C语言字符转16进制输出的问题 c语言如何以输出16进制字符到文件
c\u8bed\u8a00\u8f93\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5341\u516d\u8fdb\u5236\u5e76\u8f93\u51fa#include int IsHexChar(char ch){if((ch>='0' && ch='a' && ch='A' && ch<='F'))return 1;elsereturn 0;}int main(){char str[1000] = "123342abcdAFB1H";int cnt = 0;int i;printf("input str:\n");//gets(str);i = 0;while(str[i]&&str[i+1]){if(IsHexChar(str[i]) && IsHexChar(str[i+1])){cnt++;printf(cnt==1?"0x%c%c":", 0x%c%c", str[i], str[i+1]);i++;i++;}elsebreak;}printf("\ncnt = %d\n", cnt);return 0;}
1\u3001\u9996\u5148\uff0c\u5b9a\u4e49\u4e00\u4e2a\u5b57\u7b26\u4e32\u53d8\u91cfchar\u548casc\uff0c\u4fdd\u5b58\u8f6c\u6362\u7684\u5b57\u7b26\u548c\u8f6c\u6362\u540e\u768416\u8fdb\u5236\u6570\u3002
2\u3001\u5b9a\u4e49\u4e00\u4e2a\u6574\u578b\u53d8\u91cfn\uff0c\u4fdd\u5b58\u5b57\u7b26\u7684ASCII\u7801\u3002
3\u3001\u7ed9\u5b57\u7b26char\u8d4b\u503c\uff0c\u5176\u503c\u4e3a\u5b57\u7b26i\u3002
4\u3001\u5c06\u5b57\u7b26char\u8f6c\u6362\u4e3aASCII\u7801\uff0c\u5e76\u4fdd\u5b58\u5728n\u4e2d\u3002
5\u3001\u5b57\u7b26\u7684ASCII\u7801\uff0c\u8fdb\u4e00\u6b65\u8f6c\u6362\u4e3a16\u8fdb\u5236\u6570\uff0c\u5e76\u4fdd\u5b58\u5728\u53d8\u91cfasc\u4e2d\u3002
6\u3001\u6700\u540e\uff0c\u8f93\u51fa\u5b57\u7b26\u8f6c\u6362\u4e3a16\u8fdb\u5236\u6570\u540e\u7684\u6570\u503c\u3002
7\u3001\u8fd0\u884c\u7a0b\u5e8f\uff0c\u4ee3\u7801\u4e2d\u7684\u5b57\u7b26i\uff0c\u5df2\u6210\u529f\u8f6c\u6362\u4e3a16\u8fdb\u5236\u6570\u3002
int main()
{
int i;
char zjjg[]={"I 《"};
for(i=0; i<(int)strlen(zjjg); i++)
{
printf("%02X ", (unsigned char)zjjg[i]);
}
return 0;
}
16进制第一个是1说明这是个负数，所以这些F是有意义的
用%d输出的话就是一个负数
你那个符号是汉字符号吧，汉字符号由两个两个char组成的
{printf("%X ", 0xff & zjjg[i]);}
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