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135 lines
3.0 KiB
135 lines
3.0 KiB
4 years ago
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<template>
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<view class="mpvue-picker">
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<page-head :title="title"></page-head>
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<view class="uni-padding-wrap uni-common-mt">
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<view class="uni-title">
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<!-- #ifndef H5 -->
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<uni-icons size="16" type="info"></uni-icons>
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<!-- #endif -->
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说明 :
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</view>
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<view class="uni-helllo-text">
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<view>
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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。
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</view>
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</view>
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</view>
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<mpvue-picker
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:themeColor="themeColor"
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ref="mpvuePicker"
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:mode="mode"
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:deepLength="deepLength"
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:pickerValueDefault="pickerValueDefault"
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@onConfirm="onConfirm"
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@onCancel="onCancel"
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:pickerValueArray="pickerValueArray"
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></mpvue-picker>
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<!-- <picker ref="mpvuePicker" @change="bindPickerChange" :value="index" :range="pickerValueArray" range-key="label">
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<view class="">{{pickerValueArray[index].label}}</view>
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</picker>
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--> </view>
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</template>
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<script>
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// https://github.com/zhetengbiji/mpvue-picker
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import mpvuePicker from '../../../components/mpvue-picker/mpvuePicker.vue';
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// https://github.com/zhetengbiji/mpvue-citypicker
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export default {
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components: {
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mpvuePicker
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},
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data() {
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return {
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title: 'nav-city-dropdown',
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pickerValueArray: [
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{
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label: '北京市',
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value: 110000
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},
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{
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label: '天津市',
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value: 120000
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},
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{
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label: '广州市',
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value: 440100
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},
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{
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label: '深圳市',
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value: 440300
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}
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],
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themeColor: '#007AFF',
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mode: '',
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deepLength: 1,
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pickerValueDefault: [0],
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index: 0,
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};
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},
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onReady() {
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this.setStyle(0, '北京市');
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},
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methods: {
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onCancel(e) {
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console.log(e);
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},
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// 单列
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showSinglePicker() {
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this.mode = 'selector';
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this.deepLength = 1;
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this.pickerValueDefault = [0];
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this.$refs.mpvuePicker.show();
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},
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onConfirm(e) {
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console.log(e.label);
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this.setStyle(0, e.label);
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},
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/**
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* 修改导航栏buttons
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* index[number] 修改的buttons 下标索引，最右边索引为0
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* text[string] 需要修改的text 内容
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*/
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setStyle(index, text) {
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let pages = getCurrentPages();
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let page = pages[pages.length - 1];
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if (text.length > 3) {
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text = text.substr(0, 3) + '...';
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}
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// #ifdef APP-PLUS
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let currentWebview = page.$getAppWebview();
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let titleNView = currentWebview.getStyle().titleNView;
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// 添加文字过长截取为3个字符，请根据自己业务需求更改
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titleNView.buttons[0].text = text;
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currentWebview.setStyle({
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titleNView: titleNView
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});
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// #endif
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// #ifdef H5
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// h5 临时方案
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document.getElementsByClassName('uni-btn-icon')[1].innerText = text;
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// #endif
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}
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},
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onBackPress() {
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if (this.$refs.mpvuePicker.showPicker) {
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this.$refs.mpvuePicker.pickerCancel();
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return true;
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}
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},
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onUnload() {
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if (this.$refs.mpvuePicker.showPicker) {
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this.$refs.mpvuePicker.pickerCancel();
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}
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},
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onNavigationBarButtonTap(e) {
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if (e.index === 0) {
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this.showSinglePicker();
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}
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}
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};
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</script>
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<style></style>
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