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In the el-table component of Element Plus, you can use CSS to set the mouse style when sliding over a row. You can use the cursor property of CSS to define the style when the mouse hovers. The following is a simple example:

First, in your Vue component

.el-table .el-table__row:hover {
  cursor: pointer; /* 这里可以更改为其他的光标样式，比如 'crosshair', 'help', 'move', 'not-allowed' 等 */
}
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This CSS will be applied to each row in your el-table (el-table__row), and will display the specified cursor style when the mouse hovers over it.

Next, make sure your el-table is rendered correctly in your component template:

<template>
  <el-table 
   :data="tableData" 
   @current-change="handleSelectionChange"
   style="width: 100%"
   >
    <!-- 你的 el-table-column 定义 -->
  </el-table>
</template>
 
<script>
export default {
  data() {
    return {
      tableData: [
        // 你的数据数组
      ]
    }
  }
  methord:{
  handleSelectionChange(val) {
          this.multipleSelection = val;
          console.log(val)
          // let api = new ModellingServiceApi()
          // await api.deleteNode({sid: this.psssData.id?this.psssData.id:1,nodeId:this.selectNodeData.nodeId })
        },
  }
}
</script>
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