1#!/bin/bash
2curl -i -k 'https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id=【百度云应用的AK】&client_secret=【百度云应用的SK】'

1<?php
2function request_post($url = '', $param = '') {
3        if (empty($url) || empty($param)) {
4            return false;
5        }
6        
7        $postUrl = $url;
8        $curlPost = $param;
9        $curl = curl_init();//初始化curl
10        curl_setopt($curl, CURLOPT_URL,$postUrl);//抓取指定网页
11        curl_setopt($curl, CURLOPT_HEADER, 0);//设置header
12        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);//要求结果为字符串且输出到屏幕上
13        curl_setopt($curl, CURLOPT_POST, 1);//post提交方式
14        curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);
15        $data = curl_exec($curl);//运行curl
16        curl_close($curl);
17        
18        return $data;
19    }
20
21    $url = 'https://aip.baidubce.com/oauth/2.0/token';
22    $post_data['grant_type']       = 'client_credentials';
23    $post_data['client_id']      = '你的 Api Key';
24    $post_data['client_secret'] = '你的 Secret Key';
25    $o = "";
26    foreach ( $post_data as $k => $v ) 
27    {
28        $o.= "$k=" . urlencode( $v ). "&" ;
29    }
30    $post_data = substr($o,0,-1);
31    
32    $res = request_post($url, $post_data);
33
34    var_dump($res);
35
36?>

1package com.baidu.ai.aip.auth;
2
3import org.json.JSONObject;
4
5import java.io.BufferedReader;
6import java.io.InputStreamReader;
7import java.net.HttpURLConnection;
8import java.net.URL;
9import java.util.List;
10import java.util.Map;
11
12/**
13 * 获取token类
14 */
15public class AuthService {
16
17    /**
18     * 获取权限token
19     * @return 返回示例：
20     * {
21     * "access_token": "24.460da4889caad24cccdb1fea17221975.2592000.1491995545.282335-1234567",
22     * "expires_in": 2592000
23     * }
24     */
25    public static String getAuth() {
26        // 官网获取的 API Key 更新为你注册的
27        String clientId = "百度云应用的AK";
28        // 官网获取的 Secret Key 更新为你注册的
29        String clientSecret = "百度云应用的SK";
30        return getAuth(clientId, clientSecret);
31    }
32
33    /**
34     * 获取API访问token
35     * 该token有一定的有效期，需要自行管理，当失效时需重新获取.
36     * @param ak - 百度云官网获取的 API Key
37     * @param sk - 百度云官网获取的 Securet Key
38     * @return assess_token 示例：
39     * "24.460da4889caad24cccdb1fea17221975.2592000.1491995545.282335-1234567"
40     */
41    public static String getAuth(String ak, String sk) {
42        // 获取token地址
43        String authHost = "https://aip.baidubce.com/oauth/2.0/token?";
44        String getAccessTokenUrl = authHost
45                // 1. grant_type为固定参数
46                + "grant_type=client_credentials"
47                // 2. 官网获取的 API Key
48                + "&client_id=" + ak
49                // 3. 官网获取的 Secret Key
50                + "&client_secret=" + sk;
51        try {
52            URL realUrl = new URL(getAccessTokenUrl);
53            // 打开和URL之间的连接
54            HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
55            connection.setRequestMethod("GET");
56            connection.connect();
57            // 获取所有响应头字段
58            Map<String, List<String>> map = connection.getHeaderFields();
59            // 遍历所有的响应头字段
60            for (String key : map.keySet()) {
61                System.err.println(key + "--->" + map.get(key));
62            }
63            // 定义 BufferedReader输入流来读取URL的响应
64            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
65            String result = "";
66            String line;
67            while ((line = in.readLine()) != null) {
68                result += line;
69            }
70            /**
71             * 返回结果示例
72             */
73            System.err.println("result:" + result);
74            JSONObject jsonObject = new JSONObject(result);
75            String access_token = jsonObject.getString("access_token");
76            return access_token;
77        } catch (Exception e) {
78            System.err.printf("获取token失败！");
79            e.printStackTrace(System.err);
80        }
81        return null;
82    }
83
84}

1# encoding:utf-8
2import requests 
3
4# client_id 为官网获取的AK， client_secret 为官网获取的SK
5host = 'https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id=【官网获取的AK】&client_secret=【官网获取的SK】'
6response = requests.get(host)
7if response:
8    print(response.json())

1#include <iostream>
2#include <curl/curl.h>
3#include <json/json.h>
4#include "access_token.h"
5// libcurl库下载链接：https://curl.haxx.se/download.html
6// jsoncpp库下载链接：https://github.com/open-source-parsers/jsoncpp/
7// 获取access_token所需要的url
8const std::string access_token_url = "https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials";
9// 回调函数获取到的access_token存放变量
10// static std::string access_token_result;
11/**
12 * curl发送http请求调用的回调函数，回调函数中对返回的json格式的body进行了解析，解析结果储存在result中
13 * @param 参数定义见libcurl库文档
14 * @return 返回值定义见libcurl库文档
15 */
16static size_t callback(void *ptr, size_t size, size_t nmemb, void *stream) {
17    // 获取到的body存放在ptr中，先将其转换为string格式
18    std::string s((char *) ptr, size * nmemb);
19    // 开始获取json中的access token项目
20    Json::Reader reader;
21    Json::Value root;
22    // 使用boost库解析json
23    reader.parse(s,root);
24    std::string* access_token_result = static_cast<std::string*>(stream);
25    *access_token_result = root["access_token"].asString();
26    return size * nmemb;
27}
28
29/**
30 * 用以获取access_token的函数，使用时需要先在百度云控制台申请相应功能的应用，获得对应的API Key和Secret Key
31 * @param access_token 获取得到的access token，调用函数时需传入该参数
32 * @param AK 应用的API key
33 * @param SK 应用的Secret key
34 * @return 返回0代表获取access token成功，其他返回值代表获取失败
35 */
36int get_access_token(std::string &access_token, const std::string &AK, const std::string &SK) {
37    CURL *curl;
38    CURLcode result_code;
39    int error_code = 0;
40    curl = curl_easy_init();
41    if (curl) {
42        std::string url = access_token_url + "&client_id=" + AK + "&client_secret=" + SK;
43        curl_easy_setopt(curl, CURLOPT_URL, url.data());
44        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
45        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
46        std::string access_token_result;
47        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &access_token_result);
48        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, callback);
49        result_code = curl_easy_perform(curl);
50        if (result_code != CURLE_OK) {
51            fprintf(stderr, "curl_easy_perform() failed: %s\n",
52                    curl_easy_strerror(result_code));
53            return 1;
54        }
55        access_token = access_token_result;
56        curl_easy_cleanup(curl);
57        error_code = 0;
58    } else {
59        fprintf(stderr, "curl_easy_init() failed.");
60        error_code = 1;
61    }
62    return error_code;
63}

1using System;
2using System.Collections.Generic;
3using System.Net.Http;
4
5namespace com.baidu.ai
6{
7    public static class AccessToken
8
9    {
10        // 调用getAccessToken()获取的 access_token建议根据expires_in 时间 设置缓存
11        // 返回token示例
12        public static String TOKEN = "24.adda70c11b9786206253ddb70affdc46.2592000.1493524354.282335-1234567";
13
14        // 百度云中开通对应服务应用的 API Key 建议开通应用的时候多选服务
15        private static String clientId = "百度云应用的AK";
16        // 百度云中开通对应服务应用的 Secret Key
17        private static String clientSecret = "百度云应用的SK";
18
19        public static String getAccessToken() {
20            String authHost = "https://aip.baidubce.com/oauth/2.0/token";
21            HttpClient client = new HttpClient();
22            List<KeyValuePair<String, String>> paraList = new List<KeyValuePair<string, string>>();
23            paraList.Add(new KeyValuePair<string, string>("grant_type", "client_credentials"));
24            paraList.Add(new KeyValuePair<string, string>("client_id", clientId));
25            paraList.Add(new KeyValuePair<string, string>("client_secret", clientSecret));
26
27            HttpResponseMessage response = client.PostAsync(authHost, new FormUrlEncodedContent(paraList)).Result;
28            String result = response.Content.ReadAsStringAsync().Result;
29            Console.WriteLine(result);
30            return result;
31        }
32    }
33}

1var https = require('https');
2var qs = require('querystring');
3
4const param = qs.stringify({
5    'grant_type': 'client_credentials',
6    'client_id': '您的 Api Key',
7    'client_secret': '您的 Secret Key'
8});
9
10https.get(
11    {
12        hostname: 'aip.baidubce.com',
13        path: '/oauth/2.0/token?' + param,
14        agent: false
15    },
16    function (res) {
17        // 在标准输出中查看运行结果
18        res.pipe(process.stdout);
19    }
20);