JQuery实现table行折叠效果以JSON做数据源

复制代码代码如下:
<!DOCTYPE html> 

<html xmlns="http://www.w3.org/1999/xhtml"> 
<head runat="server"> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title></title> 
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8/jquery.min.js"></script> 
<script type="text/javascript"> 
Array.prototype.filterRepeat = function () { 
var res = [], hash = {}; 
for (var i = 0, elem; (elem = this[i]) != null; i++) { 
if (!hash[elem]) { 
res.push(elem); 
hash[elem] = true; 
} 
} 
return res; 
} 
$(function () { 
var json = [ 
{ "SysName": "数据库", "SysGuid": "1", "CourseName": "SQL", "CourseGuid": "22", "Remarks": "大sb", "firstdate": "2013-1-1", "firstresult": "合格", "secdate": "2013-2-1", "secresult": "合格", "thirddate": "2013-3-1", "thirdresult": "合格" }, 
{ "SysName": "数据库", "SysGuid": "1", "CourseName": "MySQL", "CourseGuid": "23", "Remarks": "IQ太低", "firstdate": "2013-1-1", "firstresult": "不合格", "secdate": "2013-2-1", "secresult": "不合格", "thirddate": "2013-3-1", "thirdresult": "合格" }, 
{ "SysName": "数据库", "SysGuid": "1", "CourseName": "NoSQL", "CourseGuid": "24", "Remarks": "IQ太低", "firstdate": "2013-1-1", "firstresult": "不合格", "secdate": "2013-2-1", "secresult": "合格", "thirddate": "2013-3-1", "thirdresult": "合格" }, 
{ "SysName": "数据库", "SysGuid": "1", "CourseName": "Oracle", "CourseGuid": "25", "Remarks": "IQ太低", "firstdate": "2013-1-1", "firstresult": "不合格", "secdate": "2013-2-1", "secresult": "合格", "thirddate": "2013-3-1", "thirdresult": "合格" }, 
{ "SysName": "ASP.NET", "SysGuid": "2", "CourseName": "基础", "CourseGuid": "43", "Remarks": "IQ太低", "firstdate": "2013-1-1", "firstresult": "合格", "secdate": "2013-2-1", "secresult": "不合格", "thirddate": "2013-3-1", "thirdresult": "合格" }, 
{ "SysName": "ASP.NET", "SysGuid": "2", "CourseName": "高级", "CourseGuid": "44", "Remarks": "IQ太低", "firstdate": "2013-1-1", "firstresult": "合格", "secdate": "2013-2-1", "secresult": "不合格", "thirddate": "2013-4-1", "thirdresult": "合格" }, 
{ "SysName": "JavaScript", "SysGuid": "3", "CourseName": "基础", "CourseGuid": "54", "Remarks": "IQ太低", "firstdate": "2013-1-1", "firstresult": "合格", "secdate": "2013-2-1", "secresult": "合格", "thirddate": "2013-5-1", "thirdresult": "合格" }, 
{ "SysName": "JavaScript", "SysGuid": "3", "CourseName": "高级", "CourseGuid": "67", "Remarks": "IQ太低", "firstdate": "2013-1-1", "firstresult": "不合格", "secdate": "2013-2-1", "secresult": "合格", "thirddate": "2013-6-1", "thirdresult": "合格" }, 
]; 
createTable(json); 

$("#btnsave").click(function () { 
$("#ta").text(setDataXML()); 
}); 
}); 
function createTable(json) { 
var tb = $("#tb"); 
var sys = new Array; 
for (var i = 0; i < json.length; i++) { 
sys.push(json[i].SysName); 
} 
//过滤重复 
sys = sys.filterRepeat(); 
var tr = null; 
for (var j = 0 ; j < sys.length; j++) { 
tr += "<tr style='text-align: left' class=gridborder id=p" + j + "><td colspan=8>[-]" + sys[j] + "</td></tr>"; 
for (var i = 0; i < json.length; i++) { 
if (json[i].SysName == sys[j]) { 
tr += "<tr parent=p" + j + " style='text-align: center' pguid='" + json[i].SysGuid + "' cguid='" + json[i].CourseGuid + "'><td>" + json[i].CourseName + "</td><td>" + setDate(json[i].firstdate) + "</td><td>" + setSelect(json[i].firstresult) + "</td><td>" + setDate(json[i].secdate) + "</td><td>" + setSelect(json[i].secresult) + "</td><td>" + setDate(json[i].thirddate) + "</td><td>" + setSelect(json[i].thirdresult) + "</td><td>" + setInput(json[i].Remarks) + "</td></tr>" 
} 
} 
} 
tb.append(tr); 
//设置行点击事件 
$("tr.gridborder").css("cursor", "pointer") 
.toggle(function () { 
var txt = $(this).children().text(); 
$(this).children().text(txt.replace("-", "+")); 
}, function () { 
var txt = $(this).children().text(); 
$(this).children().text(txt.replace("+", "-")); 

}).click(function () { 
var id = $(this).attr("id"); 
$(this).siblings("tr[parent='" + id + "']").toggle(); 
}); 
//设置选中变色 
$("tr[parent^=p]").toggle(function () { 
$(this).attr('bgcolor', '#E3e4e5'); 
}, function () { 
$(this).attr('bgcolor', '#ffffff'); 
}); 
} 
function setSelect(obj) { 
return "<select style='width:96%'><option value ='" + obj + "'>" + obj + "</option ><option value='合格'>合格</option><option value='不合格'>不合格</option></select>"; 
} 
function setDate(obj) { 
return "<input style='width:96%' type='text' value='" + obj + "' />"; 
} 
function setInput(obj) { 
return "<input style='width:96%' type='text' value='" + obj + "' />"; 
} 
function setDataXML() { 
var dataxml = $("<DataXML></DataXML>"); 
$("tr[parent^=p]").each(function () { 
var item = $("<Course/>"); 
var sysguid = $(this).attr("pguid"); 
var cguid = $(this).attr("cguid"); 
var fdate = $(this).children().children().eq(0).val(); 
var fresult = $(this).children().children().eq(1).val(); 
var sdate = $(this).children().children().eq(2).val(); 
var sresult = $(this).children().children().eq(3).val(); 
var tdate = $(this).children().children().eq(4).val(); 
var tresult = $(this).children().children().eq(5).val(); 
var remark = $(this).children().children().eq(6).val(); 
item.attr("SysGuid", sysguid).attr("Remarks", remark).attr("CourseGUID", cguid) 
.attr("FirstDate", fdate).attr("FirstResult", fresult) 
.attr("SecDate", sdate).attr("SecResult", sresult) 
.attr("ThirdDate", tdate).attr("ThirdResult", tresult); 
dataxml.append(item); 
}); 
return dataxml[0].outerHTML; 
} 

</script> 
</head> 
<body> 
<form id="form1" runat="server"> 
<div> 

<table id="tb" border="1" style="border-collapse: collapse" width="100%"> 
<tbody> 
<tr style="text-align: center"> 
<td style="width: 100px">课程名称</td> 

<td style="width: 120px">初考时间</td> 
<td style="width: 120px">初考成绩</td> 
<td style="width: 120px">次考时间</td> 
<td style="width: 120px">次考成绩</td> 
<td style="width: 120px">清考时间</td> 
<td style="width: 120px">清考成绩</td> 
<td style="width: 250px">备注</td> 
</tr> 

</tbody> 
</table> 
</div> 
<input id="btnsave" type="button" value="保存" /> 
<textarea id="ta" cols="100" rows="20" ></textarea> 

</form> 

</body> 
</html> 