4b045f7c
 刘淇
江阴初始化项目
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<template>
<view class="mpvue-picker">
<page-head :title="title"></page-head>
<view class="uni-padding-wrap uni-common-mt">
<view class="uni-title">
<!-- #ifndef H5 -->
<uni-icons size="16" type="info"></uni-icons>
<!-- #endif -->
说明 :
</view>
<view class="uni-helllo-text">
<view>
在App端可在pages.json里配置buttons，暂不支持动态改变buttons的样式，使用onNavigationBarButtonTap可监听城市选择按钮的点击事件。
</view>
</view>
</view>
<mpvue-picker :themeColor="themeColor" ref="mpvuePicker" :mode="mode" :deepLength="deepLength"
:pickerValueDefault="pickerValueDefault" @onConfirm="onConfirm" @onCancel="onCancel"
:pickerValueArray="pickerValueArray"></mpvue-picker>
<!-- <picker ref="mpvuePicker" @change="bindPickerChange" :value="index" :range="pickerValueArray" range-key="label">
<view class="">{{pickerValueArray[index].label}}</view>
</picker>
-->
</view>
</template>
<script>
// https://github.com/zhetengbiji/mpvue-picker
import mpvuePicker from '../../../components/mpvue-picker/mpvuePicker.vue';
// https://github.com/zhetengbiji/mpvue-citypicker
export default {
components: {
mpvuePicker
},
data() {
return {
title: 'nav-city-dropdown',
pickerValueArray: [{
label: '北京市',
value: 110000
},
{
label: '天津市',
value: 120000
},
{
label: '广州市',
value: 440100
},
{
label: '深圳市',
value: 440300
}
],
themeColor: '#007AFF',
mode: '',
deepLength: 1,
pickerValueDefault: [0],
index: 0,
};
},
onReady() {
// #ifdef VUE3
this.setStyle(0, '北京市')
// #endif
// #ifndef VUE3
this.setStyle(1, '北京市')
// #endif
},
methods: {
onCancel(e) {
console.log(e);
},
// 单列
showSinglePicker() {
this.mode = 'selector';
this.deepLength = 1;
this.pickerValueDefault = [0];
this.$refs.mpvuePicker.show();
},
onConfirm(e) {
console.log(e.label);
// #ifdef VUE3
this.setStyle(0, e.label)
// #endif
// #ifndef VUE3
this.setStyle(1, e.label)
// #endif
},
/**
* 修改导航栏buttons
* index[number] 修改的buttons 下标索引，最右边索引为0
* text[string] 需要修改的text 内容
*/
setStyle(index, text) {
let pages = getCurrentPages();
let page = pages[pages.length - 1];
if (text.length > 3) {
text = text.substr(0, 3) + '...';
}
// #ifdef APP-PLUS
let currentWebview = page.$getAppWebview();
let titleNView = currentWebview.getStyle().titleNView;
// 添加文字过长截取为3个字符，请根据自己业务需求更改
titleNView.buttons[0].text = text;
currentWebview.setStyle({
titleNView: titleNView
});
// #endif
// #ifdef H5
// h5 临时方案
const btn = document.getElementsByClassName('uni-btn-icon')[index]
btn.innerText = text;
// #endif
}
},
onBackPress() {
if (this.$refs.mpvuePicker.showPicker) {
this.$refs.mpvuePicker.pickerCancel();
return true;
}
},
onUnload() {
if (this.$refs.mpvuePicker.showPicker) {
this.$refs.mpvuePicker.pickerCancel();
}
},
onNavigationBarButtonTap(e) {
if (e.index === 0) {
this.showSinglePicker();
}
}
};
</script>
<style></style>
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