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@@ -3,7 +3,7 @@
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<view class="icon-title-navBar-box">
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<text class="nav-bar-title">学习</text>
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</view>
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- <view v-if="existData" class="ezy-page-body xuexi-page-body">
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+ <view v-if="existData" class="ezy-page-body xuexi-page-body" ref="containerRef">
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<view class="xxjl-card-box-padding">
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<view class="xxjl-card-box">
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<!-- 显示内容 -->
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@@ -86,7 +86,7 @@
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</view>
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<!-- 回到顶部 -->
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- <view class="go-top-btn" v-if="false"></view>
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+ <view class="go-top-btn" v-if="showTop" @click="handleTop"></view>
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</view>
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<view v-if="!existData">
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@@ -134,6 +134,7 @@
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throttleTimer: null,
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activeAAAIndex: 0,
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defaultD: 0,
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+ showTop: false,
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//-------------- end ---------------/
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@@ -486,11 +487,15 @@
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if ((item.top + res[0].top) < this.defaultD+20) {
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arr.push(index)
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}
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+ if (res[0].top< 0) {
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+ this.showTop = true
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+ } else {
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+ this.showTop = false
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+ }
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})
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-
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if (arr.length) {
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if (this.activeAAAIndex != arr[arr.length - 1]) {
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- console.log('当前数据', this.danyuanList[arr[arr.length - 1]])
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+ // console.log('当前数据', this.danyuanList[arr[arr.length - 1]])
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this.activeAAAIndex = arr[arr.length - 1];
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}
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}
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@@ -512,7 +517,11 @@
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// 添加初始调试信息
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console.log("页面初始化完成，单元位置:", this.unitPositions);
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});
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- }
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+ },
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+ handleTop() {
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+ console.log('ccc', this.$refs.containerRef.$el.scrollTop)
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+ this.$refs.containerRef.$el.scrollTop = 0;
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+ }
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},
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}
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</script>
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wangxy