qstring example

From: http://hi.baidu.com/koko200147/blog/item/7e3cad828c9b9bb66d8119cb.html Thanks to the original author! Qstring is Unicode. UTF16 in qt4. Qstring fromascii (const char * STR, int size =-1)Qstring fromlatin1 (const char * STR, int size

The Qstring class of QT provides a convenient interface for string manipulation. Causes a character to fill a string, meaning that all characters in the string are replaced by the equal-length ch. Qstring::fill (Qchar ch, int size

QT Version: 5.5.1Qt's qstring is rich in functionality, and support for non-English languages is not a problem, but not directly supported. For example, like? 1 QString str("死亡使者赛维"); This is directly constructed with

This time I went home and had no time to write it. Today I found that my blog editor has a new version. Let's try the new editor function first! Today we are talking about QString. The reason why QString is taken out separately is that string is a

This article from: http://blog.csdn.net/lanmanck/archive/2009/07/05/4322656.aspxHow to convert qstring to char * or vice versa Note: The following method should be qt3.0. Some methods are similar. For more information, see qt4 Class

Under QT, strings are used qstring, which is really convenient for developers. QT re-use of third-party open source libraries, because the type of library is basically a standard type, the number of strings encountered is the char* typeQT re-use of

A const char* (LPCTSTR) pointer passed to unallocated memory.CString CStr (ASDD);CONST char* ch = (LPCTSTR) CStr;Ch points to the same address as the CStr. However, because the use of const guarantees that CH will not be modified, it is safe. 2.

  Http://blog.csdn.net/ymc0329/article/details/7284514     Convert int to qstringInt M = 1;Qstring B;B = qstring: Number (m) Convert qstring to intQstring A = "1111"Int B;B = A. toint () Char to qstringChar A = 'B ';Qstring STR;STR = qstring

Convert QString to double typeMethod 1: QString str = "123.45 ";Double val = str. toDouble (); /// val = 123.45 Method 2. Suitable for scientific notation form conversionBool OK;Double d;D = QString ("1234.56e-02"). toDouble (& OK); // OK = true; d;

Recently, I was working on a project where someone else's program was used, and the interface of this program gave std: wstring type, while processing the string, QString in QT is much more powerful than wstring, so the conversion between these two