properties：添加百度人工智能车牌识别ID，KEY。pom：导入阿里巴巴json库。添加百度AI识别业务

pom.xml

@@ -106,7 +106,11 @@
                 </exclusion>
             </exclusions>
         </dependency>
-
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>fastjson</artifactId>
+            <version>1.2.73</version>
+        </dependency>
         <!-- Excel相关 -->
         <dependency>
             <groupId>org.apache.poi</groupId>

src/main/java/com/smart/module/car/util/BaiDuProperties.java

@@ -0,0 +1,17 @@
+package com.smart.module.car.util;
+
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+/**
+ * 百度智能AI
+ */
+@Data
+@ConfigurationProperties(prefix = "bai-du")
+public class BaiDuProperties {
+
+    private String appId;
+    private String apiKey;
+    private String accessKeySecret;
+
+}

src/main/java/com/smart/module/car/util/BaiDuUtils.java

@@ -0,0 +1,79 @@
+package com.smart.module.car.util;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.baidu.aip.ocr.AipOcr;
+import com.smart.common.util.SslUtils;
+import org.json.JSONObject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.PostConstruct;
+import java.util.HashMap;
+
+/**
+ * 百度智能AI工具类
+ */
+@Component
+@Configuration
+@EnableConfigurationProperties({BaiDuProperties.class})
+public class BaiDuUtils {
+
+    private final static Logger LOGGER = LoggerFactory.getLogger(BaiDuUtils.class);
+
+    private BaiDuProperties baiDu;
+
+    public BaiDuUtils(BaiDuProperties baiDu) {
+        this.baiDu = baiDu;
+    }
+
+    private AipOcr client;
+
+    @PostConstruct
+    public void init() {
+        try {
+            // 使用配置文件中的AppID、API Key和Access Key Secret创建AipOcr客户端
+            client = new AipOcr(baiDu.getAppId(), baiDu.getApiKey(), baiDu.getAccessKeySecret());
+            // 设置连接超时时间为2秒
+            client.setConnectionTimeoutInMillis(2000);
+            // 设置Socket超时时间为60秒
+            client.setSocketTimeoutInMillis(60000);
+        } catch (Exception e) {
+            LOGGER.error("百度智能AI初始化失败,{}", e.getMessage());
+        }
+    }
+
+    /**
+     * 车牌识别方法
+     * 参数为本地图片路径
+     */
+    public String plateLicense(String image) {
+        try {
+            HashMap<String, String> options = new HashMap<>();
+            /**
+             * 是否检测多张车牌，默认为false
+             * 当置为true的时候可以对一张图片内的多张车牌进行识别
+             */
+            options.put("multi_detect", "true");
+            // 忽略SSL证书验证
+            SslUtils.ignoreSsl();
+            // 调用百度智能AI的车牌识别接口，获取识别结果
+            JSONObject res = client.plateLicense(image, options);
+            System.out.println(res.toString());
+            // 从识别结果中解析出车牌号码
+            Object result = res.get("words_result");
+            JSONArray array = JSON.parseArray(result.toString());
+            com.alibaba.fastjson.JSONObject object = JSON.parseObject(array.get(0).toString());
+            Object number = object.get("number");
+            return number.toString();
+        }catch (Exception e){
+            e.printStackTrace();
+            return "";
+        }
+    }
+
+
+}

src/main/resources/application-dev.properties

@@ -76,3 +76,7 @@ spring.mqtt.url = tcp://10.136.7.105:1883
 spring.mqtt.client.id = HDC-188
 spring.mqtt.default.topic = topic
 spring.mqtt.default.completionTimeout = 3000
+
+bai-du.appId = 37831547
+bai-du.apiKey = znwWRqlIGRC8wbD3VhhQtojo
+bai-du.accessKeySecret = zseU22B9XbhESFXm5UYGEtEGGLVokGfW