微信小程序仿美团城市选择


            本文实例为大家分享了微信小程序城市选择器，供大家参考，具体内容如下





代码很简单.





var city = require('../../utils/city.js');

var app = getApp()

Page({

 data: {

 searchLetter: [],

 showLetter: "",

 winHeight: 0,

 // tHeight: 0,

 // bHeight: 0,

 cityList: [],

 isShowLetter: false,

 scrollTop: 0,//置顶高度

 scrollTopId: '',//置顶id

 city: "上海市",

 hotcityList: [{ cityCode: 110000, city: '北京市' }, { cityCode: 310000, city: '上海市' }, { cityCode: 440100, city: '广州市' }, { cityCode: 440300, city: '深圳市' }, { cityCode: 330100, city: '杭州市' }, { cityCode: 320100, city: '南京市' }, { cityCode: 420100, city: '武汉市' }, { cityCode: 410100, city: '郑州市' }, { cityCode: 120000, city: '天津市' }, { cityCode: 610100, city: '西安市' }, { cityCode: 510100, city: '成都市' }, { cityCode: 500000, city: '重庆市' }]

 },

 onLoad: function () {

 // 生命周期函数--监听页面加载

 var searchLetter = city.searchLetter;

 var cityList = city.cityList();

 var sysInfo = wx.getSystemInfoSync();

 var winHeight = sysInfo.windowHeight;

 var itemH = winHeight / searchLetter.length;

 var tempObj = [];

 for (var i = 0; i < searchLetter.length; i++) {

  var temp = {};

  temp.name = searchLetter[i];

  temp.tHeight = i * itemH;

  temp.bHeight = (i + 1) * itemH;

  tempObj.push(temp)

 }

 this.setData({

  winHeight: winHeight,

  itemH: itemH,

  searchLetter: tempObj,

  cityList: cityList

 })



 },

 onReady: function () {

 // 生命周期函数--监听页面初次渲染完成



 },

 onShow: function () {

 // 生命周期函数--监听页面显示



 },

 onHide: function () {

 // 生命周期函数--监听页面隐藏



 },

 onUnload: function () {

 // 生命周期函数--监听页面卸载



 },

 onPullDownRefresh: function () {

 // 页面相关事件处理函数--监听用户下拉动作



 },

 onReachBottom: function () {

 // 页面上拉触底事件的处理函数



 },

 clickLetter: function (e) {

 console.log(e.currentTarget.dataset.letter)

 var showLetter = e.currentTarget.dataset.letter;

 this.setData({

  showLetter: showLetter,

  isShowLetter: true,

  scrollTopId: showLetter,

 })

 var that = this;

 setTimeout(function () {

  that.setData({

  isShowLetter: false

  })

 }, 1000)

 },

 //选择城市

 bindCity: function (e) {

 console.log("bindCity")

 this.setData({ city: e.currentTarget.dataset.city })

 },

 //选择热门城市

 bindHotCity: function (e) {

 console.log("bindHotCity")

 this.setData({

  city: e.currentTarget.dataset.city

 })

 },

 //点击热门城市回到顶部

 hotCity: function () {

 this.setData({

  scrollTop: 0,

 })

 }

})



demo下载地址

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持中文源码网。