/**  * 獲取當前的httpSession  * @return  */ public static HttpSession getSession() {  return getRequest().getSession(); } /**  * 手機號驗證  * @param str  * @return 驗證通過返回true  */ public static boolean isMobile(final String str) {   Pattern p = null;   Matcher m = null;   boolean b = false;   p = Pattern.compile("^[1][3,4,5,7,8][0-9]{9}$"); // 驗證手機號   m = p.matcher(str);   b = m.matches();   return b; } /**  * 電話號碼驗證  * @param str  * @return 驗證通過返回true  */ public static boolean isPhone(final String str) {   Pattern p1 = null, p2 = null;   Matcher m = null;   boolean b = false;   p1 = Pattern.compile("^[0][1-9]{2,3}-[0-9]{5,10}$"); // 驗證帶區號的   p2 = Pattern.compile("^[1-9]{1}[0-9]{5,8}$");     // 驗證沒有區號的   if (str.length() > 9) {     m = p1.matcher(str);     b = m.matches();   } else {     m = p2.matcher(str);     b = m.matches();   }   return b; } public static void main(String[] args) {  String phone = "13900442200";  String phone2 = "021-88889999";  String phone3 = "88889999";  String phone4 = "1111111111";  //測試1  if(isPhone(phone) || isMobile(phone)){   System.out.println("1這是符合的");  }  //測試2  if(isPhone(phone2) || isMobile(phone2)){   System.out.println("2這是符合的");  }  //測試3  if(isPhone(phone3) || isMobile(phone3)){   System.out.println("3這是符合的");  }  //測試4  if(isPhone(phone4) || isMobile(phone4)){   System.out.println("4這是符合的");  }else{   System.out.println("不符合");  } }