百度云网址：

https://cloud.baidu.com

身份验证的技术文档：

技术代码：

导入依赖：

        <dependency>
            <groupId>com.squareup.okhttp3</groupId>
            <artifactId>okhttp</artifactId>
            <version>3.12.13</version>
            <scope>compile</scope>
        </dependency>
		<dependency>
			<groupId>com.squareup.okhttp3</groupId>
			<artifactId>okhttp</artifactId>
			<version>3.12.13</version>
			<scope>compile</scope>
		</dependency>
    // JSONObject的依赖
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.70</version>
        </dependency>
// io流的依赖
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.4</version>
        </dependency>
//hutool
<dependency>
    <groupId>cn.hutool</groupId>
    <artifactId>hutool-all</artifactId>
    <version>5.8.16</version>
</dependency>

控制层：

    /***
     * 身份证验证上传图片接口
     */
    @PostMapping ("identityToken/{param}")
    public Result identityToken(@PathVariable("param")Integer param , MultipartFile file, HttpServletRequest request) throws IOException {
        System.out.println("图片=="+file);
        CereBuyerUser user = (CereBuyerUser) request.getAttribute("user");
        return agentUserService.identityToken(user,file,param);
    }

处理的事物层

    Result identityToken(CereBuyerUser user, MultipartFile file,Integer param) throws IOException;

package com.example.demo.service.Impl;

import cn.hutool.json.JSONUtil;
import com.alibaba.fastjson.JSONObject;
import com.example.demo.service.AgentUserService;
import com.example.demo.util.Base64Util;
import com.example.demo.util.FileUtil;
import com.example.demo.util.HttpUtils;
import okhttp3.*;
import org.apache.commons.io.FilenameUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import static com.example.demo.util.IdentityCardUtil.*;

@Service
public class AgentUserServiceImpl implements AgentUserService {
    static final OkHttpClient HTTP_CLIENT = new OkHttpClient().newBuilder().build();

    @Value("${identity.url}")
    private String identityUrl;
    @Value("${identity.apiKey}")
    private String apiKey;
    @Value("${identity.secrtetKey}")
    private String secrtetKey;
    /**
     * 身份验证
     * @param
     * @return
     */
    @Override
    public String identityToken(MultipartFile file, String param) throws IOException {
        //获得身份验证token
        MediaType mediaType = MediaType.parse("application/json");
        RequestBody body = RequestBody