|  |  | 
 |  |  |                     <div class="form_item_val"> | 
 |  |  |                         <el-upload | 
 |  |  |                             class="upload-demo" | 
 |  |  |                             action="https://jsonplaceholder.typicode.com/posts/" | 
 |  |  |                             action="https://locahost:10023/public/upload" | 
 |  |  |                             :on-preview="handlePreview" | 
 |  |  |                             :on-remove="handleRemove" | 
 |  |  |                             :before-remove="beforeRemove" | 
 |  |  |                             multiple | 
 |  |  |                             :limit="1" | 
 |  |  |                             :on-exceed="handleExceed" | 
 |  |  |                             :file-list="fileList"> | 
 |  |  | 
 |  |  |       reverse: true, | 
 |  |  |       radio: 0, | 
 |  |  |       fileList: [ | 
 |  |  |           {name: 'food.pdf', url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100'} | 
 |  |  |       ], | 
 |  |  |       activities: [{ | 
 |  |  |           content: '活动按期开始', | 
 |  |  | 
 |  |  |      }, | 
 |  |  |     getDetail(){ | 
 |  |  |       getDetail(this.dataId).then(res => { | 
 |  |  |  | 
 |  |  |       }).catch(err => { | 
 |  |  |       }) | 
 |  |  |     }, |