Struct WriteCsvOptions 

pub struct WriteCsvOptions {
    pub has_header: bool,
    pub delimiter: u8,
    pub na_rep: String,
    pub quote_style: QuoteStyle,
    pub line_terminator: String,
}

CSV 写入配置选项

控制 DataFrame 导出为 CSV 文件时的格式设置。

示例

use axion::io::csv::{WriteCsvOptions, QuoteStyle};
 
let options = WriteCsvOptions::builder()
    .with_header(true)
    .with_delimiter(b';')
    .quote_style(QuoteStyle::Always)
    .build();

Fields

has_header: bool

是否写入表头行，默认为 true

delimiter: u8

字段分隔符，默认为 ,

na_rep: String

用于表示 null 值的字符串，默认为空字符串 ""

quote_style: QuoteStyle

字段的引用样式，默认为 QuoteStyle::Necessary

line_terminator: String

行终止符，默认为 \n

Implementations

impl WriteCsvOptions

pub fn builder() -> WriteCsvOptionsBuilder

创建一个新的 WriteCsvOptions 构建器，使用默认值

Trait Implementations

impl Clone for WriteCsvOptions

fn clone(&self) -> WriteCsvOptions

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for WriteCsvOptions

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for WriteCsvOptions

fn default() -> Self

Returns the “default value” for a type.