add api error response

system/lib/core/handler.js

@@ -26,10 +26,17 @@ var Handler = {
     },
     apiResponse:function(res,data){
         if(!res) return;
-        data = data?{success:1,data:data}:{success:0};
+        data = data?{success:1,result:data}:{success:1};
         res.writeHead(200, {'Content-Type': 'text/json'});
         res.write(JSON.stringify(data));
         res.end();
+    },
+    apiErrorResponse:function(res,msg){
+        if(!res) return;
+        msg = msg?{success:0,msg:msg}:{success:0};
+        res.writeHead(200, {'Content-Type': 'text/json'});
+        res.write(JSON.stringify(msg));
+        res.end();
     }
 }