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wangxiaowei
463
components/mpvue-picker/mpvuePicker.vue
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463
components/mpvue-picker/mpvuePicker.vue
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@ -0,0 +1,463 @@
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<template>
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<view class="mpvue-picker">
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<view :class="{'pickerMask':showPicker}" @click="maskClick" catchtouchmove="true"></view>
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<view class="mpvue-picker-content " :class="{'mpvue-picker-view-show':showPicker}">
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<view class="mpvue-picker__hd" catchtouchmove="true">
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<view class="mpvue-picker__action" @click="pickerCancel">取消</view>
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<view class="mpvue-picker__action" :style="{color:themeColor}" @click="pickerConfirm">确定</view>
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</view>
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<!-- 单列 -->
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<picker-view indicator-style="height: 40px;" class="mpvue-picker-view" :value="pickerValue" @change="pickerChange" v-if="mode==='selector' && pickerValueSingleArray.length > 0">
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<block>
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<picker-view-column>
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<view class="picker-item" v-for="(item,index) in pickerValueSingleArray" :key="index">{{item.label}}</view>
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</picker-view-column>
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</block>
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</picker-view>
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<!-- 时间选择器 -->
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<picker-view indicator-style="height: 40px;" class="mpvue-picker-view" :value="pickerValue" @change="pickerChange" v-if="mode==='timeSelector'">
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<block>
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<picker-view-column>
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<view class="picker-item" v-for="(item,index) in pickerValueHour" :key="index">{{item.label}}</view>
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</picker-view-column>
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<picker-view-column>
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<view class="picker-item" v-for="(item,index) in pickerValueMinute" :key="index">{{item.label}}</view>
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</picker-view-column>
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</block>
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</picker-view>
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<!-- 多列选择 -->
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<picker-view indicator-style="height: 40px;" class="mpvue-picker-view" :value="pickerValue" @change="pickerChange" v-if="mode==='multiSelector'">
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<block v-for="(n,index) in pickerValueMulArray.length" :key="index">
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<picker-view-column>
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<view class="picker-item" v-for="(item,index1) in pickerValueMulArray[n]" :key="index1">{{item.label}}</view>
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</picker-view-column>
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</block>
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</picker-view>
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<!-- 二级联动 -->
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<picker-view indicator-style="height: 40px;" class="mpvue-picker-view" :value="pickerValue" @change="pickerChangeMul" v-if="mode==='multiLinkageSelector' && deepLength===2">
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<block>
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<picker-view-column>
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<view class="picker-item" v-for="(item,index) in pickerValueMulTwoOne" :key="index">{{item.label}}</view>
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</picker-view-column>
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<picker-view-column>
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<view class="picker-item" v-for="(item,index) in pickerValueMulTwoTwo" :key="index">{{item.label}}</view>
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</picker-view-column>
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</block>
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</picker-view>
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<!-- 三级联动 -->
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<picker-view indicator-style="height: 40px;" class="mpvue-picker-view" :value="pickerValue" @change="pickerChangeMul" v-if="mode==='multiLinkageSelector' && deepLength===3">
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<block>
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<picker-view-column>
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<view class="picker-item" v-for="(item,index) in pickerValueMulThreeOne" :key="index">{{item.label}}</view>
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</picker-view-column>
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<picker-view-column>
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<view class="picker-item" v-for="(item,index) in pickerValueMulThreeTwo" :key="index">{{item.label}}</view>
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</picker-view-column>
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<picker-view-column>
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<view class="picker-item" v-for="(item,index) in pickerValueMulThreeThree" :key="index">{{item.label}}</view>
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</picker-view-column>
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</block>
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</picker-view>
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</view>
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</view>
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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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pickerChangeValue: [],
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pickerValue: [],
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pickerValueArrayChange: true,
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modeChange: false,
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pickerValueSingleArray: [],
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pickerValueHour: [],
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pickerValueMinute: [],
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pickerValueMulArray: [],
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pickerValueMulTwoOne: [],
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pickerValueMulTwoTwo: [],
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pickerValueMulThreeOne: [],
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pickerValueMulThreeTwo: [],
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pickerValueMulThreeThree: [],
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/* 是否显示控件 */
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showPicker: false,
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};
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},
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props: {
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/* mode */
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mode: {
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type: String,
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default: 'selector'
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},
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/* picker 数值 */
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pickerValueArray: {
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type: Array,
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default(){
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return []
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}
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},
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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 []
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}
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},
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/* 几级联动 */
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deepLength: {
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type: Number,
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default: 2
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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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pickerValueArray(oldVal, newVal) {
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this.pickerValueArrayChange = true;
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},
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mode(oldVal, newVal) {
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this.modeChange = true;
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},
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pickerValueArray(val){
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this.initPicker(val);
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}
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},
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methods: {
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initPicker(valueArray) {
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let pickerValueArray = valueArray;
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this.pickerValue = this.pickerValueDefault;
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// 初始化多级联动
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if (this.mode === 'selector') {
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this.pickerValueSingleArray = valueArray;
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} else if (this.mode === 'timeSelector') {
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this.modeChange = false;
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let hourArray = [];
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let minuteArray = [];
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for (let i = 0; i < 24; i++) {
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hourArray.push({
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value: i,
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label: i > 9 ? `${i} 时` : `0${i} 时`
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});
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}
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for (let i = 0; i < 60; i++) {
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minuteArray.push({
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value: i,
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label: i > 9 ? `${i} 分` : `0${i} 分`
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});
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}
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this.pickerValueHour = hourArray;
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this.pickerValueMinute = minuteArray;
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} else if (this.mode === 'multiSelector') {
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this.pickerValueMulArray = valueArray;
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} else if (this.mode === 'multiLinkageSelector' && this.deepLength === 2) {
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// 两级联动
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let pickerValueMulTwoOne = [];
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let pickerValueMulTwoTwo = [];
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// 第一列
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for (let i = 0, length = pickerValueArray.length; i < length; i++) {
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pickerValueMulTwoOne.push(pickerValueArray[i]);
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}
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// 渲染第二列
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// 如果有设定的默认值
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if (this.pickerValueDefault.length === 2) {
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let num = this.pickerValueDefault[0];
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for (
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let i = 0, length = pickerValueArray[num].children.length; i < length; i++
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) {
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pickerValueMulTwoTwo.push(pickerValueArray[num].children[i]);
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}
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} else {
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for (
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let i = 0, length = pickerValueArray[0].children.length; i < length; i++
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) {
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pickerValueMulTwoTwo.push(pickerValueArray[0].children[i]);
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}
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}
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this.pickerValueMulTwoOne = pickerValueMulTwoOne;
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this.pickerValueMulTwoTwo = pickerValueMulTwoTwo;
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} else if (
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this.mode === 'multiLinkageSelector' &&
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this.deepLength === 3
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) {
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let pickerValueMulThreeOne = [];
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let pickerValueMulThreeTwo = [];
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let pickerValueMulThreeThree = [];
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// 第一列
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for (let i = 0, length = pickerValueArray.length; i < length; i++) {
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pickerValueMulThreeOne.push(pickerValueArray[i]);
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}
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// 渲染第二列
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this.pickerValueDefault =
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this.pickerValueDefault.length === 3 ?
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this.pickerValueDefault :
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[0, 0, 0];
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if (this.pickerValueDefault.length === 3) {
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let num = this.pickerValueDefault[0];
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for (
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let i = 0, length = pickerValueArray[num].children.length; i < length; i++
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) {
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pickerValueMulThreeTwo.push(pickerValueArray[num].children[i]);
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}
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// 第三列
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let numSecond = this.pickerValueDefault[1];
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for (let i = 0, length = pickerValueArray[num].children[numSecond].children.length; i < length; i++) {
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pickerValueMulThreeThree.push(
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pickerValueArray[num].children[numSecond].children[i]
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);
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}
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}
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this.pickerValueMulThreeOne = pickerValueMulThreeOne;
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this.pickerValueMulThreeTwo = pickerValueMulThreeTwo;
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this.pickerValueMulThreeThree = pickerValueMulThreeThree;
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}
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},
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show() {
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setTimeout(() => {
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if (this.pickerValueArrayChange || this.modeChange) {
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this.initPicker(this.pickerValueArray);
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this.showPicker = true;
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this.pickerValueArrayChange = false;
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this.modeChange = false;
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} else {
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this.showPicker = true;
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}
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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._initPickerVale();
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let pickObj = {
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index: this.pickerValue,
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value: this._getPickerLabelAndValue(this.pickerValue, this.mode).value,
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label: this._getPickerLabelAndValue(this.pickerValue, this.mode).label
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};
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this.$emit('onCancel', pickObj);
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},
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pickerConfirm(e) {
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this.showPicker = false;
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this._initPickerVale();
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let pickObj = {
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index: this.pickerValue,
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value: this._getPickerLabelAndValue(this.pickerValue, this.mode).value,
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label: this._getPickerLabelAndValue(this.pickerValue, this.mode).label
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};
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this.$emit('onConfirm', pickObj);
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},
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showPickerView() {
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this.showPicker = true;
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},
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pickerChange(e) {
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this.pickerValue = e.mp.detail.value;
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let pickObj = {
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index: this.pickerValue,
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value: this._getPickerLabelAndValue(this.pickerValue, this.mode).value,
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label: this._getPickerLabelAndValue(this.pickerValue, this.mode).label
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};
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this.$emit('onChange', pickObj);
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},
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pickerChangeMul(e) {
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if (this.deepLength === 2) {
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let pickerValueArray = this.pickerValueArray;
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let changeValue = e.mp.detail.value;
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// 处理第一列滚动
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if (changeValue[0] !== this.pickerValue[0]) {
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let pickerValueMulTwoTwo = [];
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// 第一列滚动第二列数据更新
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for (let i = 0, length = pickerValueArray[changeValue[0]].children.length; i < length; i++) {
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pickerValueMulTwoTwo.push(pickerValueArray[changeValue[0]].children[i]);
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}
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this.pickerValueMulTwoTwo = pickerValueMulTwoTwo;
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// 第二列初始化为 0
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changeValue[1] = 0;
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}
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this.pickerValue = changeValue;
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} else if (this.deepLength === 3) {
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let pickerValueArray = this.pickerValueArray;
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let changeValue = e.mp.detail.value;
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let pickerValueMulThreeTwo = [];
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let pickerValueMulThreeThree = [];
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// 重新渲染第二列
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// 如果是第一列滚动
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if (changeValue[0] !== this.pickerValue[0]) {
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this.pickerValueMulThreeTwo = [];
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for (let i = 0, length = pickerValueArray[changeValue[0]].children.length; i < length; i++) {
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pickerValueMulThreeTwo.push(pickerValueArray[changeValue[0]].children[i]);
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}
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// 重新渲染第三列
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for (let i = 0, length = pickerValueArray[changeValue[0]].children[0].children.length; i <
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length; i++) {
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pickerValueMulThreeThree.push(pickerValueArray[changeValue[0]].children[0].children[i]);
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}
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changeValue[1] = 0;
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changeValue[2] = 0;
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this.pickerValueMulThreeTwo = pickerValueMulThreeTwo;
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this.pickerValueMulThreeThree = pickerValueMulThreeThree;
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} else if (changeValue[1] !== this.pickerValue[1]) {
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// 第二列滚动
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// 重新渲染第三列
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this.pickerValueMulThreeThree = [];
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pickerValueMulThreeTwo = this.pickerValueMulThreeTwo;
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for (let i = 0, length = pickerValueArray[changeValue[0]].children[changeValue[1]].children.length; i <
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length; i++) {
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pickerValueMulThreeThree.push(pickerValueArray[changeValue[0]].children[changeValue[1]].children[
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i]);
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}
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changeValue[2] = 0;
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this.pickerValueMulThreeThree = pickerValueMulThreeThree;
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}
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this.pickerValue = changeValue;
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}
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let pickObj = {
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index: this.pickerValue,
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value: this._getPickerLabelAndValue(this.pickerValue, this.mode).value,
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label: this._getPickerLabelAndValue(this.pickerValue, this.mode).label
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};
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this.$emit('onChange', pickObj);
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},
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// 获取 pxikerLabel
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_getPickerLabelAndValue(value, mode) {
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let pickerLable;
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let pickerGetValue = [];
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// selector
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if (mode === 'selector') {
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pickerLable = this.pickerValueSingleArray[value].label;
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pickerGetValue.push(this.pickerValueSingleArray[value].value);
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} else if (mode === 'timeSelector') {
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pickerLable = `${this.pickerValueHour[value[0]].label}-${this.pickerValueMinute[value[1]].label}`;
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pickerGetValue.push(this.pickerValueHour[value[0]].value);
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pickerGetValue.push(this.pickerValueHour[value[1]].value);
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} else if (mode === 'multiSelector') {
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for (let i = 0; i < value.length; i++) {
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if (i > 0) {
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pickerLable += this.pickerValueMulArray[i][value[i]].label + (i === value.length - 1 ? '' :
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'-');
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} else {
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pickerLable = this.pickerValueMulArray[i][value[i]].label + '-';
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}
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pickerGetValue.push(this.pickerValueMulArray[i][value[i]].value);
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}
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} else if (mode === 'multiLinkageSelector') {
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/* eslint-disable indent */
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pickerLable =
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this.deepLength === 2 ?
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`${this.pickerValueMulTwoOne[value[0]].label}-${this.pickerValueMulTwoTwo[value[1]].label}` :
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`${this.pickerValueMulThreeOne[value[0]].label}-${this.pickerValueMulThreeTwo[value[1]].label}-${this.pickerValueMulThreeThree[value[2]].label}`;
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if (this.deepLength === 2) {
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pickerGetValue.push(this.pickerValueMulTwoOne[value[0]].value);
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pickerGetValue.push(this.pickerValueMulTwoTwo[value[1]].value);
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} else {
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pickerGetValue.push(this.pickerValueMulThreeOne[value[0]].value);
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pickerGetValue.push(this.pickerValueMulThreeTwo[value[1]].value);
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pickerGetValue.push(this.pickerValueMulThreeThree[value[2]].value);
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}
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/* eslint-enable indent */
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}
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return {
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label: pickerLable,
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value: pickerGetValue
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};
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},
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// 初始化 pickerValue 默认值
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_initPickerVale() {
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if (this.pickerValue.length === 0) {
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if (this.mode === 'selector') {
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this.pickerValue = [0];
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} else if (this.mode === 'multiSelector') {
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this.pickerValue = new Int8Array(this.pickerValueArray.length);
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} else if (
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this.mode === 'multiLinkageSelector' &&
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this.deepLength === 2
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) {
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this.pickerValue = [0, 0];
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} else if (
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this.mode === 'multiLinkageSelector' &&
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this.deepLength === 3
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) {
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this.pickerValue = [0, 0, 0];
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}
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}
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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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||||
}
|
||||
|
||||
.mpvue-picker__action:last-child {
|
||||
text-align: right;
|
||||
}
|
||||
|
||||
.picker-item {
|
||||
text-align: center;
|
||||
line-height: 40px;
|
||||
font-size: 16px;
|
||||
}
|
||||
|
||||
.mpvue-picker-view {
|
||||
position: relative;
|
||||
bottom: 0;
|
||||
left: 0;
|
||||
width: 100%;
|
||||
height: 238px;
|
||||
background-color: rgba(255, 255, 255, 1);
|
||||
}
|
||||
</style>
|
||||
Reference in New Issue
Block a user