Test

src/test/java/common/JsonTest.java

@@ -2,6 +2,8 @@ package common;
 
 import java.sql.Timestamp;
 
+import org.apache.commons.codec.binary.Base64;
+
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.serializer.SerializerFeature;
@@ -77,4 +79,10 @@ public class JsonTest {
     }
   }
 
+  @Test
+  public void test() throws Exception{
+    String extData = "eyJyZWRpcmVjdCI6ImxvY2FsIiwicmVnaXN0ZXJGcm9tIjoyMjJ9";
+    System.out.println(new String(Base64.decodeBase64(extData), "UTF-8"));
+  }
+
 }