Javascript SheetJs中的多加载文件xls

Javascript SheetJs中的多加载文件xls,javascript,xls,Javascript,Xls,我想尝试在SheetJS中多加载xls文件和查看值,但只能在数组url中最后一次使用 <!doctype html> <html> <head> <title>Excel to JSON Demo</title> <script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.10.7/xlsx.full.min.js"></script> </head

我想尝试在SheetJS中多加载xls文件和查看值,但只能在数组url中最后一次使用

<!doctype html>
<html>
<head>
<title>Excel to JSON Demo</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.10.7/xlsx.full.min.js"></script>
</head>
<body>

<script>
/* set up XMLHttpRequest */

var url = new Array();
url.push("2017_01_Zole.xls");
url.push("2017_03_TK.xls");
url.push("2017_05_Psy.xls");

for(var z = 0; z<url.length; z++){
    var oReq = new XMLHttpRequest();
    oReq.open("GET", url[z], true);
    oReq.responseType = "arraybuffer";
    oReq.onload = function(e) {
      var arraybuffer = oReq.response;

      /* convert data to binary string */
      var data = new Uint8Array(arraybuffer);
      var arr = new Array();
      for(var i = 0; i != data.length; ++i) arr[i] = String.fromCharCode(data[i]);
      var bstr = arr.join("");

      /* Call XLSX */
      var workbook = XLSX.read(bstr, {type:"binary"});

      /* DO SOMETHING WITH workbook HERE */
      var first_sheet_name = workbook.SheetNames[0];
      /* Get worksheet */
      var worksheet = workbook.Sheets[first_sheet_name];
     // jsn = XLSX.utils.sheet_to_json(worksheet,{raw:true});
      console.log(worksheet['F3'].v +' = '+ worksheet['J3'].v);

    };
    oReq.send();
}

</script>
</body>
</html>

Excel到JSON演示
/*设置XMLHttpRequest*/
var url=新数组();
url.push(“2017_01_Zole.xls”);
url.push(“2017_03_TK.xls”);
url.push(“2017_05_Psy.xls”);

对于(var z=0;z将解决方案从问题移动到答案:

编辑: 问题解决

var x = 0;
function xlsy(urls){
    var oReq = new XMLHttpRequest();
    oReq.open("GET", urls, true);
    //.......
    oReq.send();
    x++;
    if(x < url.length){
        xlsy(url[x])
    }
}
xlsy(url[0]);
var x=0;
函数xlsy(URL){
var oReq=新的XMLHttpRequest();
open(“GET”,url,true);
//.......
oReq.send();
x++;
if(x