1 /**  2  *   3  */  4 package com.ssh.util;  5   6 import java.util.regex.Matcher;  7 import java.util.regex.Pattern;  8   9 /** 10  * @author leorain 11  * 12  */ 13 public class ValidateUtil { 14     /** 15      * 手机号验证 16      *  17      * @param  str 18      * @return 验证通过返回true 19      */ 20     public static boolean isMobile(String str) {  21         Pattern p = null; 22         Matcher m = null; 23         boolean b = false;  24         p = Pattern.compile("^[1][3,4,5,8][0-9]{9}$"); // 验证手机号 25         m = p.matcher(str); 26         b = m.matches();  27         return b; 28     } 29     /** 30      * 电话号码验证 31      *  32      * @param  str 33      * @return 验证通过返回true 34      */ 35     public static boolean isPhone(String str) {  36         Pattern p1 = null,p2 = null; 37         Matcher m = null; 38         boolean b = false;   39         p1 = Pattern.compile("^[0][1-9]{2,3}-[0-9]{5,10}$");  // 验证带区号的 40         p2 = Pattern.compile("^[1-9]{1}[0-9]{5,8}$");         // 验证没有区号的 41         if(str.length() >9) 42         {    m = p1.matcher(str); 43              b = m.matches();   44         }else{ 45             m = p2.matcher(str); 46              b = m.matches();  47         }   48         return b; 49     } 50     /** 51      * 日期格式验证 52      * @param str 53      * @return 验证通过返回true 54      * */ 55     public static boolean formateDate(String str){ 56         String eL= "^((\\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]))))))";    57         Pattern p = Pattern.compile(eL);    58         Matcher m = p.matcher(str);    59         boolean flag = m.matches();    60         return flag;    61         } 62      63     /** 64      * @param t 65      * @return 66      */ 67     public static <T extends java.util.Date> java.util.Date toUtil(T t){ 68         java.util.Date date = t; 69         return date; 70     } 71  72  73     enum Type { 74     DATE, TIME, TIMESTAMP 75     } 76     @SuppressWarnings("unchecked") 77     public static <T extends java.util.Date> T toSql(java.util.Date utilDate, 78             Type type) { 79         T t = null; 80         long millionSeconds = utilDate.getTime(); 81  82         switch (type) { 83         case DATE: 84             t = (T) new java.sql.Date(millionSeconds); 85             break; 86         case TIME: 87             t = (T) new java.sql.Time(millionSeconds); 88             break; 89         case TIMESTAMP: 90             t = (T) new java.sql.Timestamp(millionSeconds); 91             break; 92         default: 93             break; 94         } 95         return t; 96     } 97     /** 98     * 99     * @param a100     *            被匹配的长字符串101     * @param b102     *            匹配的短字符串103     * @return 匹配次数104     */105    public int hit(String a, String b) {106        if (a.length() < b.length()) {107            return 0;108        }109        char[] a_t = a.toCharArray();110        char[] b_t = b.toCharArray();111        int count = 0, temp = 0, j = 0;112 113        for (int i = 0; i < a_t.length; i++) {114            // 保证一个连续的字符串 b 跟 a中某段相匹配115            if (a_t[i] == b_t[j] && j < b_t.length) {116                temp++;117                j++;118                // 此时连续的字符串 b 跟 已跟 a 中某段相匹配119                if (temp == b_t.length) {120                    count++;121                    temp = 0;122                    j = 0;123                }124            }125            // 只要有一个字符不匹配，temp计数从来126            else {127                temp = 0;128                j = 0;129            }130        }131 132        return count;133    }134 }