uni-app 上传图片并压缩（uView)

柔光的暖阳◎ 2022-09-03 00:25 1003阅读 0赞

data:{ 
        maxCount: 3, //最大数量 
    	arrimg: [], // 组件内部的文件列表
    	isfile: -1, //判断图片是否上传完成
    },
    
    
    
    //this.$refs.uUpload.clear()//清空组件内部的文件列表(初始化)
    // 打开相册
    onListChange(lists) {
    	// console.log('onListChange', lists);
    	// this.lists = lists;
    	var _self = this;
    	_self.arrimg = [];
    	for (var i = 0; i < lists.length; i++) {
    		_self.uploadFile(lists[i].url);
    	}
    	setTimeout(function() {
    		console.log(_self.arrimg);
    	}, 1000);
    },
    //删除照片
    beforeRemove(index, lists) {
    	return true;
    },
    // 上传图片到阿里云OSS
    uploadFile(url) {
    	let tiemr = new Date();
    	let address = tiemr.getFullYear() + '' + (tiemr.getMonth() + 1) + '' + tiemr.getDate();
    	address = 'gld/dt/' + address + '/';
    	let imageSrc = url;
    	let str = imageSrc.substr(imageSrc.lastIndexOf('.'));
    	let nameStr = address + tiemr.getTime() + str;
    	let ossUrl = this._ossUrl;
    	// console.log(imageSrc, str)
    	var _self = this;
    	_self.isfile = 0
    	uni.showLoading({
    		title: "上传中..."
    	}); //数据加载中
    	uni.uploadFile({
    		url: ossUrl, //输入你的bucketname.endpoint
    		filePath: imageSrc,
    		fileType: ['image', 'video'],
    		name: 'file',
    		formData: {
    			name: nameStr,
    			key: nameStr,
    			policy: this._policy, // 输入你获取的的policy
    			OSSAccessKeyId: this._OSSAccessKeyId, // 输入你的AccessKeyId
    			success_action_status: '200', // 让服务端返回200,不然，默认会返回204
    			signature: this._signature // 输入你获取的的signature
    		},
    		success: res => {
    			if (res.statusCode == '200') {
    				console.log(ossUrl + '/' + nameStr)
    				let cropFilePath = ossUrl + '/' + nameStr;
    				_self.arrimg.push(cropFilePath);
    				_self.isfile = -1
    				uni.hideLoading(); //关闭加载
    			} else {
    				// console.log(res)
    			}
    		}
    	});
    },