1 #include <iostream>
2 #include <map>
3 #include <cstring>
4 using namespace std;
5
6 //map常规用法
7 void main1()
8 {
9 //映射
10 map<char *, int> mymap;
11 mymap.insert(pair<char *, int>("司令6", 16));
12 mymap.insert(pair<char *, int>("司令2", 11));
13 mymap.insert(pair<char *, int>("司令3", 12));
14 mymap.insert(pair<char *, int>("司令4", 13));
15 //第一个字段不允许重复
16 mymap.insert(pair<char *, int>("司令4", 1323));
17
18 for (auto i : mymap)
19 {
20 cout << i.first << " " << i.second << endl;
21 }
22
23 for (auto cb = mymap.cbegin(), ce = mymap.cend(); cb != ce; cb++)
24 {
25 cout << (*cb).first << " " << (*cb).second << endl;
26 }
27
28 auto it = mymap.find("司令2");
29 //删除一个
30 //mymap.erase(it);
31 //删除一段
32 //mymap.erase(it, mymap.end());
33 //链式存储
34 //auto ifind = mymap.begin()++;
35 //cout << mymap["司令2"] << endl;
36 //清空
37 mymap.clear();
38 cout << it->first << " " << it->second << endl;
39 cin.get();
40 }
41
42 struct strless
43 {
44 //仿函数
45 bool operator()(const char *str1, const char *str2)
46 {
47 //字符串比较
48 return (strcmp(str1, str2) < 0);
49 }
50 };
51
52 void main()
53 {
54 //根据strless进行排序插入
55 map<char *, int, strless> mymap;
56 mymap.insert(pair<char *, int>("司令6", 16));
57 mymap.insert(pair<char *, int>("司令2", 11));
58 mymap.insert(pair<char *, int>("司令3", 12));
59 mymap.insert(pair<char *, int>("司令4", 13));
60
61
62
63 for (auto i : mymap)
64 {
65 cout << i.first << " " << i.second << endl;
66 }
67
68
69 cin.get();
70 }
