cn.orionsec.kit.office.csv.core

Class CsvReader

java.lang.Object

cn.orionsec.kit.office.csv.core.CsvReader

All Implemented Interfaces:

SafeCloseable, Closeable, AutoCloseable

public class CsvReader
extends Object
implements SafeCloseable

csv 读取类

Since:

2020/4/1 23:21

Version:

1.0.0

Author:

Jiahang Li

Constructor Summary

Constructors

Constructor and Description
CsvReader(File file)
CsvReader(File file, char delimiter)
CsvReader(File file, char delimiter, Charset charset)
CsvReader(File file, CsvReaderOption option)
CsvReader(InputStream in)
CsvReader(InputStream in, char delimiter, Charset charset)
CsvReader(InputStream in, Charset charset)
CsvReader(InputStream in, CsvReaderOption option)
CsvReader(Reader reader)
CsvReader(Reader reader, char delimiter)
CsvReader(Reader reader, CsvReaderOption option)
CsvReader(String file)
CsvReader(String file, char delimiter)
CsvReader(String file, char delimiter, Charset charset)
CsvReader(String file, CsvReaderOption option)

Method Summary

Modifier and Type	Method and Description
boolean	clear() 清空读取的当前行
void	close() 安全关闭
String	get(int columnIndex) 获取当前读取列的值
String	get(String headerName) 获取当前列标题对应的值
int	getCurrentColumnCount() 获取列数
long	getCurrentIndex() 获取当前记录索引
String	getHeader(int columnIndex) 获取列的标题
int	getHeaderCount() 获取标题数量
int	getHeaderIndex(String headerName) 获取标题列的索引
String[]	getHeaders() 获取标题
CsvReaderOption	getOption()
String	getRawRow() 获取当前读取列的值
String[]	getRow() 获取当前读取列的值
boolean	isQualified(int columnIndex) 数据是否合法
static CsvReader	parse(String data) 解析
static CsvReader	parse(String data, char delimiter) 解析
static CsvReader	parse(String data, CsvReaderOption option) 解析
boolean	readHeaders() 读取数据的第一条记录作为列标题
boolean	readRow() 读取一行数据
void	setHeaders(String[] headers) 设置标题
void	setOption(CsvReaderOption option)
boolean	skipRecord() 跳过一行记录

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CsvReader

public CsvReader(String file)

CsvReader

public CsvReader(String file,
                 char delimiter)

CsvReader

public CsvReader(String file,
                 char delimiter,
                 Charset charset)

CsvReader

public CsvReader(String file,
                 CsvReaderOption option)

CsvReader

public CsvReader(File file)

CsvReader

public CsvReader(File file,
                 char delimiter)

CsvReader

public CsvReader(File file,
                 char delimiter,
                 Charset charset)

CsvReader

public CsvReader(File file,
                 CsvReaderOption option)

CsvReader

public CsvReader(InputStream in)

CsvReader

public CsvReader(InputStream in,
                 Charset charset)

CsvReader

public CsvReader(InputStream in,
                 char delimiter,
                 Charset charset)

CsvReader

public CsvReader(InputStream in,
                 CsvReaderOption option)

CsvReader

public CsvReader(Reader reader)

CsvReader

public CsvReader(Reader reader,
                 char delimiter)

CsvReader

public CsvReader(Reader reader,
                 CsvReaderOption option)

Method Detail

parse

public static CsvReader parse(String data)

解析

Parameters:

data - text

Returns:

CsvReader

parse

public static CsvReader parse(String data,
                              char delimiter)

解析

Parameters:

data - text

delimiter - 分隔符

Returns:

CsvReader

parse

public static CsvReader parse(String data,
                              CsvReaderOption option)

解析

Parameters:

data - text

option - option

Returns:

CsvReader

getRow

public String[] getRow()

获取当前读取列的值

Returns:

当前值

getRawRow

public String getRawRow()

获取当前读取列的值

Returns:

当前读取列的值

get

public String get(int columnIndex)

获取当前读取列的值

Parameters:

columnIndex - 列

Returns:

值

get

public String get(String headerName)

获取当前列标题对应的值

Parameters:

headerName - 标题

Returns:

值

setHeaders

public void setHeaders(String[] headers)

设置标题

Parameters:

headers - 标题

readHeaders

public boolean readHeaders()
                    throws IOException

读取数据的第一条记录作为列标题

Returns:

是否成功

Throws:

IOException - IOException

readRow

public boolean readRow()
                throws IOException

读取一行数据

Returns:

是否成功

Throws:

IOException - IOException

skipRecord

public boolean skipRecord()
                   throws IOException

跳过一行记录

Returns:

是否成功

Throws:

IOException - IOException

clear

public boolean clear()
              throws IOException

清空读取的当前行

Returns:

是否成功

Throws:

IOException - IOException

close

public void close()

Description copied from interface: SafeCloseable

安全关闭

Specified by:

close in interface SafeCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

getOption

public CsvReaderOption getOption()

setOption

public void setOption(CsvReaderOption option)

isQualified

public boolean isQualified(int columnIndex)

数据是否合法

Parameters:

columnIndex - index

Returns:

qualified

getCurrentColumnCount

public int getCurrentColumnCount()

获取列数

Returns:

列数

getCurrentIndex

public long getCurrentIndex()

获取当前记录索引

Returns:

当前记录索引

getHeaders

public String[] getHeaders()

获取标题

Returns:

标题

getHeader

public String getHeader(int columnIndex)

获取列的标题

Parameters:

columnIndex - 列

Returns:

标题

getHeaderIndex

public int getHeaderIndex(String headerName)

获取标题列的索引

Parameters:

headerName - 标题

Returns:

index 没找到返回-1

getHeaderCount

public int getHeaderCount()

获取标题数量

Returns:

数量