如何将多部分表单数据从jsp发送到Web服务？

I'm trying to create a Signup page for my website. When the user submits the data to signup.jsp, I want to send this data to my web service using "application/x-www-form-urlencoded". How can I do this in JSP. Tried following code but this sends data in the form of raw data. I'm trying to create a Signup page for my websi