修改网联签名验签接口，添加银联签名验签接口

src/test/java/com/sunyard/sydapi/test/TestAllMethods.java

@@ -1254,6 +1254,19 @@ public class TestAllMethods {
         System.out.println(b);
     }
 
+    // 测试通过
+    // 6D
+    @Test
+    public void testNetVerify2() {
+        String sn = "1004282451";
+        String userId = "1234567812345678";
+        String data = "111";
+        String s = api.netSign(sn, userId, data.getBytes());
+
+        boolean b = api.netVerify(sn, userId, data.getBytes(), s);
+        System.out.println(b);
+    }
+
     // 测试通过
     // 6E
     @Test