JSP learning-JSP built-in objects

Request;

Abstruct string getattribute (string name) {}// return the attribute value of the specified name

Abstract void setattribute (string name, object) {}// Replace the value

Abstract enumeration getattributenames () {}// obtain the names of all attributes

Abstract string getcharacterencoding (){}//

Abstract int getcontentlength (){}//

Abstract string getcontenttype (){}//

Abstract string getparameter (string name) {}// gets the value of the given parameter name

Abstract emumeration getparameternames () {}// obtain the parameter names of all current requests

Public abstract string [] getparametervalues (string name) {}// retrieve all values of the specified parameter name

Public abstract cookie [] getcookies () {}// obtain all the cookies that can be found in the current request

Abstract httpsession getsession () {}// gets the session bound to the current request, and creates

Abstract string getquerystring () {}// obtain the URL request string

Chinese garbled characters: String STR = request. getparameter ("chineseword"); byte B [] = Str. getbytes ("ISO-8859-1"); STR = new string (B );

Response;

Abstract string getcharacterencoding (){}

Abstract void addcookie (cookie ){}

Abstract string encodingredirect (string URL ){}

Abstract string encodingurl ()[}

Abstract void senderror (INT code, string message ){}

Abstract void sendredirect (string URL) {}// redirect

Out;

Print ();

Println ();

Newline ();

Flush ();

Close ();

Clearbuffer ();

Clear ();

Getbuffersize ();

Isautoflush ();

Getremaining ();

Session

Void setattribute (string name, object Value ){}

Object getattribute (string name ){}

String GETID (){}

Application;

Config;

Pagecontext.

Page.

Exception;

Cookie;