<?php header("Content-type: text/html; charset=utf-8");   $type=$_REQUEST["type"];//獲取省市區(qū)的標(biāo)志 $fcode=$_GET["fcode"];  $retArr=[   "status"=>true,   "data"=>[],   "msg"=>"" ];  if($type!="province" && $type!="city" && $type!="county"){   $retArr["status"]=false;   $retArr["msg"]="獲取地區(qū)類型錯誤，請檢查";      echo json_encode($retArr);   exit; }  function getProvince(){   $province=[];   $code=["110000", "350000", "710000"];   $province["code"]=$code;   $name=["北京市", "福建省", "臺灣省"];   $province["name"]=$name;   $fcode=["0", "0", "0"];   $province["fcode"]=$fcode;   return $province; } function getCity($P_fcode){   $city=[];   $code=[];   $name=[];   $fcode=[];   if($P_fcode=="110000"){     $code=["110100"];     $name=["北京市"];     $fcode=$P_fcode;   }   if($P_fcode=="350000"){     $code=["350100", "350200", "350300", "350400", "350500", "350600", "350700", "350800", "350900"];     $name=["福州市", "廈門市", "莆田市", "三明市", "泉州市", "漳州市", "南平市", "龍巖市", "寧德市"];     $fcode=$P_fcode;   }   if($P_fcode=="710000"){        }   $city=["code"=>$code, "name"=>$name, "fcode"=>$fcode];   return $city; } function getCounty($P_fcode){   $county=[];   $code=[];   $name=[];   $fcode=[];    if($P_fcode=="110100"){     $code=["110101", "110102", "110103", "110104", "110105", "110106", "110107"];     $name=["東城區(qū)", "西城區(qū)", "崇文區(qū)", "宣武區(qū)", "朝陽區(qū)", "豐臺區(qū)", "石景山區(qū)"];     $fcode=$P_fcode;   }   if($P_fcode=="350100"){     $code=["350102", "350103", "350104"];     $name=["鼓樓區(qū)", "臺江區(qū)", "蒼山區(qū)"];     $fcode=$P_fcode;   }   if($P_fcode=="350200"){     $code=["350203", "350205", "350206"];     $name=["思明區(qū)", "海滄區(qū)", "湖里區(qū)"];     $fcode=$P_fcode;   }   $county=["code"=>$code, "name"=>$name, "fcode"=>$fcode];   return $county; }  //var_dump($province); if($type=="province"){   $province=getProvince();   $retArr["data"]=$province;  }else if($type=="city"){   $city=getCity($fcode);   $retArr["data"]=$city; }else if($type="county"){   $county=getCounty($fcode);   $retArr["data"]=$county; }  echo json_encode($retArr);   ?> 

<template name="city"> <view class="areas">  <view class="province">   <picker bindchange="provincePickerChange" value="{{provinceIndex}}" range="{{province.name}}" data-city-url="{{cityUrl}}">   <text class="select-item">{{province.name[provinceIndex]}}</text>   </picker>  </view>   <view class="city">  <block wx:if="{{!city.name.length}}"> --二級市區(qū)-- </block>  <block wx:if="{{city.name.length>0}}">    <picker bindchange="cityPickerChange" value="{{cityIndex}}" range="{{city.name}}" data-county-url="{{countyUrl}}">    <text class="select-item">{{city.name[cityIndex]}}</text>   </picker>  </block>  </view>   <view class="county">  <block wx:if="{{!county.name.length}}"> --三級地區(qū)-- </block>  <block wx:if="{{county.name.length>0}}">   <picker bindchange="countyPickerChange" value="{{countyIndex}}" range="{{county.name}}">    <text class="select-item">{{county.name[countyIndex]}}</text>   </picker>  </block>  </view>  </view> </template> 

/**  * 獲取三級聯(lián)動的三個函數(shù)  * that:  注冊頁面的this實例 必填  * p_url: 一級省份url 必填  * p_data：一級省份參數(shù) 選填  */ var net = require( "net" );//引入request方法 var g_url, g_datd, g_cbSuccess, g_cbSuccessErr, g_cbFail, g_cbComplete, g_header, g_method;  function initCityFun( that, p_url, p_data ) {   //獲取一級省份數(shù)據(jù)   g_cbSuccess = function( res ) {    that.setData( {     'city.province': res    });   };   net.r( p_url, p_data, g_cbSuccess, g_cbSuccessErr, g_cbFail, g_cbComplete, g_header, g_method );    //點擊一級picker觸發(fā)事件并獲取市區(qū)方法   var changeProvince = function( e ) {     that.setData( {       'city.provinceIndex': e.detail.value     });     var _fcode = that.data.city.province.code[ e.detail.value ];     if( !_fcode ) {       _fcode = 0;     }     var _cityUrl = e.target.dataset.cityUrl;      g_url = _cityUrl + _fcode;     g_cbSuccess = function( res ) {       that.setData( {         'city.city': res       });     }     net.r( g_url, g_datd, g_cbSuccess, g_cbSuccessErr, g_cbFail, g_cbComplete, g_header, g_method );   };   that[ "provincePickerChange" ] = changeProvince;    //點擊二級picker觸發(fā)事件并獲取地區(qū)方法   var changeCity = function( e ) {     that.setData( {       'city.cityIndex': e.detail.value     });     var _fcode = that.data.city.city.code[ e.detail.value ];     if( !_fcode ) {       _fcode = 0;     }     var _countyUrl = e.target.dataset.countyUrl;     g_url = _countyUrl + _fcode;      g_cbSuccess = function( res ) {       that.setData( {         'city.county': res       });     };     net.r( g_url, g_datd, g_cbSuccess, g_cbSuccessErr, g_cbFail, g_cbComplete, g_header, g_method );   };   that[ "cityPickerChange" ] = changeCity;    //點擊三級picker觸發(fā)事件   var changeCounty = function( e ) {     that.setData( {       'city.countyIndex': e.detail.value     });   };   that["countyPickerChange"]=changeCounty; }  function getProvinceFun(that, p_url, p_data){   g_cbSuccess = function( res ) {    that.setData( {     'city.province': res    });   };   net.r( p_url, p_data, g_cbSuccess, g_cbSuccessErr, g_cbFail, g_cbComplete, g_header, g_method ); }  module.exports={   initCityFun: initCityFun,   getProvinceFun: getProvinceFun } 

/**  * 網(wǎng)絡(luò)發(fā)送http請求,默認(rèn)為返回類型為json  *   * url: 必須,其他參數(shù)非必須 接口地址  * data:請求的參數(shù) Object或String  * successFun(dts):成功返回的回調(diào)函數(shù)，已自動過濾微信端添加數(shù)據(jù),按接口約定,返回成功后的data數(shù)據(jù),過濾掉msg和status  * successErrorFun(msg):成功執(zhí)行請求,但是服務(wù)端認(rèn)為業(yè)務(wù)錯誤,執(zhí)行其他行為,默認(rèn)彈出系統(tǒng)提示信息.  * failFun:接口調(diào)用失敗的回調(diào)函數(shù)  * completeFun:接口調(diào)用結(jié)束的回調(diào)函數(shù)（調(diào)用成功、失敗都會執(zhí)行）  * header:object,設(shè)置請求的 header , header 中不能設(shè)置 Referer  * method:默認(rèn)為 GET，有效值：OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, CONNECT  *   */ function r( url, data, successFun, successErrorFun, failFun, completeFun, header, method ) {   var reqObj = {};   reqObj.url = url;   reqObj.data = data;    //默認(rèn)頭為json   reqObj.header = { 'Content-Type': 'application/json' };   if( header ) {     //覆蓋header     reqObj.header = header;   }     if( method ) {     reqObj.method = method;   }   reqObj.success = function( res ) {     var returnData = res.data; //將微信端結(jié)果過濾,獲取服務(wù)端返回的原樣數(shù)據(jù)     var status = returnData.status; //按接口約定,返回status時,才調(diào)用成功函數(shù)     //console.log(res);     //正常執(zhí)行的業(yè)務(wù)函數(shù)     if( status == true ) {       if( successFun ) {         var dts = returnData.data;         successFun( dts );//回調(diào)，相當(dāng)于獲取到data后直接在回調(diào)里面處理賦值數(shù)據(jù)       }     } else if( status == false ) {       var msg = returnData.msg;       if( !successErrorFun ) {         console.log( msg );       } else {         successErrorFun( msg );       }      } else {       console.log( "服務(wù)端沒有按照接口約定格式返回數(shù)據(jù)" );     }     }   reqObj.fail = function( res ) {     if( failFun ) {       failFun( res );     }   }   reqObj.complete = function( res ) {     if( completeFun ) {       completeFun( res );     }   }     wx.request( reqObj ); }  module.exports = {   r: r } 

<import src="../../template/cityTemplate.wxml"/> <template is="city" data="{{...city}}" /> 

var city = require( '../../common/cityTemplate' ); Page( {  data: {   },  onLoad: function( options ) {   var _that = this;   //創(chuàng)建三級聯(lián)動數(shù)據(jù)對象 ---- 這個city對象是固定的，只有請求的url是根據(jù)各自的服務(wù)端地址來更改的   _that.setData( {    city: {     province: {},//格式province:{code: ["11000", "12000"], name: ["北京市", "上海市"]},只能固定是name和code，因為模板需要根據(jù)這倆參數(shù)顯示     city: {},     county: {},     provinceIndex: 0,     cityIndex: 0,     countyIndex: 0,     cityUrl: "http://localhost:8282/phpserver/areas.php?type=city&fcode=",//type表示獲取地區(qū) fcode是一級code碼，到時具體根據(jù)后端請求參數(shù)修改     countyUrl: "http://localhost:8282/phpserver/areas.php?type=county&fcode="    }   })   var _url = "http://localhost:8282/phpserver/areas.php";   var _data = { 'type': 'province', 'fcode': '0' };   city.initCityFun( _that, _url, _data );  } })