picker.vue
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<template>
<view>
<page-head :title="title"></page-head>
<view class="uni-title uni-common-pl">普通选择器</view>
<view class="uni-list">
<view class="uni-list-cell">
<view class="uni-list-cell-left">
当前选择
</view>
<view class="uni-list-cell-db">
<picker @change="bindPickerChange" :value="index" :range="array" range-key="name">
<view class="uni-input">{{array[index].name}}</view>
</picker>
</view>
</view>
</view>
<!-- #ifndef MP-ALIPAY -->
<view class="uni-title uni-common-pl">多列选择器</view>
<view class="uni-list">
<view class="uni-list-cell">
<view class="uni-list-cell-left">
当前选择
</view>
<view class="uni-list-cell-db">
<picker mode="multiSelector" @columnchange="bindMultiPickerColumnChange" :value="multiIndex" :range="multiArray">
<view class="uni-input">{{multiArray[0][multiIndex[0]]}}，{{multiArray[1][multiIndex[1]]}}，{{multiArray[2][multiIndex[2]]}}</view>
</picker>
</view>
</view>
</view>
<!-- #endif -->
<view class="uni-title uni-common-pl">时间选择器</view>
<view class="uni-list">
<view class="uni-list-cell">
<view class="uni-list-cell-left">
当前选择
</view>
<view class="uni-list-cell-db">
<picker mode="time" :value="time" start="09:01" end="21:01" @change="bindTimeChange">
<view class="uni-input">{{time}}</view>
</picker>
</view>
</view>
</view>
<view class="uni-picker-tips">
注：选择 09:01 ~ 21:01 之间的时间, 不在区间内不能选中
</view>
<view class="uni-title uni-common-pl">日期选择器</view>
<view class="uni-list">
<view class="uni-list-cell">
<view class="uni-list-cell-left">
当前选择
</view>
<view class="uni-list-cell-db">
<picker mode="date" :value="date" :start="startDate" :end="endDate" @change="bindDateChange">
<view class="uni-input">{{date}}</view>
</picker>
</view>
</view>
</view>
<view class="uni-picker-tips">
注：选择当前时间 ±10 年之间的时间, 不在区间内不能选中
</view>
</view>
</template>
<script>
function getDate(type) {
const date = new Date();
let year = date.getFullYear();
let month = date.getMonth() + 1;
let day = date.getDate();
if (type === 'start') {
year = year - 10;
} else if (type === 'end') {
year = year + 10;
}
month = month > 9 ? month : '0' + month;;
day = day > 9 ? day : '0' + day;
return `${year}-${month}-${day}`;
}
export default {
data() {
return {
title: 'picker',
array: [{name:'中国'},{name: '美国'}, {name:'巴西'}, {name:'日本'}],
index: 0,
multiArray: [
['亚洲', '欧洲'],
['中国', '日本'],
['北京', '上海', '广州']
],
multiIndex: [0, 0, 0],
date: getDate({
format: true
}),
startDate:getDate('start'),
endDate:getDate('end'),
time: '12:01'
}
},
methods: {
bindPickerChange: function(e) {
console.log('picker发送选择改变，携带值为：' + e.detail.value)
this.index = e.detail.value
},
bindMultiPickerColumnChange: function(e) {
console.log('修改的列为：' + e.detail.column + '，值为：' + e.detail.value)
this.multiIndex[e.detail.column] = e.detail.value
switch (e.detail.column) {
case 0: //拖动第1列
switch (this.multiIndex[0]) {
case 0:
this.multiArray[1] = ['中国', '日本']
this.multiArray[2] = ['北京', '上海', '广州']
break
case 1:
this.multiArray[1] = ['英国', '法国']
this.multiArray[2] = ['伦敦', '曼彻斯特']
break
}
this.multiIndex.splice(1, 1, 0)
this.multiIndex.splice(2, 1, 0)
break
case 1: //拖动第2列
switch (this.multiIndex[0]) { //判断第一列是什么
case 0:
switch (this.multiIndex[1]) {
case 0:
this.multiArray[2] = ['北京', '上海', '广州']
break
case 1:
this.multiArray[2] = ['东京','北海道']
break
}
break
case 1:
switch (this.multiIndex[1]) {
case 0:
this.multiArray[2] = ['伦敦', '曼彻斯特']
break
case 1:
this.multiArray[2] = ['巴黎', '马赛']
break
}
break
}
this.multiIndex.splice(2, 1, 0)
break
}
this.$forceUpdate()
},
bindDateChange: function(e) {
this.date = e.detail.value
},
bindTimeChange: function(e) {
this.time = e.detail.value
}
}
}
</script>
<style>
.uni-picker-tips {
font-size: 12px;
color: #666;
margin-bottom: 15px;
padding: 0 15px;
/* text-align: right; */
}
</style>