📄 tcp.java
字号:
package com.sxit.pim.cp;
import java.util.*;
import java.sql.*;
/**
* <p>类名: Tcp</p>
* <p>功能: cp</p>
* <p>公司: 深讯信科</p>
* <p>版本: 1.0</p>
* @程序 sxit
* @日期 2005-12-14
* @修改纪录
*/
public class Tcp
extends TcpImpl {
public Tcp() {
super();
}
/**
* 根据IP查找CP
*/
public static int count_ip(Connection con, String ip) throws SQLException {
PreparedStatement stmt = null;
ResultSet rs = null;
int cnt = 0;
String sql = "";
try {
sql = "select count(*) as cnt from tcp where cp_ip='" + ip + "'";
//System.out.println("sql="+sql);
stmt = con.prepareStatement(sql);
rs = stmt.executeQuery();
if (rs.next()) {
cnt = rs.getInt("cnt");
}
stmt.close();
}
finally {
if (stmt != null)
stmt.close();
}
return cnt;
}
/**
* 创建数据,根据IP
*/
public int create1(Connection con, String ip) throws SQLException {
PreparedStatement stmt = null;
ResultSet rs = null;
String sql = "";
int id=0;
try {
sql ="select id from tcp where cp_ip=?";
stmt = con.prepareStatement(sql);
stmt.setString(1, ip);
rs = stmt.executeQuery();
if (rs.next()) {
id = rs.getInt("id");
}
stmt.close();
}
finally {
if (stmt != null)
stmt.close();
}
return id;
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -