4b045f7c
 刘淇
江阴初始化项目
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<template>
<div class="mpvue-picker">
<div :class="{'pickerMask':showPicker}" @click="maskClick" catchtouchmove="true"></div>
<div class="mpvue-picker-content " :class="{'mpvue-picker-view-show':showPicker}">
<div class="mpvue-picker__hd" catchtouchmove="true">
<div class="mpvue-picker__action" @click="pickerCancel">取消</div>
<div class="mpvue-picker__action" :style="{color:themeColor}" @click="pickerConfirm">确定</div>
</div>
<picker-view indicator-style="height: 40px;" class="mpvue-picker-view" :value="pickerValue" @change="pickerChange">
<block>
<picker-view-column>
<div class="picker-item" v-for="(item,index) in provinceDataList" :key="index">{{item.label}}</div>
</picker-view-column>
<picker-view-column>
<div class="picker-item" v-for="(item,index) in cityDataList" :key="index">{{item.label}}</div>
</picker-view-column>
<picker-view-column>
<div class="picker-item" v-for="(item,index) in areaDataList" :key="index">{{item.label}}</div>
</picker-view-column>
</block>
</picker-view>
</div>
</div>
</template>
<script>
import provinceData from './city-data/province.js';
import cityData from './city-data/city.js';
import areaData from './city-data/area.js';
export default {
data() {
return {
pickerValue: [0, 0, 0],
provinceDataList: provinceData,
cityDataList: cityData[0],
areaDataList: areaData[0][0],
/* 是否显示控件 */
showPicker: false,
};
},
created() {
this.init()
},
props: {
/* 默认值 */
pickerValueDefault: {
type: Array,
default () {
return [0, 0, 0]
}
},
/* 主题色 */
themeColor: String
},
watch: {
pickerValueDefault() {
this.init();
}
},
methods: {
init() {
this.handPickValueDefault(); // 对 pickerValueDefault 做兼容处理
const pickerValueDefault = this.pickerValueDefault
this.cityDataList = cityData[pickerValueDefault[0]];
this.areaDataList = areaData[pickerValueDefault[0]][pickerValueDefault[1]];
this.pickerValue = pickerValueDefault;
},
show() {
setTimeout(() => {
this.showPicker = true;
}, 0);
},
maskClick() {
this.pickerCancel();
},
pickerCancel() {
this.showPicker = false;
this._$emit('onCancel');
},
pickerConfirm(e) {
this.showPicker = false;
this._$emit('onConfirm');
},
showPickerView() {
this.showPicker = true;
},
handPickValueDefault() {
const pickerValueDefault = this.pickerValueDefault
let provinceIndex = pickerValueDefault[0]
let cityIndex = pickerValueDefault[1]
const areaIndex = pickerValueDefault[2]
if (
provinceIndex !== 0 ||
cityIndex !== 0 ||
areaIndex !== 0
) {
if (provinceIndex > provinceData.length - 1) {
this.pickerValueDefault[0] = provinceIndex = provinceData.length - 1;
}
if (cityIndex > cityData[provinceIndex].length - 1) {
this.pickerValueDefault[1] = cityIndex = cityData[provinceIndex].length - 1;
}
if (areaIndex > areaData[provinceIndex][cityIndex].length - 1) {
this.pickerValueDefault[2] = areaData[provinceIndex][cityIndex].length - 1;
}
}
},
pickerChange(e) {
let changePickerValue = e.mp.detail.value;
if (this.pickerValue[0] !== changePickerValue[0]) {
// 第一级发生滚动
this.cityDataList = cityData[changePickerValue[0]];
this.areaDataList = areaData[changePickerValue[0]][0];
changePickerValue[1] = 0;
changePickerValue[2] = 0;
} else if (this.pickerValue[1] !== changePickerValue[1]) {
// 第二级滚动
this.areaDataList =
areaData[changePickerValue[0]][changePickerValue[1]];
changePickerValue[2] = 0;
}
this.pickerValue = changePickerValue;
this._$emit('onChange');
},
_$emit(emitName) {
let pickObj = {
label: this._getLabel(),
value: this.pickerValue,
cityCode: this._getCityCode()
};
this.$emit(emitName, pickObj);
},
_getLabel() {
let pcikerLabel =
this.provinceDataList[this.pickerValue[0]].label +
'-' +
this.cityDataList[this.pickerValue[1]].label +
'-' +
this.areaDataList[this.pickerValue[2]].label;
return pcikerLabel;
},
_getCityCode() {
return this.areaDataList[this.pickerValue[2]].value;
}
}
};
</script>
<style>
.pickerMask {
position: fixed;
z-index: 1000;
top: 0;
right: 0;
left: 0;
bottom: 0;
background: rgba(0, 0, 0, 0.6);
}
.mpvue-picker-content {
position: fixed;
bottom: 0;
left: 0;
width: 100%;
transition: all 0.3s ease;
transform: translateY(100%);
z-index: 3000;
}
.mpvue-picker-view-show {
transform: translateY(0);
}
.mpvue-picker__hd {
display: flex;
padding: 9px 15px;
background-color: #fff;
position: relative;
text-align: center;
font-size: 17px;
}
.mpvue-picker__hd:after {
content: ' ';
position: absolute;
left: 0;
bottom: 0;
right: 0;
height: 1px;
border-bottom: 1px solid #e5e5e5;
color: #e5e5e5;
transform-origin: 0 100%;
transform: scaleY(0.5);
}
.mpvue-picker__action {
display: block;
flex: 1;
color: #1aad19;
}
.mpvue-picker__action:first-child {
text-align: left;
color: #888;
}
.mpvue-picker__action:last-child {
text-align: right;
}
.picker-item {
text-align: center;
line-height: 40px;
text-overflow: ellipsis;
white-space: nowrap;
font-size: 16px;
}
.mpvue-picker-view {
position: relative;
bottom: 0;
left: 0;
width: 100%;
height: 238px;
background-color: rgba(255, 255, 255, 1);
}
</style>
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