A validate plugin for egg.js
npm install eggjs-validateA validate middleware for egg.js
``
$ npm i eggjs-validate --save
1.Create a middleware file `app/middleware/validator.js`
`
'use strict';
module.exports = require('eggjs-validate');
`
2.Open a middleware in config/config.default.js`
`
config.middleware = [
'validator'
];
`
3.Add rules to app/rules/`
// app/rules/user.js
"use strict";
module.exports = {
getUserInfo: {
id: {
required: true,
message: 'id不能为空'
}
}
}
// app/rules/news.js
"use strict";
module.exports = {
addNews: {
link: [
{
required: true,
message: 'link不能为空'
},
{
type: 'string',
message: 'link 必须为是链接',
validator: (rule, value) => {
return rules.isURL(value);
},
},
]
}
}
`
4.Use in `app/controller/user.js`
`
const { body } = this.ctx.request
try {
...
await this.ctx.validator('user.getUserInfo', body)
...
}catch (e) {
this.ctx.body = {
message: e.message
}
}
#### type
- string: Must be of type string. This is the default type.
- number: Must be of type number.
- boolean: Must be of type boolean.
- method: Must be of type function.
- regexp: Must be an instance of RegExp or a string that does not generate an exception when creating a new RegExp.
- integer: Must be of type number and an integer.
- float: Must be of type number and a floating point number.
- array: Must be an array as determined by Array.isArray.
- object: Must be of type object and not Array.isArray.
- enum: Value must exist in the enum.
- date: Value must be valid as determined by Date
- url: Must be of type url.
- hex: Must be of type hex.
- email: Must be of type email.
- any: Can be any type.
#### message
error message.
#### asyncValidator
Asynchronous check.
`
{
type: 'string',
message: 'link 必须为是链接',
asyncValidator: async(rule, value) => {
const res = await request.get(...)
...
return true
},
},
#### validator
Synchronous check.
Please refer to https://www.npmjs.com/package/validator