uniapp 之 图片 视频 文件上传

<view class="" style="padding: 24rpx 0">
				<text>相关资料 <text class="fs-26 color-666">（图片、视频、文档不超过9个）</text> </text>
				<view class="flex align-center" style="margin-top: 17rpx;">
					<u-upload accept="all" :fileList="fileList1" @afterRead="afterRead" @delete="deletePic" name="1" multiple
						:maxCount="9">
					</u-upload>
				</view>
			</view>

submit() {
    
    
				if (this.fileList1.length) {
    
    
					let urls = [];
					this.fileList1.forEach(el => {
    
    
						urls.push({
    
    
							type: el.types,
							url: el.url,
						})
					});
					this.info.pic = JSON.stringify(urls);
				}
				uni.showModal({
    
    
					title: '',
					content: '确认提交？',
					success: res => {
    
    
						if (res.confirm) {
    
    
							// 创建订单
							this.$http({
    
    
								url: "/api",
								data: this.info,
							}).then(res1 => {
    
    
								uni.$u.toast('提交成功');
								setTimeout(()=>{
    
    
									this.$xf.on('/pages/mine');
								},2000)
								
							})
						} else if (res.cancel) {
    
    
							console.log('用户点击取消');
						}
					}
				});
			},
			// 删除图片
			deletePic(event) {
    
    
				this[`fileList${
      
      event.name}`].splice(event.index, 1);
			},
			// 新增图片
			async afterRead(event) {
    
    
				// 当设置 mutiple 为 true 时, file 为数组格式，否则为对象格式
				let lists = [].concat(event.file);
				let fileListLen = this[`fileList${
      
      event.name}`].length;
				lists.map((item) => {
    
    
					this[`fileList${
      
      event.name}`].push({
    
    
						...item,
						status: "uploading",
						message: "上传中",
					});
				});
				for (let i = 0; i < lists.length; i++) {
    
    
					// 接口返回数据
					const result = await this.uploadFilePromise(lists[i].url);
					let item = this[`fileList${
      
      event.name}`][fileListLen];
					if (item.type == "video") {
    
    
						item.types = 2;
					} else if (item.type == "image") {
    
    
						item.types = 1;
					} else {
    
    
						item.types = 3;
					}
					this[`fileList${
      
      event.name}`].splice(
						fileListLen,
						1,
						Object.assign(item, {
    
    
							status: "success",
							message: "",
							url: JSON.parse(result).data.url,
						})
					);
					fileListLen++;
				}
				console.log(this.fileList1);
			},
			uploadFilePromise(url) {
    
    
				return new Promise((resolve, reject) => {
    
    
					let a = uni.uploadFile({
    
    
						url: getApp().globalData.baseURL + "/api", // 仅为示例，非真实的接口地址
						filePath: url,
						name: "file",
						header: {
    
    
							"Authorization": uni.getStorageSync("token")
						},
						success: (res) => {
    
    
							setTimeout(() => {
    
    
								resolve(res.data);
							}, 500);
						},
					});
				});
			},