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首页 / 脚本样式 / JavaScript / JQuery实现动态添加删除评论的方法

本文实例讲述了JQuery实现动态添加删除评论的方法。分享给大家供大家参考。具体实现方法如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>添加评论</title><style type="text/css">#tbList td,#tbList th{border:1px solid #000;padding:5px;}</style><script src="jquery-1.6.2.min.js" type="text/javascript"></script><script type="text/javascript">var jsonArr =[ { "id": 1, "name": "1刘德华", "eamil": "123@126.com", "gender": "男" }, { "id": 2, "name": "2刘德华", "eamil": "123@126.com", "gender": "女" }, { "id": 3, "name": "3刘德华", "eamil": "133@126.com", "gender": "女" }, { "id": 4, "name": "4郭富城", "eamil": "113@126.com", "gender": "女" }, { "id": 5, "name": "5张学友", "eamil": "223@126.com", "gender": "男" }, { "id": 6, "name": "6孙红雷", "eamil": "423@126.com", "gender": "男" }];function loadData() { var $th = "<tr><th>ID</th><th>姓名</th><th>邮箱</th><th>性别</th><th>操作</th></tr>"; $("#tbList").append($th); //添加表头 for (var i = 0; i < jsonArr.length; i++) {//最后一列放一个空的内容,给删除链接留位置var $tr = $("<tr><td>" + jsonArr[i].id + "</td><td>" + jsonArr[i].name + "</td><td>" + jsonArr[i].eamil + "</td><td>" + jsonArr[i].gender + "</td><td></td></tr>");var $link = $("<a href="javascript:void(0)">删除</a>");$link.click(function () { //注册删除事件 $(this).parent().parent().remove(); //删除当前行});$("td:last", $tr).append($link); //添加删除链接$("#tbList").append($tr); }}$(function () { loadData(); //添加事件 $("#btnAdd").click(function () {var id = $("#txtID").val();var name = $("#txtName").val();var email = $("#txtEmail").val();var gender = $("#txtGender").val();if ((id == "") || (name == "") || (email == "") || (gender == "")) { alert("请输入完整的信息"); return;}var $tr = $("<tr><td>" + id + "</td><td>" + name + "</td><td>" + email + "</td><td>" + gender + "</td><td></td></tr>");var $link = $("<a href="javascript:void(0)">删除</a>");$link.click(function () { $(this).parent().parent().remove();});$("td:last", $tr).append($link);$("#tbList").append($tr); });});</script></head><body>ID:<input type="text" id="txtID" />姓名:<input type="text" id="txtName" />email:<input type="text" id="txtEmail" />性别:<input type="text" id="txtGender" /><br /><input id="btnAdd" type="button" value="添加" /><br /><table id="tbList"></table></body></html>
希望本文所述对大家的jQuery程序设计有所帮助。