std::ios_base::fmtflags

 

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typedef /*implementation defined*/ fmtflags;
static constexpr fmtflags dec = /*implementation defined*/ static constexpr fmtflags oct = /*implementation defined*/ static constexpr fmtflags hex = /*implementation defined*/ static constexpr fmtflags basefield = /*implementation defined (dec | oct | hex)*/
static constexpr fmtflags left = /*implementation defined*/ static constexpr fmtflags right = /*implementation defined*/ static constexpr fmtflags internal = /*implementation defined*/ static constexpr fmtflags adjustfield = /*implementation defined (left | right | internal)*/
static constexpr fmtflags scientific = /*implementation defined*/ static constexpr fmtflags fixed = /*implementation defined*/ static constexpr fmtflags floatfield = /*implementation defined (scientific | fixed)*/
static constexpr fmtflags boolalpha = /*implementation defined*/ static constexpr fmtflags showbase = /*implementation defined*/ static constexpr fmtflags showpoint = /*implementation defined*/ static constexpr fmtflags showpos = /*implementation defined*/ static constexpr fmtflags skipws = /*implementation defined*/ static constexpr fmtflags unitbut = /*implementation defined*/ static constexpr fmtflags uppercase = /*implementation defined*/

指定可用的格式标记。这是一个BitmaskType，下面的常量定义

Original:

Specifies available formatting flags. It is a BitmaskType, the following constants are defined:

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常数 Original: Constant The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.	Explanation
dec	使用十进制整数I / O Original: use decimal base for integer I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
oct	使用八进制基地整数I / O Original: use octal base for integer I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
hex	使用16进制整数I / O Original: use hexadecimal base for integer I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
basefield	dec|oct|hex|0。用于屏蔽操作 Original: dec|oct|hex|0. Useful for masking operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
left	左调整（填充字符添加到右侧） Original: left adjustment (adds fill characters to the right) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
right	右调整（填充字符添加到左） Original: right adjustment (adds fill characters to the left) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
internal	内部调整（填充字符添加到内部指定的点） Original: internal adjustment (adds fill characters to the internal designated point) The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
adjustfield	left|right|internal。用于屏蔽操作 Original: left|right|internal. Useful for masking operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
scientific	产生的浮点类型，如果再加上固定用科学记数法，或十六进制记数法 Original: generate floating point types using scientific notation, or hex notation if combined with fixed The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
fixed	产生的浮点类型，使用固定的符号，或十六进制记数法如果与科学相结合 Original: generate floating point types using fixed notation, or hex notation if combined with scientific The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
floatfield	scientific|fixed|(scientific|fixed)|0。用于屏蔽操作 Original: scientific|fixed|(scientific|fixed)|0. Useful for masking operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
boolalpha	插入和提取bool类型字母数字格式 Original: insert and extract bool type in alphanumeric format The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
showbase	生成一个的前缀表示数字的整数输出基地，需要的I / O货币的货币指标 Original: generate a prefix indicating the numeric base for integer output, require the currency indicator in monetary I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
showpoint	无条件地为浮点数输出生成一个小数点字符 Original: generate a decimal-point character unconditionally for floating-point number output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
showpos	生成+字符对于非负的数值输出 Original: generate a + character for non-negative numeric output The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
skipws	一定的输入操作之前，跳过前导空白 Original: skip leading whitespace before certain input operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
unitbuf	冲洗后的输出的每个输出操作 Original: flush the output after each output operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
uppercase	更换一定的小写字母与他们的uppercase equivalents在一定的输出输出操作 Original: replace certain lowercase letters with their uppercase equivalents in certain output output operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

另请参阅

flags	管理格式的标志 Original: manages format flags The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （公共成员函数）
setf	设置特定格式的标志 Original: sets specific format flag The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （公共成员函数）
unsetf	clears specific format flag （公共成员函数）
setbase	改变用于整数I / O基地 Original: changes the base used for integer I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
setfill	改变填充字符 Original: changes the fill character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数模板）
fixed scientific hexfloat defaultfloat （C++11） （C++11）	使用的格式为浮点I / O Original: changes formatting used for floating-point I/O The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
showbase noshowbase	控制是否前缀用于指示数字基 Original: controls whether prefix is used to indicate numeric base The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
boolalpha noboolalpha	文字和数字表示的布尔值之间切换 Original: switches between textual and numeric representation of booleans The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
showpos noshowpos	控制是否+符号用于与非负数 Original: controls whether the + sign used with non-negative numbers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
showpoint noshowpoint	控制是否始终包含在浮点表示小数点 Original: controls whether decimal point is always included in floating-point representation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
unitbuf nounitbuf	控制输出是否每次操作后冲洗 Original: controls whether output is flushed after each operation The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
skipws noskipws	被跳过的输入控制是否前导空格 Original: controls whether leading whitespace is skipped on input The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数）
uppercase nouppercase	controls whether uppercase characters are used with some output formats （函数）