SpringMVC--提交表单

今天使用AbstractCommandController做一个提交表单的样例

（1）首先，建立一个User.java

package com.zk.domain;

import java.util.Date;

public class User {

	private Integer id;

	private String name;

	private String age;

	private String birthday;

	public Integer getId() {

		return id;

	}

	public void setId(Integer id) {

		this.id = id;

	}

	public String getName() {

		return name;

	}

	public void setName(String name) {

		this.name = name;

	}

	public String getAge() {

		return age;

	}

	public void setAge(String age) {

		this.age = age;

	}

	public String getBirthday() {

		return birthday;

	}

	public void setBirthday(String birthday) {

		this.birthday = birthday;

	}

}

（2）第二步，实现ToAddController.java，跳转至add.jsp,

package com.zk.UserController;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;

import org.springframework.web.servlet.mvc.Controller;

public class ToAddController implements Controller{

	public ModelAndView handleRequest(HttpServletRequest request,

			HttpServletResponse response) throws Exception {

		// TODO Auto-generated method stub

		ModelAndView mv=new ModelAndView();

		mv.setViewName("add");

		return mv;

	}

}

（3）第三步，实现CommandController.java

package com.zk.UserController;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.validation.BindException;

import org.springframework.web.servlet.ModelAndView;

import org.springframework.web.servlet.mvc.AbstractCommandController;

import com.zk.domain.User;

//从页面接受参数，封装javaBean的User对象

public class CommandController extends AbstractCommandController{

	//指定把参数封装到那个对象。

	public CommandController(){

		this.setCommandClass(User.class);

	}

	@Override

	protected ModelAndView handle(HttpServletRequest request,

			HttpServletResponse response, Object command, BindException errors)

			throws Exception {

		// TODO Auto-generated method stub

		//值被封装命令对象

		User user=(User) command;

		ModelAndView mv=new ModelAndView();

		//设置models

		mv.addObject("user",user);

		//指定返回视图界面

		mv.setViewName("index");

		return mv;

	}

}

　（4）第四步，配置SpringMVC.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"

	xsi:schemaLocation="http://www.springframework.org/schema/beans

         http://www.springframework.org/schema/beans/spring-beans.xsd

         http://www.springframework.org/schema/aop

         http://www.springframework.org/schema/aop/spring-aop.xsd

         http://www.springframework.org/schema/tx

         http://www.springframework.org/schema/tx/spring-tx-3.2.xsd">

         <!-- 配置处理器映射器 -->

         <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"></bean>

     	 <bean class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter"></bean>

     	 <bean class="org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter"></bean>

         <!-- 命令对象 -->

         <bean id="/command.do" class="com.zk.UserController.CommandController"></bean>

         <!-- 跳转到Add页面 -->

         <bean id="/toAdd.do" class="com.zk.UserController.ToAddController"></bean>

         <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">

         <property name="prefix" value="/WEB-INF/jsp/"></property>

         <property name="suffix" value=".jsp"></property>

         </bean>

</beans>

（5）两个jsp界面

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 }/command.do">

   Id：<input type="text" name="id"  id="id"/><br>

   name：<input type="text" name="name" id="name"/><br>

   age：<input type="text" name="age" id="age"/><br>

   birthday：<input type="text" name="birthday" id="birthday"/><br>

  <input type="submit" value="提交" />

  </form>

  </body>

</html>

　　index.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 'index.jsp' starting page</title>

    <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />

	<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>

  <!-- ${hello } -->

  <h1>${user.name}||${user.id}||${user.age}||${user.birthday}</h1>

  </body>

</html>

　　运行结果如下：

http://ms-20170731tkkc:8080/SpringMVC_004/command.do?id=1&name=zk&age=24&birthday=1995-03-04

带过来的参数

注解写法

Usercontroller.java

package com.zk.Controller;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

@Controller//<bean id="UserController" class="UserController路径">

public class UserController {

	//访问路径注意更改

	//请求映射value="/hello.do",

	//@RequestMapping("hello")

	//@RequestMapping("/hello.do")

	//@RequestMapping(value="/hello.do")

	//@RequestMapping(value="/hello.do",method=RequestMethod.GET)

	@RequestMapping(value="/hello.do",method={RequestMethod.GET,RequestMethod.POST})

	public String myHello(){

		return "hello";

	}

	@RequestMapping("receive")

	public String receiveInt(Integer id){

		System.out.println(id);

		return "success";

	}

}

　　SpringMVC.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: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

    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd

    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">

         <context:component-scan base-package="com.zk.Controller"></context:component-scan>

		<!-- 配置注解处理器映射器

			功能：寻找执行类Controller

		-->

		<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"></bean>

		<!-- 配置注解处理器适配器

			功能：调用controller方法，执行controller

		-->

		<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"></bean>

         <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">

         <property name="prefix" value="/WEB-INF/jsp/"></property>

         <property name="suffix" value=".jsp"></property>

         </bean>

</beans>

　　hello.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 'Hello.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>

    Hello,UserController <br>

    <form action="${pageContext.request.contextPath}/receive.do" method="post">

    ID:<input type="text" name="id" id="id" />

    <input type="submit" value="提交"/>

    </form>

  </body>

</html>

　　success.jsp

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>

<%

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 'index.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>

    success. <br>

  </body>

</html>

　　web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app version="2.5"

	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_2_5.xsd">

  <display-name>Spring_006</display-name>

  <servlet>

  <servlet-name>springmvc</servlet-name>

  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

  <!--

  Spring 默认加载SpringMVC的配置文件，这个需要满足一下规则：

  命名规则：Servlet-name-servlet.xml========>SpringMVC-servlet.xml

  路径规范SpringMVC-serlvet.xml必须放在WEB-INF下

   -->

   <init-param>

   <param-name>contextConfigLocation</param-name>

   <param-value>/WEB-INF/config/springmvc.xml</param-value>

   </init-param>

  </servlet>

  <servlet-mapping>

  <servlet-name>springmvc</servlet-name>

  <url-pattern>*.do</url-pattern>

  </servlet-mapping>

  <welcome-file-list>

    <welcome-file>index.jsp</welcome-file>

  </welcome-file-list>

</web-app>

　　运行结果：

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