response增加toString方法

common-core/src/main/java/com/secoo/mall/common/core/bean/Response.java

@@ -39,4 +39,13 @@ public class Response<T> implements Serializable {
     public void setData(T data) {
         this.data = data;
     }
+
+    @Override
+    public String toString() {
+        return "Response{" +
+                "code=" + code +
+                ", msg='" + msg +
+                ", data=" + data +
+                '}';
+    }
 }