图片预览调整

src/api/common.js

@@ -57,18 +57,13 @@ export function previewFile(id, responseType = 'arraybuffer') {
 			responseType,
 			success(result) {  
 				console.log(result)
-				// #ifdef APP-PLUS
-				let _header = result.header['Content-Type'].split(';')[0]
-				// #endif
-				// #ifndef APP-PLUS
 				let _header = result.header['content-type'].split(';')[0]
-				// #endif
 				// let base64 = new Blob([result.data],{type:result.header['content-type'].split(';')[0]})
 				let base64 = `data:${_header};base64,` + uni.arrayBufferToBase64(result.data)
 				resolve(base64)
 			},  
 			fail(error) {    
-				reject(new Error('Upload failed'));  
+				reject(new Error(error));  
 			}  
 		});  
 	});
@@ -87,16 +82,16 @@ export function previewCacheThumbImage(id, width = 30, height = 30) {
 		uni.request({  
 			url: `${baseUrl}/traoss/tras3/getCacheThumbImage/${id}/${width}/${height}`,  
 			header,  
-			responseType,
 			success(result) {  
-				console.log(result)
-				let _header = result.header['content-type'].split(';')[0]
-				// let base64 = new Blob([result.data],{type:result.header['content-type'].split(';')[0]})
-				let base64 = `data:${_header};base64,` + uni.arrayBufferToBase64(result.data)
-				resolve(base64)
+				if(result.data.rtnCode === '0000'){
+					let base64 = `data:image/png;base64,` + result.data.body
+					resolve(base64)
+				}else{
+					reject(new Error(result.data.message))
+				}
 			},  
 			fail(error) {    
-				reject(new Error('Upload failed'));  
+				reject(new Error(error));  
 			}  
 		});  
 	});

src/components/course-item/course-item.vue

@@ -1,7 +1,7 @@
 <template>
 	<view class="course-item-box" @click="clickItem">
 		<view class="img-box-view">
-			<ImagePreview class="img-box" :imgId="itemInfo.imgId"></ImagePreview>
+			<ImagePreview class="img-box" :imgId="itemInfo.imgId" :isCache="true"></ImagePreview>
 			<view class="item-grade">{{itemInfo.evalGrade}}</view>
 		</view>
 		<view class="cont-box">