昨天写了个table中放入input的小例子，今天闲暇之余又琢磨了下带有验证的。

主要注意两个地方就行，动态生成 el-form-item的 prop 以及给el-form-item设置rules属性。
话不多说，直接上代码！

html部分

<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>

js部分

<script>
  export default {
    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
            alert(JSON.stringify(data))
          }
        })
      }
    }
  }

</script>

效果图