vue数字验证

showAddFieldModelRule: {
  name: [
    { required: true, message: '请填写表头名称', trigger: 'blur' }
  ],
  index: [
    { required: true, message: '请填写排序号', trigger: 'blur' },
    { type: 'number', message: '必须是数字，且数字>=30', min:30, trigger: 'blur' }
  ]
}

<el-form-item label="排序数：" prop="index" >
  <el-input type="text" v-model.number="showAddFieldModel.index" style="width:70%" clearable></el-input>
</el-form-item>


2.

{ type: 'string', pattern: '^[0-9]*$', message: '只能输入正整数', trigger: 'blur' }