void Util::getStructVector(vector<BookStruct> &vec, int len)
{
for (int i = 0; i < len; i++)
{
BookStruct bs;
bs.BookIndex = i;
bs.BookId = (unsigned long long)i * i * i * i * i * i;
bs.BookName = (char *)malloc(40);
bs.BookTitle = (char *)malloc(40);
strcpy(bs.BookName, getUuid27());
strcpy(bs.BookTitle, getUuid27());
vec.push_back(bs);
}
}
char *Util::getUuid27()
{
uuid_t newUUID;
uuid_generate(newUUID);
uuid_unparse(newUUID, Util::uuidValue);
return Util::uuidValue;
}
void Util::printStructVector32(vector<BookStruct> &vec)
{
vector<BookStruct>::iterator itr = vec.begin();
while (itr != vec.end())
{
cout << fixed
<< "Index=" << itr->BookIndex << ",Id=" << itr->BookId << ",Name="
<< itr->BookName << ",Title=" << itr->BookTitle << endl;
free(itr->BookName);
free(itr->BookTitle);
itr++;
}
}
void Util::structVector33(int len)
{
vector<BookStruct> vec;
getStructVector(std::ref(vec), len);
printStructVector32(std::ref(vec));
cout << "Finished in void Util::structVector33(int len) and now is " << getTimeNow() << endl;
}
g++ -g -std=c++2a -I. *.cpp ./Model/*.cpp -o h1 -luuid -lpthread
![](https://img2022.cnblogs.com/blog/947244/202203/947244-20220319173713827-932350384.png)