JDBC_时间操作_时间段和日期段查询

import java.sql.Connection;

import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Random;

/**
* 测试时间处理(java.sql.Date,Time,Timestamp),取出指定时间段的数据
* @author 
*
*/
public class Demo08 {

/**
* 将字符串代表的日期转为long数字(格式：yyyy-MM-dd hh:mm:ss)
* @param dateStr
* @return
*/
public static long str2Date(String dateStr){
DateFormat format = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
try {
return format.parse(dateStr).getTime();
} catch (ParseException e) {
e.printStackTrace();
return 0;
}
}

public static void main(String[] args) {
Connection conn = null;
PreparedStatement ps = null;
ResultSet rs = null;
try {
//加载驱动类
Class.forName("com.mysql.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/testjdbc","root","123456");

// ps = conn.prepareStatement("select * from t_user where regTime>? and regTime<?");
// java.sql.Date start = new java.sql.Date(str2Date("2015-4-10 10:23:45"));
// java.sql.Date end = new java.sql.Date(str2Date("2015-4-13 10:23:45"));
// ps.setObject(1, start);
// ps.setObject(2, end);

ps = conn.prepareStatement("select * from t_user where lastLoginTime>? and lastLoginTime<? order by lastLoginTime ");
Timestamp start = new Timestamp(str2Date("2015-4-18 8:10:20"));
Timestamp end = new Timestamp(str2Date("2015-4-18 9:9:10"));
ps.setObject(1, start);
ps.setObject(2, end);

rs = ps.executeQuery();
while(rs.next()){
System.out.println(rs.getInt("id")+"--"+rs.getString("username")+"--"+rs.getTimestamp("lastLoginTime"));
}

} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}finally{
try {
if(ps!=null){
ps.close();
}
} catch (SQLException e) {
e.printStackTrace();
}
try {
if(conn!=null){
conn.close();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}