如何使用Joi验证对象数组？

Question

我得到一个后端数组,每个对象包含一个服务名称.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有serviceName属性.

我编写了以下代码,但即使我传递有效数组,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

Answer 1

更换订购的商品将有效.

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,
)

如需参考,请点击此处

Answer 2

一个基本/更清晰的例子如下。要验证这样的 JSON 请求：

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

这是 Joi 验证：

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

这是我在 NodeJs 中所做的，对于其他平台可能需要一些细微的更改

Answer 3

const test = {
body: Joi.array()
    .items({
        x: Joi.string().required(),
        y: Joi.string().required(),
        z: Joi.string().required(),
        date: Joi.string().required(),
    })
};