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egg-validate-plus

v1.1.6

Published

egg validate plugin

Downloads

1,050

Readme

egg-validate-plus

NPM version build status Test coverage David deps Known Vulnerabilities npm download

用法

开启插件

// config/plugin.{env}.js
exports.validatePlus = {
  enable: true,
  package: 'egg-validate-plus',
};

配置插件

// config/config.{env}.js
config.validatePlus = {
  resolveError(ctx, errors) {
    if (errors.length) {
      ctx.type = 'json';
      ctx.status = 400;
      ctx.body = {
        code: 400,
        error: errors,
        message: '参数错误',
      };
    }
  }
};

使用插件

目录结构

|- MY-PROJECT
    |- app
        |- controller
            |- user.js
            |- post.js
        |- rules
            |- user
                |- login.js [用户登录参数校验规则]
            |- post
                |- add.js [创建 post 参数校验规则]
    |- config
        |- config.default.js
        |- plugin.js
    |- package.json
    |- README.md

规则的传入方式

1.传入字符串
// app/controller/xx.js
const { query } = this.ctx.request;

// 拿到验证结果
const validateResult = await this.ctx.validate('user.login', query)
// 验证不通过时,阻止后面的代码执行
if (!validateResult) return

注意:不要带上 rules

2.直接传入验证规则对象
// app/controller/xx.js
// 直接引入 rules 文件下的验证规则,也可以是自己写的验证规则对象
const rule = this.app.rules.user.login
// 数据格式
// const rule = {
//   id: [
//     { required: true },
//     { type: 'number', message: 'id 必须为数字 }
//   ],
//   password: [
//     { required: true },
//     { type: 'string', message: 'password 必须为字符串 }
//   ]
// }

// 从客户端传入的参数 
const { query } = this.ctx.request;
// 数据格式: 
// query = {
//   username: 123456,
//   password: 'abcdefg'
// }

// 拿到验证结果
const validateResult = await this.ctx.validate(rule, query)
// 验证不通过时,阻止后面的代码执行
if (!validateResult) return

使用场景

  • 为什么要自己造轮子? 其实 egg 官方有一个 egg-validate 插件,非常的优秀。但是我觉得有几个不满意的地方:
    • 不能使用自定义错误提示
    • 类型校验兼容性差
    • 非必填校验兼容性差
  • 提供哪些更好的体验?
    • 使用自定义错误提示
    • 提供更多的类型校验
    • 兼容更多非必填校验场景

依赖说明

依赖的 egg 版本

egg-validate-plus 版本 | egg 1.x --- | --- 1.x | 😁 0.x | ❌

依赖的插件

  • async-validator 目前大部分的校验规则插件都使用了 async-validator,包括前端的表单验证,egg-validate-plus 也不例外,感谢作者 yiminghe

默认配置

请到 config/config.default.js 查看详细配置项说明。

提问交流

欢迎提 PRissues

License

MIT