countaccnum.java
来自「可以实现网站中用于统计网站每日访问量的一个实例」· Java 代码 · 共 36 行
JAVA
36 行
package com.count.Online;
import java.sql.*;
import java.util.Date;
public class CountAccNum {
private int year=1900;
private int month=1;
private int day=1;
public CountAccNum(){}
private void getYMD(Date nowdate){
this.year=nowdate.getYear()+1900;
this.month=nowdate.getMonth()+1;
this.day=nowdate.getDate();
}
public void addtimes(Date nowdate){
getYMD(nowdate);
DB db=new DB();
String searchsql="select * from tb_accnum where time_y="+year+" and time_m="+month+" and time_d="+day;
System.out.println("searchsql:"+searchsql);
String updatesql="update tb_accnum set time_accnum=time_accnum+1 where time_y="+year+" and time_m="+month+" and time_d="+day;
System.out.println("updatesql:"+updatesql);
String insertsql="insert into tb_accnum values("+year+","+month+","+day+",1)";
System.out.println("insertsql:"+insertsql);
try{
ResultSet rs=db.search(searchsql);
if(!rs.next()){
db.dosql(insertsql);
}
else{
db.dosql(updatesql);
}
db.closed();
}catch(Exception e){e.printStackTrace();}
}
}
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?