c++ 字符串和数字拼接

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方法一:

#include <iostream>
#include <string>
#include <sstream>
using namespace std;
int main()
{
    int a = 2;
    string b = "abc";
    stringstream ss;
    ss << a << b;
    cout << ss.str() << endl;
    return 0;
}
 
方法二:
#include <iostream>
using namespace std;
int main()
{
  int a = 6;
  char b[10];
  sprintf_s(b, "abc%d", a);
  cout << b << endl;
  system("pause");
  return 0;
}

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转载自blog.csdn.net/sxlsxl119/article/details/82798901
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