修改

src/main/java/com/yxt/ss/gateway/api/ClientService.java

@@ -1,5 +1,7 @@
 package com.yxt.ss.gateway.api;
 
+import com.yxt.ss.gateway.api.utils.AppKeyConfig;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import java.io.UnsupportedEncodingException;
@@ -16,19 +18,26 @@ import java.util.Map;
 @Service
 public class ClientService {
 
+    @Autowired
+    private AppKeyConfig appKeyConfig;
+
+    public String getSecret(String appKey) {
+        return appKeyConfig.getKeys().get(appKey);
+    }
+
     /**
      * 生成请求签名
      *
      * @param parameters 请求参数
-     * @param secret     密钥
      * @return 签名
      */
-    public String generateSignature(Map<String, String> parameters, String secret) throws UnsupportedEncodingException, NoSuchAlgorithmException {
+    public String generateSignature(Map<String, String> parameters) throws UnsupportedEncodingException, NoSuchAlgorithmException {
 
         // 2. 拼接参数字符串
         String content = joinParameters(parameters);
 
         // 3. 将密钥加在参数字符串的前后
+        String secret = getSecret(parameters.get("_app"));
         content = secret + content + secret;
 
         // 4. 计算签名 (MD5)

src/main/java/com/yxt/ss/gateway/api/rest/ClientRest.java

@@ -5,7 +5,6 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.yxt.ss.gateway.api.ClientService;
 import com.yxt.ss.gateway.api.utils.ResultBean;
 import com.yxt.ss.gateway.api.utils.SignatureQuery;
-import com.yxt.ss.gateway.api.utils.SignatureUtil;
 import okhttp3.*;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -34,8 +33,6 @@ public class ClientRest {
 
     //appkey
     static final String APPKEY = "appKey4";
-    //secret
-    static final String SECRET = "secret";
 
     //开发端，生成签名并调用服务器端验证签名、appKey等值。
     @PostMapping("/getSign")
@@ -49,7 +46,7 @@ public class ClientRest {
             tree.put("_t", String.valueOf(System.currentTimeMillis() / 1000));
             tree.put("_s", "");
             // 生成签名
-            String sign = clientService.generateSignature(tree, SECRET);
+            String sign = clientService.generateSignature(tree);
             //添加签名值map
             tree.put("_sign", sign);
             //发起请求

src/main/java/com/yxt/ss/gateway/api/rest/Signature.java

@@ -30,12 +30,6 @@ public class Signature {
         return appKeyConfig.getKeys().get(appKey);
     }
 
-
-    //appkey
-    static final String APPKEY = "appKey4";
-    //secret
-    static final String SECRET = "secret";
-
     //验证
     @PostMapping("/validate")
     ResultBean validate(Map<String, String> data) {