el-table+el-form 实现表格里面放入表单，并表单验证必填

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实现效果

代码

<template>
  <div>
    <el-button @click="add">新增</el-button>
    <el-button @click="save">保存</el-button>
    <el-form ref="form" :rules="rules" :model="form">
      <el-table ref="table" :data="form.tableData" border>
        <el-table-column>
          <template slot="header">
            <p>
              姓名
              <span style="color:red;font-size:16px;">*</span>
            </p>
          </template>
          <template slot-scope="scope">
            <el-form-item :prop=" 'tableData.' + scope.$index + '.name' " :rules="rules.name">
              <el-input v-model="scope.row.name"></el-input>
            </el-form-item>
          </template>
        </el-table-column>
        <el-table-column>
          <template slot="header">
            <p>
              年龄
              <span style="color:red;font-size:16px;">*</span>
            </p>
          </template>
          <template slot-scope="scope">
            <el-form-item :prop=" 'tableData.' + scope.$index + '.age' " :rules="rules.age">
              <el-input v-model.number="scope.row.age" type="number"></el-input>
            </el-form-item>
          </template>
        </el-table-column>
        <el-table-column label="身高">
          <template slot-scope="scope">
            <el-form-item>
              <el-input v-model.number="scope.row.height" type="number"></el-input>
            </el-form-item>
          </template>
        </el-table-column>
        <el-table-column label="年龄+身高" prop="other" />
      </el-table>
    </el-form>
  </div>
</template>

<script>
export default {
  data() {
    return {
      form: {
        tableData: []
      },
      rules: {
        name: [{ required: true, message: "名字不能为空", trigger: "blur" }],
        age: [{ required: true, message: "年龄不能为空", trigger: "blur" }]
      }
    };
  },
  watch: {
    "form.tableData": {
      handler(val) {
        val.forEach(item => {
          item.other = item.age + item.height;
        });
      },
      deep: true
    }
  },
  methods: {
    add() {
      this.form.tableData.push({
        name: "",
        age: "",
        height: "",
        other: ""
      });
    },
    del(index) {
      this.form.tableData.splice(index, 1);
    },
    save() {
      this.$refs.form.validate(valid => {
        if (valid) {
          console.log("通过");
          console.log(this.form.tableData);
        }
      });
    }
  }
};
</script>