T恤爬虫项目.zip

package com.sjw.tool; import java.io.IOException; import java.math.BigDecimal; import java.text.DecimalFormat; import java.text.NumberFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.List; import java.util.Locale; import java.util.StringTokenizer; import java.util.regex.Pattern; /** * * * 标题：项目研发 * * 模块：公共部分 * * 公司: yyang * * 作者：xb，2009-3-5 * * 描述： * * 说明: * */ public class StrUtil { /** * 数字格式对象 */ private static NumberFormat formater = DecimalFormat.getInstance(); // 默认除法运算精度 private static final int DEF_DIV_SCALE = 10; /* * 在数字前补零，并返回相应的字符 weishu 补零后的字符长度 num 要补零的数字 例 String a=addZero(5,321); 得到 00321 */ public static String addZero(int weishu, int num) { /* int num=new Integer(num).intValue(); */ int len = Integer.toString(num).length(); if (len >= weishu) { return Integer.toString(num); } int i = 0; int j = weishu - len; String BH = ""; while (i < j) { BH = "0" + BH; i = i + 1; } BH = BH + Integer.toString(num); return BH; } /** * 对输入字符要求是字符或数字类型的有效性判断。 常用在口令上。 */ public static boolean checkIDpass(String aim) throws IOException { String num = "0123456789"; String lowcase = "abcdefghijklmnopqrstuvwxyz"; String upcase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; String single; int i; int length = aim.length(); int errnum; int errlow; int errup; for (i = 0; i < length; i++) { single = aim.substring(i, i + 1); errnum = num.indexOf(single); errlow = lowcase.indexOf(single); errup = upcase.indexOf(single); if (errnum == -1 && errlow == -1 && errup == -1) { return false; } } return true; } // 得到数字相除的余数。 // down 除数 up被除数 public static int getMod(float up, float down) throws IOException { int result = 0; float dev = up / down; result = (int) dev; // if(dev>result){result+=1;} result = dev > result ? result + 1 : result; return result; } /** * 字符串内容是否是一个时间 * * @param str * @return */ @SuppressWarnings("static-access") public static boolean isTime(String str) { try { java.sql.Time time = null; time = time.valueOf(str); return true; } catch (Exception e) { return false; } } /** * 字符串内容是否是一个日期 * * @param str * @return */ @SuppressWarnings("static-access") public static boolean isDate(String str) { try { if ((str == null) || (str.equals(""))) { return false; } else { str = str.trim(); } java.sql.Date date = null; date = date.valueOf(str); if (!str.equals(date.toString())) { return false; } return true; } catch (Exception e) { return false; } } /** * 字符串内容是否是一个整数 */ public static boolean isInteger(String str) throws NumberFormatException { try { if ((str == null) || (str.equals(""))) { return false; } else { str = str.trim(); } int thisInt = (new Integer(str)).intValue(); if (thisInt < 0) { return false; } else { return true; } } catch (Exception e) { return false; } } /** * 字符串内容是否是一个数字 * * @param str * @return * @throws NumberFormatException */ public static boolean isNumeric(String str) throws NumberFormatException { try { if ((str == null) || (str.equals(""))) { return false; } else { str = str.trim(); } @SuppressWarnings("unused") float thisfloat = (new Float(str)).floatValue(); return true; } catch (Exception e) { return false; } } /** * 根据关键字将字符串转为数组 * * @param Str * @param keyStr * @return */ @SuppressWarnings("unchecked") public static String[] toStringArray(String Str, String keyStr) { ArrayList sarr = new ArrayList(); int startIndex = Str.indexOf(keyStr); while (startIndex >= 0) { // 存在出现位置 String startString = Str.substring(0, startIndex); // 在这之前的字符 if (!startString.equals("")) { sarr.add(startString); } Str = Str.substring(startIndex + keyStr.length(), Str.length()); // 在这之后的字符 startIndex = Str.indexOf(keyStr); } if (Str.length() > 0) { sarr.add(Str); } int i = sarr.size(); String[] s = new String[i]; for (int j = 0; j < i; j++) { s[j] = (String) sarr.get(j); } return s; } /** * 字符替换方法 str 需要处理的字符串 suo 需要替换掉的字符串 des需要替换为的字符串 */ public static String replaceString(String Str, String Sou, String Des) { int startIndex; int endIndex; String startString; String endString; StringBuffer returnString = new StringBuffer(); if (Str == null) { Str = ""; returnString.append(Str); } else { while (true) { startIndex = Str.indexOf(Sou); if (startIndex >= 0) { // 存在出现位置 endIndex = startIndex + Sou.length(); // 结束位置 startString = Str.substring(0, startIndex); // 在这之前的字符 if (startString == null) { startString = ""; } endString = Str.substring(endIndex, Str.length()); // 在这之后的字符 if (endString == null) { endString = ""; } returnString.append(startString + Des); // 返回字符串 Str = endString; // 原字符串改为新串 } else { returnString.append(Str); break; } } } return returnString.toString(); } public static String replaceStringS(String str, String oldSubStr, String newSubStr) { if (str == null) { return str; } StringBuffer sb = new StringBuffer(); int i = 0; int j = 0; int len = oldSubStr.length(); while ((i = str.indexOf(oldSubStr, j)) != -1) { sb.append(str.substring(j, i)); sb.append(newSubStr); j = i + len; } sb.append(str.substring(j, str.length())); return sb.toString(); } /** * 本方法把一些需要屏蔽的字符串改为对应的中文字符。这样不会对页面显示造成错误 */ public static String replaceHtmlString(String str) { if (str == null) { str = ""; } else { str = str.trim(); str = replaceString(str, "<", "〈"); str = replaceString(str, ">", "〉"); str = replaceString(str, "'", "‘"); str = replaceString(str, "\"", "“"); } return str; } /** * 格式化数字字符 * * @param psParm * @param psFormat * @param psLocals * @return */ public static String formatNumber(String psParm, String psFormat, String psLocals) { psParm = String.valueOf(strTodouble(psParm)); if (psFormat.equals("") & psLocals.equals("")) { return psParm; } NumberFormat form; if (psLocals.equals("PERCENT")) { form = NumberFormat.getPercentInstance(Locale.CHINA); } else { if (psLocals.equals("CURRENCY")) { form = NumberFormat.getCurrencyInstance(Locale.CHINA); } else { form = NumberFormat.getInstance(Locale.CHINA); ((DecimalFormat) form).applyPattern(psFormat); } } return form.format(new Double(psParm)); } /** * 字符串转整形数字 * * @param s * @return * @exception IllegalArgumentException * if this method is invoked */ public static int stringToInt(String s) { try { return Integer.valueOf(s).intValue(); } catch (Exception e) { return -1; } } /** * 字符串转double * * @param s * @return */ public static double strTodouble(String s) { if (s == null || s.trim().length() <= 0) { return 0.0D; } s = s.trim(); String s1 = ""; String s2 = ""; int ie1 = s.indexOf('e'); if (ie1 < 0) { ie1 = s.indexOf('E'); } if (ie1 < 0) { s1 = s; } else { s1 = s.substring(0, ie1).trim(); s2 = s.substring(ie1 + 1).trim(); }