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基于annotation注解的Spring3 MVC Form Handling Example之二表单提交学习笔记

2013-12-20 20:49 706 查看
 基于annotation注解的Spring3 MVC  Form Handling Example之二表单提交学习笔记

一,项目结构图:



com.jiangge.common.controller.Student

package com.jiangge.common.controller;

public class Student {

private Integer age;
private String name;
private Integer id;

public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}

}


com.jiangge.common.controller.StudentController

package com.jiangge.common.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.ui.ModelMap;

/*
* Here the first service method student(),
* we have passed a blank Student object in the ModelAndView object with name "command"
* because the spring framework expects an object with name "command" if you are using <form:form> tags in your JSP file.
*  So when student() method is called it returns student.jsp view
*/
@Controller
public class StudentController {

@RequestMapping(value = "/student", method = RequestMethod.GET)
public ModelAndView student() {
return new ModelAndView("student", "command", new Student());//返回student.jsp视图
}

/*
* addStudent() will be called against a POST method on the /addStudent URL.
* You will prepare your model object based on the submitted information.
* Finally a "result" view will be returned from the service method, which will result in rendering result.jsp
*/
@RequestMapping(value = "/addStudent", method = RequestMethod.POST)
public String addStudent(@ModelAttribute("SpringWeb")Student student, ModelMap model) { //提交过来的数据
model.addAttribute("name", student.getName());
model.addAttribute("age", student.getAge());
model.addAttribute("id", student.getId());

return "result"; //返回result.jsp视图
}
}


/Spring3MVCDemoForm/WebRoot/WEB-INF/jsp/result.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Spring MVC 表单处理</title>
</head>
<body>

<h2>Submitted Student Information</h2>
<table>
<tr>
<td>名字:</td>
<td>${name}</td>
</tr>
<tr>
<td>年龄:</td>
<td>${age}</td>
</tr>
<tr>
<td>ID:</td>
<td>${id}</td>
</tr>
</table>
</body>
</html>


/Spring3MVCDemoForm/WebRoot/WEB-INF/jsp/student.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Spring MVC表单处理</title>
</head>
<body>

<h2>学生信息</h2>
<form:form method="POST" action="/addStudent">
<table>
<tr>
<td><form:label path="name">名字</form:label></td>
<td><form:input path="name" /></td>
</tr>
<tr>
<td><form:label path="age">年龄</form:label></td>
<td><form:input path="age" /></td>
</tr>
<tr>
<td><form:label path="id">id</form:label></td>
<td><form:input path="id" /></td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="提交"/>
</td>
</tr>
</table>
</form:form>
</body>
</html>


/Spring3MVCDemoForm/WebRoot/WEB-INF/HelloWeb-servlet.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"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"> 
<context:component-scan base-package="com.jiangge.common.controller" />

<!--  对模型视图名称的解析，即在模型视图名称添加前缀后缀 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/" />
<property name="suffix" value=".jsp" />
</bean>

</beans>


/Spring3MVCDemoForm/WebRoot/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> 
<display-name>Spring MVC Form Application</display-name>

<servlet>
<servlet-name>HelloWeb</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
<servlet-name>HelloWeb</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

<!-- 编码过滤器解决中文乱码,强制编码格式为UTF-8 -->
<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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

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

</web-app>
注:url 为 /*

http://localhost:8080/Spring3MVCDemo/student



点击提交后:

http://localhost:8080/Spring3MVCDemo/addStudent



参考:

http://www.tutorialspoint.com/spring/spring_mvc_form_handling_example.htm
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标签：  springmvc spring mvc spring
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