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97 lines
1.9 KiB
97 lines
1.9 KiB
<template>
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<view
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class="back-button-container"
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:style="{ paddingTop: statusBarHeight + 'px' }"
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>
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<view @click="handleBack" class="back-btn">
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<image class="back-icon" :src="iconSrc" mode="aspectFill"></image>
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</view>
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</view>
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</template>
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<script>
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export default {
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name: "BackButton",
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props: {
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// 自定义图标路径
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iconSrc: {
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type: String,
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default: "https://epic.js-dyyj.com/uploads/20250825/f7e4825867dbd90e2cd0721a49fad6eb.png",
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},
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// 自定义返回逻辑
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customBack: {
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type: Function,
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default: null,
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},
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},
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data() {
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return {
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statusBarHeight: 0,
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};
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},
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mounted() {
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this.setStatusBarHeight();
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},
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methods: {
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setStatusBarHeight() {
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try {
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const systemInfo = uni.getSystemInfoSync();
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this.statusBarHeight = systemInfo.statusBarHeight || 0;
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} catch (e) {
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// 开发工具或获取失败时使用默认值
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this.statusBarHeight = 0;
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}
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},
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handleBack() {
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if (this.customBack) {
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// 使用自定义返回逻辑
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this.customBack();
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} else {
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// 默认返回逻辑
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uni.navigateBack({
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delta: 1,
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fail: () => {
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// 如果返回失败，跳转到首页
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uni.switchTab({
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url: "/pages/index/index",
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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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};
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</script>
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<style lang="scss" scoped>
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.back-button-container {
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position: fixed;
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top: 0;
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left: 0;
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z-index: 999;
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padding-left: 20rpx;
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padding-bottom: 20rpx;
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}
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.back-btn {
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width: 80rpx;
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height: 80rpx;
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background-color: rgba(0, 0, 0, 0.3);
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border-radius: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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backdrop-filter: blur(10rpx);
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transition: all 0.3s ease;
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&:active {
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transform: scale(0.95);
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background-color: rgba(0, 0, 0, 0.5);
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}
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}
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.back-icon {
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width: 40rpx;
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height: 40rpx;
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}
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</style>
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