springMVC全面覆盖示例

/* * Class Utils * $Revision: 1.5 $ * $Date: 2008/05/04 03:08:22 $ */ package org.mycos.base; import java.io.File; import java.io.IOException; import java.io.Writer; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.HashMap; import java.util.Locale; import java.util.Map; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @SuppressWarnings({"unchecked","unused","deprecation"}) public class Utils { /** * 随机值种子 */ private static final char[] RANDOMSEED = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' }; /** * 文件上传目录 依次为:头像,表情,附件 */ private static String[] FOLDER = { "/file/head", "/file/emotions", "/file/attachment" }; /** * yyyy-MM-dd kk:mm:ss字串转成时间 * * @param dateString * @return * @throws java.text.ParseException */ public final static java.sql.Timestamp string2Time(String dateString) throws java.text.ParseException { DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd kk:mm:ss", Locale.ENGLISH); dateFormat.setLenient(false); java.util.Date timeDate = dateFormat.parse(dateString); java.sql.Timestamp dateTime = new java.sql.Timestamp(timeDate.getTime()); return dateTime; } public final static String getNowDateTime() { return Date2StringTime(new java.util.Date()); } /** * yyyy-MM-dd字串转成时间 * * @param dateString * @return * @throws java.lang.Exception */ public final static java.sql.Date string2Date(String dateString) throws java.lang.Exception { java.sql.Date dateTime = null; DateFormat dateFormat; if (dateString == null) { return null; } if (dateString.split("-").length == 1) { dateFormat = new SimpleDateFormat("yyyy", Locale.ENGLISH); dateFormat.setLenient(false); java.util.Date timeDate = dateFormat.parse(dateString); dateTime = new java.sql.Date(timeDate.getTime()); return dateTime; } if (dateString.split("-").length == 2) { dateFormat = new SimpleDateFormat("yyyy-MM", Locale.ENGLISH); dateFormat.setLenient(false); java.util.Date timeDate = dateFormat.parse(dateString); dateTime = new java.sql.Date(timeDate.getTime()); return dateTime; } if (dateString.split("-").length == 3) { dateFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.ENGLISH); dateFormat.setLenient(false); java.util.Date timeDate = dateFormat.parse(dateString); dateTime = new java.sql.Date(timeDate.getTime()); return dateTime; } if (dateString.split("-").length > 3) { return null; } return dateTime; } /** * 时间（sql.Date）转成yyyy-MM-dd * * @param date * @return */ public final static String Date2String(java.sql.Date date) { if (date == null || "".equals(date)) return null; SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); return formatter.format(date); } /** * 时间（util.Date）转成yyyy-MM-dd * * @param date * @return */ public final static String Date2String(java.util.Date date) { if (date == null || "".equals(date)) return null; SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); return formatter.format(date); } /** * 时间（util.Date）转成yyyy-MM-dd KK:mm:ss" * * @param date * @return */ public final static String Date2StringTime(java.util.Date date) { if (date == null || "".equals(date)) return null; SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd KK:mm:ss"); return formatter.format(date); } /** * 返回中文日期:yyyy年MM月dd日 */ public final static String Date2Stringzhcn(java.util.Date date) { if (date == null || "".equals(date)) return null; SimpleDateFormat formatter = new SimpleDateFormat("yyyy年MM月dd日"); return formatter.format(date); } /** * 返回中文日期:yyyy年MM月dd日 周X KK:mm a */ public final static String Date2Stringzhcnall(java.util.Date date) { if (date == null || "".equals(date)) return null; SimpleDateFormat formatter = new SimpleDateFormat("yyyy年MM月dd日"); String str = formatter.format(date); str += " " + Date2Weekzhcn(date) + " - "; formatter = new SimpleDateFormat("KK:mm a"); str += formatter.format(date); return str; } /** * 返回中文周几 */ public final static String Date2Weekzhcn(java.util.Date date) { if (date == null || "".equals(date)) return null; int i = date.getDay(); String str = ""; String dayNames[] = { "周日", "周一", "周二", "周三", "周四", "周五", "周六" }; // 0 = Sunday, 1 = Monday, 2 = Tuesday, 3 = Wednesday, 4 = Thursday, 5 = // Friday, 6 = Saturday // 也可以 // Calendar calendar = Calendar.getInstance(); // calendar.setTime(date); // int dayOfWeek = calendar.get(Calendar.DAY_OF_WEEK); // str = dayNames[dayOfWeek - 1]; str = dayNames[i]; return str; } /** * 返回date1是date2的前多少天 * * @param date1 * @param date2 * @return */ public static int diffdates(java.util.Date date1, java.util.Date date2) { int elapsed = 0; if (date1 == null || "".equals(date1) || date2 == null || "".equals(date2)) return 0; GregorianCalendar gc1 = new GregorianCalendar(); GregorianCalendar gc2 = new GregorianCalendar(); if (date2.after(date1)) { gc1.setTime(date1); gc2.setTime(date2); } else { gc1.setTime(date2); gc2.setTime(date1); } gc1.clear(Calendar.MILLISECOND); gc1.clear(Calendar.SECOND); gc1.clear(Calendar.MINUTE); gc1.clear(Calendar.HOUR_OF_DAY); gc2.clear(Calendar.MILLISECOND); gc2.clear(Calendar.SECOND); gc2.clear(Calendar.MINUTE); gc2.clear(Calendar.HOUR_OF_DAY); while (gc1.before(gc2)) { gc1.add(Calendar.DATE, 1); elapsed++; } return elapsed; } /** * 给时间加amount天 * * @param date * @param amount * @return */ public static java.sql.Date addDate(java.util.Date date, int amount) { if (date == null) return null; GregorianCalendar gc = new GregorianCalendar(); gc.setTime(date); gc.add(GregorianCalendar.DATE, amount); return new java.sql.Date(gc.getTime().getTime()); } /** * compareTime是否在startTime和endTime之内或相等（startTime，endTime可以无视前后顺序） * * @param compareTime * @param startTime * @param endTime * @return */ public static boolean compareTime(java.util.Date compareTime, java.util.Date startTime, java.util.Date endTime) { java.util.Date st = null; java.util.Date et = null; boolean res = false; if (compareTime != null && startTime != null && endTime != null) { if (endTime.before(startTime)) { et = startTime; st = endTime; } else { et = endTime; st = startTime; } if (compareTime.compareTo(et) == 0 || compareTime.compareTo(st) == 0) { res = true; } else if (compareTime.after(st) && compareTime.before(et)) { res = true; } } return res; } /** * 得到当天0：0：0的date对象 */ public static Date getCurDate() throws Exception { String s = Date2String(new java.util.Date()); return string2Date(s); } /** * 得到当天yyyy-mm-dd hh:mm:ss的String对象 */ public static String getTodaystr() { try { return Date2StringTime(new java.util.Date()); } catch (Exception e) {