp/"></property>
<!-- 设置后缀 -->
<property name="suffix" value=".jsp"></property>
</bean>
</beans>

9. web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
<!-- 配置加载Spring 文件监听器 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<servlet>
<!--SpringMVC 前端控制器 -->
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!-- 初始化加载配置文件 -->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc-config.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 配置拦截器 (编码过滤器)设置post提交编码格式 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>utf-8</param-value>
</init-param>

</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

</web-app>

10.User实体类

package com.xin.po;

public class User {
private Integer user_id;
private String user_name;
private String password;
private Integer user_age;
public Integer getUser_id() {
return user_id;
}
public void setUser_id(Integer user_id) {
this.user_id = user_id;
}
public String getUser_name() {
return user_name;
}
public void setUser_name(String user_name) {
this.user_name = user_name;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public Integer getUser_age() {
return user_age;
}
public void setUser_age(Integer user_age) {
this.user_age = user_age;
}
@Override
public String toString() {
return "User [user_id=" + user_id + ", user_name=" + user_name
+ ", password=" + password + ", user_age=" + user_age + "]";
}

}

11.page实体类

package com.xin.po;

import java.util.List;

public class page<T> {
private int currPage;//当前页数
private int pageSize;//每页显示的记录数
private int totalCount;//总记录数
private int totalPage;//总页数
private List<User> lists;//每页的显示的数据
public int getCurrPage() {
return currPage;
}
public void setCurrPage(int currPage) {
this.currPage = currPage;
}
public int getPageSize() {
return pageSize;
}
public void setPageSize(int pageSize) {
this.pageSize = pageSize;
}
public int getTotalCount() {
return totalCount;
}
public void setTotalCount(int totalCount) {
this.totalCount = totalCount;
}
public int getTotalPage() {
return totalPage;
}
public void setTotalPage(int totalPage) {
this.totalPage = totalPage;
}
public List<User> getLists() {
return lists;
}
public void setLists(List<User> lists) {
this.lists = lists;
}
@Override
public String toString() {
return "page [currPage=" + currPage + ", pageSize=" + pageSize
+ ", totalCount=" + totalCount + ", totalPage=" + totalPage
+ ", lists=" + lists + "]";
}

}

12.UserDao接口

package com.xin.dao;

import java.util.HashMap;
import java.util.List;

import com.xin.po.User;
import com.xin.po.page;

public interface UserDao {
/***
* 根据编号查询客户信息
* @param id 用户编号
* @return 客户信息
*/
public List<User> list();//查询所有
public User get(Integer id);//查询单条
public User getLogin(User user);//登录页
public Integer delete(Integer id);// 删除
public Integer update(User user); // 修改
public Integer add(User user);// 添加
// 查询用户记录总数
public int getUserCount(page p);
/**
* 查询用户记录总数
* @return
*/
int selectCount();

//分页操作，调用findByPage limit分页方法
public List<User> findByPage(HashMap<String,Object> map);
//page<User> findByPage(int currentPage);
}

13.UserService接口

package com.xin.service;
import java.util.List;

import com.xin.po.User;
import com.xin.po.page;

public interface UserService {
public List<User> list();//查询所有
public User get(Integer id);//查询单条
public Integer delete(Integer id);// 删除
public Integer update(User user); // 修改
public Integer add(User user);// 添加
public User getLogin(User user);//登录页
public Integer getUserCount(page p);
/**
* 查询用户记录总数
* @return
*/
int selectCount();

//分页操作，调用findByPage limit分页方法
public  page<User> findByPage(int currentPage);
//List<User> findByPage(HashMap<String, Object> map);
}

## 14.UserServiceImpl实现接口
package com.xin.service.impl;

import java.util.HashMap;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.xin.dao.UserDao;
import com.xin.po.User;
import com.xin.po.page;
import com.xin.service.UserService;
@Service
@Transactional
public class UserServiceImpl implements UserService{
@Autowired
private UserDao userDao;

@Override
public Integer delete(Integer id) {
// TODO Auto-generated method stub
return userDao.delete(id);
}
@Override
public Integer update(User user) {
// TODO Auto-generated method stub
return userDao.update(user);
}
@Override
public Integer add(User user) {
// TODO Auto-generated method stub
return userDao.add(user);
}
@Override
public List<User> list() {
// TODO Auto-generated method stub
return userDao.list();
}
@Override
public User get(Integer id) {
// TODO Auto-generated method stub
return userDao.get(id);
}
@Override
public User getLogin(User user) {
// TODO Auto-generated method stub
return userDao.getLogin(user);
}
@Override
public Integer getUserCount(page p) {
// TODO Auto-generated method stub
return userDao.getUserCount(p);
}
/*@Override
public List<User> findByPage(HashMap<String, Object> map) {
// TODO Auto-generated method stub
return userDao.findByPage(map);
}*/
@Override
public page<User> findByPage(int currentPage) {
HashMap<String,Object> map = new HashMap<String,Object>();
page<User> pageBean = new page<User>();

//封装当前页数
pageBean.setCurrPage(currentPage);

//每页显示的数据
int pageSize=5;
pageBean.setPageSize(pageSize);

//封装总记录数
int totalCount = userDao.selectCount();
pageBean.setTotalCount(totalCount);

//封装总页数
double tc = totalCount;
Double num =Math.ceil(tc/pageSize);//向上取整
pageBean.setTotalPage(num.intValue());

map.put("start",(currentPage-1)*pageSize);
map.put("size", pageBean.getPageSize());
//封装每页显示的数据
List<User> lists = userDao.findByPage(map);
pageBean.setLists(lists);

return pageBean;
}
@Override
public int selectCount() {
// TODO Auto-generated method stub
return userDao.selectCount();
}

}

15.controller控制器

package com.xin.controller;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpSession;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpRequest;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;

import com.xin.po.User;
import com.xin.po.page;
import com.xin.service.UserService;
@Controller
@RequestMapping("/user")
public class CustomerController {
@Autowired
private UserService userService;
@RequestMapping("/setlogin")
public String setFindUserById(){
return "login";
}
//登录页
@RequestMapping("/getlogin")
public ModelAndView getLogin(HttpSession session,User user,Model model){
User u=userService.getLogin(user);
if(u==null){
session.setAttribute("msg", "登录失败,请重新登录");
/*model.addAttribute("msg", );*/
ModelAndView mav=new ModelAndView("redirect:setlogin");
return mav;
}
if (user.getUser_name()!=null&&user.getPassword()!=null&&user.getUser_name().equals(u.getUser_name())&&user.getPassword().equals(u.getPassword())) {
model.addAttribute("msg", "登录成功");
session.setAttribute("msg", user.getUser_name());
ModelAndView mav=new ModelAndView("redirect:getfind");
return mav;
}
model.addAttribute("msg", "登录失败,请重新登录");
ModelAndView mav=new ModelAndView("redirect:setlogin");
return mav;

}
//查询所有的页面
@RequestMapping("getfind")
public ModelAndView list(){
ModelAndView mav = new ModelAndView();
List<User> list = userService.list();
mav.addObject("list", list);
mav.setViewName("main");
return mav;
}
//删除页面
@RequestMapping("/delete")
public ModelAndView delete(Integer id){
userService.delete(id);
ModelAndView mav=new ModelAndView("redirect:getfind");
return mav;
}

// 单条明细修改跳转到修改页面
@RequestMapping("/editgo")
public ModelAndView editgo(Integer id) {
User user = userService.get(id);
ModelAndView mav = new ModelAndView("editgo");
mav.addObject("user", user);
return mav;
}
//修改页面
@RequestMapping("/update")
public ModelAndView update(User user){
userService.update(user);
ModelAndView mav=new ModelAndView("redirect:getfind");
return mav;
}
// 添加   跳转 到添加页面
@RequestMapping("addgo")
public ModelAndView addgo() {
ModelAndView mav = new ModelAndView("add");
return mav;
}

// 添加数据
@ResponseBody
@RequestMapping("toadd")
public ModelAndView add(User user) {
userService.add(user);
ModelAndView mav = new ModelAndView("redirect:getfind");
return mav;
}
@RequestMapping("/main")
public String  main(@RequestParam(value="currentPage",defaultValue="1",required=false)int currentPage,Model model){
model.addAttribute("pagemsg", userService.findByPage(currentPage));//回显分页数据
return "main";
}

}

16.LoginInterceptor拦截器

package com.xin.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class LoginInterceptor implements HandlerInterceptor{

@Override
public void afterCompletion(HttpServletRequest arg0,
HttpServletResponse arg1, Object arg2, Exception arg3)
throws Exception {
// TODO Auto-generated method stub

}

@Override
public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1,
Object arg2, ModelAndView arg3) throws Exception {
// TODO Auto-generated method stub

}

@Override
public boolean preHandle(HttpServletRequest arg0, HttpServletResponse arg1,
Object arg2) throws Exception {
String url=arg0.getRequestURI();
if (url.indexOf("/getlogin")!=0) {
return true;
}
Object name=arg0.getSession().getAttribute("user");
if (name!=null) {
return true;
}
arg0.setAttribute("msg","登录失败");
arg0.getRequestDispatcher("/WEB-INF/jsp/login.jsp").forward(arg0, arg1);
return false;
}

}

17.Mapper.xml

<?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.xin.dao.UserDao">
<select id="list" parameterType="int" resultType="user">
select * from tbl_user
</select>
<select id="get" parameterType="int" resultType="user">
select * from tbl_user where user_id=#{user_id}
</select>
<select id="getLogin" parameterType="user" resultType="user">
select * from tbl_user where user_name=#{user_name} and password=#{password}
</select>
<delete id="delete" parameterType="int">
delete from tbl_user where user_id=#{user_id}
</delete>
<update id="update" parameterType="user">
update tbl_user set user_name=#{user_name},user_age=#{user_age},password=#{password} where user_id=#{user_id}
</update>
<insert id="add" parameterType="user">
insert into tbl_user(user_name,user_age,password) values(#{user_name},#{user_age},#{password})
</insert>
<select id="selectCount" resultType="int">
select count(1) from tbl_user
</select>
<select id="findByPage" resultMap="baseUser" parameterType="page">
select * from tbl_user limit #{start},#{size}
</select>
<resultMap type="user" id="baseUser">
<id column="user_id" property="user_id" />
<result column="user_name" property="user_name" />
<result column="user_pwd" property="user_pwd" />
<result column="user_age" property="user_age" />
</resultMap>
</mapper>

18.注册页面 add.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'add.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->

</head>

<body>
<form action="${pageContext.request.contextPath }/user/toadd" method="get">
<table border="1">
<tr>
<td colspan="2">添加用户信息</td>
</tr>
<tr>
<td>姓名</td>
<td>
<input type="text" name="user_name" />
</td>
</tr>
<tr>
<td>年龄</td>
<td>
<input type="text" name="user_age" />
</td>
</tr>
<tr>
<td>密码</td>
<td>
<input type="text" name="password" />
</td>
</tr>
<tr>
<td>
<a href="/user/getfind">返回</a>
</td>
<td>
<input type="submit" value="提交" />
</td>
</tr>
</table>
</form>
</body>
</html>

19.修改界面 editgo.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'editgo.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->

</head>

<body>
<form action="user/update" method="post">
<table border="1">

<tr>
<td colspan="2">修改用户信息</td>
</tr>
<tr>
<td>编号</td>
<td>
<input type="text" name="user_id" value="${user.user_id}" readonly/>
</td>
</tr>
<tr>
<td>姓名</td>
<td>
<input type="text" name="user_name" value="${user.user_name }" />
</td>
</tr>
<tr>
<td>密码</td>
<td>
<input type="text" name="password" value="${user.password }"/>
</td>
</tr>
<tr>
<td>年龄</td>
<td>
<input type="text" name="user_age" value="${user.user_age }"/>
</td>
</tr>
<tr>
<tr>
<td>
<a href="user/getfind">返回</a>
</td>
<td>
<input type="submit" value="提交" />
</td>
</tr>
</table>
</form>
</body>
</html>

20.查询界面 find.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'find.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->

</head>

<body>
<form action="${pageContext.request.contextPath }/user/getfind">
<input type="text" name="id">
<input type="submit" value="查询">
</form>
</body>
</html>

21.登录界面 login.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'login.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->

</head>

<body>
${msg }
<form action="${pageContext.request.contextPath }/user/getlogin">
<table>
<tr>
<td>用户名</td>
<td><input type="text" name="user_name"></td>
</tr>
<tr>
<td>密码</td>
<td><input type="text" name="password"></td>
</tr>
<tr>
<td>
<a href="${pageContext.request.contextPath }/user/addgo">注册</a>
</td>
<td>
<input type="submit" value="登录" />
</td>
</tr>
</table>

</form>
</body>
</html>

22.主页面 main.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'main.jsp' starting page</title>
<script type="text/javascript" src="${pageContext.request.contextPath }/js/jquery-1.10.2.js"></script>

</head>
<body>

<table border="1">
<tr>
<th>编号:</th>
<th>姓名：</th>
<th>密码：</th>
<th>年龄：</th>
<th>操作：</th>
</tr>
<c:forEach items="${requestScope.pagemsg.lists}" var="user">
<tr>
<td>${user.user_id }</td>
<td>${user.user_name }</td>
<td>${user.password }</td>
<td>${user.user_age }</td>
<td><a href="user/delete?id=${user.user_id}" >删除</a></td>
<td><a href="user/editgo?id=${user.user_id}">修改</a></td>
</tr>
</c:forEach>

<tr>
<td class="td2">
<span>第${requestScope.pagemsg.currPage }/ ${requestScope.pagemsg.totalPage}页</span>
<span>总记录数：${requestScope.pagemsg.totalCount }  每页显示:${requestScope.pagemsg.pageSize}</span>
<span>
<c:if test="${requestScope.pagemsg.currPage != 1}">
<a href="${pageContext.request.contextPath }/user/main?currentPage=1">[首页]</a>
<a href="${pageContext.request.contextPath }/user/main?currentPage=${requestScope.pagemsg.currPage-1}">[上一页]</a>
</c:if>

<c:if test="${requestScope.pagemsg.currPage != requestScope.pagemsg.totalPage}">
<a href="${pageContext.request.contextPath }/user/main?currentPage=${requestScope.pagemsg.currPage+1}">[下一页]</a>
<a href="${pageContext.request.contextPath }/user/main?currentPage=${requestScope.pagemsg.totalPage}">[尾页]</a>
</c:if>
</span>
</td>
</tr>
</table>
</body>
</html>

内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理

标签：

相关文章推荐

新的分享

章节导航

使用SSM框架 实现登录、注册、分页和增删改操作

1.

applicaltion.xml

2.

db.properties

3.

log4j.properties

4.

mybatis-config.xml

5.

spring-dao.xml

6.

spring-db.xml

7.*

spring-tx.xml

8.

springmvc-config.xml

9.

web.xml

10.User实体类

11.page实体类

12.UserDao接口

13.UserService接口

15.controller控制器

16.LoginInterceptor拦截器

17.Mapper.xml

18.注册页面 add.jsp

19.修改界面 editgo.jsp

20.查询界面 find.jsp

21.登录界面 login.jsp

22.主页面 main.jsp

使用SSM框架实现登录、注册、分页和增删改操作