Android工具類，一些方法電話正則，是否為空，日期格式化，星期，車牌，身份證校驗，設定地區編碼，驗證日期字串是否是YYYY-MM-DD格式，判斷字串是否為數字
阿新 • • 發佈：2019-02-18
import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.Hashtable; import java.util.regex.Matcher; import java.util.regex.Pattern; public class StringUtils { public static boolean isEmpty(CharSequence str) { if (str == null || "".equals(str) || "null".equals(str) || "NULL".equals(str)) { return true; } return false; } public static boolean isPhoneNum(String inputText) { Pattern p = Pattern .compile("^((13[0-9])|(14[0-9])|(15[0-9])|(16[0-9])|(17[0-9])|(18[0-9]))\\d{8}$"); Matcher m = p.matcher(inputText); return m.matches(); } /** * 日期格式化 */ public static String getStringDateShort() { Date currentTime = new Date(); SimpleDateFormat formatter = new SimpleDateFormat("yyyy/MM/dd"); String dateString = formatter.format(currentTime); return dateString; } /** * 星期 */ public static String week() { Date date = new Date(); SimpleDateFormat dateFm = new SimpleDateFormat("EEEE"); String format = dateFm.format(date); return format; } /** * @param carName * 輸入的車牌 * @return * * 車牌的正則 */ public static boolean isCarCodeName(String carCodeName) { // Pattern p = Pattern.compile("^[\u4e00-\u9fa5]{1}[A-Z]{1}[A-Z_0-9]{5}$"); Pattern p = Pattern.compile("^[(\u4e00-\u9fa5)|(a-zA-Z)]{1}[a-zA-Z]{1}[a-zA-Z_0-9]{4,6}[a-zA-Z_0-9_\u4e00-\u9fa5]$"); Matcher m = p.matcher(carCodeName); return m.matches(); } /** * 身份證校驗工具 * * @author Gaoxueying */ // 身份證號碼驗證：start /** * 功能：身份證的有效驗證 * * @param IDStr * 身份證號 * @return 有效：返回"" 無效：返回String資訊 * @throws */ public static String IDCardValidate(String IDStr) throws ParseException { String errorInfo = "";// 記錄錯誤資訊 String[] ValCodeArr = { "1", "0", "x", "9", "8", "7", "6", "5", "4", "3", "2" }; String[] Wi = { "7", "9", "10", "5", "8", "4", "2", "1", "6", "3", "7", "9", "10", "5", "8", "4", "2" }; String Ai = ""; // ================ 號碼的長度 15位或18位 ================ if (IDStr.length() != 15 && IDStr.length() != 18) { errorInfo = "身份證號碼長度應該為15位或18位。"; return errorInfo; } // =======================(end)======================== // ================ 數字 除最後以為都為數字 ================ if (IDStr.length() == 18) { Ai = IDStr.substring(0, 17); } else if (IDStr.length() == 15) { Ai = IDStr.substring(0, 6) + "19" + IDStr.substring(6, 15); } if (isNumeric(Ai) == false) { errorInfo = "身份證15位號碼都應為數字 ; 18位號碼除最後一位外，都應為數字。"; return errorInfo; } // =======================(end)======================== // ================ 出生年月是否有效 ================ String strYear = Ai.substring(6, 10);// 年份 String strMonth = Ai.substring(10, 12);// 月份 String strDay = Ai.substring(12, 14);// 月份 if (isDataFormat(strYear + "-" + strMonth + "-" + strDay) == false) { errorInfo = "身份證生日無效。"; return errorInfo; } GregorianCalendar gc = new GregorianCalendar(); SimpleDateFormat s = new SimpleDateFormat("yyyy-MM-dd"); if ((gc.get(Calendar.YEAR) - Integer.parseInt(strYear)) > 150 || (gc.getTime().getTime() - s.parse( strYear + "-" + strMonth + "-" + strDay).getTime()) < 0) { errorInfo = "身份證生日不在有效範圍。"; return errorInfo; } if (Integer.parseInt(strMonth) > 12 || Integer.parseInt(strMonth) == 0) { errorInfo = "身份證月份無效"; return errorInfo; } if (Integer.parseInt(strDay) > 31 || Integer.parseInt(strDay) == 0) { errorInfo = "身份證日期無效"; return errorInfo; } // =====================(end)===================== // ================ 地區碼時候有效 ================ Hashtable h = GetAreaCode(); if (h.get(Ai.substring(0, 2)) == null) { errorInfo = "身份證地區編碼錯誤。"; return errorInfo; } // ============================================== // ================ 判斷最後一位的值 ================ int TotalmulAiWi = 0; for (int i = 0; i < 17; i++) { TotalmulAiWi = TotalmulAiWi + Integer.parseInt(String.valueOf(Ai.charAt(i))) * Integer.parseInt(Wi[i]); } int modValue = TotalmulAiWi % 11; String strVerifyCode = ValCodeArr[modValue]; Ai = Ai + strVerifyCode; if (IDStr.length() == 18) { if (Ai.equals(IDStr) == false) { errorInfo = "身份證無效，不是合法的身份證號碼"; return errorInfo; } } else { return ""; } // =====================(end)===================== return "right"; } /** * 功能：設定地區編碼 * * @return Hashtable 物件 */ private static Hashtable GetAreaCode() { Hashtable hashtable = new Hashtable(); hashtable.put("11", "北京"); hashtable.put("12", "天津"); hashtable.put("13", "河北"); hashtable.put("14", "山西"); hashtable.put("15", "內蒙古"); hashtable.put("21", "遼寧"); hashtable.put("22", "吉林"); hashtable.put("23", "黑龍江"); hashtable.put("31", "上海"); hashtable.put("32", "江蘇"); hashtable.put("33", "浙江"); hashtable.put("34", "安徽"); hashtable.put("35", "福建"); hashtable.put("36", "江西"); hashtable.put("37", "山東"); hashtable.put("41", "河南"); hashtable.put("42", "湖北"); hashtable.put("43", "湖南"); hashtable.put("44", "廣東"); hashtable.put("45", "廣西"); hashtable.put("46", "海南"); hashtable.put("50", "重慶"); hashtable.put("51", "四川"); hashtable.put("52", "貴州"); hashtable.put("53", "雲南"); hashtable.put("54", "西藏"); hashtable.put("61", "陝西"); hashtable.put("62", "甘肅"); hashtable.put("63", "青海"); hashtable.put("64", "寧夏"); hashtable.put("65", "新疆"); hashtable.put("71", "臺灣"); hashtable.put("81", "香港"); hashtable.put("82", "澳門"); hashtable.put("91", "國外"); return hashtable; } /** * 驗證日期字串是否是YYYY-MM-DD格式 * * @param str * @return */ public static boolean isDataFormat(String str) { boolean flag = false; // String // regxStr="[1-9][0-9]{3}-[0-1][0-2]-((0[1-9])|([12][0-9])|(3[01]))"; String regxStr = "^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\\s(((0?[0-9])|([1-2][0-3]))\\:([0-5]?[0-9])((\\s)|(\\:([0-5]?[0-9])))))?$"; Pattern pattern1 = Pattern.compile(regxStr); Matcher isNo = pattern1.matcher(str); if (isNo.matches()) { flag = true; } return flag; } /** * 功能：判斷字串是否為數字 * * @param str * @return */ private static boolean isNumeric(String str) { Pattern pattern = Pattern.compile("[0-9]*"); Matcher isNum = pattern.matcher(str); if (isNum.matches()) { return true; } else { return false; } } // 身份證號碼驗證：end private String getAlpha(String str) { if(StringUtils.isEmpty(str)) return "#"; String sortStr = str.trim().substring(0, 1).toUpperCase(); // 正則表示式，判斷首字母是否是英文字母 if (sortStr.matches("[A-Z]")) { return sortStr; } else { return "#"; } } }