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