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| <template>
| <view :class="{ 'uni-scroll-tab': scroll === true }" class="uni-tab">
| <view
| v-for="(tab, index) in tabList"
| :key="index"
| :class="{
| 'uni-tab-active': index === value,
| 'uni-tab-scroll-item': scroll === true,
| ' uni-tab-scroll-active': index === value && scroll === true
| }"
| :style="[
| {
| color: index === value ? activeColor : defaultColor,
| backgroundColor: bgColor
| }
| ]"
| style="cursor: pointer;"
| @tap="itemClick(index, tab)"
| class="uni-tab-item"
| >
| <span
| v-if="tab.icon != undefined"
| class="iconfont mr5"
| :class="tab.icon"
| ></span>
|
| <text>{{ rangeKey == "" ? tab.TabControl : tab[rangeKey] }}</text>
| </view>
| <view
| v-if="!scroll"
| :style="[
| { right: barRight + '%', left: barLeft + '%', borderColor: activeColor }
| ]"
| class="uni-tab-bar"
| :class="back ? 'uni-tab-bar-backward' : 'uni-tab-bar-forward'"
| ></view>
| </view>
| </template>
| <script>
| export default {
| name: "uni-tab",
| data() {
| return {
| average: 0,
| back: false
| };
| },
| props: {
| value: {
| type: Number, //当前选中下标
| default() {
| return 0;
| }
| },
| tabList: {
| type: Array,
| default() {
| return [];
| }
| },
| bgColor: {
| //背景颜色
| type: String,
| default() {
| return "#FFFFFF";
| }
| },
| defaultColor: {
| //默认未选中文字颜色
| type: String,
| default() {
| return "#636363";
| }
| },
| activeColor: {
| //选中时文字颜色 线条颜色
| type: String,
| default() {
| return "#000000";
| }
| },
| rangeKey: {
| // 当tabList为对象时 显示指定下标值
| type: String,
| default() {
| return "";
| }
| },
| scroll: {
| //横向滑动
| type: Boolean,
| default() {
| return false;
| }
| }
| },
| computed: {
| barLeft() {
| return this.value * this.average;
| },
| barRight() {
| let index = this.tabList.length - this.value - 1;
| return index * this.average;
| }
| },
| created() {
| this.average = 100 / this.tabList.length;
| },
| methods: {
| itemClick(index, tab) {
| if (this.value == index) return false;
| if (this.value > index) {
| this.back = true;
| } else {
| this.back = false;
| }
| // this.value = index;
| this.$emit("update:value", index);
| this.$emit("change", {
| tab: tab
| });
| }
| }
| };
| </script>
| <style lang="scss" scoped>
| @import "../../static/iconfont.css";
|
| .uni-tab {
| position: relative;
| display: flex;
| font-size: 14px;
| height: 44px;
| line-height: 44px;
| .uni-tab-item {
| flex: 1;
| height: 100%;
| text-align: center;
| box-sizing: border-box;
| overflow: hidden;
| }
|
| .uni-tab-scroll-item {
| flex: none;
| padding: 0px 12px;
| }
|
| .uni-tab-active {
| color: #1e9fff;
| }
|
| .uni-tab-scroll-active {
| border-bottom: 3px solid #1e9fff;
| }
|
| .uni-tab-bar {
| display: block;
| height: 3px;
| position: absolute;
| bottom: 0;
| border-bottom: 3px solid #1e9fff;
| }
|
| .uni-tab-bar-forward {
| transition: right 0.3s cubic-bezier(0.35, 0, 0.25, 1),
| left 0.3s cubic-bezier(0.35, 0, 0.25, 1) 0.09s;
| }
|
| .uni-tab-bar-backward {
| transition: right 0.3s cubic-bezier(0.35, 0, 0.25, 1) 0.09s,
| left 0.3s cubic-bezier(0.35, 0, 0.25, 1);
| }
| }
|
| .uni-scroll-tab {
| overflow-x: scroll;
| }
| </style>
|
|
