This commit is contained in:
季圣华
2016-12-11 22:54:56 +08:00
parent c67ff2213c
commit 360c655f68
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src/com/jsh/util/Tools.java Normal file
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package com.jsh.util;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.InetAddress;
import java.net.URLEncoder;
import java.net.UnknownHostException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.UUID;
import java.util.regex.Pattern;
import java.math.BigInteger;
/**
* 工具类
* @author jishenghua qq:7-5-2-7-1-8-9-2-0
*/
public class Tools
{
/**
* 获得32位唯一序列号
* @return 32为ID字符串
*/
public static String getUUID_32()
{
return UUID.randomUUID().toString().replaceAll("-", "");
}
/**
* 获得当天时间格式为yyyy-MM-dd
* @return 格式化后的日期格式
*/
public static String getNow()
{
return new SimpleDateFormat("yyyy-MM-dd").format(new Date());
}
/**
* 获取当前月 yyyy-MM
* @return
*/
public static String getCurrentMonth()
{
return new SimpleDateFormat("yyyy-MM").format(new Date());
}
/**
* 获取指定日期格式 yyyy-MM
* @return
*/
public static String getCurrentMonth(Date date)
{
return new SimpleDateFormat("yyyy-MM-dd").format(date);
}
/**
* 获得当天时间格式为yyyyMMddHHmmss
* @return 格式化后的日期格式
*/
public static String getNow2(Date date)
{
return new SimpleDateFormat("yyyyMMddHHmmss").format(date);
}
/**
* 获得当天时间格式为yyyy-MM-dd HH:mm:ss
* @return 格式化后的日期格式
*/
public static String getNow3()
{
return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
}
/**
* 获得指定时间格式为yyyy-MM-dd HH:mm:ss
* @return 格式化后的日期格式
*/
public static String getCenternTime(Date date)
{
return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(date);
}
/**
* 获得指定时间格式为mm:ss
* @return 格式化后的日期格式
*/
public static String getTimeInfo(Date date)
{
return new SimpleDateFormat("mm:ss").format(date);
}
/**
* 获取当前日期是星期几
* return 星期几
*/
public static String getWeekDay()
{
Calendar c = Calendar.getInstance(Locale.CHINA);
c.setTime(new Date());
int day=c.get(Calendar.DAY_OF_WEEK);
String weekDay = "";
switch (day)
{
case 1:
weekDay = "星期日";
break;
case 2:
weekDay = "星期一";
break;
case 3:
weekDay = "星期二";
break;
case 4:
weekDay = "星期三";
break;
case 5:
weekDay = "星期四";
break;
case 6:
weekDay = "星期五";
break;
case 7:
weekDay = "星期六";
break;
default:
break;
}
return weekDay;
}
/**
* 判断字符串是否全部为数字
* @param accountWaste
* @return boolean值
*/
public static boolean checkStrIsNum(String checkStr)
{
if(checkStr == null || checkStr.length() ==0)
return false;
return Pattern.compile("^[0-9]*.{1}[0-9]*$").matcher(checkStr).matches();
// return Pattern.compile("^[0-9]+(.[0-9])*$").matcher(checkStr).matches();
}
/**
* 获得前一天的时间
* @return 前一天日期
*/
public static String getPreviousDate()
{
Calendar cal = Calendar.getInstance();
cal.add(Calendar.DATE, -1);
return new SimpleDateFormat("yyyy-MM").format(cal.getTime());
}
/**
* 截取字符串长度
* @param beforeStr
* @param cutLeng
* @return 截取后的字符串
*/
public static String subStr(String beforeStr,int cutLeng){
if(beforeStr.length()>cutLeng)
return beforeStr.substring(0,cutLeng)+ "..." ;
return beforeStr ;
}
/**
* 生成随机字符串,字母和数字混合
* @return 组合后的字符串 ^[0-9a-zA-Z]
*/
public static String getRandomChar(){
//生成一个0、1、2的随机数字
int rand = (int)Math.round(Math.random() * 1);
long itmp = 0;
char ctmp = '\u0000';
switch (rand)
{
//生成大写字母 + 1000以内数字
case 1:
itmp = Math.round(Math.random() * 25 + 65);
ctmp = (char)itmp;
return String.valueOf(ctmp) + (int)Math.random()*1000;
//生成小写字母
case 2:
itmp = Math.round(Math.random() * 25 + 97);
ctmp = (char)itmp;
return String.valueOf(ctmp)+ (int)Math.random()*1000;
//生成数字
default :
itmp = Math.round(Math.random() * 1000);
return itmp + "";
}
}
/**
* 判断首字母以数字开头,字符串包括数字、字母%以及空格
* @param str 检查字符串
* @return 是否以数字开头
*/
public static boolean CheckIsStartWithNum(String str)
{
return Pattern.compile("^[0-9][a-zA-Z0-9%,\\s]*$").matcher(str).matches();
}
/**
* 判断首字母以","开头,字符串包括数字、字母%以及空格
* @param str 检查字符串
* @return 是否以数字开头
*/
public static boolean CheckIsStartWithSpec(String str)
{
return Pattern.compile("^[,][a-zA-Z0-9%,\\s]*$").matcher(str).matches();
}
/**
* 字符转码
* @param aValue
* @return
* @see 转码后的字符串
*/
public static String encodeValue(String aValue)
{
if(aValue.trim().length() ==0)
{
return "";
}
String valueAfterTransCode = null;
try
{
valueAfterTransCode = URLEncoder.encode(aValue, "UTF-8");
}
catch (UnsupportedEncodingException e)
{
e.getMessage();
}
return valueAfterTransCode;
}
/**
* 去除str中的'
* @param str
* @return 除去'后的字符串
* @see [类、类#方法、类#成员]
*/
public static String afterDealStr(String str)
{
return str.replace("'", "");
}
/**
* 获取用户IP地址
* @return 用户IP
* @see [类、类#方法、类#成员]
*/
public static String getCurrentUserIP()
{
try
{
return InetAddress.getLocalHost().getHostAddress();
}
catch (UnknownHostException e)
{
e.printStackTrace();
return "127.0.0.1";
}
}
/**
* 转化前台批量传入的ID值
* @param data
* @return 转化后的ID值数组
*/
public static int[] changeDataForm(String data)
{
String[] dataStr = data.split(",");
int[] dataInt = new int[dataStr.length];
for(int i = 0 ;i < dataStr.length;i ++)
dataInt[i] = Integer.parseInt(dataStr[i]);
return dataInt;
}
/**
* 解决导出文件中文乱码问题firefox和ie下中文乱码
*/
public static String changeUnicode(String fileName,String browserType)
{
String returnFileName = "";
try
{
if(browserType.equalsIgnoreCase("MSIE"))
{
returnFileName = URLEncoder.encode(fileName, "ISO8859-1");
returnFileName = returnFileName.replace(" ","%20");
if (returnFileName.length() > 150)
{
returnFileName = new String(fileName.getBytes("GB2312"), "ISO8859-1");
returnFileName = returnFileName.replace(" ", "%20");
}
}
else if(browserType.equalsIgnoreCase("Firefox"))
{
returnFileName = new String(fileName.getBytes("ISO8859-1"),"ISO8859-1");
returnFileName = returnFileName.replace(" ", "%20");
}
else
{
returnFileName = URLEncoder.encode(fileName, "ISO8859-1");
returnFileName = returnFileName.replace(" ","%20");
if (returnFileName.length() > 150)
{
returnFileName = new String(returnFileName.getBytes("GB2312"), "ISO8859-1");
returnFileName = returnFileName.replace(" ", "%20");
}
}
}
catch (UnsupportedEncodingException e)
{
e.printStackTrace();
}
return returnFileName;
}
/**
* 写理财日志内容转化特殊字符
* @param str 需要转化的字符
* @return 转化后的字符
*/
public static String htmlspecialchars(String str)
{
str = str.replaceAll("&", "&amp;");
str = str.replaceAll("<", "&lt;");
str = str.replaceAll(">", "&gt;");
str = str.replaceAll("\"", "&quot;");
return str;
}
/**
* 根据消费日期获取消费月
* @param consumeDate 消费日期
* @return 返回消费月信息
*/
public static String getConsumeMonth(String consumeDate)
{
return consumeDate.substring(0,7);
}
/**
* 获取当前日期的前XX个月
* @param 之前的第几个月
* @return 前XX个月字符串
*/
public static String getBeforeMonth(int beforeMonth)
{
Calendar c = Calendar.getInstance();
c.add(Calendar.MONTH, -beforeMonth);
return new SimpleDateFormat("yyyy-MM").format(c.getTime());
}
/**
* 获取email用户姓名
* @param args
*/
public static String getEmailUserName(String emailAddress)
{
return emailAddress.substring(0,emailAddress.lastIndexOf("@"));
}
/**
* 获取中文编码,邮件附件乱码问题解决
* @param str
* @return
*/
public static String getChineseString(String emailAttchmentTitle)
{
if(emailAttchmentTitle!=null&&!emailAttchmentTitle.equals(""))
{
try
{
return new String(emailAttchmentTitle.getBytes(),"ISO-8859-1");
}
catch (UnsupportedEncodingException e)
{
e.printStackTrace();
}
}
return emailAttchmentTitle;
}
/**
* 判断userTel是否合法userTel只能是数字
* @param userTel
* @return true 合法 false不合法
*/
public static boolean isTelNumber(String userTel)
{
String reg_phone="^(\\(\\d{3,4}\\)|\\d{3,4}-)?\\d{7,8}$";
String reg_tel="^(1[0-9][0-9]|1[0-9][0|3|6|8|9])\\d{8}$";
boolean b_phpne=Pattern.compile(reg_phone).matcher(userTel).matches();
boolean b_tel=Pattern.compile(reg_tel).matcher(userTel).matches();
return (b_phpne || b_tel);
}
/**
* 模糊判断电话号码是否合法,只能是数字
* @param macAddress
* @return
*/
public static boolean isTelNumberBySlur(String userTel)
{
return Pattern.compile("^([\\s0-9]{0,12}$)").matcher(userTel).matches();
}
/**
* 获取当前时间的字符串类型
* @return 处理后的字符串类型
*/
public static String getNowTime()
{
return new SimpleDateFormat("yyyyMMddHHmmss").format(Calendar.getInstance().getTime());
}
/**
* 开打指定文件
* @param filePath 文件的绝对路径
*/
public static void openFile(String filePath)
{
String viewFilePath = filePath.replace("\\", "/");
// Runtime.getRuntime().exec("cmd /c start "+filePath);
// 解决路径中带空格问题
Runtime r = Runtime.getRuntime();
String[] cmdArray = new String[] { "cmd.exe", "/c", viewFilePath };
try
{
r.exec(cmdArray);
}
catch (IOException e)
{
e.printStackTrace();
}
}
/**
* 判断字符串中是否含有中文
* @author jishenghua
* @param str
* @return
*/
public static boolean isContainsChinese(String str)
{
return Pattern.compile("[\u4e00-\u9fa5]").matcher(str).matches();
}
/**
* 过滤html文件中的文本
* @param content
* @return过滤后的文本
*/
public static String filterText(String content)
{
return content.replace("/<(?:.|\\s)*?>/g","");
}
/**
* 去掉字符串中所有符号,不论是全角,还是半角的,或是货币符号或者空格等
* @author jishenghua
* @param s
* @return
*
*/
public static String removeSymbolForString(String s)
{
StringBuffer buffer = new StringBuffer();
char[] chars = s.toCharArray();
for (int i = 0; i < chars.length; i++)
{
if ((chars[i] >= 19968 && chars[i] <= 40869) || (chars[i] >= 97 && chars[i] <= 122) || (chars[i] >= 65 && chars[i] <= 90))
{
buffer.append(chars[i]);
}
}
return buffer.toString();
}
/**
* 获取一个字符串的MD5
* @param msg
* @return 加密后的MD5字符串
* @throws NoSuchAlgorithmException
*/
public static String md5Encryp(String msg) throws NoSuchAlgorithmException
{
// 生成一个MD5加密计算摘要
MessageDigest md = MessageDigest.getInstance("MD5");
// 计算md5函数
md.update(msg.getBytes());
return new BigInteger(1, md.digest()).toString(16);
}
/**
* 处理字符串null值
* @param beforeStr 处理前字符串
* @return 处理后的字符串
*/
public static String dealNullStr(String beforeStr)
{
if(null == beforeStr || beforeStr.length()==0)
return "";
return beforeStr;
}
/**
* 使用参数Format将字符串转为Date
* @author jishenghua
* @param strDate
* @param pattern
* @return
* @throws ParseException
*
*/
public static Date parse(String strDate, String pattern)
throws ParseException
{
return new SimpleDateFormat(pattern).parse(strDate);
}
// /**
// * 过滤html文件中的图片文件
// * @param content
// * @return
// */
// public static String filterImg(String content)
// {
// return content.matches("/<img(?:.|\\s)*?>/g");
// }
public static void main(String[] args)
{
String aa = "的付的反对法的发的说法";
char[] bb = aa.toCharArray();
for(char c : bb)
{
System.out.println(c);
}
System.out.println(getBeforeMonth(1));
try
{
System.out.println(md5Encryp("guest"));
System.out.println(md5Encryp("admin"));
}
catch (NoSuchAlgorithmException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
String value = "2333";
System.out.println(checkStrIsNum(value));
for(int i = 0 ;i < 100;i ++)
{
System.out.print(getRandomChar() + " || ");
}
}
}