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http-ajax

v8.1.0

Published

Promise based HTTP client for the browser

Downloads

17

Readme

http-ajax

Promise based HTTP client for the browser

Install

npm install http-ajax

Demo

在线示例

本地运行example示例

cd example
npm install
npm start

cd example/server
npm install
npm start

打开本地网址http://localhost:9700/app访问

Usage

config 配置项

import ajax, { Ajax } from 'http-ajax';
import loadingExtend from 'http-ajax/dist/loading-extend';
import cryptoExtend from 'http-ajax/dist/crypto-extend';
import signatureExtend from 'http-ajax/dist/signature-extend';
import _ from 'lodash';

ajax.config({
    /**
     * url前缀
     * @default '/api'
     */
    prefix: '/api',
    /**
     * 成功失败标志字段
     * @default 'result'
     */
    statusField: 'result',
    /**
     * 成功回调
     */
    onSuccess: <T = any>(
        xhr: XMLHttpRequest,
        {
            response,
            options,
            resolve,
            reject,
        }: { 
            response: Ajax.IResult; 
            options: Ajax.IOptions; 
            resolve: Ajax.IResolve<T>; 
            reject: Ajax.IReject;
            /** method */
            method?: Ajax.IMethod;
            /** url */
            url?: string;
            /** 请求参数 */
            params?: Ajax.IParams | undefined;
            /** 链路追踪 ID */
            xCorrelationID?: string;
        }
    ): void => {
        // 处理成功回调
        // 下面是默认处理代码
        const { statusField } = ajax.getConfig();
        if (response && typeof response === 'object' && typeof response[statusField] !== 'undefined') {
            if (response[statusField]) {
                if (response.confirmMsg) {
                    delete response[statusField];
                    resolve(response as T);
                } else {
                    if (response.warnMsg) {
                        window.$feedback(response.warnMsg, 'warning');
                    }
                    resolve(response.data as T);
                }
            } else {
                reject(response);
                if (options && options.autoPopupErrorMsg === false) {
                    return;
                }
                window.$feedback(response.errorMsg);
            }
        } else {
            resolve(response as T);
        }
    },
    /**
     * 失败回调
     */
    onError: <T = any>(xhr: XMLHttpRequest, _opts: Ajax.IRequestOptions): void => {
        // 处理错误回调
        // 下面是默认处理代码
        const error = {
            errorCode: xhr.status,
            errorMsg: xhr.statusText,
        };
        this.catchError(
            Object.assign(
                {
                    remark: `ajax: ${_opts.method} ${_opts.url} params: ${JSON.stringify(_opts.params)}`,
                },
                error
            )
        );
        if (xhr.status === 401 || xhr.status === 406) {
            this.onSessionExpired<T>(error, _opts);
        } else {
            _opts.reject(xhr);
        }
    },
    /**
     * 请求发送前
     */
    beforeSend: (props: {
        method: Ajax.IMethod;
        url: string;
        params: Ajax.IParams;
        options: Ajax.IOptions;
        /** 是否显示 loading */
        loading?: boolean;
    }): Ajax.IRequestResult | void => {
        let { options } = props;
        // 添加默认请求头
        _.defaultsDeep(options, {
            headers: {
                version: '1.0',
                dataFrom: 0,
            },
        });
    },
    /**
     * 数据处理
     */
    processData: (params: Ajax.IParams, props: { method: Ajax.IMethod; url: string; options: Ajax.IOptions }): Ajax.IParams => {
        // 自定义处理 params,比如 trim
        // ...
        return params;
    },
    /** 捕获错误 */
    catchError: (props: Ajax.ICatchErrorOptions): void => {
        // 这里可以自定义记录错误日志
    }
});

// 添加显示loading扩展
ajax.extend(loadingExtend());

// 添加加解密扩展
ajax.extend(cryptoExtend());

// 添加签名扩展
ajax.extend(signatureExtend());

发送请求

get请求

import ajax from 'http-ajax';

// 发送get请求
ajax.get<T = any>(url: string, params?: Ajax.IParams, options?: Ajax.IOptions).then((data) => {
    this.data = data;
});

// 发送get请求,并显示加载进度条
ajax.loadable.get<T = any>(url: string, params?: Ajax.IParams, options?: Ajax.IOptions).then((data) => {
    this.data = data;
});

post请求

import ajax from 'http-ajax';

// 发送post请求
ajax.post<T = any>(url: string, params?: Ajax.IParams, options?: Ajax.IOptions).then((data) => {
    this.data = data;
});

// 发送post请求,并显示加载进度条
ajax.loadable.post<T = any>(url: string, params?: Ajax.IParams, options?: Ajax.IOptions).then((data) => {
    this.data = data;
});

put请求

import ajax from 'http-ajax';

// 发送put请求
ajax.put<T = any>(url: string, params?: Ajax.IParams, options?: Ajax.IOptions).then((data) => {
    this.data = data;
});

// 发送put请求,并显示加载进度条
ajax.loadable.put<T = any>(url: string, params?: Ajax.IParams, options?: Ajax.IOptions).then((data) => {
    this.data = data;
});

delete请求

import ajax from 'http-ajax';

// 发送delete请求
ajax.del<T = any>(url: string, params?: Ajax.IParams, options?: Ajax.IOptions).then((data) => {
    this.data = data;
});

// 发送delete请求,并显示加载进度条
ajax.loadable.del<T = any>(url: string, params?: Ajax.IParams, options?: Ajax.IOptions).then((data) => {
    this.data = data;
});

参数 options

processData

boolean.
为false时不格式化请求参数。

json

boolean.
为false时不调用JSON.parse处理返回值。

autoPopupErrorMsg

boolean.
为false时,不弹出错误提示。

responseType

'' | 'arraybuffer' | 'blob' | 'document' | 'json' | 'text'
设置请求responseTyp

cache

boolean
设置为true,缓存本次请求到的数据

onData

(data: any) => void
当陆陆续续获取数据片段时的回调函数

onProgress

(e?: ProgressEvent) => void
上传文件进度

headers

设置请求头

encrypt

'all' | string[]
加密字段

transformResponse

自定义响应数据

(
    /** 数据 */
    data: any,
    /** 响应头 */
    headers?: { [name: string]: any }
) => any;

兼容性

兼容各主流浏览器。兼容IE需引入@babel/polyfill

安装

npm install @babel/polyfill

入口文件开头加上

import '@babel/polyfill';

或在HTML页面中加上@babel/polyfill的CDN资源引用。