摘要：
You use the Response to send data back to the clientThe most common methods you'll call on the response object(HttpServletResponse) are setContentType() and getWriter()Be careful-many developers assume the method is getPrintWriter(),but it's getWriter()The getWriter() method lets you do char 阅读全文
You use the Response to send data back to the clientThe most common methods you'll call on the response object(HttpServletResponse) are setContentType() and getWriter()Be careful-many developers assume the method is getPrintWriter(),but it's getWriter()The getWriter() method lets you do char 阅读全文