Hello Knight, I think you can change the Value-Object(Model obj), modify the get method code: if(this.value.equal("")){ this.value=null; or this.value=0 }
You can pass a Value-Object to server side, instead of Json-Text formation. Regards, Mead On Mon, Nov 22, 2010 at 8:12 PM, Knight Chen <dolt131...@gmail.com> wrote: > Hi all, > > I often encounter Number format exception when I use JSON plugin to > parse input String "" from AJAX request to Number, > because in Web front, that will be a zero length String "" transfer > to backend if the text input has no enter, > so will encounter the Number format exception for input String "". > > I check the JSONPopulator, that has process the null value to 0 when > parse to Number type, but not process the String "", > So can JSONPopulator to support process String "" to null or 0,that > will be easier web front develop. > > > -- > ======================== > Knight Chen > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@struts.apache.org > For additional commands, e-mail: user-h...@struts.apache.org > >