基于Java的酒店管理系统源码(毕业设计 JAVA J2EE)

package com.tianyi.yw.common.utils; import java.awt.geom.Point2D; import java.beans.BeanInfo; import java.beans.Introspector; import java.beans.PropertyDescriptor; import java.io.File; import java.io.IOException; import java.lang.reflect.Method; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Random; import java.util.TimeZone; import java.util.UUID; import java.util.regex.Matcher; import java.util.regex.Pattern; import javax.servlet.http.HttpServletRequest; import org.apache.commons.beanutils.PropertyUtils; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.methods.MultipartPostMethod; import org.apache.commons.httpclient.methods.multipart.FilePart; import org.apache.commons.httpclient.methods.multipart.StringPart; import org.apache.commons.lang.RandomStringUtils; import org.apache.commons.lang.StringUtils; /** * @author Leo * */ public class CommonUtil { /** * 将class转换为Map，当class为null或者异常的时候，返回new HashMap * * @param obj * @return Map<String, Object> */ @SuppressWarnings("unchecked") public static Map<String, Object> classToMap(Object obj) { if (obj == null) { return new HashMap<String, Object>(); } else { try { return PropertyUtils.describe(obj); } catch (Exception e) { e.printStackTrace(); return new HashMap<String, Object>(); } } } /** * 返回6位随机密码 * * @return */ public static String getRandomPassword() { return RandomStringUtils.random(6, true, true); } /** * 将数组转换成字符串 * * @param array * @return */ public static String arrayToString(Object[] array) { StringBuffer str = new StringBuffer("{"); if (array != null) { for (int i = 0; i < array.length; i++) { str.append(array[i]); if (i != array.length - 1) { str.append(","); } } } str.append("}"); return str.toString(); } /** * 从ISO编码字符串转换为GBK * * @param str * @return */ public static String getGBStr(String str) { if (str == null || str.trim().equalsIgnoreCase("")) return null; try { String temp_p = str; String temp = new String(temp_p.getBytes("ISO8859_1"), "GBK"); return temp; } catch (Exception e) { return null; } } /** * 从GBK编码字符串转换为UTF-8 * * @param str * @return */ public static String getUtf8Str(String str) { if (str == null || str.trim().equalsIgnoreCase("")) return null; try { String temp_p = str; String temp = new String(temp_p.getBytes("GBK"), "UTF-8"); return temp; } catch (Exception e) { return null; } } /** * 生成随机数 * * @param int * @return */ public static String getRandom(int count) { String sRand = ""; Random random = new Random(); for (int i = 0; i < count; i++) { String rand = String.valueOf(random.nextInt(10)); sRand += rand; } return sRand; } public static String getNotNullStr(String param) { if (param == null) { return ""; } return param; } public static String getFileType(String fileFullName) { if (StringUtils.isNotBlank(fileFullName)) { int start = StringUtils.lastIndexOf(fileFullName, "."); return StringUtils.substring(fileFullName, start + 1, fileFullName.length()); } else { return ""; } } public static String getFileName(String fileFullName) { if (StringUtils.isNotBlank(fileFullName)) { int start = StringUtils.lastIndexOf(fileFullName, "."); return StringUtils.substring(fileFullName, 0, start); } else { return ""; } } public static String getDateFormat(Date date) { if (date != null) { SimpleDateFormat dateformat = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss"); String resultDateStr = dateformat.format(date); return resultDateStr; } else { return ""; } } public static String getDateFormat(Date date, String format) { if (date != null) { SimpleDateFormat dateformat = new SimpleDateFormat(format); String resultDateStr = dateformat.format(date); return resultDateStr; } else { return ""; } } public static Date parse(String date, SimpleDateFormat format) { if (StringUtils.isEmpty(date)) { return null; } try { return format.parse(date); } catch (ParseException e) { e.printStackTrace(); return null; } } public static int isPicture(String fileName) { String fileType = CommonUtil.getFileType(fileName); if (StringUtils.equalsIgnoreCase(fileType, "BMP") || StringUtils.equalsIgnoreCase(fileType, "GIF") || StringUtils.equalsIgnoreCase(fileType, "JPEG") || StringUtils.equalsIgnoreCase(fileType, "JPG") || StringUtils.equalsIgnoreCase(fileType, "PNG")) { return 0; } else if (StringUtils.equalsIgnoreCase(fileType, "AMR")) { return 2; } else { return 1; } } public static int isWord(String fileName) { String fileType = CommonUtil.getFileType(fileName); if (StringUtils.equalsIgnoreCase(fileType, "DOC") || StringUtils.equalsIgnoreCase(fileType, "DOCX")) { return 0; } else { return 1; } } public static int isExcel(String fileName) { String fileType = CommonUtil.getFileType(fileName); if (StringUtils.equalsIgnoreCase(fileType, "XLS") || StringUtils.equalsIgnoreCase(fileType, "XLSX")) { return 0; } else { return 1; } } public static int isZip(String fileName) { String fileType = CommonUtil.getFileType(fileName); if (StringUtils.equalsIgnoreCase(fileType, "ZIP") || StringUtils.equalsIgnoreCase(fileType, "RAR") || StringUtils.equalsIgnoreCase(fileType, "7Z")) { return 0; } else { return 1; } } public static int isVideo(String fileName) { String fileType = CommonUtil.getFileType(fileName); if (StringUtils.equalsIgnoreCase(fileType, "3GP") || StringUtils.equalsIgnoreCase(fileType, "MP4")) { return 0; } else { return 1; } } public static int isOther(String infileType, String fileName) { String fileType = CommonUtil.getFileType(fileName); if (StringUtils.equalsIgnoreCase(fileType, infileType.toUpperCase()) || StringUtils.equalsIgnoreCase(fileType, infileType.toUpperCase())) { return 0; } else { return 1; } } public static String getSystemPath(HttpServletRequest request) { System.out.println(request.getServerName() + ":::" + request.getRemoteAddr()); if (!request.getServerName().startsWith("www")) { return request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + request.getContextPath(); } else { return request.getScheme() + "://" + request.getServerName() + request.getContextPath(); } } public static boolean isMobile(String str) { Pattern p = null; Matcher m = null; boolean b = false; p = Pattern.compile("^[1][3,5,7,8][0-9]{9}$"); // 验证手机号 m = p.matcher(str); b = m.matches(); return b; } public static String postFile(String actionUrl, Map<String, String> map, Map<String, File> fileMap) throws IOException { String resultStr = ""; HttpClient client = new HttpClient(); // client.getHttpConnectionManager().getParams().setConnectionTimeout(60); // client.getHttpConnectionManager().getParams().setSoTimeout(60); String BOUNDARY = java.util.UUID.randomUUID().toString(); String MULTIPART_FROM_DATA = "multipart/form-data"; MultipartPostMethod postMethod = new MultipartPostMethod(actionUrl); postMethod.setRequestHeader("Content-type", MULTIPART_FROM_DATA + ";bo