c_SelectionBaseDropDown.vue
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<template>
<van-dropdown-menu active-color="#333">
<van-dropdown-item v-model="destination" :title="destinationTitle" :options="destinationOption" @change="destinationChange" />
<van-dropdown-item v-if="destination2Option.length>0" v-model="destination2" :title="destination2Title" :options="destination2Option" @change="destination2Change" />
</van-dropdown-menu>
</template>
<script>
export default {
data () {
return {
destination: 0,
destination2: 0,
destinationTitle: '所在地（市）',
destination2Title: '所在地（区）',
// 所在地
destinationOption: [],
destination2Option: [],
}
},
mounted () {
this.getDestination()// 所在地（市）
},
methods: {
// 获取地区(市)
getDestination () {
this.yxAxios.get(`${this.yanxueUrl}/api/Manage/GetAllArea?province=33`).then((res) => {
if (res.data.status == 1) {
let data = res.data.data;
let destinationOption = [{ text: '不限', label: '', value: 0, id: '' }]
this.destinationOption = destinationOption.concat(data);
console.log('地区(市)：', data)
} else {
this.$message.warning(res.data.message || res.data.result);
}
})
},
// 获取地区(区)
getDestination2 (value) {
this.yxAxios.get(`${this.yanxueUrl}/api/Manage/GetAllArea?city=${value}`).then((res) => {
if (res.data.status == 1) {
let data = res.data.data;
let destination2Option = [{ text: '不限', label: '', value: 0, id: '' }]
this.destination2Option = destination2Option.concat(data);
console.log('地区(区)：', data)
} else {
this.$message.warning(res.data.message || res.data.result);
}
})
},
// 选择市
destinationChange (value) {
if (value == 0) {
this.destinationTitle = '所在地（市）'
this.destination2Option = []
this.destination2Title = '所在地（区）'
} else {
for (let i in this.destinationOption) {
if (this.destinationOption[i].value == value) {
this.destinationTitle = this.destinationOption[i].text
break;
}
}
this.getDestination2(value)
}
this.dropdownChange()
},
// 选择区
destination2Change (value) {
if (value == 0) {
this.destination2Title = '所在地（区）'
} else {
for (let i in this.destination2Option) {
if (this.destination2Option[i].value == value) {
this.destination2Title = this.destination2Option[i].text
break;
}
}
}
this.dropdownChange()
},
dropdownChange () {
let destination = '';
for (let i in this.destinationOption) {
if (this.destinationOption[i].value == this.destination) {
destination = this.destinationOption[i].label;
break;
}
}
let destination2 = '';
for (let i in this.destination2Option) {
if (this.destination2Option[i].value == this.destination2) {
destination2 = this.destination2Option[i].label;
break;
}
}
this.$emit("dropdownChange", {
destination: destination,
destination2: destination2,
})
}
}
}
</script>
<style lang="scss">
.van-dropdown-item__content {
max-height: 100%;
}
.destionation_box {
padding: 10px 0;
}
.destination-van-button {
float: right;
margin-right: 20px;
margin-bottom: 20px;
}
</style>