将16位byte[] 转换为32位String

[java]代码库

/** 
     * 将16位byte[] 转换为32位String 
     *  
     * @param buffer 
     * @return 
     */  
    private String toHex(byte buffer[]) {  
        StringBuffer sb = new StringBuffer(buffer.length * 2);  
        for (int i = 0; i < buffer.length; i++) {  
            sb.append(Character.forDigit((buffer[i] & 240) >> 4, 16));  
            sb.append(Character.forDigit(buffer[i] & 15, 16));  
        }  

        return sb.toString();  
    }