为什么我的vector变量存元素进去以后再取出来以后发现内容是空的?
#include <stdio.h>
#include <string>
#include <vector>
using namespace std;
class CMyClass
{
public :
int x;
string s;
};
void main()
{
vector<CMyClass> MyMap;
CMyClass myclass;
myclass.x = 3;
myclass.s = "This is a test";
MyMap.clear();
MyMap.resize(1);
MyMap.push_back(myclass) ;
printf("\nMyMap[0].x =%d MyMap[0].s=%s",MyMap[0].x,MyMap[0].s.c_str());
}
运行结果:
MyMap[0].x =-1073743344 MyMap[0].s=
为什么存进去的元素取出来却是空的呢???