java 时间工具类(未测试)
来源：互联网 发布：java和jsp分页查询 编辑：程序博客网 时间：2024/05/17 01:44
import java.io.File; import java.io.IOException; import java.net.URLEncoder; import java.text.DateFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.Locale; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.servlet.http.HttpServletRequest; import org.apache.commons.lang.StringUtils; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.jsoup.select.Elements; import com.trs.gab.beans.AppPhrasseDataResult; import com.trs.gab.beans.DicDataModel; import sun.misc.UCEncoder; /** * 时间工具类 * */ public class DateUtil { /** * 返回数据库中以'YYYY-MM-DD HH24:MI:SS'格式表示当前时间的字符串 * 用法:to_date(?,'YYYY-MM-DD HH24:MI:SS') * ?设置strNowtime * @return */ public static String getNowTimeStr(){ Calendar m_cal = Calendar.getInstance(); String strNowtime = m_cal.get(Calendar.YEAR) + "-" + (m_cal.get(Calendar.MONTH) + 1) + "-" + m_cal.get(Calendar.DAY_OF_MONTH) + " " + m_cal.get(Calendar.HOUR_OF_DAY) + ":" + m_cal.get(Calendar.MINUTE) + ":" + m_cal.get(Calendar.SECOND); return strNowtime; } /** * 获得当前时间，格式yyyy-MM-dd hh:mm:ss * * @param format * @return */ public static String getCurrentDateTime() { return getCurrentDate("yyyy-MM-dd HH:mm:ss"); } /** * 获得当前时间，格式自定义 * * @param format * @return */ public static String getCurrentDate(String format) { Calendar day = Calendar.getInstance(); day.add(Calendar.DATE, 0); SimpleDateFormat sdf = new SimpleDateFormat(format);// "yyyy-MM-dd" String date = sdf.format(day.getTime()); return date; } /** * 获得昨天时间，格式自定义 * * @param format * @return */ public static String getYesterdayDate(String format) { Calendar day = Calendar.getInstance(); day.add(Calendar.DATE, -1); SimpleDateFormat sdf = new SimpleDateFormat(format);// "yyyy-MM-dd" String date = sdf.format(day.getTime()); return date; } /** * @param date1 * 需要比较的时间 不能为空(null),需要正确的日期格式 ,如：2009-09-12 * @param date2 * 被比较的时间 为空(null)则为当前时间 * @param stype * 返回值类型 0为多少天，1为多少个月，2为多少年 * @return 举例： compareDate("2009-09-12", null, 0);//比较天 * compareDate("2009-09-12", null, 1);//比较月 * compareDate("2009-09-12", null, 2);//比较年 */ public static int compareDate(String startDay, String endDay, int stype) { int n = 0; String[] u = { "天", "月", "年" }; String formatStyle = stype == 1 ? "yyyy-MM" : "yyyy-MM-dd"; endDay = endDay == null ? getCurrentDate("yyyy-MM-dd") : endDay; DateFormat df = new SimpleDateFormat(formatStyle); Calendar c1 = Calendar.getInstance(); Calendar c2 = Calendar.getInstance(); try { c1.setTime(df.parse(startDay)); c2.setTime(df.parse(endDay)); } catch (Exception e3) { System.out.println("wrong occured"); } // List list = new ArrayList(); while (!c1.after(c2)) { // 循环对比，直到相等，n 就是所要的结果 // list.add(df.format(c1.getTime())); // 这里可以把间隔的日期存到数组中 打印出来 n++; if (stype == 1) { c1.add(Calendar.MONTH, 1); // 比较月份，月份+1 } else { c1.add(Calendar.DATE, 1); // 比较天数，日期+1 } } n = n - 1; if (stype == 2) { n = (int) n / 365; } // System.out.println(startDay+" -- "+endDay+" 相差多少"+u[stype]+":"+n); return n; } /** * 判断时间是否符合时间格式 */ public static boolean isLegalDateString(String date, String dateFormat) { if (date != null) { java.text.SimpleDateFormat format = new java.text.SimpleDateFormat( dateFormat); format.setLenient(false); try { format.format(format.parse(date)); } catch (ParseException e) { return false; } return true; } return false; } /** * 实现给定某日期，判断是星期几 date:必须yyyy-MM-dd格式 */ public static String getWeekday(String date) { SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd"); SimpleDateFormat sdw = new SimpleDateFormat("E"); Date d = null; try { d = sd.parse(date); } catch (ParseException e) { e.printStackTrace(); } return sdw.format(d); } /** * 用来全局控制 上一周，本周，下一周的周数变化 */ private static int weeks = 0; /** * 获得当前日期与本周一相差的天数 */ private static int getMondayPlus() { Calendar cd = Calendar.getInstance(); // 获得今天是一周的第几天，星期日是第一天，星期二是第二天...... int dayOfWeek = cd.get(Calendar.DAY_OF_WEEK); if (dayOfWeek == 1) return -6; else return 2 - dayOfWeek; } /** * 获得本周星期一的日期 */ public static String getCurrentMonday(String format) { weeks = 0; int mondayPlus = getMondayPlus(); Calendar currentDate = Calendar.getInstance(); currentDate.add(Calendar.DATE, mondayPlus); SimpleDateFormat sdf = new SimpleDateFormat(format);// "yyyy-MM-dd" String date = sdf.format(currentDate.getTime()); return date; } /** * 获得上周星期一的日期 */ public static String getPreviousMonday(String format) { weeks--; int mondayPlus = getMondayPlus(); Calendar currentDate = Calendar.getInstance(); currentDate.add(GregorianCalendar.DATE, mondayPlus + 7 * weeks); SimpleDateFormat sdf = new SimpleDateFormat(format);// "yyyy-MM-dd" String date = sdf.format(currentDate.getTime()); return date; } /** * 获得下周星期一的日期 */ public static String getNextMonday(String format) { weeks++; int mondayPlus = getMondayPlus(); // GregorianCalendar currentDate = new GregorianCalendar(); Calendar currentDate = Calendar.getInstance(); currentDate.add(GregorianCalendar.DATE, mondayPlus + 7 * weeks); SimpleDateFormat sdf = new SimpleDateFormat(format);// "yyyy-MM-dd" String date = sdf.format(currentDate.getTime()); return date; } /** * 获得相应周的周日的日期 此方法必须写在getCurrentMonday，getPreviousMonday或getNextMonday方法之后 */ public static String getSunday(String format) { int mondayPlus = getMondayPlus(); Calendar currentDate = Calendar.getInstance(); currentDate.add(Calendar.DATE, mondayPlus + 7 * weeks + 6); SimpleDateFormat sdf = new SimpleDateFormat(format);// "yyyy-MM-dd" String date = sdf.format(currentDate.getTime()); return date; } /** * method 将字符串类型的日期转换为一个timestamp（时间戳记java.sql.Timestamp） * * @param dateString * 需要转换为timestamp的字符串 * @return dataTime timestamp */ public final static java.sql.Timestamp string2Time(String dateString) { DateFormat dateFormat; dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.ENGLISH);// 设定格式 dateFormat.setLenient(false); java.util.Date date = null; try { date = dateFormat.parse(dateString); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } // java.sql.Timestamp dateTime = new java.sql.Timestamp(date.getTime()); return new java.sql.Timestamp(date.getTime());// Timestamp类型,timeDate.getTime()返回一个long型 } /** * method 将字符串类型的日期转换为一个Date（java.sql.Date） * * @param dateString * 需要转换为Date的字符串 * @return dataTime Date */ public final static java.sql.Date string2Date(String dateString) { DateFormat dateFormat; dateFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH); dateFormat.setLenient(false); java.util.Date date = null; try { date = dateFormat.parse(dateString); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } // java.sql.Date dateTime = new java.sql.Date(date.getTime());// sql类型 return new java.sql.Date(date.getTime()); } // 记录考勤， 记录迟到、早退时间 public static String getState() { String state = "正常"; DateFormat df = new SimpleDateFormat("HH:mm:ss"); Date d = new Date(); try { Date d1 = df.parse("08:00:00"); Date d2 = df.parse(df.format(d)); Date d3 = df.parse("18:00:00"); int t1 = (int) d1.getTime(); int t2 = (int) d2.getTime(); int t3 = (int) d3.getTime(); if (t2 < t1) { long between = (t1 - t2) / 1000;// 除以1000是为了转换成秒 long hour1 = between % (24 * 3600) / 3600; long minute1 = between % 3600 / 60; state = "迟到 ：" + hour1 + "时" + minute1 + "分"; } else if (t2 < t3) { long between = (t3 - t2) / 1000;// 除以1000是为了转换成秒 long hour1 = between % (24 * 3600) / 3600; long minute1 = between % 3600 / 60; state = "早退 ：" + hour1 + "时" + minute1 + "分"; } return state; } catch (Exception e) { return state; } } /** * 数值型的时间改为字符串型时间 * * @param time * @return */ public static String getTime(long time) { try { Date date = new Date(time); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// String strdate = sdf.format(date); return strdate; } catch (Exception e) { e.printStackTrace(); return "0"; } } /** * 传入"yyyy-MM-dd HH:mm:ss"格式字符串,传出从1970 年~~~ 至dateString表示时刻之间的ms。 * @return */ public static long getTimeMillis(String dateString){ long timeMillis = 0; SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); try { Date date= sdf.parse(dateString); timeMillis = date.getTime(); } catch (ParseException e) { } return timeMillis; } /** * 获得后N天的时间，格式自定义 * * @param format * @return */ public static String getDelayDayDate(String format,int delay) { Calendar day = Calendar.getInstance(); day.add(Calendar.DATE, delay); SimpleDateFormat sdf = new SimpleDateFormat(format);// "yyyy-MM-dd" String date = sdf.format(day.getTime()); return date; } /** * 获得后N小时的时间，格式自定义 * @param format * @param delay * @return */ public static String getDelayHourDate(String format,int delay){ Calendar day = Calendar.getInstance(); day.add(Calendar.HOUR, delay); SimpleDateFormat sdf = new SimpleDateFormat(format);// "yyyy-MM-dd" String date = sdf.format(day.getTime()); return date; } /** * @param date1 * 需要比较的时间 不能为空(null),需要正确的日期格式 ,如：2009-09-12 16:24 * @param date2 * 被比较的时间 为空(null)则为当前时间 * @param stype 0为比较小时，1为比较分钟。 * @return */ public static int compareTime(String startDay, String endDay,int stype) { int n = 0; String formatStyle = "yyyy-MM-dd HH:mm"; endDay = endDay == null ? getCurrentDate("yyyy-MM-dd HH:mm") : endDay; DateFormat df = new SimpleDateFormat(formatStyle); Calendar c1 = Calendar.getInstance(); Calendar c2 = Calendar.getInstance(); try { c1.setTime(df.parse(startDay)); c2.setTime(df.parse(endDay)); } catch (Exception e3) { System.out.println("wrong occured"); } // List list = new ArrayList(); while (!c1.after(c2)) { // 循环对比，直到相等，n 就是所要的结果 // list.add(df.format(c1.getTime())); // 这里可以把间隔的日期存到数组中 打印出来 n++; if(stype == 0){ c1.add(Calendar.HOUR, 1); // 比较月份，月份+1 }else{ c1.add(Calendar.MINUTE, 1); // 比较月份，月份+1 } } n = n - 1; return n; } /** * 获取词典（牛津英汉词典）音标的信息 */ public static String getYin(String content) { String result=""; String reg="<font color=([\"'])#F17D1F([\"']) size=4>(?:.*?)</font>"; //String str="<td class=\"longtd\" title=\"VRBZ3\">VRBZ3</td>"; String str="<font color=red>china</font><font color=green>china</font>"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(content); int i=1; while(m.find()){ System.out.println(m.group(0)); result=result+"<br>"+"<font color=#F17D1F>"+i+"</font>"+m.group(0).replaceAll("size=4", "style=\"font-family:Arial Unicode Ms\";"); i++; } if(i==2) { String r="<font color=#F17D1F>"; int x=result.indexOf(r); result=result.substring(x+r.length()+1); } return result; } /** * 获取词典（字典）中的信息、 */ public static String getFont(String content) { String result=""; String reg="(?:.*?)<br>"; //String str="<td class=\"longtd\" title=\"VRBZ3\">VRBZ3</td>"; String str="你<br>nǐ<br>称对方，多称指一个人，有时也指称若干人：你厂。你方。<br>泛指任何人：你死我活。<br>您<br><br>笔画数：7；<br>部首：亻；<br>笔顺编号：3235234<br><br><br>"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(content); int i=1; while(m.find()){ System.out.println(m.group(0)); if(!m.group(0).equals("<br>")) { result=result+i+"、 "+m.group(0); i++; } } return result; } public static String getDemo(String color,String content) { String result=""; String reg="<font color="+color+">(?:.*?)</font>"; //String str="<td class=\"longtd\" title=\"VRBZ3\">VRBZ3</td>"; String str="<font color=red>china</font><font color=green>china</font>"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(content); if(color.equals("blue")) { int i=1; while(m.find()){ System.out.println(m.group(0)); result=result+"<br> <font color=blue>"+i+" </font>"+m.group(0).replaceAll("size=4", ""); i++; } } else { while(m.find()){ System.out.println(m.group(0)); result=result+"<br>"+m.group(0).replaceAll("size=4", ""); } } return result; } public static String getUse(String content) { String result=""; String reg="</font>(?:.*?)<br>"; //String str="<td class=\"longtd\" title=\"VRBZ3\">VRBZ3</td>"; String str="<font color=red>china</font><font color=green>china</font>"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(content); while(m.find()){ System.out.println(m.group(0)); result=result+m.group(0).replaceAll("size=4", ""); } return result; } public static String[] getContent(String content,String prefex) { String result[]=new String[3]; String reg=prefex+"(?:.*?)</div>"; //String str="<td class=\"longtd\" title=\"VRBZ3\">VRBZ3</td>"; String str="<font color=red>china</font><font color=green>china</font>"; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(content); int count=0; while(m.find()){ if(count<3) { result[count]=m.group(0); } count++; } return result; } public static boolean getContent(String content,String prefex,String reg) { boolean result=false; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(content); while(m.find()){ result=true; } return result; } public static String getC(String content,String prefex) { System.out.println("未处理的t内容"+content); int start=content.indexOf(prefex); String result=""; if(start!=-1) { result=content.substring(start, content.length()-1); return result.replaceAll("</div>","")+"</div>"; } else { result=content; return result; } } public static String getContent(String content) { String s_content[]=new String[2]; for(int i=0;i<2;i++) { s_content[i]=content; } String v=getContent(s_content[0],"<div id=v>")[0]; String c=getContent(s_content[1],"<div id=c>")[0]; if(!getContent(c, "<div id=c>", "[\u4E00-\u9FA5]")) { c=getC(s_content[1],"<div id=c>"); } return c+v; } public static String replaceTag(String content) { return content.replaceAll("<br>", " ").replaceAll("bword://", "").replaceAll("\\\\n", "").replaceAll("<img.*>.*</img>","").replaceAll("<img.*/>",""); } /** * 获取现在时间 * @return返回字符串格式 yyyy-MM-dd HH:mm:ss */ public static String getStringDate() { Date currentTime = new Date(); SimpleDateFormat formatter = new SimpleDateFormat("M月d日"); String dateString = formatter.format(currentTime); return dateString; } public static String getNum(String content) { String result=""; String reg="(?:.*?)。"; //String str="<td class=\"longtd\" title=\"VRBZ3\">VRBZ3</td>"; String str="（１）在体积、面积、数量、力量、强度等方面不及一般的或不及比较的对象（跟‘大’相对）：～河｜鞋～了点儿｜我比你～一岁｜声音太～。（２）短时间地：～坐｜～住。（３）排行最末的：～儿子｜他是我的～弟弟。（４）年纪小的人：一家大～｜上有老，下有～。（５）指妾①。（６）谦辞，称自己或与自己有关的人或事物：～弟｜～店。 …小白菜＠（～ "; Pattern p=Pattern.compile(reg); Matcher m=p.matcher(content); while(m.find()){ if(m.group(0).length()>3) { System.out.println(m.group(0)); result=result+m.group(0)+"<br>"; } else { result=content; } } if(result.length()==0) { result=content; } return result; } /** * @param args * @return * @return */ public static String getContentSource(String contentSource,String tag,String tagId,int wordSize) { Document doc; String linkText=""; //System.out.println("未处理的文本内容:"+contentSource); try { doc = Jsoup.parse(contentSource); Element content = doc.getElementById(tagId); if(content!=null){ Elements texts = content.select(tag + "[id=" + tagId + "]"); for (Element link : texts) { linkText = linkText + link.text(); } } else { Element t = doc.getElementById("t"); if(t!=null){ Elements texts = t.select("div[id=t]"); for (Element link : texts) { linkText = linkText + link.text(); } } else { linkText=contentSource; } } } catch (Exception e) { e.printStackTrace(); } //System.out.println("得到的文本内容："+linkText); if(linkText.length()>300) { linkText=linkText.substring(0, wordSize)+"..."; } return linkText; } public static String getContentText(String contentSource,String tag,String tagId) { Document doc; String linkText=""; //System.out.println("未处理的文本内容:"+contentSource); try { doc = Jsoup.parse(contentSource); Element content = doc.getElementById(tagId); if(content!=null){ Elements texts = content.select(tag + "[id=" + tagId + "]"); for (Element link : texts) { linkText = linkText + link.text(); } } } catch (Exception e) { e.printStackTrace(); } //System.out.println("得到的文本内容："+linkText); return linkText; } /** * 得到div id=m的内容 * @param contentSource * @param tag * @param tagId * @return */ public static String getContentSourceOfm(String contentSource,String tag,String tagId) { Document doc; String linkText=""; //System.out.println("未处理的文本内容:"+contentSource); try { doc = Jsoup.parse(contentSource); Element content = doc.getElementById(tagId); if(content!=null){ Elements texts = content.select(tag + "[id=" + tagId + "]"); for (Element link : texts) { linkText = linkText + link.text(); } } else { Element t = doc.getElementById("t"); if(t!=null){ Elements texts = t.select("div[id=t]"); for (Element link : texts) { linkText = linkText + link.text(); } } else { linkText=contentSource; } } } catch (Exception e) { e.printStackTrace(); } //System.out.println("得到的文本内容："+linkText); if(linkText.length()>300) { linkText=linkText.substring(0, 300)+"..."; } return linkText; } public static boolean isHasRelativeWordlink(String content,String tag) { if(content.contains(tag)) { return true; } else { return false; } } /** * 得到相关词条的解释 * @param content * @param request * @param tag * @return */ public static String getRelativeWordlink(String content,HttpServletRequest request,String tag) { String param[]=content.split(tag); //URLEncoder encoder=null; content="参考词条：<a href="+request.getContextPath()+"/baikeSearchRelative.trs?searchWord="+param[1].replaceAll("\\\\n", "")+" target=\"_blank\">"+param[1].replaceAll("\\\\n", "")+"</a>"; return content; } /** * 得到相关词条的解释 * @param content * @param request * @param tag * @return */ public static DicDataModel getRelativeWordContent(String content,String tag,int type) { String param[]=content.split(tag); //URLEncoder encoder=null; DicDataModel dataModel=null; AppPhrasseDataResult appPhrasseDataResult=null; appPhrasseDataResult=new AppPhrasseDataResult(); try { dataModel=appPhrasseDataResult.getBaikeInfo("TB_BAIKE", "name="+param[1].replaceAll("\\\\n", "")); } catch (Exception e) { e.printStackTrace(); } if(type==0) { dataModel.setContent(DateUtil.getContentSource(dataModel.getContent(), "", "c",300),new Boolean("true")); } else { dataModel.setContent(dataModel.getContent(),new Boolean("true")); } return dataModel; } /** * 将相关词条添加到字符串数组中 * @param contentSource * @param request * @return */ public static String[] getRelativeWordlink(String contentSource,HttpServletRequest request) {Document doc; String relativeWord[]=null; int count=0; try { doc = Jsoup.parse(contentSource); Element content = doc.getElementById("m"); //Elements links = content.getElementsByTag("td"); if(content!=null){ Elements links = content.select("a"); relativeWord=new String[links.size()]; for (Element link : links) { String linkText = link.text(); if(linkText.contains("@")) { relativeWord[count]=linkText; } count++; } } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return relativeWord; } /** * 将相关词条的细缆页链接加上 * @param content * @param relativeWord * @param request * @return */ public static String replaceRelativeWord(String content,String relativeWord[],HttpServletRequest request) { for(int i=0;i<relativeWord.length;i++) { String c=relativeWord[i]; if(StringUtils.isNotEmpty(c)) { String r=relativeWord[i].substring(1); content=content.replaceFirst(r, request.getContextPath()+"/baikeSearchRelative.trs?searchWord="+r); } } return content; } /** * 得到词条的目录链接： * 默认取前5条链接 * @param content * @return */ public static String getLink(String contentSource, String linkContent,int count,String tag) { Document doc; String linkText = ""; try { doc = Jsoup.parse(contentSource); Element content = doc.getElementById(tag); if(content!=null){ Elements links = content.select("p"); int i=1; for (Element link : links) { String href=getChildlink(link.outerHtml()); if(StringUtils.isNotEmpty(href)) { linkText = linkText +"<p>"+href+"</p>"; } if(i==count) { break; } i++; } /*if(i<count) { linkText = linkText+getLinkOfm(linkContent, count-i,"m"); }*/ } else { linkText=contentSource; } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return linkText; } /** * 链接的数量不足时增加m标签的内容 * @param contentSource * @param linkContent * @param count * @param tag * @return */ public static String getLinkOfm(String linkContent,int count,String tag) { Document doc; String linkText = ""; try { doc = Jsoup.parse(linkContent); Element content = doc.getElementById(tag); if(content!=null){ Elements links = content.select("p"); int i=0; for (Element link : links) { linkText = linkText +"<p>"+ getChildlink(link.outerHtml())+"</p>"; if(i==count) { break; } i++; } } else { linkText=linkContent; } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return linkText; } /** * 获取链接的子链接的第一个链接 * @param contentSource * @return */ public static String getChildlink(String contentSource) { Document doc; String linkText = null; try { doc = Jsoup.parse(contentSource); Elements links = doc.select("a"); if (links != null) { int i = 0; for (Element link : links) { if (i == 0) { linkText = link.outerHtml(); } i++; } } else { linkText = contentSource; } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return linkText; } public static int getNowTime(int type){ Calendar m_cal = Calendar.getInstance(); if(type==1) { return m_cal.get(Calendar.MONTH)+1; } else return m_cal.get(Calendar.DAY_OF_MONTH); } public static void main(String[] args) { System.out.println(getContentText("<div id=t><p></div>\n","div","t")); } } 0 0
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