资源列表增加pdf 展示功能

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

@@ -39,12 +39,17 @@ class Fileslistitem extends Component{
 
 						if(result.data.attachment_histories.length===0){
 							if(result.data.is_pdf===true){
-								axios.get(result.data.url).then((result)=>{
-									var binaryData = [];
-									binaryData.push(result.data);
-									this.url =window.URL.createObjectURL(new Blob(binaryData, {type:"application/pdf"}));
-									window.open(this.url);
-								})
+								//预览pdf
+								axios({
+									method:'get',
+								  url:result.data.url,
+									responseType: 'arraybuffer',
+								}).then((result)=>{
+										var binaryData = [];
+										binaryData.push(result.data);
+										 this.url =window.URL.createObjectURL(new Blob(binaryData, {type:"application/pdf"}));
+										window.open(this.url);
+									})
 							}else{
 							let link = document.createElement('a');
 							document.body.appendChild(link);

public/react/src/modules/courses/coursesPublic/Showoldfiles.js

@@ -43,7 +43,11 @@ class Showoldfiles extends Component{
 	}
 
 	showfiless=(url)=>{
-			axios.get(url).then((result)=>{
+		axios({
+			method:'get',
+			url:url,
+			responseType: 'arraybuffer',
+		}).then((result)=>{
 			var binaryData = [];
 			binaryData.push(result.data);
 			this.url =window.URL.createObjectURL(new Blob(binaryData, {type:"application/pdf"}));