全选与全不选
1.使用bootStrap构建页面
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
pageContext.setAttribute("PATH",request.getContextPath());
%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- 上述3个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! -->
<title>employee</title>
<!-- Bootstrap -->
<link href="${
PATH}/static/bootstrap-3.3.7-dist/css/bootstrap.min.css" rel="stylesheet">
<!-- jQuery (Bootstrap 的所有 JavaScript 插件都依赖 jQuery,所以必须放在前边) -->
<script src="${
PATH}/static/js/jquery-3.4.1.js"></script>
<!-- 加载 Bootstrap 的所有 JavaScript 插件。你也可以根据需要只加载单个插件。 -->
<script src="${
PATH}/static/bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>
</head>
<body>
<!--模态框修改员工信息 -->
<div class="modal fade" id="empUpdateModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
<h4 class="modal-title" id="myModalLabel">员工修改</h4>
</div>
<div class="modal-body">
<form class="form-horizontal">
<div class="form-group">
<label class="col-sm-2 control-label">empId</label>
<div class="col-sm-10">
<input type="text" name="empId" class="form-control" id="empId_input" placeholder="empId">
</div>
</div>
<div class="form-group">
<label for="empName_input" class="col-sm-2 control-label">empName</label>
<div class="col-sm-10">
<input type="text" name="empName" class="form-control" id="empName_input" placeholder="empName">
</div>
</div>
<div class="form-group">
<label for="empAge_input" class="col-sm-2 control-label">empAge</label>
<div class="col-sm-10">
<input type="text" name="empAge" class="form-control" id="empAge_input" placeholder="empName">
</div>
</div>
<div class="form-group">
<label for="empAddress_input" class="col-sm-2 control-label">empAddress</label>
<div class="col-sm-10">
<input type="text" name="empAddress" class="form-control" id="empAddress_input" placeholder="empAddress">
</div>
</div>
<div class="form-group">
<label for="empHiredate_input" class="col-sm-2 control-label">empHiredate</label>
<div class="col-sm-10">
<input type="text" name="empHiredate" class="form-control" id="empHiredate_input" placeholder="empHiredate">
</div>
</div>
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
<button type="button" class="btn btn-primary" id="emp_update_btn"