小程序地区定位与切换

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添加链接描述
添加链接描述

          <text class="chengshi">{{citynames}}</text><block wx:if="{{diqutu==0}}"><image  bindtap="diquxuanzhe" src="/images/xiala.png" mode="widthFix" /></block><block wx:if="{{diqutu==1}}"><image  bindtap="diquxuanzhe1" src="/images/xiala_1.png" mode="widthFix" /></block>
<block wx:if="{{xiala==true}}" >
<scroll-view scroll-y="true" style="height: {{winHeight}}px;" scroll-into-view="{{scrollTopId}}" class="city_list"><block wx:for="{{city}}" wx:for-index="idx" wx:for-item="cityName"><text id="{{idx}}" class="list_tit">{{idx}}</text><block wx:for="{{cityName}}"><view class="list_con" data-city="{{item.name}}" bindtap="bindCity">{{item.name}}</view></block></block>
</scroll-view>
<!--城市选择列表-->
<view class="scroll_list" bindtouchstart="chStart" bindtouchend="chEnd" catchtouchmove="chMove" style="background: rgba(0,0,0,{{trans}});"><block wx:for="{{city}}" wx:for-index="idx" wx:for-item="cityName"><block wx:if="{{idx != '热门城市'}}"><view id="{{idx}}" class="scroll_list_chi" style="line-height:{{lineHeight}}px ; height:{{lineHeight}}px ;font-size:{{lineHeight/1.7}}px;" bindtouchstart="getWords" bindtouchend="setWords">{{idx}}</view></block></block>
</view>
</block><!--选择显示-->
<view hidden="{{hidden}}" class="showwords">{{showwords}}
</view>
city.jsvar city = {"City": [{"热门城市": [{"name": "北京市","key": "热门"},{"name": "上海市","key": "热门"},{"name": "广州市","key": "热门"},{"name": "深圳市","key": "热门"},{"name": "成都市","key": "热门"},{"name": "重庆市","key": "热门"},{"name": "天津市","key": "热门"},{"name": "杭州市","key": "热门"},{"name": "南京市","key": "热门"},{"name": "苏州市","key": "热门"},{"name": "武汉市","key": "热门"},{"name": "西安市","key": "热门"}],"A": [{"name": "阿坝市","key": "A"},{"name": "阿拉善市","key": "A"},{"name": "阿里市","key": "A"},{"name": "安康市","key": "A"},{"name": "安庆市","key": "A"},{"name": "鞍山市","key": "A"},{"name": "安顺市","key": "A"},{"name": "安阳市","key": "A"},{"name": "澳门市","key": "A"}],"B": [{"name": "北京市","key": "B"},{"name": "白银市","key": "B"},{"name": "保定市","key": "B"},{"name": "宝鸡市","key": "B"},{"name": "保山市","key": "B"},{"name": "包头市","key": "B"},{"name": "巴中市","key": "B"},{"name": "北海市","key": "B"},{"name": "蚌埠市","key": "B"},{"name": "本溪市","key": "B"},{"name": "毕节市","key": "B"},{"name": "滨州市","key": "B"},{"name": "百色市","key": "B"},{"name": "亳州市","key": "B"}],"C": [{"name": "重庆市","key": "C"},{"name": "成都市","key": "C"},{"name": "长沙市","key": "C"},{"name": "长春市","key": "C"},{"name": "沧州市","key": "C"},{"name": "常德市","key": "C"},{"name": "昌都市","key": "C"},{"name": "长治市","key": "C"},{"name": "常州市","key": "C"},{"name": "巢湖市","key": "C"},{"name": "潮州市","key": "C"},{"name": "承德市","key": "C"},{"name": "郴州市","key": "C"},{"name": "赤峰市","key": "C"},{"name": "池州市","key": "C"},{"name": "崇左市","key": "C"},{"name": "楚雄市","key": "C"},{"name": "滁州市","key": "C"},{"name": "朝阳市","key": "C"}],"D": [{"name": "大连市","key": "D"},{"name": "东莞市","key": "D"},{"name": "大理市","key": "D"},{"name": "丹东市","key": "D"},{"name": "大庆市","key": "D"},{"name": "大同市","key": "D"},{"name": "大兴安岭市","key": "D"},{"name": "德宏市","key": "D"},{"name": "德阳市","key": "D"},{"name": "德州市","key": "D"},{"name": "定西市","key": "D"},{"name": "迪庆市","key": "D"},{"name": "东营市","key": "D"}],"E": [{"name": "鄂尔多斯市","key": "E"},{"name": "恩施市","key": "E"},{"name": "鄂州市","key": "E"}],"F": [{"name": "福州市","key": "F"},{"name": "防城港市","key": "F"},{"name": "佛山市","key": "F"},{"name": "抚顺市","key": "F"},{"name": "抚州市","key": "F"},{"name": "阜新市","key": "F"},{"name": "阜阳市","key": "F"}],"G": [{"name": "广州市","key": "G"},{"name": "赣州市","key": "G"},{"name": "桂林市","key": "G"},{"name": "贵阳市","key": "G"},{"name": "甘南市","key": "G"},{"name": "甘孜市","key": "G"},{"name": "广安市","key": "G"},{"name": "广元市","key": "G"},{"name": "果洛市","key": "G"},{"name": "贵港市","key": "G"}],"H": [{"name": "杭州市","key": "H"},{"name": "哈尔滨市","key": "H"},{"name": "合肥市","key": "H"},{"name": "海口市","key": "H"},{"name": "海东市","key": "H"},{"name": "海北市","key": "H"},{"name": "海南市","key": "H"},{"name": "海西市","key": "H"},{"name": "邯郸市","key": "H"},{"name": "汉中市","key": "H"},{"name": "鹤壁市","key": "H"},{"name": "河池市","key": "H"},{"name": "鹤岗市","key": "H"},{"name": "黑河市","key": "H"},{"name": "衡水市","key": "H"},{"name": "衡阳市","key": "H"},{"name": "河源市","key": "H"},{"name": "贺州市","key": "H"},{"name": "红河市","key": "H"},{"name": "淮安市","key": "H"},{"name": "淮北市","key": "H"},{"name": "怀化市","key": "H"},{"name": "淮南市","key": "H"},{"name": "黄冈市","key": "H"},{"name": "黄南市","key": "H"},{"name": "黄山市","key": "H"},{"name": "黄石市","key": "H"},{"name": "惠州市","key": "H"},{"name": "葫芦岛市","key": "H"},{"name": "呼伦贝尔市","key": "H"},{"name": "湖州市","key": "H"},{"name": "菏泽市","key": "H"}],"J": [{"name": "济南市","key": "J"},{"name": "佳木斯市","key": "J"},{"name": "吉安市","key": "J"},{"name": "江门市","key": "J"},{"name": "焦作市","key": "J"},{"name": "嘉兴市","key": "J"},{"name": "嘉峪关市","key": "J"},{"name": "揭阳市","key": "J"},{"name": "吉林市","key": "J"},{"name": "金昌市","key": "J"},{"name": "晋城市","key": "J"},{"name": "景德镇市","key": "J"},{"name": "荆门市","key": "J"},{"name": "荆州市","key": "J"},{"name": "金华市","key": "J"},{"name": "济宁市","key": "J"},{"name": "晋中市","key": "J"},{"name": "锦州市","key": "J"},{"name": "九江市","key": "J"},{"name": "酒泉市","key": "J"}],"K": [{"name": "昆明市","key": "K"},{"name": "开封市","key": "K"}],"L": [{"name": "兰州市","key": "L"},{"name": "拉萨市","key": "L"},{"name": "来宾市","key": "L"},{"name": "莱芜市","key": "L"},{"name": "廊坊市","key": "L"},{"name": "乐山市","key": "L"},{"name": "凉山市","key": "L"},{"name": "连云港市","key": "L"},{"name": "聊城市","key": "L"},{"name": "辽阳市","key": "L"},{"name": "辽源市","key": "L"},{"name": "丽江市","key": "L"},{"name": "临沧市","key": "L"},{"name": "临汾市","key": "L"},{"name": "临夏市","key": "L"},{"name": "临沂市","key": "L"},{"name": "林芝市","key": "L"},{"name": "丽水市","key": "L"},{"name": "六安市","key": "L"},{"name": "六盘水市","key": "L"},{"name": "柳州市","key": "L"},{"name": "陇南市","key": "L"},{"name": "龙岩市","key": "L"},{"name": "娄底市","key": "L"},{"name": "漯河市","key": "L"},{"name": "洛阳市","key": "L"},{"name": "泸州市","key": "L"},{"name": "吕梁市","key": "L"}],"M": [{"name": "马鞍山市","key": "M"},{"name": "茂名市","key": "M"},{"name": "眉山市","key": "M"},{"name": "梅州市","key": "M"},{"name": "绵阳市","key": "M"},{"name": "牡丹江市","key": "M"}],"N": [{"name": "南京市","key": "N"},{"name": "南昌市","key": "N"},{"name": "南宁市","key": "N"},{"name": "南充市","key": "N"},{"name": "南平市","key": "N"},{"name": "南通市","key": "N"},{"name": "南阳市","key": "N"},{"name": "那曲市","key": "N"},{"name": "内江市","key": "N"},{"name": "宁德市","key": "N"},{"name": "怒江市","key": "N"}],"P": [{"name": "盘锦市","key": "P"},{"name": "攀枝花市","key": "P"},{"name": "平顶山市","key": "P"},{"name": "平凉市","key": "P"},{"name": "萍乡市","key": "P"},{"name": "莆田市","key": "P"},{"name": "濮阳市","key": "P"}],"Q": [{"name": "青岛市","key": "Q"},{"name": "黔东南市","key": "Q"},{"name": "黔南市","key": "Q"},{"name": "黔西南市","key": "Q"},{"name": "庆阳市","key": "Q"},{"name": "清远市","key": "Q"},{"name": "秦皇岛市","key": "Q"},{"name": "钦州市","key": "Q"},{"name": "齐齐哈尔市","key": "Q"},{"name": "泉州市","key": "Q"},{"name": "曲靖市","key": "Q"},{"name": "衢州市","key": "Q"}],"R": [{"name": "日喀则市","key": "R"},{"name": "日照市","key": "R"}],"S": [{"name": "上海市","key": "S"},{"name": "深圳市","key": "S"},{"name": "苏州市","key": "S"},{"name": "沈阳市","key": "S"},{"name": "石家庄市","key": "S"},{"name": "三门峡市","key": "S"},{"name": "三明市","key": "S"},{"name": "三亚市","key": "S"},{"name": "商洛市","key": "S"},{"name": "商丘市","key": "S"},{"name": "上饶市","key": "S"},{"name": "山南市","key": "S"},{"name": "汕头市","key": "S"},{"name": "汕尾市","key": "S"},{"name": "韶关市","key": "S"},{"name": "绍兴市","key": "S"},{"name": "邵阳市","key": "S"},{"name": "十堰市","key": "S"},{"name": "朔州市","key": "S"},{"name": "四平市","key": "S"},{"name": "绥化市","key": "S"},{"name": "遂宁市","key": "S"},{"name": "随州市","key": "S"},{"name": "娄底市","key": "S"},{"name": "宿迁市","key": "S"},{"name": "宿州市","key": "S"}],"T": [{"name": "天津市","key": "T"},{"name": "太原市","key": "T"},{"name": "泰安市","key": "T"},{"name": "泰州市","key": "T"},{"name": "唐山市","key": "T"},{"name": "天水市","key": "T"},{"name": "铁岭市","key": "T"},{"name": "铜川市","key": "T"},{"name": "通化市","key": "T"},{"name": "通辽市","key": "T"},{"name": "铜陵市","key": "T"},{"name": "铜仁市","key": "T"},{"name": "台湾市","key": "T"}],"W": [{"name": "武汉市","key": "W"},{"name": "乌鲁木齐市","key": "W"},{"name": "无锡市","key": "W"},{"name": "威海市","key": "W"},{"name": "潍坊市","key": "W"},{"name": "文山市","key": "W"},{"name": "温州市","key": "W"},{"name": "乌海市","key": "W"},{"name": "芜湖市","key": "W"},{"name": "乌兰察布市","key": "W"},{"name": "武威市","key": "W"},{"name": "梧州市","key": "W"}],"X": [{"name": "厦门市","key": "X"},{"name": "西安市","key": "X"},{"name": "西宁市","key": "X"},{"name": "襄樊市","key": "X"},{"name": "湘潭市","key": "X"},{"name": "湘西市","key": "X"},{"name": "咸宁市","key": "X"},{"name": "咸阳市","key": "X"},{"name": "孝感市","key": "X"},{"name": "邢台市","key": "X"},{"name": "新乡市","key": "X"},{"name": "信阳市","key": "X"},{"name": "新余市","key": "X"},{"name": "忻州市","key": "X"},{"name": "西双版纳市","key": "X"},{"name": "宣城市","key": "X"},{"name": "许昌市","key": "X"},{"name": "徐州市","key": "X"},{"name": "香港市","key": "X"},{"name": "锡林郭勒市","key": "X"},{"name": "兴安市","key": "X"}],"Y": [{"name": "银川市","key": "Y"},{"name": "雅安市","key": "Y"},{"name": "延安市","key": "Y"},{"name": "延边市","key": "Y"},{"name": "盐城市","key": "Y"},{"name": "阳江市","key": "Y"},{"name": "阳泉市","key": "Y"},{"name": "扬州市","key": "Y"},{"name": "烟台市","key": "Y"},{"name": "宜宾市","key": "Y"},{"name": "宜昌市","key": "Y"},{"name": "宜春市","key": "Y"},{"name": "营口市","key": "Y"},{"name": "益阳市","key": "Y"},{"name": "永州市","key": "Y"},{"name": "岳阳市","key": "Y"},{"name": "榆林市","key": "Y"},{"name": "运城市","key": "Y"},{"name": "云浮市","key": "Y"},{"name": "玉树市","key": "Y"},{"name": "玉溪市","key": "Y"},{"name": "玉林市","key": "Y"}],"Z": [{"name": "杂多县","key": "Z"},{"name": "赞皇县","key": "Z"},{"name": "枣强县","key": "Z"},{"name": "枣阳市市","key": "Z"},{"name": "枣庄市","key": "Z"},{"name": "泽库县","key": "Z"},{"name": "增城市市","key": "Z"},{"name": "曾都区市","key": "Z"},{"name": "泽普县","key": "Z"},{"name": "泽州县","key": "Z"},{"name": "札达县","key": "Z"},{"name": "扎赉特旗市","key": "Z"},{"name": "扎兰屯市市","key": "Z"},{"name": "扎鲁特旗市","key": "Z"},{"name": "扎囊县","key": "Z"},{"name": "张北县","key": "Z"},{"name": "张店区市","key": "Z"},{"name": "章贡区市","key": "Z"},{"name": "张家港市","key": "Z"},{"name": "张家界市","key": "Z"},{"name": "张家口市","key": "Z"},{"name": "漳平市市","key": "Z"},{"name": "漳浦县","key": "Z"},{"name": "章丘市市","key": "Z"},{"name": "樟树市市","key": "Z"},{"name": "张湾区市","key": "Z"},{"name": "彰武县","key": "Z"},{"name": "漳县","key": "Z"},{"name": "张掖市","key": "Z"},{"name": "漳州市","key": "Z"},{"name": "长子县","key": "Z"},{"name": "湛河区市","key": "Z"},{"name": "湛江市","key": "Z"},{"name": "站前区市","key": "Z"},{"name": "沾益县","key": "Z"},{"name": "诏安县","key": "Z"},{"name": "召陵区市","key": "Z"},{"name": "昭平县","key": "Z"},{"name": "肇庆市","key": "Z"},{"name": "昭通市","key": "Z"},{"name": "赵县","key": "Z"}]}]
}
module.exports = city;selectcity.js//先引用城市数据文件
var city = require('city.js')
var lineHeight = 0;
var endWords = "";
var isNum;
Page({data: {"hidden": true,cityName: "", //获取选中的城市名diqutu:0,xiala:'',citynames:'',},onLoad: function (options) {// 生命周期函数--监听页面加载},onLoad: function (options) {var that=this;//获取屏幕的高度wx.getSystemInfo({ success: function (res) { console.log(res);that.setData({clientHeight:(res.windowHeight)-342,}) } });wx.getLocation({type: 'wgs84',success (res) {var lat = res.latitudevar log = res.longitudethat.loadCity(log, lat)}})},loadCity:function(log, lat) {var self = thisconsole.log(getApp().api.default.baidujiankou);wx.request({url: getApp().api.default.baidujiankou,method: 'POST',data:{lat:lat,log:log}, header: {'content-type':'application/x-www-form-urlencoded','Accept': 'application/json'},success: function (res) {self.setData({citynames:res.data.data})}})},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},//触发全部开始选择chStart: function () {this.setData({trans: ".3",hidden: false})},//触发结束选择chEnd: function () {this.setData({trans: "0",hidden: true,scrollTopId: this.endWords})},//获取文字信息getWords: function (e) {var id = e.target.id;this.endWords = id;isNum = id;this.setData({showwords: this.endWords})},//设置文字信息setWords: function (e) {var id = e.target.id;this.setData({scrollTopId: id})},// 滑动选择城市chMove: function (e) {var y = e.touches[0].clientY;var offsettop = e.currentTarget.offsetTop;var height = 0;var that = this;;var cityarr = ["A", "B", "C", "D", "E", "F", "G", "H", "J", "K", "L", "M", "N", "P", "Q", "R", "S", "T", "W", "X", "Y", "Z"]// 获取y轴最大值wx.getSystemInfo({success: function (res) {height = res.windowHeight - 10;}});//判断选择区域,只有在选择区才会生效if (y > offsettop && y < height) {// console.log((y-offsettop)/lineHeight)var num = parseInt((y - offsettop) / lineHeight);endWords = cityarr[num];// 这里 把endWords 绑定到this 上,是为了手指离开事件获取值that.endWords = endWords;};//去除重复,为了防止每次移动都赋值 ,这里限制值有变化后才会有赋值操作,//DOTO 这里暂时还有问题,还是比较卡,待优化if (isNum != num) {// console.log(isNum);isNum = num;that.setData({showwords: that.endWords})}},//选择城市,并让选中的值显示在文本框里bindCity: function (e) {var cityName = e.currentTarget.dataset.city;var pages = getCurrentPages();var prevPage = pages[pages.length - 2]; //上一个页面//直接调用上一个页面的setData()方法,把数据存到上一个页面中去prevPage.setData({cityName: cityName})wx.navigateBack()// wx.navigateBack({//   url: '/pages/home/search/index'// })}
})selectcity.wxml<!--index.wxml-->
<!-- <view class="title"><input class="title_list" value="{{cityName}}" placeholder="城市名称" /><button>确认</button>
</view> -->
<scroll-view scroll-y="true" style="height: {{winHeight}}px;" scroll-into-view="{{scrollTopId}}" class="city_list"><block wx:for="{{city}}" wx:for-index="idx" wx:for-item="cityName"><text id="{{idx}}" class="list_tit">{{idx}}</text><block wx:for="{{cityName}}"><view class="list_con" data-city="{{item.name}}" bindtap="bindCity">{{item.name}}</view></block></block>
</scroll-view>
<!--城市选择列表-->
<view class="scroll_list" bindtouchstart="chStart" bindtouchend="chEnd" catchtouchmove="chMove" style="background: rgba(0,0,0,{{trans}});"><block wx:for="{{city}}" wx:for-index="idx" wx:for-item="cityName"><block wx:if="{{idx != '热门城市'}}"><view id="{{idx}}" class="scroll_list_chi" style="line-height:{{lineHeight}}px ; height:{{lineHeight}}px ;font-size:{{lineHeight/1.7}}px;" bindtouchstart="getWords" bindtouchend="setWords">{{idx}}</view></block></block>
</view><!--选择显示-->
<view hidden="{{hidden}}" class="showwords">{{showwords}}
</view>selectcity.wxss/* pages/home/selectcity/selectcity.wxss */
/**index.wxss**/.title {position: relative;padding: 10px 0;
}
.title_list {display: inline-block;padding: 0 15px;height: 20px;line-height: 20px;font-size: 16px;
}
.title button {width: 50px;height: 30px;font-size: 16px;padding: 0;line-height: 30px;margin: auto;position: absolute;top: 0;bottom:0;right: 10px;background: none;
}
.title button::after {border: none;
}
.title_list:nth-child(1) {border-right:1px #ccc solid;
}
/*城市列表*/
.city_list {position: relative;
}/*城市选择头部*/
.list_tit {display: block;line-height: 40px;height: 40px;padding-left: 15px;font-size: 16ppx;background: #f5f5f5;color: #666;
}
.list_con {height: 40px;/*border-top: 1px #f5f5f5 solid ;*/line-height: 40px;font-size: 16px;padding-left: 15px;
}
.list_con::before {content: " ";height: 1px;border-top: 1px #f5f5f5 solid;position: absolute;width: 100%;
}
.list_con::before:nth-child(1) {border: none;
}
/*城市选择 右边*/
.scroll_list {background: rgba(0,0,0,0);position: absolute;height: calc(100% - 100px);width: 25px;top: 90px;right: 10px;
}
.scroll_list_chi {/*border: 1px blue solid;*/text-align: center;font-size: 12px;
}
/*显示框*/.showwords {width: 80px;height: 80px;background: rgba(0,0,0,.3);border-radius:50%;line-height: 80px;text-align: center;font-size:10vw;margin: auto;position: absolute;top: 0;left: 0;bottom: 0;right: 0;z-index: 999;
}

微信小程序获取当前所在城市

  onLoad: function (options) {var that=this;//获取屏幕的高度wx.getSystemInfo({ success: function (res) { console.log(res);that.setData({clientHeight:(res.windowHeight)-342,}) } });wx.getLocation({type: 'wgs84',success (res) {var lat = res.latitudevar log = res.longitudethat.loadCity(log, lat)}})},loadCity:function(log, lat) {var self = thisconsole.log(getApp().api.default.baidujiankou);wx.request({url: getApp().api.default.baidujiankou,method: 'POST',data:{lat:lat,log:log}, header: {'content-type':'application/x-www-form-urlencoded','Accept': 'application/json'},success: function (res) {self.setData({citynames:res.data.data})}})},
   /*** 百度接口*/public function actionBaiduApi(){$post= \Yii::$app->request->post();$lat=$post['lat'];$log=$post['log'];$baiduak = 'dobMPqvK2CMi1c0mDqhFrEcSXNeUtDIo';$url = "http://api.map.baidu.com/reverse_geocoding/v3/?ak=$baiduak&output=json&coordtype=wgs84ll&location=$lat,$log";// print_r($url);// $api = "https://api.weixin.qq.com/sns/jscode2session?appid={$this->wechat_app->app_id}&secret={$this->wechat_app->app_secret}&js_code={$code}&grant_type=authorization_code";$curl = new Curl();$curl->setOpt(CURLOPT_SSL_VERIFYPEER, false);$curl->get($url);$res = $curl->response;$res = json_decode($res, true);if($res['status'] === 0){$city=$res['result']['addressComponent']['city'];return new ApiResponse(0, 'success', $city);//  echo "<pre>";// print_r($res['result']['addressComponent']['city']); }// return $res;}

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