344 lines
8.2 KiB
Vue
344 lines
8.2 KiB
Vue
<template>
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<div class="mpvue-picker">
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<div
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:class="{ pickerMask: showPicker }"
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@click="maskClick"
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catchtouchmove="true"
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></div>
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<div
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class="mpvue-picker-content"
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:class="{ 'mpvue-picker-view-show': showPicker }"
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>
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<div class="mpvue-picker__hd" catchtouchmove="true">
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<div class="mpvue-picker__action" @click="pickerCancel">
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{{ __("取消") }}
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</div>
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<div
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class="mpvue-picker__action"
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:style="{ color: themeColor }"
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@click="pickerConfirm"
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>
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{{ __("确定") }}
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</div>
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</div>
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<picker-view
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indicator-style="height: 40px;"
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class="mpvue-picker-view"
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:value="pickerValue"
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@change="pickerChange"
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>
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<block>
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<picker-view-column>
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<div
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class="picker-item"
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v-for="(item, index) in provinceDataList"
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:key="index"
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>
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{{ item.label }}
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</div>
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</picker-view-column>
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<picker-view-column>
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<div
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class="picker-item"
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v-for="(item, index) in cityDataList"
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:key="index"
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>
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{{ item.label }}
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</div>
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</picker-view-column>
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<picker-view-column>
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<div
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class="picker-item"
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v-for="(item, index) in areaDataList"
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:key="index"
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>
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{{ item.label }}
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</div>
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</picker-view-column>
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</block>
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</picker-view>
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</div>
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</div>
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</template>
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<script>
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export default {
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data() {
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return {
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pickerValue: [0, 0, 0],
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provinceDataList: [],
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cityDataList: [],
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areaDataList: [],
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/* 是否显示控件 */
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showPicker: false,
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provinceData: [],
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cityData: [],
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areaData: [],
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};
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},
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created() {
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this.init();
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},
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props: {
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/* 默认值 */
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pickerValueDefault: {
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type: Array,
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default() {
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return [0, 0, 0];
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},
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},
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/* 主题色 */
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themeColor: String,
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},
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watch: {
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pickerValueDefault() {
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this.init();
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},
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},
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methods: {
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init() {
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let that = this;
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// 读取地区数据 【为了不同项目的小程序包体大小考虑，这里不能直接把数据放前端，可以使用服务端缓存和浏览器与小程序的本地存储来优化】
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let district_data = uni.getStorageSync("district_data");
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if (!district_data) {
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that.$.request({
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url: that.cf.URL.getAppDistrict,
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data: {},
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loading: false,
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ajaxCache: {
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timeout: this.cf.CACHE_EXPIRE,
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},
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success: function (data, status, msg, code) {
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if (status == 200) {
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uni.setStorageSync("district_data", data);
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that.setDistrictData(data);
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}
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},
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});
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} else {
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that.setDistrictData(district_data);
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}
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},
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setDistrictData(district_data) {
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this.provinceData = district_data.provinceData;
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this.cityData = district_data.cityData;
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this.areaData = district_data.areaData;
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this.handPickValueDefault(); // 对 pickerValueDefault 做兼容处理
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this.provinceDataList = district_data.provinceData;
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this.cityDataList = district_data.cityData[this.pickerValueDefault[0]];
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this.areaDataList =
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district_data.areaData[this.pickerValueDefault[0]][
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this.pickerValueDefault[1]
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];
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this.pickerValue = this.pickerValueDefault;
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},
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show() {
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setTimeout(() => {
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this.showPicker = true;
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}, 0);
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},
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maskClick() {
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this.pickerCancel();
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},
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pickerCancel() {
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this.showPicker = false;
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this._$emit("onCancel");
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},
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pickerConfirm(e) {
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this.showPicker = false;
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this._$emit("onConfirm");
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},
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showPickerView() {
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this.showPicker = true;
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},
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handPickValueDefault() {
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let that = this;
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/*
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//索引才是， 修正数据。
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for (let i = 0; i < provinceData; i++) {
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if (provinceData[i].value == this.pickerValueDefault[0]) {
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this.pickerValueDefault[0] = i;
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break;
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}
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}
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for (let i = 0; i < that.cityData[this.pickerValueDefault[0]]; i++) {
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if (cityData[this.pickerValueDefault[0]][i].value == this.pickerValueDefault[1]) {
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this.pickerValueDefault[1] = i;
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break;
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}
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}
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for (let i = 0; i < that.areaData[this.pickerValueDefault[0]][this.pickerValueDefault[1]]; i++) {
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if (areaData[this.pickerValueDefault[0]][this.pickerValueDefault[1]][i].value == this.pickerValueDefault[2]) {
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this.pickerValueDefault[2] = i;
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break;
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}
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}
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*/
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if (this.pickerValueDefault !== [0, 0, 0]) {
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if (this.pickerValueDefault[0] > that.provinceData.length - 1) {
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this.pickerValueDefault[0] = that.provinceData.length - 1;
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}
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if (
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this.pickerValueDefault[1] >
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that.cityData[this.pickerValueDefault[0]].length - 1
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) {
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this.pickerValueDefault[1] =
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that.cityData[this.pickerValueDefault[0]].length - 1;
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}
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if (
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this.pickerValueDefault[2] >
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that.areaData[this.pickerValueDefault[0]][this.pickerValueDefault[1]]
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.length -
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1
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) {
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this.pickerValueDefault[2] =
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that.areaData[this.pickerValueDefault[0]][
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this.pickerValueDefault[1]
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].length - 1;
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}
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}
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},
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pickerChange(e) {
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let that = this;
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let changePickerValue = e.mp.detail.value;
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if (this.pickerValue[0] !== changePickerValue[0]) {
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// 第一级发生滚动
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this.cityDataList = that.cityData[changePickerValue[0]];
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this.areaDataList = that.areaData[changePickerValue[0]][0];
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changePickerValue[1] = 0;
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changePickerValue[2] = 0;
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} else if (this.pickerValue[1] !== changePickerValue[1]) {
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// 第二级滚动
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this.areaDataList =
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that.areaData[changePickerValue[0]][changePickerValue[1]];
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changePickerValue[2] = 0;
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}
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this.pickerValue = changePickerValue;
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this._$emit("onChange");
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},
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_$emit(emitName) {
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let pickObj = {
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label: this._getLabel(),
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value: this._getVale(),
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cityCode: this._getCityCode(),
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};
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this.$emit(emitName, pickObj);
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},
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_getLabel() {
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let pcikerLabel = [
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this.provinceDataList[this.pickerValue[0]].label,
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this.cityDataList[this.pickerValue[1]].label,
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this.areaDataList[this.pickerValue[2]].label,
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];
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return pcikerLabel;
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},
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_getVale() {
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let pcikerValue = [
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this.provinceDataList[this.pickerValue[0]].value,
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this.cityDataList[this.pickerValue[1]].value,
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this.areaDataList[this.pickerValue[2]].value,
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];
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return pcikerValue;
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},
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_getCityCode() {
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return this.areaDataList[this.pickerValue[2]].value;
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},
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},
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};
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</script>
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<style>
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.pickerMask {
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position: fixed;
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z-index: 1000;
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top: 0;
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right: 0;
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left: 0;
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bottom: 0;
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background: rgba(0, 0, 0, 0.6);
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}
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.mpvue-picker-content {
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position: fixed;
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bottom: 0;
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left: 0;
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width: 100%;
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transition: all 0.3s ease;
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transform: translateY(100%);
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z-index: 3000;
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}
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.mpvue-picker-view-show {
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transform: translateY(0);
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}
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.mpvue-picker__hd {
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display: flex;
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padding: 9px 15px;
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background-color: #fff;
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position: relative;
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text-align: center;
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font-size: 17px;
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}
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.mpvue-picker__hd:after {
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content: " ";
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position: absolute;
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left: 0;
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bottom: 0;
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right: 0;
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height: 1px;
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border-bottom: 1px solid #e5e5e5;
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color: #e5e5e5;
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transform-origin: 0 100%;
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transform: scaleY(0.5);
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}
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.mpvue-picker__action {
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display: block;
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flex: 1;
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color: #1aad19;
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}
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.mpvue-picker__action:first-child {
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text-align: left;
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color: #888;
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}
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.mpvue-picker__action:last-child {
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text-align: right;
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}
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.picker-item {
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text-align: center;
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line-height: 40px;
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text-overflow: ellipsis;
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white-space: nowrap;
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font-size: 16px;
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}
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.mpvue-picker-view {
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position: relative;
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bottom: 0;
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left: 0;
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width: 100%;
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height: 238px;
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background-color: rgba(255, 255, 255, 1);
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}
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</style>
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