流保存为文件

var content = res.data; // 文件流内容
var data = new Blob([content],{type:"application/octet-stream"}); //文件流类型,参考 http://tool.oschina.net/commons/
// ie浏览器
if (window.navigator.msSaveOrOpenBlob) {
   navigator.msSaveBlob(data, filename);
} else {
  var downloadUrl = window.URL.createObjectURL(data); 
  var anchor = document.createElement("a"); 
  anchor.href = downloadUrl;
  anchor.download = "default.txt";//下载的文件名
  anchor.click(); window.URL.revokeObjectURL(data);
}

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转载自www.cnblogs.com/zhenggaowei/p/9828435.html