Java-socket communication (two-way, with interface)

 

Server:

 

Import Java. AWT. borderlayout; import Java. AWT. dimension; import Java. AWT. toolkit; import Java. AWT. event. actionevent; import Java. AWT. event. actionlistener; import Java. io. bufferedreader; import Java. io. ioexception; import Java. io. inputstreamreader; import Java. io. printwriter; import java.net. serversocket; import java.net. socket; import javax. swing. jbutton; import javax. swing. jframe; import javax. swing. jpanel; import javax. swing. jscrollpane; import javax. swing. jsplitpane; import javax. swing. jtextarea; public class chatframeserver {private printwriter PW; private jframe frame; private jpanel pane_buttom; private jsplitpane pane_center; // text box for displaying content and text box for inputting content, send content buttons: Private jscrollpane pane_showwindow; private jscrollpane pane_inputwindow; private jtextarea area_showwindow; private jtextarea area_inputwindow; private jbutton btn_send; private dimension; // used to set the drag size of area_showwindow // initialize public chatframeserver () {frame = new jframe (); pane_buttom = new jpanel (); pane_showwindow = new jscrollpane (); pane_inputwindow = new jscrollpane (); area_showwindow = new jtextarea (); area_inputwindow = new jtextarea (); pane_center = new jsplitpane (jsplitpane. vertical_split, false, pane_showwindow, pane_inputwindow); btn_send = new jbutton ("send"); dimension = new dimension (50,300);} // call method display window public void showframe () {initframe (); initchattextarea (); initbutton (); btn_send (); socket () ;}// main form public void initframe () {frame. settitle ("server"); int width = (INT) toolkit. getdefatooltoolkit (). getscreensize (). getwidth (); int Height = (INT) toolkit. getdefatooltoolkit (). getscreensize (). getheight (); frame. setbounds (width/2, height/2,400,450); frame. setvisible (true);} // The content display text box and the input content text box private void initchattextarea () {// obtain the view focus pane_show1_getviewport (). add (area_showwindow); pane_input?#getviewport (). add (area_inputwindow); // set the display text field to uneditable area_show00000000seteditable (false); // set the size of the display text field to be dragged pane_show00000000setminimumsize (dimension); frame. add (pane_center, borderlayout. center);} // send the file. The send content button is public void initbutton () {pane_buttom.add (btn_send); frame. add (pane_buttom, borderlayout. south);} private void btn_send () {listener (New actionlistener () {@ overridepublic void actionreceivmed (actionevent e) {string info = area_input0000gettext (); area_show00000000append ("server: "+ info +" \ r \ n "); PW. println (Info); area_input00000000settext ("") ;}}) ;}private void socket () {serversocket SS; try {Ss = new serversocket (9988 ); // wait for the client to connect socket S = ss. accept (); inputstreamreader ISR = new inputstreamreader (S. getinputstream (); bufferedreader BR = new bufferedreader (ISR); // The printwriter must be closely related to the socket PW = new printwriter (S. getoutputstream (), true); // read the information sent from the client method while (true) {// read the information sent from the client string info = BR. readline (); // display area_show00000000append ("client:" + info + "\ r \ n") ;}} catch (ioexception e) {e. printstacktrace () ;}} public static void main (string [] ARGs) {chatframeserver chat = new chatframeserver (); chat. showframe ();}}

 

Client:

 

Import Java. AWT. borderlayout; import Java. AWT. dimension; import Java. AWT. toolkit; import Java. AWT. event. actionevent; import Java. AWT. event. actionlistener; import Java. io. bufferedreader; import Java. io. ioexception; import Java. io. inputstreamreader; import Java. io. printwriter; import java.net. socket; import java.net. unknownhostexception; import javax. swing. jbutton; import javax. swing. jframe; import javax. swing. jpanel; import javax. swing. jscrollpane; import javax. swing. jsplitpane; import javax. swing. jtextarea; public class chatframe {private printwriter PW; private jframe frame; private jpanel pane_buttom; private jsplitpane pane_center; // text box for displaying content, text box for inputting content, send content buttons: Private jscrollpane pane_showwindow; private jscrollpane pane_inputwindow; private jtextarea area_showwindow; private jtextarea area_inputwindow; private jbutton btn_send; private dimension; // used to set the size of area_showwindow to be dragged // initialize public chatframe () {frame = new jframe (); pane_buttom = new jpanel (); pane_showwindow = new jscrollpane (); pane_inputwindow = new jscrollpane (); area_showwindow = new jtextarea (); area_inputwindow = new jtextarea (); pane_center = new jsplitpane (jsplitpane. vertical_split, false, pane_showwindow, pane_inputwindow); btn_send = new jbutton ("send"); dimension = new dimension (50,300);} // call method display window public void showframe () {initframe (); initchattextarea (); initbutton (); btn_send (); socket () ;}// main form public void initframe () {frame. settitle ("client"); int width = (INT) toolkit. getdefatooltoolkit (). getscreensize (). getwidth (); int Height = (INT) toolkit. getdefatooltoolkit (). getscreensize (). getheight (); frame. setbounds (width/2, height/2,400,450); frame. setvisible (true);} // The content display text box and the input content text box private void initchattextarea () {// obtain the view focus pane_show1_getviewport (). add (area_showwindow); pane_input?#getviewport (). add (area_inputwindow); // set the display text field to uneditable area_show00000000seteditable (false); // set the size of the display text field to be dragged pane_show00000000setminimumsize (dimension); frame. add (pane_center, borderlayout. center);} // send the file. The send content button is public void initbutton () {pane_buttom.add (btn_send); frame. add (pane_buttom, borderlayout. south);} private void btn_send () {listener (New actionlistener () {@ overridepublic void actionreceivmed (actionevent e) {string info = area_input0000gettext (); area_show00000000append ("client: "+ info +" \ r \ n "); PW. println (Info); area_input00000000settext ("") ;}});} private void socket () {try {socket S = new socket ("127.0.0.1", 9988 ); inputstreamreader ISR = new inputstreamreader (S. getinputstream (); bufferedreader BR = new bufferedreader (ISR); PW = new printwriter (S. getoutputstream (), true); While (true) {// continuously reads information sent from the Server String info = BR. readline (); area_show00000000append ("server:" + info + "\ r \ n") ;}} catch (unknownhostexception e) {e. printstacktrace ();} catch (ioexception e) {e. printstacktrace () ;}} public static void main (string [] ARGs) {chatframe chat = new chatframe (); chat. showframe ();}}