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springmvc中的参数绑定
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‎WebRoot/WEB-INF/classes/ssm/controller/ItemsController1.class

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‎WebRoot/WEB-INF/jsp/items/editItems.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
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pageEncoding="UTF-8"%>
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<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
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<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>修改商品信息</title>
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</head>
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<body>
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<form id="itemForm" action="${pageContext.request.contextPath }/editItemsSubmit.action" method="post" >
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<input type="hidden" name="id" value="${itemsCustom.id }"/>
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修改商品信息：
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<table width="100%" border=1>
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<tr>
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<td>商品名称</td>
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<td><input type="text" name="name" value="${itemsCustom.name }"/></td>
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</tr>
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<tr>
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<td>商品价格</td>
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<td><input type="text" name="price" value="${itemsCustom.price }"/></td>
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</tr>
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<tr>
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<td>商品生产日期</td>
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<td><input type="text" name="createtime" value="<fmt:formatDate value="${itemsCustom.createtime}" pattern="yyyy-MM-dd HH:mm:ss"/>"/></td>
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</tr>
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<%-- <tr>
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<td>商品图片</td>
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<td>
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<c:if test="${item.pic !=null}">
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<img src="/pic/${item.pic}" width=100 height=100/>
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<br/>
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</c:if>
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<input type="file" name="pictureFile"/>
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</td>
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</tr> --%>
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<tr>
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<td>商品简介</td>
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<td>
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<textarea rows="3" cols="30" name="detail">${itemsCustom.detail }</textarea>
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</td>
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</tr>
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<tr>
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<td colspan="2" align="center"><input type="submit" value="提交"/>
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</td>
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</tr>
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</table>
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</form>
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</body>
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</html>

‎WebRoot/WEB-INF/jsp/items/editItemsQuery.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
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pageEncoding="UTF-8"%>
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<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
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<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>查询商品列表</title>
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<script type="text/javascript">
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function editItemsAllSubmit(){
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//提交form
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document.itemsForm.action="${pageContext.request.contextPath }/editItemsQueryResult.action";
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document.itemsForm.submit();
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}
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function queryItems(){
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//提交form
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document.itemsForm.action="${pageContext.request.contextPath }/queryItems.action";
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document.itemsForm.submit();
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}
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</script>
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</head>
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<body>
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<form name="itemsForm" action="${pageContext.request.contextPath }/queryItems.action" method="post">
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查询条件：
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<table width="100%" border=1>
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<tr>
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<td>
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商品名称：<input name="itemsCustom.name" />
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</td>
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<td><input type="button" value="查询" onclick="queryItems()"/>
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<input type="button" value="批量修改提交" onclick="editItemsAllSubmit()"/>
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</td>
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</tr>
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</table>
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商品列表：
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<table width="100%" border=1>
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<tr>
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<td>商品名称</td>
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<td>商品价格</td>
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<td>生产日期</td>
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<td>商品描述</td>
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<td>操作</td>
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</tr>
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<c:forEach items="${itemsList }" var="item" varStatus="status">
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<tr>
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<td><input name="itemsList[${status.index }].name" value="${item.name }"/></td>
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<td><input name="itemsList[${status.index }].price" value="${item.price }"/></td>
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<td><input name="itemsList[${status.index }].createtime" value="<fmt:formatDate value="${item.createtime}" pattern="yyyy-MM-dd HH:mm:ss"/>"/></td>
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<td><input name="itemsList[${status.index }].detail" value="${item.detail }"/></td>
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</tr>
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</c:forEach>
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</table>
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</form>
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</body>
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</html>

‎WebRoot/WEB-INF/jsp/items/itemsList.jsp

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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>查询商品列表</title>
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<script type="text/javascript">
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function queryItems() {
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document.itemsForm.action="${pageContext.request.contextPath }/editItemsAllSubmit.action";
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document.itemsForm.submit();
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}
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function deleteItems() {
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document.itemsForm.action="${pageContext.request.contextPath }/deleteItems.action";
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document.itemsForm.submit();
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}
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</script>
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</head>
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<body>
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<form
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action="${pageContext.request.contextPath }/item/queryItem.action"
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<form name="itemsForm"
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action="${pageContext.request.contextPath }/editItemsAllSubmit.action"
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method="post">
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查询条件：
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<table width="100%" border=1>
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<tr>
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<td><input type="submit" value="查询" /></td>
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<td>商品名称：<input name="itemsCustom.name" /></td>
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<td><input type="button" value="查询" onclick="queryItems()"/></td>
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<td><input type="button" value="批量删除" onclick="deleteItems()"/></td>
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</tr>
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</table>
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商品列表：
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<table width="100%" border=1>
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<tr>
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<td>选择</td>
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<td>商品名称</td>
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<td>商品价格</td>
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<td>生产日期</td>
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</tr>
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<c:forEach items="${itemsList }" var="item">
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<tr>
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<td><input type="checkbox" name="items_id" value="${item.id }"/></td>
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<td>${item.name }</td>
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<td>${item.price }</td>
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<td><fmt:formatDate value="${item.createtime}"
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pattern="yyyy-MM-dd HH:mm:ss" /></td>
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<td>${item.detail }</td>
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<td><a
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href="${pageContext.request.contextPath }/item/editItem.action?id=${item.id}">修改</a></td>
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href="${pageContext.request.contextPath }/editItems.action?id=${item.id}">修改</a></td>
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</tr>
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</c:forEach>

‎WebRoot/WEB-INF/jsp/success.jsp

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<%@ page language="java" contentType="text/html; charset=UTF-8"
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pageEncoding="UTF-8"%>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>成功提示</title>
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</head>
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<body>
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操作成功！
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</body>
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</html>

‎WebRoot/WEB-INF/web.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
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<display-name>SpringMVC_Study</display-name>
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<!-- 加载spring容器 -->
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<context-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>classpath:spring/applicationContext-*.xml</param-value>
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</context-param>
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<listener>
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<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
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</listener>
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<welcome-file-list>
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<welcome-file>index.jsp</welcome-file>
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</welcome-file-list>
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<!-- 配置springmvc的前端控制器DispatcherServlet（相当于一个servlet） -->
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<servlet>
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<servlet-name>springmvc</servlet-name>
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<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
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<!-- contextConfigLocation是配置springmvc加载的配置文件（配置处理器映射器、适配器等）
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如果不配置contextConfigLocation，则默认加载的是/WEB-INF/springmvc-servlet.xml
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-->
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<init-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>classpath:springmvc.xml</param-value>
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</init-param>
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</servlet>
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<servlet-mapping>
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<servlet-name>springmvc</servlet-name>
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<!--
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第一种：*.action，可以访问以.action结尾的地址，由DispatcherServlet进行解析
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第二种：/，所有访问的地址都由DispatcherServlet进行解析，对应静态文件的解析需要配置不让DispatcherServlet进行解析
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第三种：/*，这样配置是不对的，使用这种配置，最重要转发到一个jsp页面时，仍然会由DispatcherServlet解析jsp地址，
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不能根据jsp页面找打Handler，会报错
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-->
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<url-pattern>*.action</url-pattern>
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</servlet-mapping>
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<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://java.sun.com/xml/ns/javaee"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
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id="WebApp_ID" version="3.0">
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<display-name>SpringMVC_Study</display-name>
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<welcome-file-list>
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<welcome-file>index.jsp</welcome-file>
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</welcome-file-list>
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<!-- 加载spring容器 -->
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<context-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>classpath:spring/applicationContext-*.xml</param-value>
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</context-param>
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<listener>
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<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
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</listener>
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<!-- 过滤器解决post乱码问题 -->
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<filter>
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<filter-name>CharacterEncodingFilter</filter-name>
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<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
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<init-param>
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<param-name>encoding</param-name>
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<param-value>utf-8</param-value>
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</init-param>
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</filter>
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<filter-mapping>
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<filter-name>CharacterEncodingFilter</filter-name>
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<url-pattern>/*</url-pattern>
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</filter-mapping>
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<!-- 配置springmvc的前端控制器DispatcherServlet（相当于一个servlet） -->
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<servlet>
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<servlet-name>springmvc</servlet-name>
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<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
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<!-- contextConfigLocation是配置springmvc加载的配置文件（配置处理器映射器、适配器等） 如果不配置contextConfigLocation，则默认加载的是/WEB-INF/springmvc-servlet.xml -->
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<init-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>classpath:spring/springmvc.xml</param-value>
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</init-param>
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</servlet>
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<servlet-mapping>
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<servlet-name>springmvc</servlet-name>
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<!-- 第一种：*.action，可以访问以.action结尾的地址，由DispatcherServlet进行解析 第二种：/，所有访问的地址都由DispatcherServlet进行解析，对应静态文件的解析需要配置不让DispatcherServlet进行解析
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第三种：/*，这样配置是不对的，使用这种配置，最重要转发到一个jsp页面时，仍然会由DispatcherServlet解析jsp地址， 不能根据jsp页面找打Handler，会报错 -->
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<url-pattern>*.action</url-pattern>
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</servlet-mapping>
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</web-app>

‎WebRoot/WEB-INF/classes/springmvc.xml renamed to ‎config/spring/springmvc.xml

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如果使用mvc:annotation-driven不用配置上边的RequestMappingHandlerMapping和RequestMappingHandlerAdapter
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实际开发时使用mvc:annotation-driven
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-->
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<mvc:annotation-driven></mvc:annotation-driven>
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<mvc:annotation-driven conversion-service="conversionService"></mvc:annotation-driven>
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<!-- 也不用配置具体的Controller了，直接使用这个进行扫描包即可，也可以扫描service -->
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<context:component-scan base-package="ssm.controller"></context:component-scan>
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<!-- 配置视图解析器
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进行jsp解析，默认使用jstl标签，classpath下得有jstl的包
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-->
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<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" />
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<!-- 自定义参数绑定 -->
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<bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
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<!-- 转换器 -->
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<property name="converters">
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<list>
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<!-- 日期类型转换 -->
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<bean class="ssm.controller.converter.CustomDateConverter"/>
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</list>
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</property>
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</bean>
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</beans>

‎config/springmvc.xml

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