初始化代码

uniapp/uni-app/components/tab.vue

@@ -0,0 +1,132 @@
+<template>
+	<view>
+		<scroll-view scroll-x class='tab-list' :scroll-into-view="'tab'+(activeIndex-1)" :scroll-with-animation="true"
+			:style="{background:  bgColor}">
+			<view class='tab-item text-bold rel' v-for="(item,index) in list" :key="index"
+				@tap='handerTabChange(index)' :id="'tab'+index"
+				:style="{width:width,height:height,lineHeight:height,color:index==activeIndex? activeColor : color,fontSize:fontSize}">
+				{{item.title || item}}
+				<view class="abs line" :style="{background: activeColor}" v-if="index==activeIndex && haveLine"></view>
+				<view v-if="item.number" class="item-msg c-base f-icontext abs"
+					:style="{width: item.number<10 ? '30rpx' : '50rpx',right: msgRight }">
+					{{item.number < 100 ? item.number : '99+'}}
+				</view>
+			</view>
+		</scroll-view>
+	</view>
+</template>
+
+<script>
+	export default {
+		name: 'tab',
+		props: {
+			list: {
+				type: Array,
+				default () {
+					return []
+				}
+			},
+			activeIndex: {
+				type: Number || String,
+				default () {
+					return 0
+				}
+			},
+			color: {
+				type: String,
+				default () {
+					return '#333'
+				}
+			},
+			activeColor: {
+				type: String,
+				default () {
+					return '#e73535'
+				}
+			},
+			bgColor: {
+				type: String,
+				default () {
+					return '#fff'
+				}
+			},
+			width: {
+				type: String,
+				default () {
+					return ''
+				}
+			},
+			height: {
+				type: String,
+				default () {
+					return ''
+				}
+			},
+			haveLine: {
+				type: Boolean,
+				default () {
+					return true
+				}
+			},
+			msgRight: {
+				type: String,
+				default () {
+					return '5rpx'
+				}
+			},
+			fontSize: {
+				type: String,
+				default () {
+					return '28rpx'
+				}
+			}
+		},
+		created() {
+
+		},
+		data() {
+			return {
+
+			}
+		},
+		methods: {
+			handerTabChange(index) {
+				this.$emit('change', index);
+			}
+		},
+	}
+</script>
+
+<style lang="scss">
+	.tab-list {
+		white-space: nowrap;
+		width: 100%;
+	}
+
+	.tab-item {
+		display: inline-block;
+		text-align: center;
+		line-height: 100rpx;
+		padding: 0 20rpx;
+		border-color: #fff;
+		box-sizing: border-box;
+
+		.line {
+			width: 80rpx;
+			height: 6rpx;
+			border-radius: 6rpx;
+			left: 50%;
+			bottom: 0rpx;
+			margin-left: -40rpx;
+		}
+	}
+
+	.item-msg {
+		width: 30rpx;
+		height: 30rpx;
+		line-height: 30rpx;
+		border-radius: 15rpx 15rpx 15rpx 0;
+		background: #f12c20;
+		top: 5rpx;
+	}
+</style>