Form data processing
1. Read: Request.getParameter () Reads a single charactervalu, getParameterValues () reads multiple values of a single character. getParameterNames () Read all variables above the form. getParameterMap Returns a MAP to store the GetReader read the original form GetInputStream user upload (in jakarta.apache.org/commons/fileupLoad) multi-character set input: setcharacterencoding: 1.String T1 = Request.getParameter ("t1"); string T2 = new string (t1.getbytes (), "shift_jis"); 2.Request.setCharacterencoding ("jisautodetect"); string t2 = request.getParameter ("t1") ;
