string int2str(int val)
{
int aa = val;
stringstream ss;
ss<<aa;
string s1 = ss.str();
return s1;
}
int writeFile(string charFpName, string chVal) //写文件
{
FILE *fp = fopen(charFpName.c_str(),"w+");
if(NULL == fp){
return 0;
}
fprintf(fp,"%s\n",chVal.c_str());
fclose(fp);
return 1;
}
原文：https://www.cnblogs.com/mingyue605/p/10704138.html