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入门计划->使用(C++库)istringstream输入(格式化) (转)

原创 IT综合 作者:amyz 时间:2007-11-10 19:03:08 0 删除 编辑
入门计划->使用(C++库)istringstream输入(格式化) (转)[@more@]

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不太明白


//awzzz@2002 //入门计划->使用(C++库)istringstream输入(格式化) //APO->using istringstream. //accidence project of using istringstream.(c++ iostream library) /* Reference: http://www.cplusplus.com/ref/iostream/istringstream/ Description istringstream class provides an interface to manipulate strings as if they were input streams. The objects of this class mantain internally a pointer to a stringbuf object that can be obtained/modified by calling member rdbuf. This streambuf-derived object stores a sequence of characters (string) that can be obtained/modified by calling member str. */ //使用(C++库)istringstream输入(格式化) //simple example #include #include #include using namespace std; void test() { { //istringstream iss; //iss.str("#123 1.23 aaa ,zzz kk,k oo.jjj"); istringstream iss("#123 1.23 aaa ,zzz kk,k oo.jjj"); cout << iss.str() << endl; char ch; iss >> ch; cout << ch << endl; int i; iss >> i; cout << i << endl; float f; iss >> f; cout << f << endl; char buf[1024]; iss >> buf; cout << buf << endl; iss.ignore(100, ','); iss >> buf; cout << buf << endl; } } int main(int argc, char* argv[]) { test(); return 0; }


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