/**人脸识别处理中方法
* @param
* @throws Exception
*/
@RequestMapping(value="/faceRecognition")
@ResponseBody
public Object faceRecognition() throws Exception{
Map<String,Object> map = new HashMap<String,Object>();
String errInfo = "error";
PageData pd = new PageData();
pd = this.getPageData();
String imgData = pd.getString("PHOTODATA").replace("data:image/jpeg;base64,", "").replace("data:image/png;base64,", "");
String times = pd.getString("times");
String USERNAME = pd.getString("USERNAME");
pd.put("USERNAME", Tools.notEmpty(USERNAME)?USERNAME:Jurisdiction.getUsername());
PageData upd = new PageData();
upd = photoService.findFace(pd);
if("1".equals(times)) { //第一次存，第二次根据两个base64进行头像识别
pd.put("PHOTO", imgData); //把base64编码存到PHOTO0字段里面
pd.put("STATE", "yes");
if(null == upd) {
photoService.addFace(pd);
}else {
photoService.editFace(pd);
}
errInfo = "success";
}else {
PageData tpd = new PageData();
tpd.put("USERNAME", "FaceAccessToken"); //用户名为 FaceAccessToken 的在用户头像表SYS_USERPHOTO里，PHOTO2 存的是更新Token的时间，PHOTO3存的是Token的值，此数据所有用户共享
tpd = photoService.findById(tpd);
String accessToken = tpd.getString("PHOTO3");
if(DateUtil.getDaySub(tpd.getString("PHOTO2"),DateUtil.getDay()) > 29) { //access_token有过期时间为30天，过期后重新获取。
accessToken = AuthService.getAuth();
tpd.put("PHOTO2", DateUtil.getDay());
tpd.put("PHOTO3", accessToken);
photoService.edit(tpd);
}
if(FaceMatch.getScore(upd.getString("PHOTO"),imgData,accessToken)) {
errInfo = "success";
upd.put("STATE", "yes");
photoService.editFaceState(upd);//更新识别状态
}
}
map.put("result", errInfo);
return map;
}
package org.fh.util;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.List;
import java.util.Map;
/**
* 说明：获取百度人脸识别token类
* 作者：FH Admin
* from：fhadmin.cn
*/
public class AuthService {
/**
* 获取权限token
* @return 返回示例：
* {
* "access_token": "24.460da4889caad24c1ccxxdb1fea17221975.2592000.1491995545.282335-1234567",
* "expires_in": 2592000
* }
*/
public static String getAuth() {
// 官网获取的 API Key 更新为你注册的
String clientId = "GgNx1THTR6kScxx2cQe36jRT2a";
// 官网获取的 Secret Key 更新为你注册的
String clientSecret = "I0L1rNSWwIsu6zx3cxczz1hnBGDbCgrjkCvaV";
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：
* "24.460da4889caad24cc23231fea17221975.259110.14e91995545.282335-1234567"
*/
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
*/
JSONObject jsonObject = new JSONObject(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;
}
}
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