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public String login(HttpServletRequest request){
OperatorService operatorService = new OperatorService();
WebContext webContext= request.getSession().getAttribute("WEB_CONTEXT_KEY");
Connection conn=null;
try{
Conection conn =DBManager.getConnection();
if(webContext.getOperatorName.equals("123")){
// µÇ½³É¹¦
}
}catch(Throwable t){
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//¹Ø±ÕConnection
if(conn!=null){
try{conn.close();}cath(SQLException ex){}
}
}
}
public String logOut(HttpServletRequest request){
OperatorService operatorService = new OperatorService();
WebContext webContext= request.getSession().getAttribute("WEB_CONTEXT_KEY");
try{
Conection conn =DBManager.getConnection();
operatorService.logout();
request.getSession().invalidate();
}catch(Throwable t){
//¼Ç¼ÈÕÖ¾
//Ìø×ªµ½Í³Ò»µÄ´íÎóÒ³Ãæ,²»ÄÜÈÃÓû§¿´µ½Òì³£Ò³Ãæ
//¹Ø±ÕConnection
if(conn!=null){
try{conn.close();}cath(SQLException ex){}
}
}
}
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public abstract class AppCallback {
/**
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public String execute() {
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package com.zhangyg.thread.mytest;
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import javax.swing.JFrame;
public class Line
{
public static void main(String[] arg)
{
JFrame frame=new JFrame("Draw lines");
frame.setDefaultCloseOperation(JFrame.EX ......