std::ios_base::setf

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C++
 
输入/输出库
I / O操纵
C-风格的I / O
缓冲区
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Buffers
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basic_streambuf
basic_filebuf
basic_stringbuf
strstreambuf（过时了）
流
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Streams
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抽象
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Abstractions
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ios_base
basic_ios
basic_istream
basic_ostream
basic_iostream
文件I / O
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File I/O
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basic_ifstream
basic_ofstream
basic_fstream
字符串I / O
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String I/O
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basic_istringstream
basic_ostringstream
basic_stringstream
阵列的I / O
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Array I/O
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istrstream（过时了）
ostrstream（过时了）
strstream（过时了）
类型
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Types
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streamoff
streamsize
fpos
Error类的接口
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Error category interface
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iostream_category（C++11）
io_errc（C++11）
 
std::ios_base
成员函数
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Member functions
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ios_base::ios_base
ios_base::~ios_base
格式化
Original:
Formatting
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ios_base::flags
ios_base::setf
ios_base::unsetf
ios_base::precision
ios_base::width
语言环境
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Locales
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ios_base::imbue
ios_base::getloc
内部可扩展的阵列
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Internal extensible array
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ios_base::xalloc
ios_base::iword
ios_base::pword
杂项
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Miscellaneous
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ios_base::register_callback
ios_base::sync_with_stdio
会员类别
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Member classes
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ios_base::failure
ios_base::Init
会员类型
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Member types
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ios_base::openmode
ios_base::fmtflags
ios_base::iostate
ios_base::seekdir
ios_base::event
ios_base::event_callback
 
fmtflags setf( fmtflags flags );
 (1)
fmtflags setf( fmtflags flags, fmtflags mask );
 (2)
设置的格式标记来指定的设置.
Original:
Sets the formatting flags to specified settings.
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1)
的格式标志设置标志
Original:
Sets the formatting flags to flags
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2)
清除mask下，格式化标志清除的标志，并设置由flags指定的那些。本质上，以下的操作被执行 (flags & mask)fl定义内部格式化标志的状态.
Original:
Clears the formatting flags under mask, and sets the cleared flags to those specified by flags. Essentially the following operation is performed  (flags & mask) where fl defines the state of internal formatting flags.
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目录

[编辑] 参数

flags, mask -
新的格式设置。 mask定义可以改变的标志，flags定义那些被改变的标志应设置（其他将被清除）。这两个参数可以是以下常量的组合：
常数
Original:
Constant
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 Explanation
dec
使用十进制整数I / O
Original:
use decimal base for integer I/O
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oct
使用八进制基地整数I / O
Original:
use octal base for integer I/O
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hex
使用16进制整数I / O
Original:
use hexadecimal base for integer I/O
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basefield
dec|oct|hex|0。用于屏蔽操作
Original:
dec|oct|hex|0. Useful for masking operations
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left
左调整（填充字符添加到右侧）
Original:
left adjustment (adds fill characters to the right)
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right
右调整（填充字符添加到左）
Original:
right adjustment (adds fill characters to the left)
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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)
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adjustfield
left|right|internal。用于屏蔽操作
Original:
left|right|internal. Useful for masking operations
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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
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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
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floatfield
scientific|fixed|(scientific|fixed)|0。用于屏蔽操作
Original:
scientific|fixed|(scientific|fixed)|0. Useful for masking operations
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boolalpha
插入和提取bool类型字母数字格式
Original:
insert and extract bool type in alphanumeric format
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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
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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
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showpos
生成+字符对于非负的数值输出
Original:
generate a + character for non-negative numeric output
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skipws
一定的输入操作之前，跳过前导空白
Original:
skip leading whitespace before certain input operations
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unitbuf
冲洗后的输出的每个输出操作
Original:
flush the output after each output operation
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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
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Original:
new formatting setting. mask defines which flags can be altered, flags defines which flags of those to be altered should be set (others will be cleared). Both parameters can be a combination of the following constants:
常数
Original:
Constant
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 Explanation
dec
使用十进制整数I / O
Original:
use decimal base for integer I/O
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oct
使用八进制基地整数I / O
Original:
use octal base for integer I/O
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hex
使用16进制整数I / O
Original:
use hexadecimal base for integer I/O
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basefield
dec|oct|hex|0。用于屏蔽操作
Original:
dec|oct|hex|0. Useful for masking operations
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left
左调整（填充字符添加到右侧）
Original:
left adjustment (adds fill characters to the right)
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right
右调整（填充字符添加到左）
Original:
right adjustment (adds fill characters to the left)
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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)
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adjustfield
left|right|internal。用于屏蔽操作
Original:
left|right|internal. Useful for masking operations
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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
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boolalpha
插入和提取bool类型字母数字格式
Original:
insert and extract bool type in alphanumeric format
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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.
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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.
The text has been machine-translated via Google Translate.
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[编辑] 返回值

之前，调用该函数的格式标记
Original:
the formatting flags before the call to the function
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[编辑] 为例

本节是不完整的
原因: no example

[编辑] 另请参阅
管理格式的标志
Original:
manages format flags
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（公共成员函数） [edit]
clears specific format flag
（公共成员函数） [edit]
来自“http://zh.cppreference.com/mwiki/index.php?title=cpp/io/ios_base/setf&oldid=27497”