本篇內(nèi)容介紹了“微信小程序中怎么實(shí)現(xiàn)ecshop地址三級(jí)聯(lián)動(dòng)”的有關(guān)知識(shí),在實(shí)際案例的操作過程中,不少人都會(huì)遇到這樣的困境,接下來就讓小編帶領(lǐng)大家學(xué)習(xí)一下如何處理這些情況吧!希望大家仔細(xì)閱讀,能夠?qū)W有所成!
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picker標(biāo)簽,官方給出的實(shí)例:
<view class="section"> <view class="section__title">地區(qū)選擇器</view> <picker bindchange="bindPickerChange" value="{{index}}" range="{{array}}"> <view class="picker"> 當(dāng)前選擇:{{array[index]}} </view> </picker> </view> Page({ data: { array: ['美國(guó)', '中國(guó)', '巴西', '日本'], index: 0, }, bindPickerChange: function(e) { console.log('picker發(fā)送選擇改變,攜帶值為', e.detail.value) this.setData({ index: e.detail.value }) }, })
wxml頁(yè)面:
<view class="add-list under-line" > <view class="add-lab">收貨地址</view> <view class="add-text"> <picker class="w-3" bindchange="bindPickerProvince" value="{{provinceIndex}}" range="{{province}}" > <view class="picker">{{province[provinceIndex]}}</view> </picker> <picker class="w-3" bindchange="bindPickerCity" value="{{cityIndex}}" range="{{city}}" > <view class="picker">{{city[cityIndex]}}</view> </picker> <picker class="w-3" bindchange="bindPickerDistrict" value="{{districtIndex}}" range="{{district}}" > <view class="picker">{{district[districtIndex]}}</view> </picker> </view> </view>
js頁(yè)面:
var app = getApp() Page({ data:{ motto: 'jxcat', serverUrl: app.globalData.ajaxUrl, baseUrl: app.globalData.baseUrl, title: "收貨地址", address_id: "", address: "", province:[], province_id: [], //后臺(tái)返回的數(shù)據(jù)對(duì)應(yīng) region_id city,district 與此相同 province_name: [], //后臺(tái)返回的數(shù)據(jù)對(duì)應(yīng) region_name provinceIndex: 0, //wxml頁(yè)面選擇的選項(xiàng),從0開始 provinceId: 0, //根據(jù)wxml頁(yè)面選擇的選項(xiàng)獲取到province_id: []對(duì)應(yīng)的region_id city:[]. city_id: [], city_name: [], cityIndex: 0, cityId: 0, district:[], district_id: [], district_name: [], districtIndex: 0, districtId: 0, }, onLoad:function(options){ // 頁(yè)面初始化 options為頁(yè)面跳轉(zhuǎn)所帶來的參數(shù) var that = this var get_data wx.checkSession({ success: function(){ //登錄態(tài)未過期 wx.getStorage({ key: 'wcx_session', success: function(sres) { get_data = { m: 'api', c: 'user' , a: 'edit_address', wcx_session: sres.data, } if(options.act == 'edit'){ get_data = { m: 'api', c: 'user' , a: 'edit_address', id: options.id, wcx_session: sres.data, } } wx.request({ url: app.globalData.ajaxUrl, data: get_data, header: { 'content-type': 'application/json' }, success: function(res) { if(options.act == "edit"){ that.data.provinceId = res.data.consignee.province that.data.cityId = res.data.consignee.city that.data.districtid = res.data.consignee.district } for(var i=0; i<res.data.province_list.length; i++){{ that.data.province_id[i] = res.data.province_list[i].region_id //把region_id存入province_id that.data.province_name[i] = res.data.province_list[i].region_name //把region_name存入province_name if(res.data.consignee.province == res.data.province_list[i].region_id){ that.data.provinceIndex = i } }} for(var i=0; i<res.data.city_list.length; i++){{ that.data.city_id[i] = res.data.city_list[i].region_id that.data.city_name[i] = res.data.city_list[i].region_name if(res.data.consignee.city == res.data.city_list[i].region_id){ that.data.cityIndex = i } }} for(var i=0; i<res.data.district_list.length; i++){{ that.data.district_id[i] = res.data.district_list[i].region_id that.data.district_name[i] = res.data.district_list[i].region_name if(res.data.consignee.district == res.data.district_list[i].region_id){ that.data.districtIndex = i } }} that.data.address_id = options.id that.setData({ consignee: res.data.consignee, province: that.data.province_name, provinceIndex: that.data.provinceIndex, city: that.data.city_name, cityIndex: that.data.cityIndex, district: that.data.district_name, districtIndex: that.data.districtIndex }) } }) //request } }) }, fail: function(){ //登錄態(tài)過期 wx.login() } }) }, bindPickerProvince: function(event){ var that = this var getId = event.detail.value //獲取到wxml選擇的選項(xiàng)對(duì)應(yīng)的下標(biāo),從0開始 that.data.provinceId = that.data.province_id[getId] //根據(jù)獲取到的下標(biāo)獲取到region_name對(duì)應(yīng)的region_id wx.request({ url: app.globalData.ajaxUrl, data: { m: 'api', c: 'public' , a: 'region', rtype: 2, rparent: that.data.provinceId, }, header: { 'content-type': 'application/json' }, success: function(res){ for(var i=0; i<res.data.regions.length; i++){{ that.data.city_id[i] = res.data.regions[i].region_id that.data.city_name[i] = res.data.regions[i].region_name }} that.setData({ city: that.data.city_name, provinceIndex: getId, }) }, }) }, bindPickerCity: function(event){ var that = this var getId = event.detail.value that.data.cityId = that.data.city_id[getId] wx.request({ url: app.globalData.ajaxUrl, data: { m: 'api', c: 'public' , a: 'region', rtype: 3, rparent: that.data.cityId, }, header: { 'content-type': 'application/json' }, success: function(res){ for(var i=0; i<res.data.regions.length; i++){{ that.data.district_id[i] = res.data.regions[i].region_id that.data.district_name[i] = res.data.regions[i].region_name }} that.setData({ district: that.data.district_name, cityIndex: getId, }) }, }) }, bindPickerDistrict: function(event){ var that = this var getId = event.detail.value that.data.districtId = that.data.district_id[getId] that.setData({ districtIndex: getId, }) }, formSubmit: function(event) { var that = this wx.checkSession({ success: function(){ //登錄態(tài)未過期 wx.getStorage({ key: 'wcx_session', success: function(sres) { wx.request({ url: app.globalData.ajaxUrl, data: { m: 'api', c: 'user' , a: 'add_address', address_id: that.data.address_id, province: that.data.provinceId, // wxml頁(yè)面選擇的地址對(duì)應(yīng)的 region_id city: that.data.cityId, district: that.data.districtId, address: event.detail.value.address, consignee: event.detail.value.consignee, mobile: event.detail.value.mobile, zipcode: event.detail.value.zipcode, wcx_session: sres.data, }, header: { 'content-type': 'application/json' }, success: function(res) { console.log(res) wx.redirectTo({ url: 'address' }) } }) //request } }) }, fail: function(){ //登錄態(tài)過期 wx.login() } }) }, })
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