聊天程序求大神解惑
点击确定按钮出现一下
Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 0
at Client$4.actionPerformed(Client.java:223)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6038)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3260)
at java.awt.Component.processEvent(Component.java:5803)
at java.awt.Container.processEvent(Container.java:2058)
at java.awt.Component.dispatchEventImpl(Component.java:4410)
at java.awt.Container.dispatchEventImpl(Container.java:2116)
at java.awt.Component.dispatchEvent(Component.java:4240)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
at java.awt.Container.dispatchEventImpl(Container.java:2102)
at java.awt.Window.dispatchEventImpl(Window.java:2429)
at java.awt.Component.dispatchEvent(Component.java:4240)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
错误，
这是为什么呢？
[解决办法]
数组越界!
看看 Client.java:223 代码.
[解决办法]
数组下标越界了，
把Client类 尤其223行 贴出来
[解决办法]
lz肯定是 取数组的索引的时候超出范围了
[解决办法]
int a = 0;
while((ss = bufferedreader.readLine()) != null)//注意这改了.
{
String[] sss = ss.split(" ");
// ----------------------这加一判断。
if(sss.length==0)
{
continue;
}
//-----------------------
a = compare(sss[0],s1);
if(s2.equals(s4))
{
if(a == 1)
{
JOptionPane.showMessageDialog(f2,"该名已被使用");
break;
}
//ss = bufferedreader.readLine();//这句不要了。
if(a == 0)
{
printwrite.println(s3);
JOptionPane.showMessageDialog(f2, "恭喜你 ，注册成功");
f2.setVisible(false);
f1.setVisible(true);
break;
}
}
else
{
JOptionPane.showMessageDialog(f2,"密码不一致");
break;
}
}
bt1.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent ae1)
{
boolean temp = false;
try
{
bufferedreader = new BufferedReader(new FileReader("f:\\pwd.txt"));
String sName = null;
while((sName = bufferedreader.readLine()) != null)
{
String str=text1.getText();
String str1=new String (pasf1.getPassword());
String[] sarr = sName.split(" ");
//------------- 加上这段看看
if(sarr.length==0)
{
continue;
}
//-------------
if((str.equals(sarr[0])) && (str1.equals(sarr[1])))
{
temp = true;
break;
}
else
{
temp = false;
}
}
if(temp == false)
{
JOptionPane.showMessageDialog(f1, "抱歉，用户名不存在或密码错误！");
}
else
{
oos.writeObject(text1.getText());
f1.setVisible(false);
f3.setTitle(text1.getText()+"正在聊天");
f3.setVisible(true);
}
bufferedreader.close();
}
catch (Exception e1)
{
}
}
});
