pubfun.java

是一个应用型java网站例子

package com.neck.math;

import java.io.*;
import java.util.Date;
import java.util.*;
import java.security.MessageDigest;
import java.sql.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*; 
import java.text.*;
import java.text.ParseException;
import java.util.Calendar;

import com.neck.*;

public class PubFun{

	String		m_strErrMsg;

/*****************************************************************************************
**	功能:	将浮点数转换成字符串															**
**	输入:	finFloat--要转换数字			iBitNum--小数位数									**
**	输出:	false--失败		true--成功													**
**	Auth:	Ysr																			**
**	Date:	2005.6.16																	**
******************************************************************************************/
public static String FloatToString(float finFloat, int iBitNum)
{
	float	fOldFloat	=	finFloat;
	
	// 先转换整数部分
	int		iTmp		=	(int)fOldFloat;
	String	strOut		=	Integer.toString(iTmp);
	
	if( iBitNum > 0 ) 
		strOut	+=	".";
	
	// 对负数的整数为0的特殊处理
	if( 0==iTmp )
	{
		int iBitInt	=	1;
		for(int i=0; i<iBitNum; i++)
			iBitInt	=	iBitInt*10;
		float fTmp	=	(float)1.0/iBitInt;
		
		if( fOldFloat < 0-fTmp )
			strOut		=	"-0.";
	}

	//	小数部分
	float	fTmp		=	fOldFloat - iTmp;
	if( strOut.substring(0,1).equals("-") )
		fTmp			=	0 - fTmp;
		
	int		iBitInt		=	1;		// 进位数字
	float	fBitFloat	=	(float)0.5;
	for( int i=0; i<iBitNum; i++ )
	{
		iBitInt			=	iBitInt*10;
		fBitFloat		=	fBitFloat/10;
	}

	iTmp		=	(int)((fTmp+fBitFloat)*iBitInt);
	iBitInt		=	iBitInt/10;	

	for( int i=0; i<iBitNum-1; i++ )
	{
		if( iTmp/iBitInt > 0 )
			break;
		else
		{
			strOut	+=	"0";
			iBitInt	=	iBitInt/10;	
		}
	}

	//if( iTmp > 0)
	strOut		+=	Integer.toString(iTmp);

	return strOut;
}

/*****************************************************************************************
**	功能:	将双精度数转换成字符串															**
**	输入:	dinDouble--要转换数字			iBitNum--小数位数									**
**	输出:	false--失败		true--成功													**
**	Auth:	Ysr																			**
**	Date:	2005.6.16																	**
******************************************************************************************/
public static String DoubleToString(double dinDouble, int iBitNum)
{
	double	dOldDouble	=	dinDouble;
	
	// 先转换整数部分
	long	lTmp		=	(long)dOldDouble;
	String	strOut		=	Long.toString(lTmp);
	
	if( iBitNum > 0 ) 
		strOut	+=	".";
	
	// 对负数的整数为0的特殊处理
	if( 0==lTmp )
	{
		int iBitInt	=	1;
		for(int i=0; i<iBitNum; i++)
			iBitInt	=	iBitInt*10;
		double dTmp	=	(double)1.0/iBitInt;
		
		if( dOldDouble < 0-dTmp )
			strOut		=	"-0.";
	}

	//	小数部分
	double	dTmp		=	dOldDouble - lTmp;
	if( strOut.substring(0,1).equals("-") )
		dTmp			=	0 - dTmp;

	int		iBitInt		=	1;		// 进位数字
	double	dBitDouble	=	(double)0.5;
	for( int i=0; i<iBitNum; i++ )
	{
		iBitInt			=	iBitInt*10;
		dBitDouble		=	dBitDouble/10;
	}

	lTmp		=	(long)((dTmp+dBitDouble)*iBitInt);
	iBitInt		=	iBitInt/10;	

	for( int i=0; i<iBitNum-1; i++ )
	{
		if( lTmp/iBitInt > 0 )
			break;
		else
		{
			strOut	+=	"0";
			iBitInt	=	iBitInt/10;	
		}
	}

	//if( lTmp>0 )
	strOut		+=	Long.toString(lTmp);

	return strOut;
}

/*****************************************************************************************
**	功能:	取当前时间																	**
**	Auth:	Ysr																			**
******************************************************************************************/
public static String getCurrTime()
{
	Timestamp 		ts 	=	new Timestamp(System.currentTimeMillis());
	return			ts.toString().substring(0, 19);
}


/*****************************************************************************************
**	功能:	取当前时间																	**
**	Auth:	Ysr																			**
******************************************************************************************/
public static String getCurrTime2()
{
	Calendar data = Calendar.getInstance();	
	SimpleDateFormat dFormat1 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	return   dFormat1.format(data.getTime());  //日期
}

/*****************************************************************************************
**	功能:	取当前时间																	**
**	Auth:	Ysr																			**
******************************************************************************************/
public static String getCurrTimeMS()
{
	Calendar data = Calendar.getInstance();	
	//时间格式（K+时间的格式，精确到毫秒）
	SimpleDateFormat dFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss:S");
	return dFormat.format(data.getTime());   
}

/*****************************************************************************************
**	功能:	取出输入时间的上一天															**
**	Auth:	Ysr																			**
**	Date:	2006.3.28																	**
******************************************************************************************/
public static String getYestday(String strInTime)
{
	try{
		DateFormat		df;
		if( strInTime.length() > 14 )
			df		=	new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
		else
			df		=	new SimpleDateFormat("yyyy-MM-dd", Locale.US);
		Date		dtInTime	=	df.parse(strInTime);
		Timestamp	ts			=	new Timestamp(dtInTime.getTime()-3600000*24);	
		return		ts.toString().substring(0,10);
	}
	catch(ParseException ex)
	{
		System.out.println("日期转换时出错！strInTime:"+strInTime+"msg="+ex.getMessage());
	}
	return "";
}


/*****************************************************************************************
**	功能:	取出输入时间的上月一号															**
**	Auth:	Ysr																			**
**	Date:	2006.3.28																	**
******************************************************************************************/
public static String getLastMonth1Day(String strInTime)
{
	try{
		DateFormat		df;
		if( strInTime.length() > 14 )
			df		=	new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
		else
			df		=	new SimpleDateFormat("yyyy-MM-dd", Locale.US);
		Date	dtNowMonth1Day	=	df.parse(strInTime.substring(0,8) + "01 00:00:00");	//	本月1号
		Timestamp	ts			=	new Timestamp(dtNowMonth1Day.getTime()-3600000);	//	上月最后一天的23点
		return		ts.toString().substring(0,8)+"01";
	}
	catch(ParseException ex)
	{
		System.out.println("日期转换时出错！strInTime:"+strInTime+"msg="+ex.getMessage());
	}
	return "";
}

/*****************************************************************************************
**	功能:	取出输入时间的上月最后一天														**
**	Auth:	Ysr																			**
**	Date:	2006.3.28																	**
******************************************************************************************/
public static String getLastMonthLastDay(String strInTime)
{
	try{
		DateFormat		df;
		if( strInTime.length() > 14 )
			df		=	new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
		else
			df		=	new SimpleDateFormat("yyyy-MM-dd", Locale.US);
		Date	dtNowMonth1Day	=	df.parse(strInTime.substring(0,8) + "01 00:00:00");	//	本月1号
		Timestamp	ts			=	new Timestamp(dtNowMonth1Day.getTime()-3600000);	//	上月最后一天的23点
		return		ts.toString().substring(0,10);
	}
	catch(ParseException ex)
	{
		System.out.println("日期转换时出错！strInTime:"+strInTime+"msg="+ex.getMessage());
	}
	return "";
}

/*****************************************************************************************
**	功能:	取出输入时间的上一小时															**
**	Auth:	Ysr																			**
**	Date:	2006.4.12																	**
******************************************************************************************/
public static String getLastHourTime(String strInTime)
{
	try{
		DateFormat		df;
		if( strInTime.length() > 14 )
			df		=	new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
		else
			df		=	new SimpleDateFormat("yyyy-MM-dd", Locale.US);
		Date		dtInTime	=	df.parse(strInTime);
		Timestamp	ts			=	new Timestamp(dtInTime.getTime()-3600000);	
		return		ts.toString().substring(0,19);
	}
	catch(ParseException ex)
	{
		System.out.println("日期转换时出错！strInTime:"+strInTime+"msg="+ex.getMessage());
	}
	return "";
}


/*****************************************************************************************
**	功能:	发送邮件																		**
**	输入:	strAttachFile--附件			strInTitle--标题									**
**	输出:	false--失败		true--成功													**
**	Auth:	Ysr																			**
**	Date:	2005.7.6																	**
******************************************************************************************/
public static boolean SendMail(String strAttachFileList, String strInTitle)
{
	Ini			m_Ini			=	new Ini(null);
	String		strSmtpSvr		=	m_Ini.getString("REPORT","SmtpSvr");
	String		strSvrMail		=	m_Ini.getString("REPORT","SvrMail");	//	用于发送邮件的账号	
	String		strSvrMailUser	=	m_Ini.getString("REPORT","SvrMailUser");//	用于发送邮件用户
	String		strSvrMailPwd	=	m_Ini.getString("REPORT","SvrMailPwd");	//	用于发送邮件的账号	
	String		strMailTo		=	m_Ini.getString("REPORT","MailTo");		//	邮件目的地账号
	String		strMailCc		=	m_Ini.getString("REPORT","MailCc");		//	邮件抄送账号
	String		strMailBcc		=	m_Ini.getString("REPORT","MailBcc");	//	邮件密送账号
	String		strDebug		=	m_Ini.getString("REPORT","Debug");		//	是否是调试状态
	String		strTitle		=	strInTitle;								//	邮件标题

	try
	{
		Properties props=new Properties();//也可用Properties props = System.getProperties(); 
		props.put("mail.smtp.host",strSmtpSvr);//存储发送邮件服务器的信息 
		props.put("mail.smtp.auth","true");//同时通过验证 
		Session session=Session.getInstance(props);//根据属性新建一个邮件会话 
		if( strDebug.trim().equalsIgnoreCase("true") )
			session.setDebug(true); 
		else
			session.setDebug(false); 
		
		MimeMessage message=new MimeMessage(session);//由邮件会话新建一个消息对象 
		
		//设置邮件 
		InternetAddress from=new InternetAddress(strSvrMail); 
		message.setFrom(from);//设置发件人 
		InternetAddress to=new InternetAddress(strMailTo); 
		message.setRecipient(Message.RecipientType.TO,to);//设置收件人,并设置其接收类型为TO
		if( strMailCc != null && strMailCc.trim().equals("")==false )
		{
			InternetAddress cc=new InternetAddress(strMailCc); 
			message.setRecipient(Message.RecipientType.CC,cc);//设置抄送人,并设置其接收类型为CC 
		} 
		if( strMailBcc != null && strMailBcc.trim().equals("")==false )
		{
			InternetAddress bcc=new InternetAddress(strMailBcc); 
			message.setRecipient(Message.RecipientType.BCC,bcc);//设置密送人,并设置其接收类型为BCC 
		}
		message.setSubject(strTitle);//设置主题 
		//message.setText("请审核报表!");//设置信件内容 
		
		message.setSentDate(new Date());//设置发信时间