el-popover实现缩略图

要实现el-popover的缩略图效果，可以使用el-image和el-popover组件结合起来。首先，需要在el-image标签中添加slot="reference"属性，将该el-image组件作为popover的触发元素。然后，在el-popover组件中设置placement属性为适当的位置，如"right"，trigger属性为"hover"，表示鼠标移入时显示popover。在popover的内容中，可以使用el-image组件来展示缩略图的预览图。具体代码如下：

<<&lt;el-popover placement="right" trigger="hover">
<el-image src="${request.contextPath}/static/images/class1.png"></el-image>
<el-image slot="reference" src="${request.contextPath}/static/images/class1.png" alt="${request.contextPath}/static/images/class1.png" style="max-height: 150px;max-width: 200px"></el-image>
&lt;/el-popover>>><span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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