Cout c ++有很多行

Question

我想用cout在c ++中打印一条大邮件。

示例：

cout<<"Camera could not be opened in the requested access mode, because another
              application (possibly on another host) is using the camera."<<endl;

但是我收到了错误。

任何帮助？

Answer 1

这样的事情：

 cout<<"Camera could not be opened in the requested access mode, because another "
          "application (possibly on another host) is using the camera."<<endl;

或

 cout<<"Camera could not be opened in the requested access mode, because another\n"
          "application (possibly on another host) is using the camera."<<endl;

在C和C ++中，编译器将连接两个彼此相邻的字符串。

Answer 2

您无法直接在多行中拆分普通字符串文字。我认为你可以使用连接字符将它们分开。但是，这也不会嵌入换行符。要获得这些，您需要使用\n。我认为你可以使用原始字符串：

char const* strcont = "foo\
bar";
char const* strcat = "foo"
                     "bar";
char const* strraw = R"(foo
bar)";

前两个字符串是相同的：相邻的字符串是连接的。第三个也包含换行符。