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| <template>
| <div class="dropdown-item">
| <!-- selected -->
| <view :class="['dropdown-item__selected',listWidth!='150rpx'?'dropdown-item__right':'dropdown-item__left']"
| @click="changePopup" :style="{maxWidth:selectWidth}">
| <view class="selected__name">{{selectItem.text}}</view>
| <view class="selected__icon"
| :class="showClass === 'show'? 'up' : 'down'"
| >
| <li class="iconfont icon-caretdown"></li>
| </view>
| </view>
| <view class="dropdown-item__content" :style="{top: contentTop + 'rpx'}" v-if="showList">
| <!-- dropdown -->
| <view :class="['list', showClass]" :style="{left: contentLeft>0?contentLeft + 'rpx':'auto',right: contentRight>0?contentRight + 'rpx':'auto',}">
| <view class="list__option"
| v-for="(item, index) in list" :key="index"
| @click="choose(item)">
| <view>{{item.text}}</view>
| <icon v-if="item.value === value" type="success_no_circle" size="20"/>
| </view>
| </view>
| <!-- dropdown-mask -->
| <view :class="['dropdown-mask', showClass]" v-if="showList" @click="closePopup"></view>
| </view>
| </div>
| </template>
|
| <script>
| export default {
| components: {
| },
| props: {
| value: [Number, String, Object],
| list: {
| type: Array,
| default: ()=> {
| return []
| }
| },
| contentTop:{
| type:String,
| default:"185"
| },
| contentLeft:{
| type:String,
| default:"0"
| },
| contentRight:{
| type:String,
| default:"0"
| },
| listWidth:{
| type:String,
| default:'150rpx'
| },
| selectWidth:{
| type:String,
| default:'150rpx'
| }
| },
| data() {
| return {
| showList: "",
| showClass: '',
| selectItem: {},
| }
| },
| watch: {
| list(newVal,oldVal){
| this.selectItem = newVal[0];
| }
| },
| mounted() {
| this.showList = this.active;
| this.selectItem = this.list[0];
| },
| methods: {
| choose(item) {
| if(item.value != "auto"){
| this.selectItem = item
| }
| this.$emit('changeItem', item);
| this.closePopup();
| },
| selectAuto(){
| this.selectItem = {text: '指定日期',value: 'auto'};
| },
| changePopup() {
| if(this.showList) {
| this.closePopup()
| } else {
| this.openPopup()
| }
| },
| openPopup() {
| setTimeout(() => {
| this.showClass = 'show';
| this.showList = true;
| }, 100);
| },
| closePopup() {
| this.showClass = ''
| setTimeout(() => {
| this.showList = false
| }, 200);
| },
| close() {
| this.showClass = ''
| this.showList = false
| },
| }
| }
| </script>
|
| <style lang="scss">
|
| li{
| list-style-type:none;
| }
| .dropdown-item__content{
| z-index: 10!important;
| }
| .dropdown-item {
| width: 100%;
| flex:1;
| position: relative;
| &__selected {
| position: relative;
| padding: 10rpx 0;
| box-sizing: border-box;
| color: #fff;
| .selected__name {
| font-size: 28rpx;
| text-overflow: ellipsis;
| white-space: nowrap;
| overflow: hidden;
| }
| .selected__icon {
| margin-left: 20rpx;
| &.down {
| transition: transform .3s;
| transform: rotateZ(0);
| }
| &.up {
| transition: transform .3s;
| transform: rotateZ(-180deg);
| }
| }
|
| }
| &__left{
| display: flex;
| flex-direction: row;
| justify-content: flex-start;
| align-items: center;
| }
| &__right{
| display: flex;
| flex-direction: row;
| justify-content: flex-end;
| align-items: center;
| }
| &__content {
| position: fixed;
| left: 0;
| right: 0;
| overflow: hidden;
| top: 0;
| bottom: 0;
| z-index: 1;
| .list {
| max-height: 400px;
| text-align: center;
| overflow-y: auto;
| position: absolute;
| z-index: 1200;
| background: #fff;
| transform: translateY(-100%);
| transition: all .3s;
| &.show {
| transform: translateY(0);
| }
| &__option {
| font-size:30rpx;
| padding: 18rpx;
| display: flex;
| justify-content: space-between;
| color: #303133;
| &:not(:last-child) {
| border-bottom: 1rpx solid #DDDDDD;
| }
| }
| }
| .dropdown-mask {
| position: absolute;
| left: 0;
| right: 0;
| top: 0;
| bottom: 0;
| transition: all .3s;
| z-index: 1100;
| &.show {
| background:rgba(0,0,0,0.5);
| }
| }
| }
| &:not(:last-child):after {
| content: ' ';
| position: absolute;
| width: 2rpx;
| top: 36rpx;
| bottom: 36rpx;
| right: 0;
| background: $uni-border-color;
| }
| }
| </style>
|
|
