百度AI智能审核案例

一:添加依赖

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 <!-- 主要用于后端发送http请求-->
        <!-- 后端发送http请求 - 一般用在调用三方接口时会用 -->
        <dependency>
            <groupId>commons-httpclient</groupId>
            <artifactId>commons-httpclient</artifactId>
            <version>3.1</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
        <!-- 一般调用三方接口响应的都是json字符串,后端可以通过fastjson将json字符串转成json对象获取响应信息 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.58</version>
        </dependency>
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二:编写HttpUtil工具类

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package cn.ybl.basic.util;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;
import java.util.Map;

/**
 * http 工具类
 */
public class HttpUtil {

    public static String post(String requestUrl, String accessToken, String params)
            throws Exception {
        String contentType = "application/x-www-form-urlencoded";
        return HttpUtil.post(requestUrl, accessToken, contentType, params);
    }

    public static String post(String requestUrl, String accessToken, String contentType, String params)
            throws Exception {
        String encoding = "UTF-8";
        if (requestUrl.contains("nlp")) {
            encoding = "GBK";
        }
        return HttpUtil.post(requestUrl, accessToken, contentType, params, encoding);
    }

    public static String post(String requestUrl, String accessToken, String contentType, String params, String encoding)
            throws Exception {
        String url = requestUrl + "?access_token=" + accessToken;
        return HttpUtil.postGeneralUrl(url, contentType, params, encoding);
    }

    public static String postGeneralUrl(String generalUrl, String contentType, String params, String encoding)
            throws Exception {
        URL url = new URL(generalUrl);
        // 打开和URL之间的连接
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        // 设置通用的请求属性
        connection.setRequestProperty("Content-Type", contentType);
        connection.setRequestProperty("Connection", "Keep-Alive");
        connection.setUseCaches(false);
        connection.setDoOutput(true);
        connection.setDoInput(true);

        // 得到请求的输出流对象
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(params.getBytes(encoding));
        out.flush();
        out.close();

        // 建立实际的连接
        connection.connect();
        // 获取所有响应头字段
        Map<String, List<String>> headers = connection.getHeaderFields();
        // 遍历所有的响应头字段
        for (String key : headers.keySet()) {
            System.err.println(key + "--->" + headers.get(key));
        }
        // 定义 BufferedReader输入流来读取URL的响应
        BufferedReader in = null;
        in = new BufferedReader(
                new InputStreamReader(connection.getInputStream(), encoding));
        String result = "";
        String getLine;
        while ((getLine = in.readLine()) != null) {
            result += getLine;
        }
        in.close();
        System.err.println("result:" + result);
        return result;
    }
    
    /**
     * 发送get请求
     * @param url 请求地址
     * @return 返回内容 json
     */
    public static String httpGet(String url){

        // 1 创建发起请求客户端
        try {
            HttpClient client = new HttpClient();
            // 2 创建要发起请求-tet
            GetMethod getMethod = new GetMethod(url);
//            getMethod.addRequestHeader("Content-Type",
//                    "application/x-www-form-urlencoded;charset=UTF-8");
            getMethod.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET,"utf8");
            // 3 通过客户端传入请求就可以发起请求,获取响应对象
            client.executeMethod(getMethod);
            // 4 提取响应json字符串返回
            String result = new String(getMethod.getResponseBodyAsString().getBytes("utf8"));
            return result;
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }
}
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三:编写百度审核工具类

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package cn.ybl.basic.util;

import com.alibaba.fastjson.JSONObject;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.List;
import java.util.Map;

/**
 * 百度认证工具类:注意要修改API Key 和 Secret Key
 */
public class BaiduAuditUtils {
    /**
     * 获取权限token
     * @return 返回示例:
     * {
     * "access_token": "24.3265383f84ac64db9eff781e70587614.2592000.1654844607.282335-26205415",
     * "expires_in": 2592000
     * }
     */
    public static String getAuth() {
        // 官网获取的 API Key 更新为你注册的
        String clientId = "PlMn6pF8xCoAa5hLDN6dkA6z";
        // 官网获取的 Secret Key 更新为你注册的
        String clientSecret = "60SmA36HOpCqIXrCyoGfjERfaY6V69gV";
        return getAuth(clientId, clientSecret);
    }

    /**
     * 获取API访问token
     * 该token有一定的有效期,需要自行管理,当失效时需重新获取.
     * @param ak - 百度云官网获取的 API Key
     * @param sk - 百度云官网获取的 Securet Key
     * @return assess_token 示例:
     * "24.460da4889caad24cccdb1fea17221975.2592000.1491995545.282335-1234567"
     */
    public static String getAuth(String ak, String sk) {
        // 获取token地址
        String authHost = "https://aip.baidubce.com/oauth/2.0/token?";
        String getAccessTokenUrl = authHost
                // 1. grant_type为固定参数
                + "grant_type=client_credentials"
                // 2. 官网获取的 API Key
                + "&client_id=" + ak
                // 3. 官网获取的 Secret Key
                + "&client_secret=" + sk;
        try {
            URL realUrl = new URL(getAccessTokenUrl);
            // 打开和URL之间的连接
            HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
            connection.setRequestMethod("GET");
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.err.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String result = "";
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
            /**
             * 返回结果示例
             */
            System.err.println("result:" + result);
            JSONObject jsonObject= JSONObject.parseObject(result);
            String access_token = jsonObject.getString("access_token");
            return access_token;
        } catch (Exception e) {
            System.err.printf("获取token失败!");
            e.printStackTrace(System.err);
        }
        return null;
    }

    /**
     * @param param
     * @return 合规返回true,不合规返回false
     */
    public static Boolean TextCensor(String param) {
        // 请求url
        String url = "https://aip.baidubce.com/rest/2.0/solution/v1/text_censor/v2/user_defined";
        try {
            // 注意这里仅为了简化编码每一次请求都去获取access_token,线上环境access_token有过期时间, 客户端可自行缓存,过期后重新获取。
            String accessToken = getAuth();
            //处理参数格式
            param = "text=" + param;
            
            String result = HttpUtil.post(url, accessToken, param);
            JSONObject jsonObject= JSONObject.parseObject(result);
            String conclusion = jsonObject.getString("conclusion");
            if ("合规".equals(conclusion)){
                return true;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }
    /**
     * @param imageUrl 需要审核的图片路径地址
     * @return
     */
    public static Boolean ImgCensor(String imageUrl) {
        // 请求url
        String url = "https://aip.baidubce.com/rest/2.0/solution/v1/img_censor/v2/user_defined";
        try {
            //图片地址进行编码
            String imgParam = URLEncoder.encode(imageUrl, "UTF-8");
            //设置参数
            String param = "imgUrl=" + imgParam;
            // 注意这里仅为了简化编码每一次请求都去获取access_token,线上环境access_token有过期时间, 客户端可自行缓存,过期后重新获取。
            String accessToken = getAuth();

            String result = HttpUtil.post(url, accessToken, param);
            JSONObject jsonObject= JSONObject.parseObject(result);
            String conclusion = jsonObject.getString("conclusion");
            if ("合规".equals(conclusion)){
                return true;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    //测试
    public static void main(String[] args) {
        System.out.println(BaiduAuditUtils.getAuth());
        System.out.println(BaiduAuditUtils.TextCensor("操"));//false
        System.out.println(BaiduAuditUtils.TextCensor("cnm"));//false
        System.out.println(BaiduAuditUtils.TextCensor("sb"));//false
        System.out.println(BaiduAuditUtils.TextCensor("牛逼"));//true
        System.out.println(BaiduAuditUtils.TextCensor("日寇"));//true
        System.out.println(BaiduAuditUtils.TextCensor("公司"));//true
    }
}
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四:业务调用

//通过百度AI审核名称是否符合要求
        Boolean aBoolean = BaiduAuditUtils.TextCensor(shop.getName());
        if(!aBoolean){  //审核不通过,名称含敏感词
            throw new BusinessException("名称含敏感词");
        }

 

posted @   yyybl  阅读(63)  评论(0编辑  收藏  举报
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