22 lines
439 B
JavaScript
22 lines
439 B
JavaScript
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Component({
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properties: {
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// 是否显示返回顶部按钮
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show: {
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type: Boolean,
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value: false,
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observer: function(newVal) {
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this.setData({ isVisible: newVal });
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}
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}
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},
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data: {
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isVisible: false
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},
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methods: {
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// 触发父页面的返回顶部方法
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scrollToTop() {
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// 使用 triggerEvent 触发父页面的事件
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this.triggerEvent('scrolltomain');
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}
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}
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});
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