新增获取定位授权以及筛选

pages/login/login.js

         cityCurrent: -1,
         districtCurrent: -1,
         params: {}, // 筛选条件
-        obj: {
-            provinceName: '湖南省',
-            cityName: '株洲市',
-            districtName: '芦淞区'
-        }
+        obj: {}
 
     },
 
      * 生命周期函数--监听页面加载
      */
     onLoad: function (options) {
-        this.getCityTreeList()   
+        // this.getCityTreeList()
     },
     
     /**
         // 隐藏返回图标
         wx.hideHomeButton();
         let positionParams = wx.getStorageSync('positionParams')
-        if(Object.keys(positionParams).length) {
-            let params = this.data.params
-            params.provinceCode = positionParams.provinceCode
-            params.cityCode = positionParams.cityCode
-            params.districtCode = positionParams.districtCode
-            this.setData({
-                params,
-                provinceCurrent: positionParams.provinceCurrent,
-                provinceOptions: positionParams.provinceOptions,
-                cityCurrent: positionParams.cityCurrent,
-                cityOptions: positionParams.cityOptions,
-                districtCurrent: positionParams.districtCurrent,
-                districtOptions: positionParams.districtOptions
-            })
-        } else {
-            this.getUserLocation()
+        let options = this.data.provinceOptions
+        if(options.length === 0) {
+            let provinceOptions = wx.getStorageSync('provinceOptions')
+            if(provinceOptions.length) {
+                this.setData({provinceOptions})
+                if(Object.keys(positionParams).length) {
+                    let params = this.data.params
+                    params.provinceCode = positionParams.provinceCode
+                    params.cityCode = positionParams.cityCode
+                    params.districtCode = positionParams.districtCode
+                    this.setData({
+                        params,
+                        provinceCurrent: positionParams.provinceCurrent,
+                        cityCurrent: positionParams.cityCurrent,
+                        cityOptions: positionParams.cityOptions,
+                        districtCurrent: positionParams.districtCurrent,
+                        districtOptions: positionParams.districtOptions
+                    })
+                } else {
+                    this.getUserLocation()
+                }
+            } else {
+                this.getCityTreeList().then(res=> {
+                    if(Object.keys(positionParams).length) {
+                        let params = this.data.params
+                        params.provinceCode = positionParams.provinceCode
+                        params.cityCode = positionParams.cityCode
+                        params.districtCode = positionParams.districtCode
+                        this.setData({
+                            params,
+                            provinceCurrent: positionParams.provinceCurrent,
+                            cityCurrent: positionParams.cityCurrent,
+                            cityOptions: positionParams.cityOptions,
+                            districtCurrent: positionParams.districtCurrent,
+                            districtOptions: positionParams.districtOptions
+                        })
+                    } else {
+                        this.getUserLocation()
+                    }
+                })
+            }
         }
     },
     /**
         let provinceOptions = this.data.provinceOptions
         let provinceCurrent, cityCurrent, districtCurrent, cityOptions, districtOptions
         let params = this.data.params
+        params.provinceCode = obj.provinceCode
+        params.cityCode = obj.cityCode
+        params.districtCode = obj.districtCode
         if(provinceOptions.length) {
             provinceOptions.forEach((item,index)=> {
                 if(item.citycode === obj.provinceCode) {
 
     /* 获取省市区 */
     getCityTreeList() {
-        getCityTree().then(res=> {
-            this.setData({
-                provinceOptions: res.data
+        return new Promise((resolve)=> {
+            getCityTree().then(res=> {
+                wx.setStorage({
+                    key: 'provinceOptions',
+                    data: res.data
+                })
+                this.setData({
+                    provinceOptions: res.data
+                })
+                resolve(res)
             })
         })
     },
                     key: 'location',
                     data: res
                 })
-                let latLog = {}
-                latLog.lat = res.latitude
-                latLog.lng = res.longitude
-                getCityNameCode(latLog).then(res=> {
+                let latlng = {}
+                latlng.lat = res.latitude
+                latlng.lng = res.longitude
+                getCityNameCode(latlng).then(res=> {
                     let cityObj = res.data
                     this.setData({cityObj})
                     this.getListByName(cityObj)
         positionParams.provinceCurrent = this.data.provinceCurrent
         positionParams.cityCurrent = this.data.cityCurrent
         positionParams.districtCurrent = this.data.districtCurrent
-        positionParams.provinceOptions = this.data.provinceOptions
         positionParams.cityOptions = this.data.cityOptions
         positionParams.districtOptions = this.data.districtOptions
         wx.setStorage({