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我想用java編寫一個messenger應用程序。我想發送笑臉照片。我寫了這段代碼,但它不起作用。有關java任務的幫助
public class MyClient extends JFrame implements IClient {
...
JEditorPane editorPane=new JEditorPane();
final String SMILE = ClassLoader.getSystemClassLoader().getResource("images/1.gif").toString();
...
public void chat(String message) {
try {
StringBuffer bfr= new StringBuffer(message);
while(message.indexOf(":)") != -1) {
int index = message.indexOf(":)");
bfr.replace(index,index+2,"<IMG SRC=\""+SMILE +"\">");
message= bfr.toString();
}
try{
editorPane.getEditorKit().read(new java.io.StringReader(message+"\n"),
editorPane.getDocument(), editorPane.getDocument().getLength());
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (BadLocationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
editorPane.setCaretPosition(editorPane.getDocument().getLength());
}
... 但desnt顯示興高采烈的editorpane,輸出爲: 這是與該興高采烈的地址爲被保存。 我投這樣的代碼:
(HTMLEditorKit)editorPane.getEditorKit().read(new java.io.StringReader(message+"\n"),
editorPane.getDocument(), editorPane.getDocument().getLength());
但它會導致異常,因爲這是投不正確。所以我能做什麼? 感謝