In order to force C++ to display our floating-point numbers in thescientificformat regardless of the size of the number, we use the format specifierscientificinside ofcout. doublenum =3.25;// ex = 325 X (10 ^ 25
Specifier(说明符) Type(类型) Example(例子) Example Output(示例输出) 自定义日期格式 2020-10-04 型:类型说明符为 unsigned 实型常量:实型也称为浮点型。实型常量也称为实数或者浮点数。在C语言中,实数只采用十进 制。它有二种形式:十进制小数形式,指数形式 实型变量实型变量一般占4字节...变量的类型...
Converts double to string using the specified format. : double format « Data Types « C# / C Sharp
C# publicstringToString(IFormatProvider? provider); Параметры IFormatProvider Возвращаемоезначение provider. Реализации ToString(IFormatProvider) Примеры Вследующемпримерепоказаностроковоепредс...
Table 1 Format specifiers supported by the NSString formatting methods and CFString formatting functions 平台依赖 Mac OS X uses several data types—NSInteger, NSUInteger,CGFloat, and CFIndex—to provide a consistent means of representing values in 32- and 64-bit environments. In a 32-bit environ...
ToString(String, IFormatProvider) 示例 以下示例使用多个不同区域性的每个受支持的标准数字格式说明符显示一个 Double 值。 C# 复制 运行 double value = 16325.62901; string specifier; CultureInfo culture; // Use standard numeric format specifiers. specifier = "G"; culture = CultureInfo.CreateSpecific...
Each field of the conversion specification is a character or a number that signifies a particular format option or conversion specifier. The requiredtypefield specifies the kind of conversion to be applied to an argument. The optionalflags,width, andprecisionfields control additional format aspects suc...
double value = 16325.62901; string specifier; CultureInfo culture; // Use standard numeric format specifiers. specifier = "G"; culture = CultureInfo.CreateSpecificCulture("eu-ES"); Console.WriteLine(value.ToString(specifier, culture)); // Displays: 16325,62901 Console.WriteLine(value.ToString(speci...
ToString(String, IFormatProvider) 示例 以下示例使用多个不同区域性的每个受支持的标准数字格式说明符显示一个 Double 值。 C# 复制 运行 double value = 16325.62901; string specifier; CultureInfo culture; // Use standard numeric format specifiers. specifier = "G"; culture = CultureInfo.CreateSpecific...
ToString(String, IFormatProvider) 示例 以下示例使用多个不同区域性的每个受支持的标准数字格式说明符显示一个 Double 值。 C# 复制 运行 double value = 16325.62901; string specifier; CultureInfo culture; // Use standard numeric format specifiers. specifier = "G"; culture = CultureInfo.CreateSpecific...