下载优化

src/utils/download/download2.js

@@ -5,49 +5,49 @@
 
 // data can be a string, Blob, File, or dataURL
 
-		 
-						 
-						 
-function download(data, strFileName, strMimeType) {
-	
+
+
+
+function download (data, strFileName, strMimeType) {
+
 	var self = window, // this script is only for browsers anyway...
 		u = "application/octet-stream", // this default mime also triggers iframe downloads
-		m = strMimeType || u, 
+		m = strMimeType || u,
 		x = data,
 		D = document,
 		a = D.createElement("a"),
 		z = function(a){return String(a);},
-		
-		
+
+
 		B = self.Blob || self.MozBlob || self.WebKitBlob || z,
 		BB = self.MSBlobBuilder || self.WebKitBlobBuilder || self.BlobBuilder,
 		fn = strFileName || "download",
-		blob, 
+		blob,
 		b,
 		ua,
 		fr;
 
 	//if(typeof B.bind === 'function' ){ B=B.bind(self); }
-	
+
 	if(String(this)==="true"){ //reverse arguments, allowing download.bind(true, "text/xml", "export.xml") to act as a callback
 		x=[x, m];
 		m=x[0];
-		x=x[1]; 
+		x=x[1];
 	}
-	
-	
-	
+
+
+
 	//go ahead and download dataURLs right away
 	if(String(x).match(/^data\:[\w+\-]+\/[\w+\-]+[,;]/)){
 		return navigator.msSaveBlob ?  // IE10 can't do a[download], only Blobs:
-			navigator.msSaveBlob(d2b(x), fn) : 
+			navigator.msSaveBlob(d2b(x), fn) :
 			saver(x) ; // everyone else can save dataURLs un-processed
 	}//end if dataURL passed?
-	
+
 	try{
-	
-		blob = x instanceof B ? 
-			x : 
+
+		blob = x instanceof B ?
+			x :
 			new B([x], {type: m}) ;
 	}catch(y){
 		if(BB){
@@ -55,11 +55,11 @@ function download(data, strFileName, strMimeType) {
 			b.append([x]);
 			blob = b.getBlob(m); // the blob
 		}
-		
+
 	}
-	
-	
-	
+
+
+
 	function d2b(u) {
 		var p= u.split(/[:;,]/),
 		t= p[1],
@@ -73,11 +73,11 @@ function download(data, strFileName, strMimeType) {
 
 		return new B([uia], {type: t});
 	 }
-	  
+
 	function saver(url, winMode){
-		
-		
-		if ('download' in a) { //html5 A[download] 			
+
+
+		if ('download' in a) { //html5 A[download]
 			a.href = url;
 			a.setAttribute("download", fn);
 			a.innerHTML = "downloading...";
@@ -89,44 +89,44 @@ function download(data, strFileName, strMimeType) {
 			}, 66);
 			return true;
 		}
-		
+
 		//do iframe dataURL download (old ch+FF):
 		var f = D.createElement("iframe");
 		D.body.appendChild(f);
 		if(!winMode){ // force a mime that will download:
 			url="data:"+url.replace(/^data:([\w\/\-\+]+)/, u);
 		}
-		 
-	
+
+
 		f.src = url;
 		setTimeout(function(){ D.body.removeChild(f); }, 333);
-		
-	}//end saver 
-		
+
+	}//end saver
+
 
 	if (navigator.msSaveBlob) { // IE10+ : (has Blob, but not a[download] or URL)
 		return navigator.msSaveBlob(blob, fn);
-	} 	
-	
+	}
+
 	if(self.URL){ // simple fast and modern way using Blob and URL:
 		saver(self.URL.createObjectURL(blob), true);
 	}else{
 		// handle non-Blob()+non-URL browsers:
 		if(typeof blob === "string" || blob.constructor===z ){
 			try{
-				return saver( "data:" +  m   + ";base64,"  +  self.btoa(blob)  ); 
+				return saver( "data:" +  m   + ";base64,"  +  self.btoa(blob)  );
 			}catch(y){
-				return saver( "data:" +  m   + "," + encodeURIComponent(blob)  ); 
+				return saver( "data:" +  m   + "," + encodeURIComponent(blob)  );
 			}
 		}
-		
+
 		// Blob but not URL:
 		fr=new FileReader();
 		fr.onload=function(e){
-			saver(this.result); 
+			saver(this.result);
 		};
 		fr.readAsDataURL(blob);
-	}	
+	}
 	return true;
 } /* end download() */
 

src/views/yqrange/live-manage.vue

@@ -261,6 +261,7 @@
 </template>
 <script>
 import {openLoading, closeLoading} from "../../utils/utils";
+import download from "@/utils/download/download2";
 
 let vm = null;
 import BreadCrumb from "@/components/breadcrumb.vue";