uniapp小程序上传单张/多张照片到服务器(封装方法)

uniapp上传单张/多张照片到服务器(封装方法)

//operate.js文件内容
//export const api = 'http://192.168.0.7:8080/'
import {
    
    
	api
} from '@/utils/operate.js'
/*
 * @param config:{
 * 	url - uni.uploadFile { url } 文件请求接口路径 as String
 * 	filePath - uni.uploadFile { filePath } 文件路径 as String
 * 	name - uni.uploadFile { name } as String
 * 	header - uni.uploadFile { header } 自定义请求头 as Object
 * 	showToast - uni.uploadFile { showToast } 是否显示请求结果 as Boolean
 * }
 */
 //封装上传单个图片
export const uploadFile = (config = {
     
     }) => {
    
    
	const {
    
    
		url = `${
      
      api}/app/upload/image`,
			filePath = null,
			name = 'file',
			header = {
    
    
				"Content-Type": "multipart/form-data",
			},
			showToast = true
	} = config
	return new Promise((resolve, reject) => {
    
    
		uni.uploadFile({
    
    
			url, //文件服务器地址
			filePath, //文件路径
			name,
			header,
			success(res) {
    
    
				showToast && uni.showToast({
    
    
					title: '上传成功',
					icon: "none"
				});
				resolve(JSON.parse(res.data))
			},
			fail(err) {
    
    
				showToast && uni.showToast({
    
    
					title: '上传失败',
					icon: "none"
				});
				reject(err)
			}
		});
	})
}

 //封装上传多张图片
 /*
 * @param config:{
 * 	urls - 文件请求列表 [String,String...] as Array
 * 	showOnlyOrBatch - 'Only' | 'Batch' | 'All' | 'None' 显示提示类型 as String
 * }
 */
export const uploadFileMore = (config = {
     
     }) => {
    
    
	const {
    
    
		urls = [],
			showOnlyOrBatch = 'Only'
	} = config
	let fileIndex = 0;
	let successList = []
	return new Promise((resolve, reject) => {
    
    
		(function uploadFileFun() {
    
    
			uploadFile({
    
    
				filePath: urls[fileIndex].url,
				showToast: false
			}).then(res => {
    
    
				if (showOnlyOrBatch != 'None' && (showOnlyOrBatch == 'Only' ||
						showOnlyOrBatch == 'All')) {
    
    
					uni.showToast({
    
    
						title: `正在上传: ${
      
      fileIndex+1}/${
      
      urls.length}`,
						icon: "none"
					})
				}
				fileIndex += 1
				successList.push(res.data)
				if (fileIndex > urls.length - 1) {
    
    
					fileIndex = 0
					if (showOnlyOrBatch != 'None' && (showOnlyOrBatch == 'Batch' ||
							showOnlyOrBatch == 'All')) {
    
    
						uni.showToast({
    
    
							title: '批量上传成功',
							icon: "none"
						})
					}
					resolve(successList)
					return
				}
				setTimeout(() => {
    
    
					uploadFileFun(urls)
				}, 1000)
			}).catch((error) => {
    
    
				console.log('error', error);
				fileIndex = 0
				uni.showToast({
    
    
					title: '批量上传失败',
					icon: "none"
				});
				reject(false)
			})
		})()
	})
}