本文共 1870 字，大约阅读时间需要 6 分钟。

#include 
   
    #include 
    
     typedef   unsigned char     BOOL_T; typedef   unsigned char     U8_T; typedef   signed   char     S8_T; typedef   unsigned short    U16_T; typedef   signed   short    S16_T; typedef   unsigned int      U32_T; typedef   signed   int      S32_T;typedef   unsigned __int64  U64_T;typedef   signed   __int64  S64_T; typedef   float             F32_T; typedef   double            F64_T; typedef   char *            STR_T;//将数组转换为十六进制同值的字符串void arrayToStr(U8_T *buf, unsigned int buflen, U8_T *out){	U8_T strBuf[33] = {0};	U8_T pbuf[32];	U8_T i;	for(i = 0; i < buflen; i++)	{	    sprintf(pbuf, "%02X", buf[i]);	    strncat(strBuf, pbuf, 2);	}	strncpy(out, strBuf, buflen * 2);	out[buflen*2] = 0;}int main(){	U8_T str[25] = {0x33,0x01,0x08,0x00,0x17,0x90,0x59,0x26};	U8_T *ptr;		arrayToStr(str, 8, ptr);	printf("结果：%s\n", ptr); 		return(0);}
    
   

运行结果：

封装，用函数调用（运行结果一样）

#include 
   
    #include 
    
     typedef   unsigned char     BOOL_T; typedef   unsigned char     U8_T; typedef   signed   char     S8_T; typedef   unsigned short    U16_T; typedef   signed   short    S16_T; typedef   unsigned int      U32_T; typedef   signed   int      S32_T;typedef   unsigned __int64  U64_T;typedef   signed   __int64  S64_T; typedef   float             F32_T; typedef   double            F64_T; typedef   char *            STR_T;U8_T arrayToStr(U8_T *buf, U8_T buflen, U8_T *out){	U8_T strBuf[33] = {0};	U8_T pbuf[32];	U8_T i;		for (i = 0; i < buflen; i++)	{		sprintf((char*)pbuf, "%02X", buf[i]);		strncat((char*)strBuf, (char*)pbuf, 2);	}	strncpy((char*)out, (char*)strBuf, buflen * 2);	out[buflen*2] = 0;	return (buflen * 2);}//封装调用函数 void fun(){	U8_T str[25] = {0x33,0x01,0x08,0x00,0x17,0x90,0x59,0x26};	char ptr[33] = {0};//这个变量不能定义成指针，是指针会导致奔溃		//将数组转换为十六进制同值的字符串	arrayToStr(str, 8, ptr);	printf("结果：%s\n", ptr); }int main(){	fun();	return(0);}
    
   

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