2024-01-16 16:57:49 +08:00
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<template>
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<view class="tabbar-container">
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<block>
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<!-- 针对中间的导航栏 通过true来判断控制类名和样式 -->
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<view class="tabbar-item" v-for="(item, index) in tabbarList" :class="[item.centerItem ? 'center-item' : '']" @click="changeItem(item)" :key="index">
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<view class="item-top">
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2024-04-23 11:48:55 +08:00
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<image class="img" :src="currentItem == item.id ? item.selectIcon:item.icon"></image>
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2024-01-16 16:57:49 +08:00
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</view>
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<!-- 通过三元判断控制类名 达到控制选中和未选中的样式 -->
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<view class="item-bottom" :class="[currentItem == item.id ? 'item-active' : '']">
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<text>{{ item.text }}</text>
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</view>
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</view>
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</block>
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</view>
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</template>
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<script>
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// 组件的书写符合easycom规范 无需引入直接使用
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export default {
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props: {
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currentPage: {
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type: Number,
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default: 0
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}
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},
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data () {
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return {
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currentItem: 0,
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tabbarList: [
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{
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id: 0,
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path: '/pages/index/index',
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2024-03-13 16:07:11 +08:00
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icon: '/static/indexA.png',
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selectIcon: '/static/indexB.png',
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text: '首页',
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centerItem: false
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},
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{
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id: 1,
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path: '',
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icon: '/static/sweep.png',
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selectIcon: '',
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text: '扫一扫',
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// 通过类名class控制样式大小
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centerItem: true
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},
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{
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id: 2,
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path: '/pages/person/person',
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icon: '/static/personB.png',
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selectIcon: '/static/personA.png',
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text: '我的',
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centerItem: false
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}
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]
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}
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},
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mounted () {
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this.currentItem = this.currentPage
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},
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methods: {
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changeItem (item) {
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if(item.centerItem){
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this.scanQRCode();
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return
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}
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uni.switchTab({
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url: item.path
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})
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},
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scanQRCode(){
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uni.scanCode({
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success: (res) => {
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console.log('扫码结果:' + res.result);
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uni.showModal({
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title: '扫码结果',
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content: res.result,
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showCancel: false
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});
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},
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fail: (err) => {
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console.error('扫码失败:' + err);
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uni.showToast({
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title: '扫码失败',
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icon: 'none'
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});
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}
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});
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}
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}
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};
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</script>
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<style lang="scss" scope>
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view {
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padding: 0;
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margin: 0;
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box-sizing: border-box;
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}
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.tabbar-container::before{
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content: '';
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position: absolute;
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left: 10%;
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top: 0;
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z-index: 10;
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height: 1px;
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width: 80%;
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background-image: linear-gradient(90deg, $uni-border-color-default, $uni-color-primary 50%, $uni-border-color-default);
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background-size: 100% 1px;
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background-repeat:no-repeat;
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z-index: 1;
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}
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.tabbar-container {
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position: fixed;
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bottom: 0rpx;
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left: 0rpx;
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width: 100%;
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height: 110rpx;
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display: flex;
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align-items: center;
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padding: 5rpx 0;
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color: $uni-text-color-grey;
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background: $uni-border-color-default;
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box-shadow: 0 2px 4px $uni-border-shadow-color-default;
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2024-01-16 16:57:49 +08:00
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/* 针对tabbar的统一处理 */
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.tabbar-item {
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width: 33.33%;
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height: 100rpx;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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text-align: center;
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.item-top {
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width: 70rpx;
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height: 70rpx;
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padding: 10rpx;
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image {
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width: 100%;
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height: 100%;
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}
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}
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// 未被选中的导航栏字体
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.item-bottom {
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font-size: 12px;
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width: 100%;
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}
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// 被选中的导航栏字体
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.item-active {
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color: $uni-text-color-inverse;
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}
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}
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// 最中间的tabbar导航栏
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.center-item {
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display: block;
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position: relative;
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z-index: 20;
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.item-top {
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flex-shrink: 0;
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width: 100rpx;
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height: 100rpx;
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position: absolute;
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top: -60rpx;
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left: calc(50% - 50rpx);
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border-radius: 50%;
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box-shadow: 0 2px 4px $uni-border-shadow-color-default;
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padding: 0;
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display: flex;
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align-items: center;
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justify-content: center;
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border: 2px solid $uni-text-color-inverse;
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.img{
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width: 100%;
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height: 100%;
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border-radius: 50%;
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}
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}
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.item-bottom {
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position: absolute;
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bottom: 5rpx;
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}
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.item-active {
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position: absolute;
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bottom: 5rpx;
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color: $uni-text-color-inverse;
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}
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}
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}
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</style>
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