byte[]与各种数据类型互相转换示例

1. public class TestCase {   
2.       
3.      
4.    public static byte[] shortToByte(short number) {   
5.        int temp = number;   
6.        byte[] b = new byte[2];   
7.        for (int i = 0; i > 8;// 向右移8位   
10.        }   
11.        return b;   
12.    }   
13.  
14.      
15.    public static short byteToShort(byte[] b) {   
16.        short s = 0;   
17.        short s0 = (short) (b[0] & 0xff);// 最低位   
18.        short s1 = (short) (b[1] & 0xff);   
19.        s1 > 8;// 向右移8位   
32.        }   
33.        return b;   
34.    }   
35.  
36.      
37.    public static int byteToInt(byte[] b) {   
38.        int s = 0;   
39.        int s0 = b[0] & 0xff;// 最低位   
40.        int s1 = b[1] & 0xff;   
41.        int s2 = b[2] & 0xff;   
42.        int s3 = b[3] & 0xff;   
43.        s3 > 8;// 向右移8位   
58.        }   
59.        return b;   
60.    }   
61.  
62.      
63.    public static long byteToLong(byte[] b) {   
64.        long s = 0;   
65.        long s0 = b[0] & 0xff;// 最低位   
66.        long s1 = b[1] & 0xff;   
67.        long s2 = b[2] & 0xff;   
68.        long s3 = b[3] & 0xff;   
69.        long s4 = b[4] & 0xff;// 最低位   
70.        long s5 = b[5] & 0xff;   
71.        long s6 = b[6] & 0xff;   
72.        long s7 = b[7] & 0xff;   
73.  
74.        // s0不变   
75.        s1 > 8;     
93.        }   
94.        return b;   
95.    }   
96.       
97.      
98.    public static double getDouble(byte[] b) {     
99.        long m;     
100.        m = b[0];     
101.        m &= 0xff;     
102.        m |= ((long) b[1] > 8);   
138.        b[1] = (byte) (c & 0xFF);   
139.        return b;   
140.     }   
141.        
142.       
143.     public static char byteToChar(byte[] b){   
144.        char c = (char) (((b[0] & 0xFF)