To dynamically add and remove rows in an el-table with input fields using element-plus, you can use the following approach:

1. Define a state variable in your component to store the table data:

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data() {
  return {
    tableData: [
      // initial data
    ]
  }
}

2. Render the el-table component with the tableData as its data source:

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<el-table :data="tableData">
  <!-- table columns -->
</el-table>

3. To add a new row to the table, create a new object with the required properties and push it to the tableData array:

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const newRow = { id: null, name: '', age: null }
this.tableData.push(newRow)

4. To remove a row from the table, use the splice method to remove the row from the tableData array:

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this.tableData.splice(rowIndex, 1) // remove row at rowIndex

5. To allow editing of the row data, you can use input fields within the el-table-column components:

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<el-table-column label="Name">
  <template slot-scope="scope">
    <el-input v-model="scope.row.name"></el-input>
  </template>
</el-table-column>

Here, scope.row.name is a two-way binding to the name property of the current row in the el-table.

Putting it all together, here’s an example component that demonstrates adding and removing rows with input fields in an el-table:handlebarsCopy

<template>
  <el-table :data="tableData">
    <el-table-column label="ID">
      <template slot-scope="scope">
        <span>{{ scope.row.id }}</span>
      </template>
    </el-table-column>
    <el-table-column label="Name">
      <template slot-scope="scope">
        <el-input v-model="scope.row.name"></el-input>
      </template>
    </el-table-column>
    <el-table-column label="Age">
      <template slot-scope="scope">
        <el-input v-model="scope.row.age"></el-input>
      </template>
    </el-table-column>
    <el-table-column>
      <template slot-scope="scope">
        <el-button @click="removeRow(scope.$index)">Remove</el-button>
      </template>
    </el-table-column>
  </el-table>
  <el-button @click="addRow">Add Row</el-button>
</template>

<script>
export default {
  data() {
    return {
      tableData: [
        { id: 1, name: 'John', age: 30 },
        { id: 2, name: 'Emily', age: 25 }
      ]
    }
  },
  methods: {
    addRow() {
      const newRow = { id: null, name: '', age: null }
      this.tableData.push(newRow)
    },
    removeRow(rowIndex) {
      this.tableData.splice(rowIndex, 1)
    }
  }
}
</script>

Note that in this example, the Add Row button calls the addRow method, which adds a new row to the tableData array. The Remove button in each row calls the removeRow method with the current row index, which removes the row from the tableData array.