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javascript将json格式数组下载为excel表格的方法

程序员文章站 2022-05-03 14:50:34
实例如下：

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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