1.app.js
App({
globalData: {
url_host:'https://appapi.5i5j.com',
curCity:'',
},
onLaunch(options) {
var that = this;
// do something when launch
// 添加到我的小程序引導，參見文檔： http://smartprogram.baidu.com/docs/design/component/guide_add/
if (swan.canIUse('showFavoriteGuide')) {
swan.showFavoriteGuide({
type: 'bar',
content: '一鍵添加到我的小程序',
success(res) {
console.log('添加成功：', res);
},
fail(err) {
console.log('添加失敗：', err);
}
});
}
},
//城市定位
getLocationCity:function() {
swan.getLocation({
type: 'wgs84',
altitude: true,
success: res => {
console.log('res:',res)
this.globalData.curCity = res.city.substring(2,0)
if (this.callback) { //這個函數名字和你定義的一樣即可
this.callback() //執行定義的回調函數
}
},
fail: err => {
console.log('getLocation fail', res)
},
complete: () => {
}
});
},
onShow() {
},
onHide() {
// do something when hide
}
});
2. index.js
var app = getApp();
var url_host = app.globalData.url_host;
Page({
data: {
loading: true,
cityId:'',
curCity:'',
},
onLoad: function () {
var that = this;
app.getLocationCity();//城市定位方法
that.getCityData();
},
//獲取城市
getCityData: function(){
var that = this;
if (app.globalData.curCity) {//判斷有沒有值 沒有說明還沒返回或者是失敗了
console.log('第一次回調', app.globalData.curCity);
that.setData({
curCity: app.globalData.curCity,
})
console.log('curCity1：',that.data.curCity);
} else { //請求成功後調用
app.callback = () => {
console.log('curCity回調：', app.globalData.curCity);
that.setData({
curCity: app.globalData.curCity,
})
console.log('curCity2：', that.data.curCity);
};
}
swan.request({
url: url_host + '/appapi/home/switchweb',
data: {},
method: "GET",
header: { 'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8' },
success: function (res) {
if (res.data.status == 200) {
var obj = res.data.data.find(function (obj) {
//return obj.name === "蘇州"
console.log('that.data.curCity:',that.data.curCity)
if(that.data.curCity === obj.name){
return that.data.curCity = obj.id
}
})
}
},
fail: function (res) {
console.log('error', res);//404
},
complete: function (res) {
}
})
},
//跳轉頁面
choosePage: function(e) {
var type = e.currentTarget.dataset.type;
switch (type) {
case 'switch': //選擇城市
swan.navigateTo({ url: '../switch/switch' });break;
case 'search': //搜索頁面
swan.navigateTo({ url: '../search/search' });break;
case 'sale': //二手房列表
swan.navigateTo({ url: '../sale/sale' });break;
case 'rent': //租房列表
swan.navigateTo({ url: '../rent/rent' });break;
case 'community': //小區列表
swan.navigateTo({ url: '../community/community' });break;
case 'broker': //經紀人列表
swan.navigateTo({ url: '../broker/broker' });break;
}
},
onReady: function() {
},
onShow: function() {
// 監聽頁面顯示的生命週期函數
},
onHide: function() {
// 監聽頁面隱藏的生命週期函數
},
onUnload: function() {
// 監聽頁面卸載的生命週期函數
},
onPullDownRefresh: function() {
// 監聽用戶下拉動作
},
onReachBottom: function() {
// 頁面上拉觸底事件的處理函數
},
onShareAppMessage: function () {
// 用戶點擊右上角轉發
}
});