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如何将下面这个客户端程序在JBuilderX中运行???

所属目录：Java | 类型：技术问答 | 时间：2007-05-21

问题：

import java.awt.*;
import java.awt.event.*;
import java.util.*;

public class webclient extends closeableframe
implements runnable, interruptible, actionlistener {
public static void main(string[] args) {
new webclient("web client");
}

private labeledtextfield hostfield, portfield,
requestlinefield;
private textarea requestheadersarea, resultarea;
private string host, requestline;
private int port;
private string[] requestheaders = new string[30];
private button submitbutton, interruptbutton;
private boolean isinterrupted = false;

public webclient(string title) {
super(title);
setbackground(color.lightgray);
setlayout(new borderlayout(5, 30));
int fontsize = 14;
font labelfont =
new font("serif", font.bold, fontsize);
font headingfont =
new font("sansserif", font.bold, fontsize+4);
font textfont =
new font("monospaced", font.bold, fontsize-2);
panel inputpanel = new panel();
inputpanel.setlayout(new borderlayout());
panel labelpanel = new panel();
labelpanel.setlayout(new gridlayout(4,1));
hostfield = new labeledtextfield("host:", labelfont,"127.0.0.1",
30, textfont);
portfield = new labeledtextfield("port:", labelfont,
"8080", 5, textfont);
// use http 1.0 for compatibility with the most servers.
// if you switch this to 1.1, you *must* supply a
// host: request header.
requestlinefield =
new labeledtextfield("request line:", labelfont,
"get / http/1.0", 50, textfont);
labelpanel.add(hostfield);
labelpanel.add(portfield);
labelpanel.add(requestlinefield);
label requestheaderslabel =
new label("request headers:");
requestheaderslabel.setfont(labelfont);
labelpanel.add(requestheaderslabel);
inputpanel.add(labelpanel, borderlayout.north);
requestheadersarea = new textarea(5, 80);
requestheadersarea.setfont(textfont);
inputpanel.add(requestheadersarea, borderlayout.center);
panel buttonpanel = new panel();
submitbutton = new button("submit request");
submitbutton.addactionlistener(this);
submitbutton.setfont(labelfont);
buttonpanel.add(submitbutton);
inputpanel.add(buttonpanel, borderlayout.south);
add(inputpanel, borderlayout.north);
panel resultpanel = new panel();
resultpanel.setlayout(new borderlayout());
label resultlabel =
new label("results", label.center);
resultlabel.setfont(headingfont);
resultpanel.add(resultlabel, borderlayout.north);
resultarea = new textarea();
resultarea.setfont(textfont);
resultpanel.add(resultarea, borderlayout.center);
panel interruptpanel = new panel();
interruptbutton = new button("interrupt download");
interruptbutton.addactionlistener(this);
interruptbutton.setfont(labelfont);
interruptpanel.add(interruptbutton);
resultpanel.add(interruptpanel, borderlayout.south);
add(resultpanel, borderlayout.center);
setsize(600, 700);
setvisible(true);
}

public void actionperformed(actionevent event) {
if (event.getsource() == submitbutton) {
thread downloader = new thread(this);
downloader.start();
} else if (event.getsource() == interruptbutton) {
isinterrupted = true;
}
}

public void run() {
isinterrupted = false;
if (haslegalargs())
new httpclient(host, port, requestline,
requestheaders, resultarea, this);
}

public boolean isinterrupted() {
return(isinterrupted);
}

private boolean haslegalargs() {
host = hostfield.gettextfield().gettext();
if (host.length() == 0) {
report("missing hostname");
return(false);
}
string portstring =
portfield.gettextfield().gettext();
if (portstring.length() == 0) {
report("missing port number");
return(false);
}
try {
port = integer.parseint(portstring);
} catch(numberformatexception nfe) {
report("illegal port number: " + portstring);
return(false);
}
requestline =
requestlinefield.gettextfield().gettext();
if (requestline.length() == 0) {
report("missing request line");
return(false);
}
getrequestheaders();
return(true);
}

private void report(string s) {
resultarea.settext(s);
}

private void getrequestheaders() {
for(int i=0; i<requestheaders.length; i++)
requestheaders[i] = null;
int headernum = 0;
string header =
requestheadersarea.gettext();
stringtokenizer tok =
new stringtokenizer(header, "\r\n");
while (tok.hasmoretokens())
requestheaders[headernum++] = tok.nexttoken();
}
}

请说得详细一点,我对jbuilder不是很熟悉. ^_^
(如果按照普通的gui程序编译的时候会抛出一大堆错误.如下:

"webclient.java": cannot resolve symbol: class closeableframe in class webclient at line 5, column 32
"webclient.java": cannot resolve symbol: class interruptible in class webclient at line 6, column 26
"webclient.java": interface expected here at line 6, column 26
"webclient.java": cannot resolve symbol: class labeledtextfield in class webclient at line 11, column 11
"webclient.java": cannot resolve symbol: method setbackground (java.awt.color)in class webclient at line 22, column 5
"webclient.java": cannot resolve symbol: method setlayout (java.awt.borderlayout)in class webclient at line 23, column 5
"webclient.java": cannot resolve symbol: class labeledtextfield in class webclient at line 35, column 21
"webclient.java": cannot resolve symbol: class labeledtextfield in class webclient at line 37, column 21
"webclient.java": cannot resolve symbol: class labeledtextfield in class webclient at line 43, column 11
"webclient.java": cannot resolve symbol: method add (java.awt.panel,java.lang.string)in class webclient at line 62, column 5
"webclient.java": cannot resolve symbol: method add (java.awt.panel,java.lang.string)in class webclient at line 78, column 5
"webclient.java": cannot resolve symbol: method setsize (int,int)in class webclient at line 79, column 5
"webclient.java": cannot resolve symbol: method setvisible (boolean)in class webclient at line 80, column 5
"webclient.java": reference to thread is ambiguous; both method thread(java.lang.runnable) in java.lang.thread and method thread(java.lang.string) in java.lang.thread match at line 85, column 27
"webclient.java": cannot resolve symbol: class httpclient in class webclient at line 95, column 11

· 网友精彩回答：

发表者：1goldenage1

你在jb中new project -> new class时向导会帮你加上package的,如果没包名可能绘出现找不到用户定义的类的情况.

发表者：dlxu

socketutil这个类找不到

处理 SSI 文件时出错

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