vue2.0 + ele的循环表单及验证字段方法

<el-form ref="ruleform" :inline="true" :model="form" label-width="140px" :rules="rules"
  v-loading.fullscreen.lock="fullscreenloading" element-loading-text="拼命加载中...">
  <div v-for="(item, index) in form.xh" @click="handleindex(index)">
   <el-form-item label="账号" prop="tel">
   <el-input v-model="item.tel" ></el-input>
   </el-form-item>
   <el-form-item label="姓名" prop="nickname" v-show="item.isnickname">
   <el-input v-model="item.nickname"></el-input>
   </el-form-item>
  </div>
  <el-form-item label="年龄" prop="age">
   <el-input v-model="form.age"></el-input>
  </el-form-item>

  <el-form-item>
   <el-button type="primary" @click="submitform('ruleform')">提交</el-button>
   <el-button @click="oncancel">取消</el-button>
  </el-form-item>
 </el-form>   

//引入接口
import {
  fetchdata, 
} from 'src/api/login'

export default {
 var checktel = (rule, value, callback) => {
   //循环判断这里是关键，这样做才可以对循环里每一条做判断
    for (let i = 0; i < this.form.xh.length; i++) {
      value = this.form.xh[i].tel;
      var vdt = this.vdt.vdata(value, { //这里需要你自己去在另一个文件里配上
       'required': {msg: '请填写账号'}
      });
      if (!vdt.result) {
       callback(new error(vdt.msg));
      } else {
       callback();
      }
    }
   };
 var checknickname = (rule, value, callback) => {
  for (let i = 0; i < this.form.xh.length; i++) {
  //先判断有没有姓名，假使nickname为false那就不要验证
   if (this.form.xh[i].isnickname) {
    value = this.form.xh[i].nickname;
    var vdt = this.vdt.vdata(value, { //这里需要你自己去在另一个文件里配上
     'required': {msg: '请填写姓名'}
    });
    if (!vdt.result) {
     callback(new error(vdt.msg));
    } else {
     callback();
    }
   }
   else {
    callback();
   }
  }
 };
 //因为这里不是循环里面的，所以value对应的值就一个故可直接使用
  var checkage = (rule, value, callback) => {
    var vdt = this.vdt.vdata(value, {'required': {msg: '请填写年龄'}});
    if (!vdt.result) {
     callback(new error(vdt.msg));
    } else {
     callback();
    }
   };
  return {
   form: {
     xh:[{
      tel,
      nickname,
      isnickname:false, //附一个初始值，默认不显示。
     }],
     age:'',
     id:'1',
   },
   rules: {
    tel: [{required: true, validator:checktel,trigger: 'blur',}], 
    nickname: [{required: true, validator:checknickname,trigger: 'blur',}], 
    age: [{required: true, validator:checkage,trigger: 'blur',}], 
   },
  },
  },
 created() {
  this.getdata();
 },
 methods: {
  getdata() {
    this.fullscreenloading = true;
    fetchdata(this.id).then(response => { //这里请求对应的接口
    if(response.data.success == true) {
      this.fullscreenloading = false;
      this.form = response.data.data; //返回数据赋给表单

    }else{
      this.fullscreenloading = false;
      return false;
    }
  }
 }
}