要实现的效果:
1、父节点选中,则下面的子节点全选中
2、父节点不选中,则下面的子节点全不选中
3、子节点只要选中了一个,则父节点选中
4、子节点全不选中,则父亲节点不选中
<%@ 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 'quanxian.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"> <script type="text/javascript" src="js/jquery-1.11.1.js"></script> <script type="text/javascript"> function selectAll(idStart){ var x = $("input[id^='"+idStart+"']"); x.each(function(index,domEle){ $(this).prop("checked",true); }); } function unSelectAllBox(idStart){ var x = $("input[id^='"+idStart+"']"); x.each(function(index,domEle){ $(this).removeProp("checked"); }); } function selectFather(id){ $("#"+id).prop("checked", "checked"); } function UnSelectFather(id){ $("#"+id).removeProp("checked"); } //判断还有没被选中的checkedbox function isExistSelect(idStart){ var flag = false; var $arrayEle=$("input[id^='"+idStart+"'][id!='"+idStart+"_"+idStart+"']"); for (var i=0; i<$arrayEle.length; i++){ if ($($arrayEle[i]).prop("checked")){ flag=true; } } return flag; } function goSelect(id){ var arrayVal=id.split("_"); if (arrayVal[0] == arrayVal[1]){//parent dom if ($("#"+id).prop("checked")){ selectAll(arrayVal[0]); }else{ unSelectAllBox(arrayVal[0]); } }else{//child dom if ($("#" + id).prop("checked")) { selectFather(arrayVal[0] + "_" + arrayVal[0]); } else { if (!isExistSelect(arrayVal[0])){ UnSelectFather(arrayVal[0] + "_" + arrayVal[0]); } } } } </script> </head> <body> <fieldset> <legend><input type="checkbox" id="company_company" onclick="goSelect(this.id)" />客户管理</legend> <div><input type="checkbox" id="company_base" onclick="goSelect(this.id)"/>客户管理1</div> <div><input type="checkbox" id="company_linkman" onclick="goSelect(this.id)" />客户管理2</div> <div><input type="checkbox" id="company_linkTouch" onclick="goSelect(this.id)"/>客户管理3</div> <div><input type="checkbox" id="company_rule" onclick="goSelect(this.id)"/>客户管理4</div> </fieldset> <br/> <fieldset> <legend><input type="checkbox" id="employee_employee" onclick="goSelect(this.id)" />员工管理</legend> <div><input type="checkbox" id="employee_base" onclick="goSelect(this.id)"/>员工管理1</div> <div><input type="checkbox" id="employee_linkman" onclick="goSelect(this.id)" />员工管理2</div> <div><input type="checkbox" id="employee_linkTouch" onclick="goSelect(this.id)"/>员工管理3</div> <div><input type="checkbox" id="employee_rule" onclick="goSelect(this.id)"/>员工管理4</div> </fieldset> </body> </html>
note:本例中获取节点属性用的是prop()方法,用attr()不行。,jquery 1.6版本就对这两个方法进行了改变,attribute 表示从文档中获取DOM状态信息,而properties 表示元素的动态状态信息,比如说复选框的使用。