当前位置: 首页>数据库>正文

微信小程序地区三联动

所需要页面引入:

<areapicker?class="itemInput"?bindareaChoosed="chooseAddress"?grade="{{userInfoShop}}"></areapicker>

配置:(路径自己改为自己项目中的路径)

{

??"component":?true,

??"usingComponents":?{

????"areaPicker":?"/pages/component/areaPicker/index"

??}

}

WXML页面:

<picker?mode="region"?bindchange="bindRegionChange"?value="{{AddSite}}"?custom-item="{{customItem}}"

name="AddSite"?class="picker_box"?>

??<view?class="picker?{{clas}}"?>{{AddSite}}</view>

</picker>

WXSS样式:(样式根据自己需求写样式就行)

.picker_box{

??flex:?3;

??color:#7c7c7c;

??width:100%;

??height:?100%;

??letter-spacing:2rpx;

??overflow:?hidden;

??text-overflow:?ellipsis;

??white-space:?nowrap;

??font-size:?26rpx;

}

JSON配置:(作为组件用于页面,要添加component :true)

{

??"usingComponents":?{},

??"component":?true

}

js逻辑:

let?calls?=?require("../../../utils/area.js")//引入省市县的js代码(白嫖请看:GitHub - suncunxu/Notes)

Component({

??properties:{

????grade:{

??????type:?String//默认显示的地址

????}

??},

??ready:?function?()?{

????let?that?=?this

????if(!that.data.grade){

??????this.setData({

????????AddSite?:?'请选择-请选择-请选择'

??????})

????}else{

??????this.setData({

????????AddSite?:?that.data.grade

??????})

????}

????//?console.log("this.data.grade====",that.data.grade);

??},

??data:?{

?????customItem:?[],

?????AddSite?:?'请选择-请选择-请选择',

???},

???methods:{

?????//省市联动

?????bindRegionChange:?function?(e)?{

???????let?that?=?this

???????//为了让选择框有个默认值,????

???????that.setData({

?????????clas:?''

???????})

???????//下拉框所选择的值

??????//??console.log('picker发送选择改变,携带值为',?e.detail.value)

???????this.setData({

?????????//拼的字符串传后台

?????????AddSite:?e.detail.value[0]?+?"?"?+?e.detail.value[1]?+?"?"?+?e.detail.value[2],

?????????//下拉框选中的值

?????????region:?e.detail.value

???????})

????????console.log('picker发送选择改变,携带值为',?this.data.AddSite)

???????this.triggerEvent("areaChoosed",?this.data.AddSite);//页面通过监听areaChoosed来获取所选地区

?????}

???}

})

如是全局组件,请配置(app.json文件):

??"usingComponents":?{

????"areapicker":?"./pages/component/areaPicker/index",//三级地区选择

????"vercode":?"pages/component/verCode/index",//获取手机验证码

??},


https://www.xamrdz.com/database/65m1995709.html

相关文章: