void main(void)
{
// Create a map of ints to strings
INT2STRING theMap;
INT2STRING::iterator theIterator;
string theString = "";
int index, continue = 1;
// Fill theMap with the digits 0 - 9, each mapped to its string counterpart
// Note: value_type is a pair for maps...
theMap.insert(INT2STRING::value_type(0,"Zero"));
theMap.insert(INT2STRING::value_type(1,"One"));
theMap.insert(INT2STRING::value_type(2,"Two"));
theMap.insert(INT2STRING::value_type(3,"Three"));
theMap.insert(INT2STRING::value_type(4,"Four"));
theMap.insert(INT2STRING::value_type(5,"Five"));
theMap.insert(INT2STRING::value_type(6,"Six"));
theMap.insert(INT2STRING::value_type(7,"Seven"));
theMap.insert(INT2STRING::value_type(8,"Eight"));
theMap.insert(INT2STRING::value_type(9,"Nine"));
// Read a Number from the user and print it back as words
while (continue)
{
cout << "Enter \"q\" to quit, or enter a Number: ";
cin >> theString;
if(theString == "q")
continue = 0;
// extract each digit from the string, find its corresponding
// entry in the map (the word equivalent) and print it
for( index = 0; index < theString.length(); index++)
{
theIterator = theMap.find(theString[index] - '0');
if(theIterator != theMap.end()) // is 0 - 9
cout << (*theIterator).second << " ";
else // not 0 - 9
cout << "[err] ";
}
cout << endl;
}
}
//测试map容器
void main()
{
//创建map对象theMap
INT2STRING theMap;
INT2STRING::iterator theIterator,it;
//向theMap容器中添入数据，数字和字符串配对
//每个元素是一个映射对
theMap.insert(INT2STRING::value_type(0,"Zero"));
theMap.insert(INT2STRING::value_type(2,"Two"));
theMap.insert(INT2STRING::value_type(4,"Four"));
theMap.insert(INT2STRING::value_type(6,"Six"));
theMap.insert(INT2STRING::value_type(8,"Eight"));
//显示map容器的所有对象
cout<<"theMap.begin()--theMap.end():"<<endl;
for (theIterator=theMap.begin();theIterator!=theMap.end();++theIterator){
cout<<(*theIterator).first;
cout<<","<<(*theIterator).second<<" ";
}
cout<<endl;
//测试map容器key的惟一性
theMap.insert(INT2STRING::value_type(0,"Zero"));
theMap.insert(INT2STRING::value_type(1,"One"));
theMap.insert(INT2STRING::value_type(2,"Two"));
theMap.insert(INT2STRING::value_type(3,"Three"));
theMap.insert(INT2STRING::value_type(4,"Four"));
theMap.insert(INT2STRING::value_type(5,"Five"));
theMap.insert(INT2STRING::value_type(6,"Six"));
theMap.insert(INT2STRING::value_type(7,"Seven"));
theMap.insert(INT2STRING::value_type(8,"Eight"));
theMap.insert(INT2STRING::value_type(9,"Nine"));
//下列语句将不能插入到map容器中
theMap.insert(INT2STRING::value_type(5,"AAA"));
//显示map容器的所有对象
cout<<"theMap.begin()--theMap.end():"<<endl;
for (theIterator=theMap.begin();theIterator!=theMap.end();++theIterator){
cout<<(*theIterator).first;
cout<<","<<(*theIterator).second<<" ";
}
cout<<endl;
//按键给定的区间显示序列中的元素
cout<<"[theMap.lower_bound(3),theMap.upper_bound(8)] :"<<endl;
for (it=theMap.lower_bound(3);it!=theMap.upper_bound(8);it++) {
cout<<(*it).first;
cout<<","<<(*it).second<<" ";
}
cout<<endl;
//显示theMap的状态信息
cout<<"theMap.size():"<<theMap.size()<<endl;
cout<<"theMap.max_size():"<<theMap.max_size()<<endl;
cout<<"theMap.count(15):"<<theMap.count(15)<<endl;
// 从键盘上输入数字，显示对应的字符串
string theString = "";
int index;
for( ; ; )
{
cout << "Enter \"q\" to quit, or enter a Number: ";
cin >> theString;
if(theString == "q")
break;
for(index = 0; index < theString.length(); index++){
theIterator = theMap.find(theString[index] - '0');
if(theIterator != theMap.end() )
cout << (*theIterator).second << " ";
else
cout << "[err] ";
}
cout << endl;
}
}