标签：long 技术分享 repr ice spring upd view public add
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package com.wg.test;import javax.servlet.http.HttpServletRequest;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.servlet.ModelAndView;import com.wg.bean.User;import com.wg.service.UserService;@Controllerpublic class UserController { @Autowired private UserService userService; @RequestMapping(value = "regist", method = RequestMethod.POST) public ModelAndView regist(HttpServletRequest request, User user) { try { userService.saveUser(user); } catch (Exception e) { e.printStackTrace(); } request.setAttribute("username", user.getUsername()); request.setAttribute("password", user.getPassword()); System.out.println(user.toString()); return new ModelAndView("succ"); } /*** * 用户登陆 * <p> * 注解配置，只允许POST提交到该方法 * * @param username * @param password * @return */ @RequestMapping(value = "login", method = RequestMethod.POST) public ModelAndView login(String username, String password) { // 验证传递过来的参数是否正确，否则返回到登陆页面。 if (this.checkParams(new String[] { username, password })) { // 指定要返回的页面为succ.jsp ModelAndView mav = new ModelAndView("succ"); // 将参数返回给页面 mav.addObject("username", username); mav.addObject("password", password); System.out .println("username=" + username + " password=" + password); return mav; } return new ModelAndView("home"); } /*** * 验证参数是否为空 * * @param params * @return */ private boolean checkParams(String[] params) { for (String param : params) { if (param == "" || param == null || param.isEmpty()) { return false; } } return true; }} |
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<?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"> <!-- 监听spring上下文容器 --> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> <!-- 加载spring的xml配置文件到 spring的上下文容器中 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:*-context.xml</param-value> </context-param> <!-- 配置Spring MVC DispatcherServlet --> <servlet> <servlet-name>MVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 初始化参数 --> <init-param> <!-- 加载SpringMVC的xml到 spring的上下文容器中 --> <param-name>contextConfigLocation</param-name> <param-value> /WEB-INF/classes/mvc-context.xml </param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <!-- 配置DispatcherServlet所需要拦截的 url --> <servlet-mapping> <servlet-name>MVC</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app> |
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<?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:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <context:component-scan base-package="com.wg.*" /> <bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="/page/" /> <property name="suffix" value=".jsp" /> </bean></beans> |
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<?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.wg.dao.UserDao"> <!-- 取得用户列表 --> <select id="getUser" resultType="User" parameterType="User"> select id, username, password From user <where> <if test="username != null and password != null"> username =#{username} and password =#{password} </if> <if test="id!=null"> and id=#{id} </if> </where> </select> <!-- 新增用户 --> <insert id="insertUser" parameterType="User"> insert into user(id,username,password) values(#{id},#{username},#{password}) <selectKey keyProperty="id" resultType="Long"> select last_insert_id() as id </selectKey> </insert> <!-- 修改用户 --> <update id="updateUser" parameterType="User"> update user <set> <if test="username != null">username=#{username},</if> <if test="password != null">password=#{password},</if> </set> where id=#{id} </update> <!-- 删除用户 --> <delete id="deleteUser" parameterType="Long"> delete from user where id=#{id} </delete></mapper> |
标签：long 技术分享 repr ice spring upd view public add
原文地址：http://www.cnblogs.com/chcse/p/6756781.html
