feature: 垃圾检测

server/src/main/java/com/pica/cloud/online/exam/analysis/server/service/AntiSpamService.java

+package com.pica.cloud.online.exam.analysis.server.service;
+
+import com.pica.cloud.foundation.entity.PicaResponse;
+
+/**
+ * @author wuminghao
+ * @date 2018/8/27 14:38
+ */
+public interface AntiSpamService {
+    PicaResponse processString(String content);
+}

server/src/main/java/com/pica/cloud/online/exam/analysis/server/service/impl/AntiSpamServiceImpl.java

+package com.pica.cloud.online.exam.analysis.server.service.impl;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.pica.cloud.foundation.entity.PicaResponse;
+import com.pica.cloud.foundation.entity.PicaResultCode;
+import com.pica.cloud.online.exam.analysis.common.util.ReturnUtil;
+import com.pica.cloud.online.exam.analysis.server.configuration.PropertiesConfiguration;
+import com.pica.cloud.online.exam.analysis.server.service.AntiSpamService;
+import com.pica.cloud.online.exam.analysis.server.utils.HttpClient4Utils;
+import com.pica.cloud.online.exam.analysis.server.utils.SignatureUtils;
+import org.apache.http.Consts;
+import org.apache.http.client.HttpClient;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.io.UnsupportedEncodingException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Random;
+
+/**
+ * @author wuminghao
+ * @date 2018/8/27 14:38
+ */
+@Service
+public class AntiSpamServiceImpl implements AntiSpamService {
+    @Autowired
+    private PropertiesConfiguration properties;
+
+    private static HttpClient httpClient = HttpClient4Utils.createHttpClient(100, 20, 2000, 2000, 2000);
+
+    @Override
+    public PicaResponse processString(String content) {
+        Map<String, String> params = new HashMap<String, String>();
+
+        /**
+         * 1. 设置公共参数
+         */
+        params.put("secretId", properties.getNeteaseAntispamSecretId());
+        params.put("businessId", properties.getNeteaseAntispamTextBusinessId());
+        params.put("version", "v3.1");
+        params.put("timestamp", String.valueOf(System.currentTimeMillis()));
+        params.put("nonce", String.valueOf(new Random().nextInt()));
+
+        /**
+         * 2. 设置私有参数
+         */
+        params.put("content", content);
+
+        /**
+         * 3. 生成签名信息
+         */
+        try {
+            String signature = SignatureUtils.genSignature(properties.getNeteaseAntispamSecretKey(), params);
+            params.put("signature", signature);
+        } catch (UnsupportedEncodingException e) {
+            e.printStackTrace();
+        }
+
+        /**
+         * 4. 发送HTTP请求
+         */
+        String response = HttpClient4Utils.sendPost(httpClient, properties.getNeteaseAntispamTextApiUrl(), params, Consts.UTF_8);
+
+        /**
+         * 5. 解析返回值
+         */
+        JsonObject jObject = new JsonParser().parse(response).getAsJsonObject();
+        int code = jObject.get("code").getAsInt();
+        String msg = jObject.get("msg").getAsString();
+        if (code == 200) {
+
+        } else {
+            return ReturnUtil.getPicaResponse(PicaResultCode.DATA_IS_WRONG);
+        }
+
+        return ReturnUtil.getPicaResponse(PicaResultCode.DATA_IS_WRONG);
+    }
+}