60

我正在获取一组对象到后端，其中每个对象都包含一个服务名称。结构如下所示

[{"serviceName":"service1"},
{"serviceName":"service2"},..]

当我在后端获取数组时，我想验证数组中的每个对象都具有 serviceName 属性。

我编写了以下代码，但即使我传递了有效的数组，我也会收到验证错误。

var Joi = require('joi');
var service = Joi.object().keys({
  serviceName: Joi.string().required()
});

var services = Joi.array().ordered(service);

var test = Joi.validate([{serviceName:'service1'},{serviceName:'service2'}],services)

对于上面的代码，我总是收到带有消息的验证错误

"value" at position 1 fails because array must contain at most 1 items
4

5 回答 5

121

用项目替换订购的将起作用。

let Joi = require('joi')
let service = Joi.object().keys({
  serviceName: Joi.string().required(),
})

let services = Joi.array().items(service)

let test = Joi.validate(
  [{ serviceName: 'service1' }, { serviceName: 'service2' }],
  services,
)

参考请点击这里

于 2016-06-10T10:51:02.067 回答
19

A basic/ clearer example is as follows. To validate a JSON request like this:

   {
    "data": [
            {
        "keyword":"test",
        "country_code":"de",
        "language":"de",
        "depth":1
            }
        ]
    }

Here is the Joi validation:

 seoPostBody: {
    body: {
      data: Joi.array()
        .items({
          keyword: Joi.string()
            .required(),
          country_code: Joi.string()
            .required(),
          language: Joi.string()
            .required(),
          depth: Joi.number()
            .required(),
        }),
    },
  };

This is what I am doing in NodeJs, might need some slight changes for other platforms

于 2020-04-28T14:58:01.877 回答
2 
const test = {
body: Joi.array()
    .items({
        x: Joi.string().required(),
        y: Joi.string().required(),
        z: Joi.string().required(),
        date: Joi.string().required(),
    })

};

于 2020-09-17T07:38:17.117 回答
2

只是想让它更清楚。我目前正在使用“@hapi/joi:16.1.7”。

假设您希望您的架构验证这个对象数组。

const example = [
   {
      "foo": "bar",
      "num": 1,
      "is_active": true,
   }
];

那么架构的规则应该是：

var validator = require('@hapi/joi');

const rules = validator.array().items(
    validator.object(
        foo: validator.string().required(),
        num: validator.number().required(),
        is_active: validator.boolean().required(),
    ),
);

const { error } = rules.validate(example);
于 2019-11-20T02:50:26.670 回答
0

对于 Joi，您可以使用下面这对我来说工作正常，这将验证该数组必须至少在对象上具有 key serviceName-

const Joi = require('joi');
const itemsArray = Joi.array().items(
            Joi.object({
                serviceName: Joi.string().required(),
            })
        ).min(1).required();

        const itemSchema = Joi.array().items(itemsArray).when('checkout_type', {
            is: 'guest',
            then: Joi.array().required(),
        }).required();

let schema = Joi.object().keys({
        items: Joi.alternatives().try(itemsArray, itemSchema).required(),
    });
于 2019-12-06T11:32:03.263 回答