java ÈÕÆÚ¼ÆËã(¼¸Ììǰºó)
public class DateTest {
public static void main(String[] args) {
Date date = new Date(); // н¨Ò»¸öÈÕÆÚ
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); // ¸ñʽ»¯ÈÕÆÚ
String beforeDate = sdf.format(getDateBefore(date, 10));
System.out.println(beforeDate);
String afterDate = sdf.format(getDateAfter(date, 10));
System.out.println(afterDate);
}
/**
* µÃµ½¼¸ÌìǰµÄʱ¼ä
*/
public static Date getDateBefore(Date d, int day) {
Calendar now = Calendar.getInstance();
now.setTime(d);
now.set(Calendar.DATE, now.get(Calendar.DATE) - day);
return now.getTime();
}
/**
* µÃµ½¼¸ÌìºóµÄʱ¼ä
*/
public static Date getDateAfter(Date d, int day) {
Calendar now = Calendar.getInstance();
now.setTime(d);
now.set(Calendar.DATE, now.get(Calendar.DATE) + day);
return now.getTime();
}
}
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package com.wfy.system.dao;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
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int a=1;byte b=2;short c=3;float d=3;double e=4;char f='a';boolean g=true;long l=10;
c=b;
a=f;
d=a;
e=d;
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CallableStatement ca = conn.prepareCall("{call Login (?,?)}");
ca.setString(1,username);
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