WeChat ???? ?? ???? ??????? ???? ??? ?????? ? ????? ?? ???? ?????? ?? ?? ???? ??? ?????. ??? ?? ????!

WeChat ?? ?????? ? ???, ?? ???, ?? ?? ???, ?? ??? ?? ????. ??? ???? ??? ??? ? ????. ?? ???? ?? ???? ? ? ? ???? ???? ????? ??? ??? ??????

?? ???? ??? ???? ???? ???? ?? ????. ??? ??? ???? ?? ??? ??? ???? ??? ????. ? ????? ??? ??? ????. ? ????? ??? ?? ??? ????? ?? ??? ??? ? ??? ?????. ? ?? ??? ??? ?????.

??? ? ?? ??? ? ? ?????. ?? ?? ?? ??? ???? ?? ???? ???? ??? ??? ???(?? ?? ??? ??, ?? ?? ?? ???? ??? ???? ?????). . ? ???? ??????? ?? ?? ??? ???? ???? ????? ?? ??? ?? ????? ?? ?? ??????.

Solution

??, ???? ?? ????? ??? ??? ??????? ?? ??????. ????? ??? ??? ?? ??? ??? ?????? ?? ???. ? ??? ?? ?? ???? ?? ???? ?? ????. ??? ??? ?? ???? ??? ??? ? ????. ??? ??? ?????:

const app = getApp()
Page({
  data: {
    logs: []
  },
  onLoad() {
    app.commonLogin(()=>{
        // 處理頁頁面請求
    })
  }
})

??? ?? ??? ???? ? ???, ? ???? ?? onShareAppMessage? ?? ??? ?? ? ?? ??? ???? ??? ?? ?? ??? ?? ??? ???. ??? ? ???? ?? watch? ?? ???? ????.

?? ???

WeChat ???? ? ? ????. ? ???? Page()???. ?? ?? ? ??? ??? ?? ???? MyPage? ???? ? ???? ??? ? ????. ? ??? ??? ??? ????.

tool.js ?? ??

/**
   * 處理合并參數(shù)
   */
  handlePageParamMerge(arg) {
    let numargs = arg.length; // 獲取被傳遞參數(shù)的數(shù)值。
    let data = {}
    let page = {}
    for (let ix in arg) {
      let item = arg[ix]
      if (item.data && typeof (item.data) === 'object') {
        data = Object.assign(data, item.data)
      }
      if (item.methods && typeof (item.methods) === 'object') {
        page = Object.assign(page, item.methods)
      } else {
        page = Object.assign(page, item)
      }
    }
    page.data = data
    return page
  }

  /***
   * 合并頁面方法以及數(shù)據(jù), 兼容 {data:{}, methods: {}} 或 {data:{}, a:{}, b:{}}
   */
  mergePage() {
    return this.handlePageParamMerge(arguments)
  }

  /**
   * 處理組件參數(shù)合并
   */
  handleCompParamMerge(arg) {
    let numargs = arg.length; // 獲取被傳遞參數(shù)的數(shù)值。
    let data = {}
    let options = {}
    let properties = {}
    let methods = {}
    let comp = {}
    for (let ix in arg) {
      let item = arg[ix]
      // 合并組件的初始數(shù)據(jù)
      if (item.data && typeof (item.data) === 'object') {
        data = Object.assign(data, item.data)
      }
      // 合并組件的屬性列表
      if (item.properties && typeof (item.properties) === 'object') {
        properties = Object.assign(properties, item.properties)
      }
      // 合組件的方法列表
      if (item.methods && typeof (item.methods) === 'object') {
        methods = Object.assign(methods, item.methods)
      }
      if (item.options && typeof (item.options) === 'object') {
        options = Object.assign(options, item.options)
      }
      comp = Object.assign(comp, item)
    }
    comp.data = data
    comp.options = options
    comp.properties = properties
    comp.methods = methods
    return comp
  }

  /**
   * 組件混合 {properties: {}, options: {}, data:{}, methods: {}}
   */
  mergeComponent() {
    return this.handleCompParamMerge(arguments)
  }

  /***
   * 合成帶watch的頁面
   */
  newPage() {
    let options = this.handlePageParamMerge(arguments)
    let that = this
    let app = getApp()

    //增加全局點擊登錄判斷
    if (!options.publicCheckLogin){
      options.publicCheckLogin = function (e) {
        let pages = getCurrentPages()
        let page = pages[pages.length - 1]
        let dataset = e.currentTarget.dataset
        let callback = null

        //獲取回調(diào)方法
        if (dataset.callback && typeof (page[dataset.callback]) === "function"){
          callback = page[dataset.callback]
        }
        // console.log('callback>>', callback, app.isRegister())
        //判斷是否登錄
        if (callback && app.isRegister()){
          callback(e)
        }
        else{
          wx.navigateTo({
            url: '/pages/login/login'
          })
        }
      }
    }

    const { onLoad } = options
    options.onLoad = function (arg) {
      options.watch && that.setWatcher(this)
      onLoad && onLoad.call(this, arg)
    }

    const { onShow } = options
    options.onShow = function (arg) {
      if (options.data.noAutoLogin || app.isRegister()) {
        onShow && onShow.call(this, arg)
        //頁面埋點
        app.ga({})
      }
      else {
        wx.navigateTo({
          url: '/pages/login/login'
        })
      }
    }

    return Page(options)
  }

  /**
   * 合成帶watch等的組件
   */
  newComponent() {
    let options = this.handleCompParamMerge(arguments)
    let that = this
    const { ready } = options
    options.ready = function (arg) {
      options.watch && that.setWatcher(this)
      ready && ready.call(this, arg)
    }
    return Component(options)
  }

  /**
    * 設(shè)置監(jiān)聽器
    */
  setWatcher(page) {
    let data = page.data;
    let watch = page.watch;
    Object.keys(watch).forEach(v => {
      let key = v.split('.'); // 將watch中的屬性以'.'切分成數(shù)組
      let nowData = data; // 將data賦值給nowData
      for (let i = 0; i < key.length - 1; i++) { // 遍歷key數(shù)組的元素，除了最后一個！
        nowData = nowData[key[i]]; // 將nowData指向它的key屬性對象
      }

      let lastKey = key[key.length - 1];
      // 假設(shè)key===&#39;my.name&#39;,此時nowData===data[&#39;my&#39;]===data.my,lastKey===&#39;name&#39;
      let watchFun = watch[v].handler || watch[v]; // 兼容帶handler和不帶handler的兩種寫法
      let deep = watch[v].deep; // 若未設(shè)置deep,則為undefine
      this.observe(nowData, lastKey, watchFun, deep, page); // 監(jiān)聽nowData對象的lastKey
    })
  }

  /**
   * 監(jiān)聽屬性 并執(zhí)行監(jiān)聽函數(shù)
   */
  observe(obj, key, watchFun, deep, page) {
    var val = obj[key];
    // 判斷deep是true 且 val不能為空 且 typeof val===&#39;object&#39;（數(shù)組內(nèi)數(shù)值變化也需要深度監(jiān)聽）
    if (deep && val != null && typeof val === &#39;object&#39;) {
      Object.keys(val).forEach(childKey => { // 遍歷val對象下的每一個key
        this.observe(val, childKey, watchFun, deep, page); // 遞歸調(diào)用監(jiān)聽函數(shù)
      })
    }
    var that = this;
    Object.defineProperty(obj, key, {
      configurable: true,
      enumerable: true,
      set: function (value) {
        if (val === value) {
          return
        }
        // 用page對象調(diào)用,改變函數(shù)內(nèi)this指向,以便this.data訪問data內(nèi)的屬性值
        watchFun.call(page, value, val); // value是新值，val是舊值
        val = value;
        if (deep) { // 若是深度監(jiān)聽,重新監(jiān)聽該對象，以便監(jiān)聽其屬性。
          that.observe(obj, key, watchFun, deep, page);
        }
      },
      get: function () {
        return val;
      }
    })
  }

??? ??:

app.tool.newPage({
  data: {
    // noAutoLogin: false
  },
  onShow: function () {
    // 在這里寫頁面請求邏輯
  }
}

???

??? ???? ????? ???????. ???? newPage ???? ??? ? ????. . ??? ?? ??? ??????. ??? ???, ? ?? ????? ??? ??? ??? ????.

【?? ?? ??: ?? ???? ?? ????】

? ??? ?? ????? ? ???? ??????? ???? ??? ?? ??? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!