[download file] uniapp develops small programs, downloads files and saves them locally

One 、 The renderings are as follows ：

Realization effect ： Click file attachment , Download to local

Two 、 Specific code ：

<view class="contact" @click="downloadFun(item.enclosure)"> Click to download </view>

	//  Download the attachment 
	downloadFun(enclosure){
    
		var that = this
		console.log(' Print file path ：',that.hostUrl + '/uploads'+ enclosure)
		uni.downloadFile({
    
			url: that.hostUrl + '/uploads'+ enclosure,// The download address interface returns 
			success: (data) => {
    
				console.log(' Print data',data)
				if (data.statusCode === 200) {
    
					// Save the file locally 
					uni.saveFile({
    
						tempFilePath: data.tempFilePath, // Temporary path 
							success: function(res) {
    
								uni.showToast({
    
									icon: 'none',
									mask: true,
									// title: ' The file has been saved ：' + res.savedFilePath, // Save the path 
									title: ' File downloaded successfully ' , 
									duration: 3000,
							});
							setTimeout(() => {
    
								// Open document view 
								uni.openDocument({
    
									filePath: res.savedFilePath,
										success: function(res) {
    
											// console.log(' Successfully opened the document ');
										}
									});
								}, 3000)
							}
				});
			}
		},
		fail: (err) => {
    
			console.log(err);
				uni.showToast({
    
						icon: 'none',
						mask: true,
						title: ' File download failed ',
				});
			},
		});
},

ending~