emis-app/common/upload.js

import { handleResponse } from './manageServer.js'
import { apiUrls } from './api'  //接口配置
import { showToast } from "./untool"


const chooseFile = function (action = 'chooseImage', opt = {}) {
  let opts = {
    // sizeType: ['original', 'compressed'],  // 可以指定是原图还是压缩图，默认二者都有
    sizeType: ['compressed'],
    sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
    ...opt
  }
  return new Promise((resolve, reject) => {
    uni[action]({
      count: 1, // 默认9
      ...opts,
      success: function (res) {
        // 返回选定照片的本地文件路径列表，tempFilePath可以作为img标签的src属性显示图片
        var tempFilePaths = res.tempFilePaths || [res.tempFilePath]
		if (tempFilePaths.length > opts.count) {
			reject()
			return showToast(`最多选择${opts.count}个`)
		}
        resolve(tempFilePaths)
      },
      fail: function (res) {
        reject()
      }
    })
  })
}

const doRequest =  function (file) {
  return new Promise((resolve, reject) => {
    uni.uploadFile({
      url: `${apiUrls.uploadFile}`,
	  fileType: 'image', // TODO
      filePath: file,
      name: 'file',
      formData: {
        // 'user': 'test'
      },
      success(res) {
        try {
          const data = JSON.parse(res.data)
          handleResponse(data, resolve, reject)
        } catch (error) {
          reject()
        }
      },
      fail() {
        reject()
      }
    })
  })
}

// 单 选择并上传文件
const coreUploadFile = function (action = 'chooseImage', opt = {}) {
  return chooseFile(action, opt).then(async (files) => {
    if (opt.asyncFileFun) {
      const newFiles = await opt.asyncFileFun(files)
      files = newFiles
    }
    uni.showLoading()
    return doRequest(files[0]).then(res => {
      return res
    }).finally(()=> {
		uni.hideLoading()
	})
  })
}

// 多 选择并上传文件
const coreMultiUploadFile = async (action = 'chooseImage', opt = {})=> {
	let files = await chooseFile(action, opt)
	files = files || []
	const allDef = []
	if (opt.asyncFileFun) {
	  const newFiles = await opt.asyncFileFun(files)
	  files = newFiles
	}
	uni.showLoading()
	files.map(val=>{
	  const def = doRequest(val).then(res => {
	    return res
	  })
	  allDef.push(def)
	})
	try{
		let resFiles = await Promise.all(allDef)
		uni.hideLoading()
		return resFiles
	}catch(e){
		uni.hideLoading()
		return files
	}
}

export {
  coreUploadFile,
  coreMultiUploadFile
}