vector删除遍历

 1 #include <iostream>
 2 #include <vector>
 3 #include <string>
 4 
 5 using namespace std;
 6 
 7 int main(void)
 8 {
 9     vector<string> vecStr;
10     vecStr.push_back("hello");
11     vecStr.push_back("world");
12     vecStr.push_back("welcome");
13     vecStr.push_back("good");
14     vecStr.push_back("boy");
15 
16     for(vector<string>::iterator iter = vecStr.begin(); iter != vecStr.end(); ++iter)
17     {
18         cout << (*iter) << endl;
19     }
20     cout << "----------------------" << endl;
21     
22     for(vector<string>::iterator iter = vecStr.begin(); iter != vecStr.end(); ++iter)
23     {
24         cout << "execute item: " << (*iter) << endl;
25         if("welcome" == (*iter))
26         {
27             // vector在删除元素后，返回迭代器指向下一个元素(windows STL和linux STL均支持)
28             iter = vecStr.erase(iter);
29             --iter;
30         }
31     }
32     cout << "----------------------" << endl;
33     for(vector<string>::iterator iter = vecStr.begin(); iter != vecStr.end(); ++iter)
34     {
35         cout << (*iter) << endl;
36     }
37     
38 }

1     for(vector<string>::iterator iter = vecStr.begin(); iter != vecStr.end(); ++iter)
2     {
3         cout << "execute item: " << (*iter) << endl;
4         if("welcome" == (*iter))
5         {
6             // window和linux均支持
7             vecStr.erase(iter--);          
8         }
9     }