详解mpvue开发小程序小总结

import wx from 'wx'import Fly from 'flyio'import store from '../store/index'const fly = new Fly()fly.config.baseURL = process.env.BASE_URLfly.config.timeout = 5000//http 请求拦截器fly.interceptors.request.use((config) => { wx.showNavigationBarLoading()//导航条加载动画 //给所有请求添加自定义header if (store.getters.accessToken) {  config.headers['Authorization'] = `JWT ${store.getters.accessToken}` } config.headers['X-Tag'] = 'flyio' return config})//http 响应拦截器fly.interceptors.response.use((response) => {  wx.hideNavigationBarLoading()//导航条加载动画  const res = response.data  if (res.status === 0 && (res.errCode === 401 || res.errCode === 403)) {   //跳转到登录页面   wx.redirectTo({    url: '/pages/welcome/main',   })  }  return res }, (err) => {  wx.hideNavigationBarLoading()//导航条加载动画  //发生网络错误后会走到这里  return Promise.reject(err.response) },)export default fly

import wx from 'wx'import { loginByCode } from '../api/weAppAuth' //登录接口import store from '../store'/** * 登录 * @returns {Promise<any>} */export function weAppLogin () { return new Promise((resolve, reject) => {  // 先调用 wx.login 获取到 code  wx.login({   success: (res) => {    wx.getUserInfo({     lang: 'zh_CN',     success: ({rawData, signature, encryptedData, iv, userInfo}) => {      let data = {       code: res.code,       rawData,       signature,       encryptedData,       iv,       userInfo,      }      // console.log(JSON.stringify(data))      loginByCode(data).then(res => {       // 该为我们后端的逻辑 若code > 0为登录成功，其他情况皆为异常 （视自身情况而定）       if (res.status === 1) {        // 保存用户信息相关操作        ...        resolve(res)       } else {        reject(res)       }      }).catch(err => {       reject(err)      })     },     // 若获取不到用户信息 （最大可能是用户授权不允许，也有可能是网络请求失败，但该情况很少）     fail: (err) => {      reject(err)     },    })   },  }) })}

 <button    class="default-btn "    open-type="getUserInfo"    @getuserinfo="onGotUserInfo"    type="primary"   >    微信登录</button> methods: {   //登录   onGotUserInfo ({mp}) {    const {detail} = mp    if (!detail.rawData) {     Dialog({      title: '重新授权',      message: '需要获取您的公开信息（昵称、头像等），请点击"微信登录"进行授权',      confirmButtonText: '确定',      confirmButtonColor: '#373737',     })    } else {     weAppLogin().then(res => {      console.log(res)      Toast({       type: 'success',       message: '登录成功',       selector: '#zan-toast-test',       timeout:1000      })      setTimeout(() => {       wx.switchTab({        url: '/pages/index/main',       })      }, 1000)     }).catch(err => {      console.log(err)     })    }   },  },

import wx from 'wx'/** * 支付 * @param data * @returns {Promise<any>} */export function wechatPay (data) { const {timeStamp, nonceStr, signType, paySign} = data return new Promise((resolve, reject) => {  wx.requestPayment({   timeStamp: timeStamp,   nonceStr: nonceStr,   package: data.package,   signType: signType,   paySign: paySign,   success: (res) => {    resolve(res)   },   fail: (err) => {    reject(err)   },  }) })}

const COS = require('../../static/js/cos-wx-sdk-v5')import fly from './request'export const Bucket = process.env.Bucketexport const Region = process.env.Region// 文件扩展名提取export function fileType (fileName) { return fileName.substring(fileName.lastIndexOf('.') + 1)}// 名称定义export function path(id, type, fileType) { const date = new Date() const year = date.getFullYear() const month = date.getMonth() + 1 const day = date.getDate() var time = date.toTimeString() time = time.substr(0, 8) time = time.replace(/:/g, '-') return `/mobile/groups/${id}/${type}/` +  (year + '-' + (month < 10 ? '0' + month : String(month)) + '-' +   (day < 10 ? '0' + day : String(day)) + '-' + time) + '.' + fileType}// base64转换成file文件export function Base64ToBlob (urlData) { // 去掉url的头，并转换为byte let bytes = window.atob(urlData.split(',')[1]) // 处理异常,将ascii码小于0的转换为大于0 let ab = new ArrayBuffer(bytes.length) let ia = new Uint8Array(ab) for (let i = 0; i < bytes.length; i++) {  ia[i] = bytes.charCodeAt(i) } return new Blob([ab], {  type: 'image/png', })}export const cos = new COS({ getAuthorization: (options, callback) => {  let url = '/qcloud/cos_sign'  fly.request({   url: url,   method: 'post',   body: {    method: (options.Method || 'get').toLowerCase(),    pathname: '/' + (options.Key || ''),   },  }).then(res => {   callback(res.data.authorization)  }).catch(err => {   console.log(err)  })  //本地测试  /*let authorization = COS.getAuthorization({   SecretId: '你的id',   SecretKey: '你的key',   Method: options.Method,   Key: options.Key,  })  callback(authorization)*/ },})

//选择图片chooseImage () {    wx.chooseImage({     count: this.chooseImageNum,     sizeType: ['original'],     sourceType: ['album', 'camera'],     success: (res) => {      this.imageList = [...this.imageList, ...res.tempFilePaths]     },    })},uploadImg (data, index) {    return new Promise((resolve, reject) => {     let filePath = data     let fileName = path(this.id, 'test',      fileType(filePath.substr(filePath.lastIndexOf('/') + 1))) + index     cos.postObject({      Bucket: Bucket,      Region: Region,      Key: fileName,      FilePath: filePath,     }, (err, res) => {      if (res.statusCode === 200) {       let item = {        imageUrl: res.Location,       }       this.data.imageList.push(item)       resolve(res)      } else {       reject(err)      }     })    })},//上传图片 upload () {    return new Promise((resolve, reject) => {     //没有图片     if (this.imageList.length === 0) {      let data = {       statusCode: 200,      }      resolve(data)      return     }     //有图片     let all = []     for (let i = 0; i < this.imageList.length; i++) {      all.push(this.uploadImg(this.imageList[i], i))     }     Promise.all(all).then(res => {      resolve(res)     }).catch(err => {      reject(err)     })    })},handleSubmit(){   this.upload().then(res=>{    //执行剩余步骤    }).catch(err=>{     console.log(err)  })}