调整

public/react/src/modules/courses/Resource/Fileslistitem.js

@@ -28,16 +28,24 @@ class Fileslistitem extends Component{
         this.props.Settingtypes(discussMessage.id)
     }
 
-	downloadfiles=(url,name)=>{
+	downloadfiles=(url)=>{
-		const aLink = document.createElement('a');
+		axios.get((url),{responseType: 'blob'}).then((response) => {
-		aLink.style.display='none';
+			const blob = new Blob([response.data]);
-    console.log(name)
+			const downloadElement = document.createElement('a');
-		aLink.setAttribute('download',name)
+			const href = window.URL.createObjectURL(blob);
-		aLink.href = url;
+			// const  string = Base64.decode(response.headers['content-disposition'].split('=')[1]);
-		document.body.appendChild(aLink);
+			const  string = response.headers['content-disposition'].split('=')[1];
-		aLink.click();
+			downloadElement.href = href;
-		// document.body.removeChild(aLink);
+			downloadElement.download = string;
+			document.body.appendChild(downloadElement);
+			downloadElement.click();
+			document.body.removeChild(downloadElement) ;// 下载完成移除元素
+			window.URL.revokeObjectURL(href) // 释放掉blob对象
+		}).catch((error) => {
+			console.log(error)
+		});
 	}
+	
     showfiles=(value)=>{
         let {discussMessage,coursesId}=this.props
         let file_id=discussMessage.id
@@ -47,16 +55,14 @@ class Fileslistitem extends Component{
                 course_id:coursesId
             },
         }).then((result)=>{
-
             if(result.data.attachment_histories.length===0){
-							this.downloadfiles(result.data.url,result.data.title)
+							this.downloadfiles(result.data.url)
 						}else{
                 this.setState({
                     Showoldfiles:true,
                     allfiles:result.data
                 })
             }
-
         }).catch((error)=>{
             console.log(error)
         })