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src/components/UniDrawer/UniDrawer.vue 3.81 KB
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  <template>
  	<view v-if="visibleSync" :class="{ 'uni-drawer--visible': showDrawer }" class="uni-drawer" @touchmove.stop.prevent="clear">
  		<view class="uni-drawer__mask" :class="{ 'uni-drawer__mask--visible': showDrawer && mask }" @tap="close('mask')" />
  		<view class="uni-drawer__content" :class="{'uni-drawer--right': rightMode,'uni-drawer--left': !rightMode, 'uni-drawer__content--visible': showDrawer}" :style="{width:drawerWidth+'px'}">
  			<slot />
  		</view>
  	</view>
  </template>
  
  <script>
  	/**
  	 * Drawer 抽屉
  	 * @description 抽屉侧滑菜单
  	 * @tutorial https://ext.dcloud.net.cn/plugin?id=26
  	 * @property {Boolean} mask = [true | false] 是否显示遮罩
  	 * @property {Boolean} maskClick = [true | false] 点击遮罩是否关闭
  	 * @property {Boolean} mode = [left | right] Drawer 滑出位置
  	 * 	@value left 从左侧滑出
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  	 * 	@value right 从右侧侧滑出
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  	 * @property {Number} width 抽屉的宽度 ，仅 vue 页面生效
  	 * @event {Function} close 组件关闭时触发事件
  	 */
  	export default {
  		name: 'UniDrawer',
  		props: {
  			/**
  			 * 显示模式（左、右），只在初始化生效
  			 */
  			mode: {
  				type: String,
  				default: ''
  			},
  			/**
  			 * 蒙层显示状态
  			 */
  			mask: {
  				type: Boolean,
  				default: true
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  			},
  			/**
  			 * 遮罩是否可点击关闭
  			 */
  			maskClick:{
  				type: Boolean,
  				default: true
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  			},
  			/**
  			 * 抽屉宽度
  			 */
  			width: {
  				type: Number,
  				default: 220
  			}
  		},
  		data() {
  			return {
  				visibleSync: false,
  				showDrawer: false,
  				rightMode: false,
  				watchTimer: null,
  				drawerWidth: 220
  			}
  		},
  		created() {
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  			// #ifndef APP-NVUE
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  			this.drawerWidth = this.width
  			// #endif
  			this.rightMode = this.mode === 'right'
  		},
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  		methods: {
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  			clear(){},
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  			close(type) {
  				// fixed by mehaotian 抽屉尚未完全关闭或遮罩禁止点击时不触发以下逻辑
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  				if((type === 'mask' && !this.maskClick) || !this.visibleSync) return
  				this._change('showDrawer', 'visibleSync', false)
  			},
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  			open() {
  				// fixed by mehaotian 处理重复点击打开的事件
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  				if(this.visibleSync) return
  				this._change('visibleSync', 'showDrawer', true)
  			},
  			_change(param1, param2, status) {
  				this[param1] = status
  				if (this.watchTimer) {
  					clearTimeout(this.watchTimer)
  				}
  				this.watchTimer = setTimeout(() => {
  					this[param2] = status
  					this.$emit('change',status)
  				}, status ? 50 : 300)
  			}
  		}
  	}
  </script>
  
  <style lang="scss" scoped>
  	// 抽屉宽度
  	$drawer-width: 220px;
  
  	.uni-drawer {
  		/* #ifndef APP-NVUE */
  		display: block;
  		/* #endif */
  		position: fixed;
  		top: 0;
  		left: 0;
  		right: 0;
  		bottom: 0;
  		overflow: hidden;
  		z-index: 999;
  	}
  
  	.uni-drawer__content {
  		/* #ifndef APP-NVUE */
  		display: block;
  		/* #endif */
  		position: absolute;
  		top: 0;
  		width: $drawer-width;
  		bottom: 0;
  		background-color: $uni-bg-color;
  		transition: transform 0.3s ease;
  	}
  
  	.uni-drawer--left {
  		left: 0;
  		/* #ifdef APP-NVUE */
  		transform: translateX(-$drawer-width);
  		/* #endif */
  		/* #ifndef APP-NVUE */
  		transform: translateX(-100%);
  		/* #endif */
  	}
  
  	.uni-drawer--right {
  		right: 0;
  		/* #ifdef APP-NVUE */
  		transform: translateX($drawer-width);
  		/* #endif */
  		/* #ifndef APP-NVUE */
  		transform: translateX(100%);
  		/* #endif */
  	}
  
  	.uni-drawer__content--visible {
  		transform: translateX(0px);
  	}
  
  
  	.uni-drawer__mask {
  		/* #ifndef APP-NVUE */
  		display: block;
  		/* #endif */
  		opacity: 0;
  		position: absolute;
  		top: 0;
  		left: 0;
  		bottom: 0;
  		right: 0;
  		background-color: $uni-bg-color-mask;
  		transition: opacity 0.3s;
  	}
  
  	.uni-drawer__mask--visible {
  		/* #ifndef APP-NVUE */
  		display: block;
  		/* #endif */
  		opacity: 1;
  	}
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  </style>