A simple registration reflection (written in the servlet)

1      Public voidDoPost (httpservletrequest request, httpservletresponse response)2     throwsservletexception, IOException {3 4         Try{5Request.setcharacterencoding ("Utf-8");6Response.setcharacterencoding ("Utf-8");7Response.setcontenttype ("text/html");8PrintWriter out =Response.getwriter ();9             TenString nstr = request.getparameter ("name"); OneString pstr = Request.getparameter ("pwd"); A              -             /********* start reflection mechanism ***********************************************************************************/ -             //1. Create a class from a package theclass<?> C = class.forname ("entity. User ");  -             //2. Creating objects based on classes -User obj =(User) c.newinstance (); -             //3. Find all the methods of the object +Method[] Methods =Obj.getclass (). Getdeclaredmethods (); -              +             //4. Create StringBuffer object to encapsulate object properties into Jeson format AStringBuffer SB =NewStringBuffer ();  atSb.append ("{"); -              for(Method method:methods) { -                 if(Method.getname (). StartsWith ("Get")) { -Object o =Method.invoke (obj); -Sb.append ("\" "+method.getname (). ReplaceAll (" Get "," ") +" \ ""); -Sb.append (":"); inSb.append ("\" "+o+" \ ""); -Sb.append (","); to                 } +  -             } theSb.deletecharat (Sb.length ()-1); *Sb.append ("}"); $             Panax Notoginseng             //5. Judgment method, operation for attribute assignment -              for(Method method:methods) { the                 if(Method.getname (). Equals ("SetName")) { + method.invoke (obj, nstr); A                 } the                 if(Method.getname (). Equals ("SetPwd")) { + method.invoke (obj, pstr); -                 } $             } $             /******************* above the reflection part to this end *********** is normal business interaction **************************************/ -             //6. Business with service tier -Iuserservice Service =NewUserserviceimpl (); the             intresult =Service.returnregisterresult (obj); -             if(Result ==1 ){WuyiRequest.getrequestdispatcher ("page/loginsuccess.jsp"). Forward (request, response); the}Else { -Out.println ("<script>"); WuOut.println ("alert (' Username or password is wrong! ‘);"); -Out.println ("location=" + request.getcontextpath () + "/page/register.jsp" "); AboutOut.println ("</script>"); $             } -}Catch(Exception e) { - e.printstacktrace (); -     } A}

A simple registration reflection (written in the servlet)