//参数说明：jsonData jsonData,  FileName 要导出的文件名  ，ShowLabel = 表头function export2Excel(jsonData, FileName, ShowLabel) {  	 if(jsonData=='' || jsonData == null){		 alert("暂无数据无法导出！");		 return;	 }	 if(FileName=='' || FileName == null){		 alert("文件名设置错误！");		 return;	 }	 if(ShowLabel=='' || ShowLabel == null){		 alert("表头为空无法导出！");		 return;	 }		var excel = '
    
     ';  	//生成表头   	var row = "
       ";   	for (var i = 0; i < ShowLabel.length; i++) {   	    row += "
';   	}   	excel += row + "
";  	//循环生成表身   	for (var i = 0; i < jsonData.length; i++) {   	    var row = "
       ";   	    for (var j in jsonData[i]) {   	        var td = jsonData[i][j];   	        row += '
';   	    }   	    excel += row + "
";   	}  	excel += "
     
      
       
" + ShowLabel[i] + '
      
      
       
' + td + '
      
     
    
";   	console.log(excel);  	//组装excel	var excelFile = "";   	excelFile += '
    ';   	excelFile += '
    ';   	excelFile += "";   	excelFile += "
    ";   	excelFile += "";   	excelFile += "";   	excelFile += excel;   	excelFile += "";   	excelFile += "";  	var uri = 'data:application/vnd.ms-excel;charset=utf-8,' + encodeURIComponent(excelFile);   	var link = document.createElement("a");   	link.href = uri; link.style = "visibility:hidden";   	link.download =  FileName+".xls";   	document.body.appendChild(link);   	link.click();   	document.body.removeChild(link);   }