vue中在表格中添加输入框增删改

<template>
  <div class="block">
    <el-form :model="formData" ref="formData">
      <el-table :data="formData.tableData" border stripe style="width: 100%;">
        <el-table-column prop="name" label="姓名">
          <template slot-scope="scope">
            <el-form-item v-if="scope.row.edit" :prop="'tableData.' + scope.$index + '.name'" :rules='rules.name'>
              <el-input v-model="scope.row.name" placeholder="姓名"></el-input>
            </el-form-item>
            <span v-else>{{scope.row.name}}</span>
          </template>
        </el-table-column>
        <el-table-column prop="sex" label="性别">
          <template slot-scope="scope">
            <el-form-item v-if="scope.row.edit" :prop="'tableData.' + scope.$index + '.sex'" :rules='rules.sex'>
              <el-select v-model="scope.row.sex" placeholder="请选择">
                <el-option label="男" value="1">男</el-option>
                <el-option label="女" value="2">女</el-option>
              </el-select>
            </el-form-item>
            <span v-else>
              <p v-if="scope.row.sex==1">男</p>
              <p v-if="scope.row.sex==2">女</p>
            </span>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button v-if="scope.row.edit" type="text" size="medium" @click="confirmAdd(scope.row,'formData')">
              <i class="el-icon-check" aria-hidden="true"></i>
            </el-button>
            <div v-else>
              <el-button type="text" size="medium" @click="editData(scope.row)">
                <i class="el-icon-edit" aria-hidden="true"></i>
              </el-button>
              <el-button type="text" size="medium" @click="deleteData(scope.row,scope.$index)">
                <i class="el-icon-delete" aria-hidden="true"></i>
              </el-button>
            </div>
          </template>
        </el-table-column>
      </el-table>
    </el-form>
    <el-button type="text" @click="addData">添加数据</el-button>
    <el-divider></el-divider>
    <el-button @click="submitData('formData')">提交 </el-button>
  </div>
</template>
<script>
  export default {
    // https://blog.csdn.net/weixin_43753330/article/details/89963135
    name: "demo",
    data() {
      return {
        formData: {
          tableData: [],
        },
        rules: {
          name: {
            required: true,
            message: '请输入名字',
          },
          sex: {
            required: true,
            message: '请选择性别',
          },
        },
      }
    },
    methods: {
      //添加
      addData() {
        this.formData.tableData.push({
          edit: true,
        });
      },
      //确认添加
      confirmAdd(row, formName) {
        this.$refs[formName].validate((valid) => {
          if (valid) {
            row.edit = false;
          }
        })
      },
      //修改
      editData(row) {
        row.edit = true;
      },
      //删除
      deleteData(row, index) {
        this.formData.tableData.splice(index, 1);
      },
      submitData(formName) {

        this.$refs[formName].validate((valid) => {
          if (valid) {
            let data = this.formData.tableData;
            console.log
            alert(JSON.stringify(data))
          }
        })
      }
    }
  }

</script>