mplace_source/components/itmister-address-picker/itmister-address-picker.nvue

<template>
	<div v-if="isShow">
		<div class="address-picker-mask" bubble='true' @click="hide" :class="[isOpen?'show-address-picker-mask':'hide-address-picker-mask']" 
		:style="{backgroundColor:maskColor,opacity:opacity}">
		</div>
		<!-- #ifdef APP-PLUS-NVUE -->
		<div class="address-picker-container" ref="addressPickerEl" @click.stop="handleClick" :class="[isOpen?'show-address-picker':'hide-address-picker']">
		<!-- #endif -->
		<!-- #ifndef APP-PLUS-NVUE -->
		<div class="address-picker-container" @click.stop="handleClick" :class="[isOpen?'show-address-picker':'hide-address-picker']"
		:style="{transform:'translatey('+translatey+'px)'}">
		<!-- #endif -->
			<div class="address-picker-button row between-center">
				<text class="address-picker-button-text" style="color: #777777;" @click="hide">取消</text>
				<text class="address-picker-button-text" style="color: #007AFF;" @click="confirmChange(value)">确认</text>
			</div>
			<picker-view class="address-picker-box" v-if="visible" :indicator-style="indicatorStyle" :value="value" @change="bindChange">
				<picker-view-column class="center">
					<div class="address-picker-item center" v-for="(item,index) in provinceList" :key="index">
						<text class="address-picker-item-text">{{item}}</text>
					</div>
				</picker-view-column>
				<picker-view-column>
					<div class="address-picker-item center" v-for="(item,index) in cityList" :key="index">
						<text class="address-picker-item-text">{{item}}</text>
					</div>
				</picker-view-column>
				<picker-view-column>
					<div class="address-picker-item center" v-for="(item,index) in areaList" :key="index">
						<text class="address-picker-item-text">{{item}}</text>
					</div>
				</picker-view-column>
			</picker-view>
		</div>
	</div>
</template>

<script>
	// #ifdef APP-PLUS-NVUE
	const animation = weex.requireModule('animation');
	// #endif
	export default {
		name: "itmisterAddressPicker",
		props: {
			maskColor: { // 模态框背景色
				type: String,
				default: 'rgba(0,0,0,0.3)'
			},
			addressIndex:{ // 修改地址时使用，接收旧地址的省市区，对应的索引数组
				type:Array,
				default(){
					return [23,4,1]
				}
			}
		},
		data() {
			return {
				isShow: false, // 是否弹出
				isOpen: false,
				translatey: 500, // 弹出层高度
				opacity: 0, // 模态框透明度
				
				visible: true,
				indicatorStyle: `height: ${Math.round(uni.getSystemInfoSync().screenWidth/(750/100))}px;`,
				value: [], // 设置默认选中
				cityData: require('../../static/city.json'), // 加载城市数据
				
				provinceList:[], // 省列表
				cityList:[], // 市列表
				areaList:[], // 区列表
			}
		},
		mounted() {
			this.value = this.addressIndex;
			this.loadProvince(this.cityData);
		},
		methods: {
			
			// 确认选中
			confirmChange(val){
				let address = {
					// 当前选中的地址
					province:this.provinceList[val[0]],
					city:this.cityList[val[1]],
					area:this.areaList[val[2]],
					// 当前地址的索引，保存起来，用于日后修改地址时，加载默认
					provinceIndex:val[0],
					cityIndex:val[1],
					areaIndex:val[2]
				}
				this.$emit('confirmChange',address);
				this.hide();
			},
			
			// 监听选中
			bindChange(e) {
				const val = e.detail.value;
				this.value = [val[0],val[1],val[2]];
				this.loadCity(this.cityData[val[0]].city);
			},
			
			// 加载数据
			loadProvince(data){
				let newList = [];
				data.forEach(item => {
					newList.push(item.name);
				});
				this.provinceList = newList;
				this.loadCity(this.cityData[this.value[0]].city);
			},
			loadCity(data){
				let newList = [];
				data.forEach(item => {
					newList.push(item.name);
				});
				this.cityList = newList;
				
				if((data.length - 1) >= this.value[1]){ // 解决特殊情况报错的问题
					this.loadArea(this.cityData[this.value[0]].city[this.value[1]].area);
				}else{
					this.loadArea(this.cityData[this.value[0]].city[0].area);
				}
				
			},
			loadArea(data){
				let newList = [];
				data.forEach(item => {
					newList.push(item);
				});
				this.areaList = newList;
			},
			
			// 显示
			show() {
				// 渲染视图
				this.isShow = true;
				
				// 等待视图渲染
				this.$nextTick(() => {
					setTimeout(() => {
						// #ifdef APP-PLUS-NVUE
						// APP 端获取动画元素
						let ele = this.$refs.addressPickerEl;
						// #endif
						
						// 执行 mask 透明度
						this.isOpen = true;
						this.opacity = 1;
						
						// #ifndef APP-PLUS-NVUE
						// 非APP 端 执行动画
						this.translatey = 0;
						// #endif

						// #ifdef APP-PLUS-NVUE
						// APP 端执行动画
						animation.transition(ele, {
							styles: {
								transform: 'translate(0,0)',
								transformOrigin: 'center center'
							},
							duration: 250, //ms
							timingFunction: 'ease',
							delay: 0 //ms
						});
						// #endif

					}, 10);
				});
			},
			hide() {
				// #ifdef APP-PLUS-NVUE
				// APP 端获取动画元素
				let ele = this.$refs.addressPickerEl;
				// #endif
				
				// 执行 mask 透明度
				this.isOpen = false;
				this.opacity = 0;
				
				// #ifndef APP-PLUS-NVUE
				// 非APP 端执行动画
				this.translatey = 500;
				setTimeout(() => {
					this.isShow = false;
				}, 200);
				// #endif

				// #ifdef APP-PLUS-NVUE
				// APP 端执行动画
				animation.transition(ele, {
					styles: {
						transform: 'translate(0,550)',
						transformOrigin: 'center center'
					},
					duration: 250, //ms
					timingFunction: 'ease',
					delay: 0 //ms
				},() => {
					this.isShow = false;
				});
				// #endif

			},
			// 阻止冒泡
			handleClick(event) {
				event.stopPropagation();
			}
		}
	}
</script>

<style lang="scss">
	.address-picker-mask {
		position: fixed;
		left: 0;
		right: 0;
		top: 0;
		bottom: 0;
		z-index: 999988;
	}

	.address-picker-container {
		position: fixed;
		left: 0;
		right: 0;
		bottom: 0;
		z-index: 999999;
		height: 640rpx;
		background-color: #FFFFFF;
	}

	.show-address-picker-mask {
		transition-property: opacity;
		transition-duration: 0.2s;
		transition-timing-function: ease;
	}

	.hide-address-picker-mask {
		transition-property: opacity;
		transition-duration: 0.2s;
		transition-timing-function: ease;
	}

	.show-address-picker {
		/* #ifndef APP-PLUS-NVUE */
		transition-property: transform;
		transition-duration: 0.2s;
		transition-timing-function: ease;
		/* #endif */
		/* #ifdef APP-PLUS-NVUE */
		transform: 'translate(0,550)',
		/* #endif */
	}

	.hide-address-picker {
		/* #ifndef APP-PLUS-NVUE */
		transition-property: transform;
		transition-duration: 0.2s;
		transition-timing-function: ease;
		/* #endif */
		/* #ifdef APP-PLUS-NVUE */
		transform: 'translate(0,550)',
		/* #endif */
	}
	
	// 内容
	.address-picker-box{
		width: 750rpx;
		height: 500rpx;
		padding: 0 20rpx;
		/* #ifdef H5 */
		box-sizing: border-box;
		/* #endif */
		background-color: #FFF;
	}
	.address-picker-item{
		height: 100rpx;
	}
	.address-picker-item-text{
		color: #444;
		font-size: 32rpx;
	}
	
	// 按钮
	.address-picker-button{
		height: 100rpx;
		margin-bottom: 20rpx;
		box-shadow: 0 1rpx 1rpx #e4e4e4;
		background-color: #FFFFFF;
	}
	.address-picker-button-text{
		padding: 10rpx 25rpx;
		margin: 0 30rpx;
	}
	
	.row{
		/* #ifndef APP-PLUS-NVUE */
		display: flex;
		/* #endif */
		flex-direction: row;
		
	}
	
	.center{
		/* #ifndef APP-PLUS-NVUE */
		display: flex;
		/* #endif */
		justify-content: center;
		align-items: center;
	}
	.between-center{
		justify-content: space-between;
		align-items: center;
	}
</style>