小編給大家分享一下小程序組件開發(fā)中省市區(qū)三級(jí)聯(lián)動(dòng)的示例分析，希望大家閱讀完這篇文章之后都有所收獲，下面讓我們一起去探討吧！

站在用戶的角度思考問題，與客戶深入溝通，找到瑪沁網(wǎng)站設(shè)計(jì)與瑪沁網(wǎng)站推廣的解決方案，憑借多年的經(jīng)驗(yàn)，讓設(shè)計(jì)與互聯(lián)網(wǎng)技術(shù)結(jié)合，創(chuàng)造個(gè)性化、用戶體驗(yàn)好的作品，建站類型包括：網(wǎng)站設(shè)計(jì)制作、成都網(wǎng)站設(shè)計(jì)、企業(yè)官網(wǎng)、英文網(wǎng)站、手機(jī)端網(wǎng)站、網(wǎng)站推廣、空間域名、虛擬主機(jī)、企業(yè)郵箱。業(yè)務(wù)覆蓋瑪沁地區(qū)。

• index.wxml

<import src="../../templates/address-temp"/>
<template is="addressPicker"
   data="{{provinceIndex:city.provinceIndex,cityIndex:city.cityIndex,districtIndex:city.districtIndex,province:city.province,
   city:city.city[city.selectedProvince],district:city.district[city.selectedCity]}}"/>

• index.js

  var city = require("../../utils/city.js");
Page({
    data: {},
    onLoad: function() {
        console.log('onLoad...');
        var that = this;
        city.init(that);
    }
});

• address-temp.wxml

<?xml version="1.0" encoding="utf-8"?>

<template name="addressPicker"> 
  <view style="display:flex;margin:0;height:100%;align-items: center;justify-content: center"> 
    <view style="width:100%;"> 
      <picker bindchange="bindProvinceChange" value="{{provinceIndex}}" range="{{province}}"> 
        <view style="text-align:center;padding:10rpx;font-size:0.8rem">{{province[provinceIndex]}}</view> 
      </picker> 
    </view>  
    <view style="width:100%;"> 
      <picker bindchange="bindCityChange" value="{{cityIndex}}" range="{{city}}"> 
        <view style="text-align:center;padding:10rpx;font-size:0.8rem">{{city[cityIndex]}}</view> 
      </picker> 
    </view>  
    <view style="width:100%;"> 
      <picker bindchange="bindDistrictChange" value="{{districtIndex}}" range="{{district}}"> 
        <view style="text-align:center;padding:10rpx;font-size:0.8rem">{{district[districtIndex]}}</view> 
      </picker> 
    </view> 
  </view>
</template>

• city.js

var city = {
    province: ['-請(qǐng)選擇-', '福建省'],
    city: {
        '-請(qǐng)選擇-': ['-請(qǐng)選擇-'],
        '福建省': ['福州市', '廈門市', '泉州市']
    },
    district: {
        '-請(qǐng)選擇-': ['-請(qǐng)選擇-'],
        '福州市': ['鼓樓區(qū)', '臺(tái)江區(qū)'],
        '廈門市': ['湖里區(qū)', '集美區(qū)'],
        '泉州市': ['晉江市', '安溪縣']
    },
    provinceIndex: 0,
    cityIndex: 0,
    districtIndex: 0,
    selectedProvince: '-請(qǐng)選擇-',
    selectedCity: '-請(qǐng)選擇-',
    selectedDistrct: '-請(qǐng)選擇-'
};
function init(that) {
    that.setData({
        'city': city
    });
    var bindProvinceChange = function(e) {
        var city = that.data.city;
        that.setData({
            'city.provinceIndex': e.detail.value,
            'city.selectedProvince': city.province[e.detail.value],
            'city.selectedCity': city.city[city.province[e.detail.value]][0],
            'city.selectedDistrct': city.district[city.city[city.province[e.detail.value]][0]][0],
            'city.cityIndex': 0,
            'city.districtIndex': 0
        });
    };
    var bindCityChange = function(e) {
        var city = that.data.city;
        that.setData({
            'city.cityIndex': e.detail.value,
            'city.selectedCity': city.city[city.selectedProvince][e.detail.value],
            'city.districtIndex': 0,
            'city.selectedDistrct': city.district[city.city[city.selectedProvince][e.detail.value]][0]
        });
    };
    var bindDistrictChange = function(e) {
        var city = that.data.city;
        that.setData({
            'city.districtIndex': e.detail.value,
            'city.selectedDistrct': city.district[city.selectedCity][e.detail.value]
        });
    };
    that['bindProvinceChange'] = bindProvinceChange;
    that['bindCityChange'] = bindCityChange;
    that['bindDistrictChange'] = bindDistrictChange;
}
module.exports = {
    init: init
}

看完了這篇文章，相信你對(duì)“小程序組件開發(fā)中省市區(qū)三級(jí)聯(lián)動(dòng)的示例分析”有了一定的了解，如果想了解更多相關(guān)知識(shí)，歡迎關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道，感謝各位的閱讀！

網(wǎng)站欄目：小程序組件開發(fā)中省市區(qū)三級(jí)聯(lián)動(dòng)的示例分析
網(wǎng)址分享：http://jinyejixie.com/article8/joooip.html

成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián)，為您提供電子商務(wù)、企業(yè)網(wǎng)站制作、網(wǎng)站導(dǎo)航、營銷型網(wǎng)站建設(shè)、網(wǎng)站策劃、App設(shè)計(jì)

廣告

聲明：本網(wǎng)站發(fā)布的內(nèi)容（圖片、視頻和文字）以用戶投稿、用戶轉(zhuǎn)載內(nèi)容為主，如果涉及侵權(quán)請(qǐng)盡快告知，我們將會(huì)在第一時(shí)間刪除。文章觀點(diǎn)不代表本網(wǎng)站立場，如需處理請(qǐng)聯(lián)系客服。電話：028-86922220；郵箱：631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載，或轉(zhuǎn)載時(shí)需注明來源： 創(chuàng)新互聯(lián)