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<template>
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<view>
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<!-- 移动设备顶部状态栏 -->
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<view class="top_bar flex w-full" v-if="isMobile">
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<view class="sub-header">
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<view class="header-left" @click="goBack">
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<i class="fas fa-arrow-left"></i>
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</view>
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<view class="header-title">{{ title }}</view>
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<view class="header-right" @click="showMoreOptions">
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<i class="fas fa-ellipsis-v"></i>
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</view>
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</view>
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</view>
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<!-- 浏览器环境下的导航栏 -->
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<view class="sub-header" v-else>
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<view class="header-left" @click="goBack">
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<i class="fas fa-arrow-left"></i>
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</view>
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<view class="header-title">{{ title }}</view>
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<view class="header-right" @click="showMoreOptions">
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<i class="fas fa-ellipsis-v"></i>
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</view>
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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: 'SubHeader',
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props: {
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title: {
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type: String,
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default: '页面标题'
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},
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showBack: {
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type: Boolean,
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default: true
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},
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showMore: {
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type: Boolean,
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default: true
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}
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},
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computed: {
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// 从全局数据获取设备信息
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isMobile() {
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return getApp().globalData.isMobile;
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}
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},
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methods: {
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/**
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* 返回
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*/
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goBack() {
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this.$emit('goBack');
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},
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/**
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* 显示更多选项
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*/
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showMoreOptions() {
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this.$emit('showMoreOptions');
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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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/* 移动设备顶部状态栏 */
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.top_bar {
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background: var(--gradient-primary);
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box-shadow: var(--shadow-lg);
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z-index: 9999;
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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height: calc(var(--status-bar-height) + 88rpx);
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display: flex;
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align-items: flex-end;
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padding-top: var(--status-bar-height);
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box-sizing: border-box;
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}
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/* 支持安全区域的设备 */
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@supports (padding: max(0px)) {
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.top_bar {
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height: calc(var(--status-bar-height) + 88rpx + env(safe-area-inset-top));
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padding-top: calc(var(--status-bar-height) + env(safe-area-inset-top));
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}
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.top_bar + .header {
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margin-top: calc(
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var(--status-bar-height) + 88rpx + env(safe-area-inset-top)
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);
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}
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}
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/* 顶部导航栏 */
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.sub-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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height: 88rpx;
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background-color: var(--surface);
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border-bottom: 1rpx solid var(--border);
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padding: 0 20rpx;
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box-sizing: border-box;
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box-shadow: var(--shadow);
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}
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/* 浏览器环境下的固定定位 */
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.sub-header:not(.top_bar .sub-header) {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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z-index: 9999;
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height: calc(var(--status-bar-height) + 88rpx);
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padding-top: var(--status-bar-height);
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}
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/* 移动设备下的导航栏样式 */
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.top_bar .sub-header {
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background: transparent;
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border-bottom: none;
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box-shadow: none;
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width: 100%;
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height: 88rpx;
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padding: 0 20rpx;
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box-sizing: border-box;
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}
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.top_bar .header-title {
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color: var(--white);
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font-weight: 600;
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font-size: 36rpx;
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}
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.top_bar .header-left i,
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.top_bar .header-right i {
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color: var(--white);
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font-size: 40rpx;
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}
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.header-left,
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.header-right {
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width: 80rpx;
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height: 88rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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transition: background-color 0.2s ease;
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}
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.header-right:active {
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background-color: var(--surface-hover);
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border-radius: 8rpx;
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}
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/* 移动设备下的按钮悬停效果 */
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.top_bar .header-left:active,
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.top_bar .header-right:active {
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background-color: rgba(255, 255, 255, 0.2);
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border-radius: 8rpx;
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}
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.header-title {
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font-size: 32rpx;
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font-weight: 600;
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color: var(--title-color);
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}
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/* 浏览器环境下为内容添加顶部间距 */
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.sub-header:not(.top_bar .sub-header) + .header {
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margin-top: calc(var(--status-bar-height) + 88rpx);
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}
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@supports (padding: max(0px)) {
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.sub-header:not(.top_bar .sub-header) {
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height: calc(var(--status-bar-height) + 88rpx + env(safe-area-inset-top));
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padding-top: calc(var(--status-bar-height) + env(safe-area-inset-top));
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}
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.sub-header:not(.top_bar .sub-header) + .header {
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margin-top: calc(
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var(--status-bar-height) + 88rpx + env(safe-area-inset-top)
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);
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}
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}
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</style>
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