QString csv ="forename,middlename,surname,phone"; QString path ="/usr/local/bin/myapp";// First field is empty QString::SectionFlag flag = QString::SectionSkipEmpty; str = csv.section(',', 2, 2);// str == "surname" str = path.section('/', 3, 4);// str == "bin/myapp"...
QString csv = "forename,middlename,surname,phone"; QString path = "/usr/local/bin/myapp"; // First field is empty QString::SectionFlag flag = QString::SectionSkipEmpty; str = csv.section(',', 2, 2); // str == "surname" str = path.section('/', 3, 4); // str == "bin...
toLocal8Bit().constData(). Manipulating String Data QString provides the following basic functions for modifying the character data: append(), prepend(), insert(), replace(), and remove(). For example: QString str = "and"; str.prepend("rock "); // str == "rock and" str.append("...
toLocal8Bit()。constData()。 操纵字符串数据 QString提供了以下用于修改字符数据的基本功能:append(),prepend(),insert(),replace()和remove()。例如: QString str = “and” ; str 。前置(“摇滚”); // str ==“rock and” str 。追加(“滚动”); // str ==“摇滚乐” str 。替换(5 , 3 ...
99.QString csv = "forename,middlename,surname,phone"; 100.QString path = "/usr/local/bin/myapp"; // First field is empty 101.QString::SectionFlag flag = QString::SectionSkipEmpty; 102. 103.str = csv.section(',', 2, 2); // str == "surname" ...
QString provides many functions for converting numbers into strings and strings into numbers. See the arg() functions, the setNum() functions, the number() static functions, and the toInt(), toDouble(), and similar functions.To get an upper- or lowercase version of a string use toUpper(...
QString还提供了replace()函数供实现字符串的替换功能;trimmed()函数去除字符串两侧的空白字符(注意,空白字符包括空格、Tab以及换行符,而不仅仅是空格);toLower()和toUpper()函数会将字符串转换成小写大写字符串;remove()和 insert()函数提供了删除和插入字符串的能力;simplified()函数可以将串中的所有连续的空白字符...
QString str = "Hello";QString converts the const char * data into Unicode using the fromAscii() function.2)QChar[]数组初始化 Cpp代码 1. static const QChar data[4] = { 0x0055, 0x006e, 0x10e3, 0x03a3 };2. QString str(data, 4);也可以这样 Cpp代码 1. QRegExp pattern;2. ...
x.insert(x.size(), y);//x == "freedom" QString str = "Meal"; str.insert(1, QString("ontr")); // str == "Montreal" QString s = "Montreal"; s.remove(1, 4); // s == "Meal" 移除1-4字符 QString str("LOGOUT\r\n"); ...
QString converts the const char * data into Unicode using the f romAscii() f unction.2)QChar[]数组初始化 Cpp代码 1. static const QChar data[4] = { 0x0055, 0x006e, 0x10e3, 0x03a3 };2. QString str(data, 4);也可以这样 Cpp代码 1. QRegExp pattern;2. static const QChar ...