@liuliang520500/pdd-sdk-new/dist/lib/client.js

拼多多开放平台 SDK，支持多多进宝商品推广、订单查询等接口

import axios from 'axios';
import crypto from 'crypto';
/**
 * 拼多多开放平台客户端
 */
export class PddClient {
    /**
     * 构造函数
     * @param config 客户端配置
     */
    constructor(config) {
        this.clientId = config.clientId;
        this.clientSecret = config.clientSecret;
        this.accessToken = config.accessToken;
        this.serverUrl = config.serverUrl || 'https://gw-api.pinduoduo.com/api/router';
        this.debug = config.debug || false;
        this.axios = axios.create({
            baseURL: this.serverUrl,
            timeout: 30000,
            headers: {
                'Content-Type': 'application/x-www-form-urlencoded'
            }
        });
    }
    /**
     * 生成签名
     * @param params 请求参数
     * @returns 签名字符串
     */
    generateSign(params) {
        const sortedKeys = Object.keys(params).sort();
        let signStr = this.clientSecret;
        for (const key of sortedKeys) {
            const value = params[key];
            if (key !== 'sign' && value !== undefined && value !== null && value !== '') {
                signStr += key + value;
            }
        }
        signStr += this.clientSecret;
        return crypto.createHash('md5')
            .update(signStr)
            .digest('hex')
            .toUpperCase();
    }
    /**
     * 执行接口请求
     * @param params 业务参数
     * @returns 接口响应
     */
    async execute(params) {
        const commonParams = {
            client_id: this.clientId,
            timestamp: Math.floor(Date.now() / 1000).toString(),
            data_type: 'JSON',
            version: 'V1'
        };
        if (this.accessToken) {
            commonParams.access_token = this.accessToken;
        }
        const requestParams = {
            ...commonParams,
            ...params
        };
        requestParams.sign = this.generateSign(requestParams);
        try {
            const response = await this.axios.post('', new URLSearchParams(requestParams));
            if (response.data.error_response) {
                throw new Error(JSON.stringify(response.data.error_response));
            }
            return response.data;
        }
        catch (error) {
            throw error;
        }
    }
}