📄 tools.java
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package com.hoten.cmpp.util;/** * <p>Title: 通用工具</p> * <p>Description: 主要为类型转换</p> * <p>Copyright: Copyright (c) 2002</p> * <p>Company: </p> * @author unascribed * @version 1.0 */public class Tools{ private static String HexCode[] = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" }; private Tools(){ } public static String byteToHexString(byte b){ int n = b; if(n < 0) n = 256 + n; int d1 = n / 16; int d2 = n % 16; return HexCode[d1]+HexCode[d2]; } public static String byteArrayToHexString(byte b[]){ String result = ""; for(int i = 0; i < b.length; i++) result = result+byteToHexString(b[i]); return result; } public static int byte2int(byte b[], int offset) { return b[offset + 3] & 0xff | (b[offset + 2] & 0xff) << 8 | (b[offset + 1] & 0xff) << 16 | (b[offset] & 0xff) << 24; } public static int byte2int(byte b[]) { return b[3] & 0xff | (b[2] & 0xff) << 8 | (b[1] & 0xff) << 16 | (b[0] & 0xff) << 24; } public static long byte2long(byte b[]) { return (long)b[7] & (long)255 | ((long)b[6] & (long)255) << 8 | ((long)b[5] & (long)255) << 16 | ((long)b[4] & (long)255) << 24 | ((long)b[3] & (long)255) << 32 | ((long)b[2] & (long)255) << 40 | ((long)b[1] & (long)255) << 48 | (long)b[0] << 56; } public static long byte2long(byte b[], int offset) { return (long)b[offset + 7] & (long)255 | ((long)b[offset + 6] & (long)255) << 8 | ((long)b[offset + 5] & (long)255) << 16 | ((long)b[offset + 4] & (long)255) << 24 | ((long)b[offset + 3] & (long)255) << 32 | ((long)b[offset + 2] & (long)255) << 40 | ((long)b[offset + 1] & (long)255) << 48 | (long)b[offset] << 56; } public static byte[] int2byte(int n) { byte b[] = new byte[4]; b[0] = (byte)(n >> 24); b[1] = (byte)(n >> 16); b[2] = (byte)(n >> 8); b[3] = (byte)n; return b; }/** *n 为待转数据,buf[]为转换后的数据,offset为buf[]中转换的起始点 * 转换后数据从低到高位 */ public static void int2byte(int n, byte buf[], int offset) { buf[offset] = (byte)(n >> 24); buf[offset + 1] = (byte)(n >> 16); buf[offset + 2] = (byte)(n >> 8); buf[offset + 3] = (byte)n; } public static byte[] short2byte(int n) { byte b[] = new byte[2]; b[0] = (byte)(n >> 8); b[1] = (byte)n; return b; } public static void short2byte(int n, byte buf[], int offset) { buf[offset] = (byte)(n >> 8); buf[offset + 1] = (byte)n; } public static byte[] long2byte(long n) { byte b[] = new byte[8]; b[0] = (byte)(int)(n >> 56); b[1] = (byte)(int)(n >> 48); b[2] = (byte)(int)(n >> 40); b[3] = (byte)(int)(n >> 32); b[4] = (byte)(int)(n >> 24); b[5] = (byte)(int)(n >> 16); b[6] = (byte)(int)(n >> 8); b[7] = (byte)(int)n; return b; } public static void long2byte(long n, byte buf[], int offset) { buf[offset] = (byte)(int)(n >> 56); buf[offset + 1] = (byte)(int)(n >> 48); buf[offset + 2] = (byte)(int)(n >> 40); buf[offset + 3] = (byte)(int)(n >> 32); buf[offset + 4] = (byte)(int)(n >> 24); buf[offset + 5] = (byte)(int)(n >> 16); buf[offset + 6] = (byte)(int)(n >> 8); buf[offset + 7] = (byte)(int)n; } public static boolean checkMobile(String sMobile){ String sF6 = "",sB7= "",sF2=""; if(sMobile == null) return false; if(sMobile.length()!= 11) return false; sF6 = sMobile.substring(0,7); sF2 = sMobile.substring(0,2); sB7 = sMobile.substring(7); try { int iT = Integer.valueOf(sF6).intValue() ; iT = Integer.valueOf(sB7).intValue(); if(sF2.equals("13")) return true; else return false; } catch (Exception ex) { return false; } }}
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