1. 解决方案1
    3. <van-uploader file-list="{{ fileList }}" max-count="1" deletable="{{ true }}"  bind:after-read="afterRead"/>
    5. afterRead:function(event){
    6.     console.log(event);
    7.     const { file } = event.detail;
    8.     const{fileList=[]} = this.data;
    9.     fileList.push({url:file.path});
    10.     this.setData({fileList})
    11.     console.log(fileList)
    12. } 
    13. ---------------------------------------------------------------------------------------
    14. 官方代码 
    16. <van-uploader file-list="{{ fileList }}" bind:after-read="afterRead" />
    18.   Page({
    19.   data: {
    20.     fileList: [],
    21.   },
    23.   afterRead(event) {
    24.     const { file } = event.detail;
    25.     // 当设置 mutiple 为 true 时, file 为数组格式，否则为对象格式
    26.     wx.uploadFile({
    27.       url: 'https://example.weixin.qq.com/upload', // 仅为示例，非真实的接口地址
    28.       filePath: file.url,
    29.       name: 'file',
    30.       formData: { user: 'test' },
    31.       success(res) {
    32.         // 上传完成需要更新 fileList
    33.         const { fileList = [] } = this.data;
    34.         fileList.push({ ...file, url: res.data });
    35.         this.setData({ fileList });
    36.       },
    37.     });
    38.   },
    39. });
    41. ---------------------------------------------------------------------------------------
    42. 解决反感2
    43. <van-uploader file-list="{{ fileList }}" bind:after-read="afterRead" bind:delete="delete" multiple="{{true}}" preview-size='80rpx' max-count="1"/>
    45.  // 图片预览
    46.  afterRead(event) {
    47.     const { file } = event.detail; // 当设置 mutiple 为 true 时, file 为数组格式，否则为对象格式
    48.     this.setData({
    49.       fileList: file,
    50.     });
    51.     this.uploadImg(file);
    52.  },
    53.  // 删除图片
    54.  delete(event) {
    55.     console.log(event);
    56.     let imgDelIndex = event.detail.index;
    57.     let fileList = this.data.fileList;
    58.     fileList.splice(imgDelIndex, 1);
    59.     console.log("删除图片的", fileList);
    60.     this.setData({
    61.       fileList,
    62.     });
    63.     this.uploadImg(fileList);
    64.   },
    65.  // 上传图片
    66.  uploadImg(file) {
    67.     let _this = this;
    68.     var imgUrl = [];
    69.     // 多张图片上传
    70.     for (var i = 0; i < file.length; i++) {
    71.       wx.uploadFile({
    72.         url: baseUrl + forumUploadImg, //写自己的路径
    73.         filePath: file[i].path,
    74.         name: "img",
    75.         formData: {
    76.           img: file[i].path,
    77.         },
    78.         success: function (res) { 
    80.         },
    81.       });
    82.     }
    83.  },