日期:2014-05-16 浏览次数:20389 次
<html> <head> </head> <script> function addRow(){ var testTable = document.getElementById("testTable"); var rows = testTable.getElementsByTagName("tr").length; var newRow = testTable.insertRow(rows); var cell1 = newRow.insertCell(0); cell1.innerHTML="<input id='name"+rows+"' type='text' value='computer"+rows+"'>"; var cell2 = newRow.insertCell(1); cell2.innerHTML="<input id='price"+rows+"' type='text' value='price"+rows+"'>" } /** * 打印数据 * */ function printData(){ //获取数据 var data = addData(); //转换成对象 var dataVar = eval('('+data+')'); for(var j=0; j<dataVar.length ; j++){ var values= dataVar[j]; alert("name:"+values.name+"\n"+"price:"+values.price); } } /** * 装载数据 * */ function addData(){ //数据集合 var datas="["; var trs = testTable.getElementsByTagName("TR"); var rows = testTable.getElementsByTagName("TR").length; //因为有表头所以从第二行开始是数据 for(var i = 1; i < rows ; i++){ //一对数据 var data =""; var tr = trs[i]; if(i==1){ data += "{"; }else{ data += ",{"; } var name = tr.firstChild.firstChild.value; var price = tr.lastChild.firstChild.value; data += "name:'"+name+"',price:'"+price+"'}"; datas +=data; } datas += "]"; //alert(datas); return datas; } </script> <body> <form> <table id="testTable"> <tr> <th>笔记本</th> <th>价格</th> </tr> <tr> <td> <input id="name0" type="text" value='compute1'> </td> <td> <input id="price0" type="text" value='price1'> </td> </tr> <tr> <td> <input id="name1" type="text" value='compute2'> </td> <td> <input id="price1" type="text" value='price2'> </td> </tr> <tr> <td> <input id="name2" type="text" value='compute3'> </td> <td> <input id="price2" type="text" value='price3'> </td> </tr> <table> <input id="1" type="button" value="增加一行" onclick="addRow()"/> <input id="2" type="button" value="打印数据" onclick="printData()"/> </form> </body> </html>