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formily-request

v0.2.3

Published

A flexible, lightweight, non-intrusive plugin for extending formily schema request data.

Downloads

20

Readme

NPM Package Minified Size Gzipped Size

Formily Request 是一个灵活、轻量、无侵入性,扩展 json schema 配置的请求数据插件。

  • 组件无关,不用写额外的自定义组件
  • 框架无关,不用关注是 Vue 还是 React
  • 组件库无关,不用关注是 Ant Design 还是 Element Plus
  • 高扩展性,可用于 Select、Radio、Checkbox、Cascader 等任何动态数据的组件

Demo / Examples / API 文档

入门使用

安装

该插件需要 peer 依赖 @formil/reactive@>=2.2.27,请先确保已经安装。

$ npm i formily-request

使用

import fxr from "formily-request";
import { Schema } from "@formily/react"; // or @formily/vue

// 1.注入Schema类
// 2.注册x-request自定义属性,参数参考上方API文档
fxr.use(Schema).register();

const schema: ISchema = {
  type: "object",
  properties: {
    select: {
      type: "string",
      "x-component": "Select",
      // 3.配置x-request
      "x-request": {
        url: "/ws/place/v1/suggestion",
      },
    },
  },
};

export default () => {
  return <SchemaField schema={schema} />;
};

使用方式

为满足不同的使用需求,x-request 提供了 3 种配置方式:

方式一:使用 url、method 等配置

{
  "x-request": {
    "url": "http://xxx.xx.com",
    "method": "post",
    "credentials": "include",
    "headers": {
      "Content-Type": "application/json"
    }
  }
}

该方式使用了插件内置的fetch发起请求,并未做过多的封装,除了 url、method,还可以在x-request内使用header等任何 fetch 的配置。

但是,这种方式也有使用限制,由于 schema 是静态配置,当 url 地址需要在不同开发环境发生变化,例如,开发环境使用了/api作为前缀,生成环境使用http://开头的场景,此时,就需要使用register的参数:

import fxr from "formily-request";

// 记得先 use(Schema)
fxr.register({
  baseURL: import.meta.env.BASIC_API, // 全局配置
});

除了 baseURL,一些全局、不想在 scheme 上重复配置的参数也可以在这里(或组件内)配置。

注意: 使用 url 配置方式时,x-request.params必须为object类型,否则无法解析参数。

方式二:使用service发起请求

方式一的内置 fetch 如果无法满足请求,或者有一些定制的逻辑处理,如:token 验证、响应拦截、错误处理...等,可以使用service配置:

// 声明一些业务使用的请求函数,返回类型为 Promise 即可
const queryUser = (params: { name: string }) => {
  return axios('/xxx/yyy', { params, method: 'GET' })
}

// 在scope中注入
<SchemaField scope={{ queryUser }} />

// 在schema配置中使用
{
  "x-request": {
    "service": "{{ queryUser }}",
    "params": {
      name: '' // 这里可以使用表达式处理一些其他字段依赖,如: '{{ $values.xx }}'
    },
  }
}

方式三:使用customService

如果不想使用内置的 fetch,又想使用 x-request 配置,可以使用该方式,它介于一、二之间,例如:

import type { RequestObject } from "formily-request";

// 入参为x-request配置项
const queryUser = (requestConfig: RequestObject) => {
  const { url, params, method } = RequestObject;
  return jsonp(url, { method, params });
};

// 在scope中注入
<SchemaField scope={{ queryUser }} />

// 在schema配置中使用
{
  "x-request": {
    "customService": "{{ queryUser }}", // 这里不再是service
    "params": {
      name: '' // 这里可以使用表达式处理一些其他字段依赖,如: '{{ $values.xx }}'
    },
  }
}

如果同时配置了以上 3 种方式,优先级为 customService > service > 内置 fetch

联动

目前已知的联动场景如下:

  • 字段联动,如:省市区、库表等;
  • Select组件的onSearch事件会触发接口的二次请求;

字段联动场景比较简单,不做赘述,这里主要讲一下 onSearch 主动触发场景:

{
  "x-component": "Select",
  "x-component-props": {
    onSearch: '{{ v => $self.invoke("updateRequest", request => request.params.keyword = v) }}'
  },
  "x-request": {
    "url": "",
    "params": {
      keyword: ""
    }
  }
}

updateRequest为插件注入的自定义方法,调用$self.invoke,参数为函数,函数入参为配置的x-request配置,通过改写具体属性,可实现接口的响应式更新。

对于 Select 组件的搜索场景,可以参考 demo:example-basic-jsonp--search