使用spring框架，实现修改用户的功能
UserController.java
userlist.js
usermodify.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@include file="/WEB-INF/jsp/common/head.jsp"%>
<div class="right">
<div class="location">
<strong>你现在所在的位置是:</strong>
<span>用户管理页面 >> 用户修改页面</span>
</div>
<div class="providerAdd">
<form id="userForm" name="userForm" method="post" action="${pageContext.request.contextPath }/user/userModifySave.html">
<input type="hidden" name="id" value="${user.id }"/>
<div>
<label for="userName">用户名称：</label>
<input type="text" name="userName" id="userName" value="${user.userName }">
<font color="red"></font>
</div>
<div>
<label >用户性别：</label>
<select name="gender" id="gender">
<c:choose>
<c:when test="${user.gender == 1 }">
<option value="1" selected="selected">男</option>
<option value="2">女</option>
</c:when>
<c:otherwise>
<option value="1">男</option>
<option value="2" selected="selected">女</option>
</c:otherwise>
</c:choose>
</select>
</div>
<div>
<label for="data">出生日期：</label>
<input type="text" Class="Wdate" id="birthday" name="birthday" value="${user.birthday }"
readonly="readonly" onclick="WdatePicker();">
<font color="red"></font>
</div>
<div>
<label for="userphone">用户电话：</label>
<input type="text" name="phone" id="phone" value="${user.phone }">
<font color="red"></font>
</div>
<div>
<label for="userAddress">用户地址：</label>
<input type="text" name="address" id="address" value="${user.address }">
</div>
<div>
<label >用户角色：</label>
<!-- 列出所有的角色分类 -->
<%-- <input type="hidden" value="${user.userRole }" id="rid" />
<select name="userRole" id="userRole"></select> --%>
<select name="userRole" id="userRole">
<c:choose>
<c:when test="${user.userRole == 1 }">
<option value="1" selected="selected">系统管理员</option>
<option value="2">经理</option>
<option value="3">普通用户</option>
</c:when>
<c:when test="${user.userRole == 2 }">
<option value="1">系统管理员</option>
<option value="2" selected="selected">经理</option>
<option value="3">普通用户</option>
</c:when>
<c:otherwise>
<option value="1">系统管理员</option>
<option value="2">经理</option>
<option value="3" selected="selected">普通用户</option>
</c:otherwise>
</c:choose>
</select>
<font color="red"></font>
</div>
<div class="providerAddBtn">
<input type="button" name="save" id="save" value="保存" />
<input type="button" id="back" name="back" value="返回"/>
</div>
</form>
</div>
</div>
</section>
<%@include file="/WEB-INF/jsp/common/foot.jsp" %>
<script type="text/javascript" src="${pageContext.request.contextPath }/statics/js/usermodify.js"></script>
useradd.jsp,注意隐藏域传值的使用
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@include file="/WEB-INF/jsp/common/head.jsp"%>
<div class="right">
<div class="location">
<strong>你现在所在的位置是:</strong>
<span>用户管理页面 >> 用户修改页面</span>
</div>
<div class="providerAdd">
<form id="userForm" name="userForm" method="post" action="${pageContext.request.contextPath }/user/userModifySave.html">
<input type="hidden" name="id" value="${user.id }"/>
<div>
<label for="userName">用户名称：</label>
<input type="text" name="userName" id="userName" value="${user.userName }">
<font color="red"></font>
</div>
<div>
<label >用户性别：</label>
<select name="gender" id="gender">
<c:choose>
<c:when test="${user.gender == 1 }">
<option value="1" selected="selected">男</option>
<option value="2">女</option>
</c:when>
<c:otherwise>
<option value="1">男</option>
<option value="2" selected="selected">女</option>
</c:otherwise>
</c:choose>
</select>
</div>
<div>
<label for="data">出生日期：</label>
<input type="text" Class="Wdate" id="birthday" name="birthday" value="${user.birthday }"
readonly="readonly" onclick="WdatePicker();">
<font color="red"></font>
</div>
<div>
<label for="userphone">用户电话：</label>
<input type="text" name="phone" id="phone" value="${user.phone }">
<font color="red"></font>
</div>
<div>
<label for="userAddress">用户地址：</label>
<input type="text" name="address" id="address" value="${user.address }">
</div>
<div>
<label >用户角色：</label>
<!-- 列出所有的角色分类 -->
<%-- <input type="hidden" value="${user.userRole }" id="rid" />
<select name="userRole" id="userRole"></select> --%>
<select name="userRole" id="userRole">
<c:choose>
<c:when test="${user.userRole == 1 }">
<option value="1" selected="selected">系统管理员</option>
<option value="2">经理</option>
<option value="3">普通用户</option>
</c:when>
<c:when test="${user.userRole == 2 }">
<option value="1">系统管理员</option>
<option value="2" selected="selected">经理</option>
<option value="3">普通用户</option>
</c:when>
<c:otherwise>
<option value="1">系统管理员</option>
<option value="2">经理</option>
<option value="3" selected="selected">普通用户</option>
</c:otherwise>
</c:choose>
</select>
<font color="red"></font>
</div>
<div class="providerAddBtn">
<input type="button" name="save" id="save" value="保存" />
<input type="button" id="back" name="back" value="返回"/>
</div>
</form>
</div>
</div>
</section>
<%@include file="/WEB-INF/jsp/common/foot.jsp" %>
<script type="text/javascript" src="${pageContext.request.contextPath }/statics/js/usermodify.js"></script>
运行结果：
