JS怎样将json格式数组下载到excel表格里

程序员文章站 2022-03-25 19:03:08

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这次给大家带来JS怎样将json格式数组下载到excel表格里，JS将json格式数组下载到excel表格里的注意事项有哪些，下面就是实战案例，一起来看一下。

实例如下：

<html> 
<head> 
  <meta http-equiv="content-type" content="text/html; charset=utf-8"> 
  <script type="text/javascript" src="jquery183.min.js"></script> 
  <script type="text/javascript"> 
    $(document).ready(function(){ 
      $('#wwo').click(function(){ 
        var data = {
"title":
[
{"value":"A1标题"}, 
{"value":"B1标题"}
],
"data":
[
[
{"value":"好好"}, 
{"value":"2015-08-24"}
],
[
{"value":"123"}, 
{"value":"hahah"}
]
]
}; 
        if(data == ''){ 
          return; 
}else{
JSONToExcelConvertor(data.data, "Report", data.title); 
}
      }); 
    }); 
 
    function JSONToExcelConvertor(JSONData, FileName, ShowLabel) { 
      //先转化json 
      var arrData = typeof JSONData != 'object' ? JSON.parse(JSONData) : JSONData; 
       
      var excel = '<table>';   
       
      //设置表头 
      var row = "<tr>"; 
      for (var i = 0, l = ShowLabel.length; i < l; i++) { 
        row += "<td>" + ShowLabel[i].value + '</td>'; 
      } 
       
       
      //换行 
      excel += row + "</tr>"; 
       
      //设置数据 
      for (var i = 0; i < arrData.length; i++) { 
        var row = "<tr>"; 
         
        for (var index in arrData[i]) { 
          var value = arrData[i][index].value === "." ? "" : arrData[i][index].value; 
          row += '<td>' + value + '</td>'; 
        } 
         
        excel += row + "</tr>"; 
      } 
 
      excel += "</table>"; 
 
      var excelFile = "<html xmlns:o='urn:schemas-microsoft-com:office:office' xmlns:x='urn:schemas-microsoft-com:office:excel' xmlns='http://www.w3.org/TR/REC-html40'>"; 
      excelFile += '<meta http-equiv="content-type" content="application/vnd.ms-excel; charset=UTF-8">'; 
      excelFile += '<meta http-equiv="content-type" content="application/vnd.ms-excel'; 
      excelFile += '; charset=UTF-8">'; 
      excelFile += "<head>"; 
      excelFile += "<!--[if gte mso 9]>"; 
      excelFile += "<xml>"; 
      excelFile += "<x:ExcelWorkbook>"; 
      excelFile += "<x:ExcelWorksheets>"; 
      excelFile += "<x:ExcelWorksheet>"; 
      excelFile += "<x:Name>"; 
      excelFile += "{worksheet}"; 
      excelFile += "</x:Name>"; 
      excelFile += "<x:WorksheetOptions>"; 
      excelFile += "<x:DisplayGridlines/>"; 
      excelFile += "</x:WorksheetOptions>"; 
      excelFile += "</x:ExcelWorksheet>"; 
      excelFile += "</x:ExcelWorksheets>"; 
      excelFile += "</x:ExcelWorkbook>"; 
      excelFile += "</xml>"; 
      excelFile += "<![endif]-->"; 
      excelFile += "</head>"; 
      excelFile += "<body>"; 
      excelFile += excel; 
      excelFile += "</body>"; 
      excelFile += "</html>"; 
 
       
      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); 
    } 
  </script> 
</head> 
<body> 
  <input type="button" id="wwo" value="导出" /> 
</body> 
</html>

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