org.dromara.hutool.poi.csv

Class CsvParser

java.lang.Object

org.dromara.hutool.core.collection.iter.ComputeIter<CsvRow>

org.dromara.hutool.poi.csv.CsvParser

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable, Iterator<CsvRow>

public final class CsvParser
extends ComputeIter<CsvRow>
implements Closeable, Serializable

CSV行解析器，参考：FastCSV

Author:

Looly

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CsvParser(Reader reader, CsvReadConfig config) CSV解析器
CsvParser(Reader reader, CsvReadConfig config, int bufferSize) CSV解析器

Method Summary

Modifier and Type	Method and Description
void	close()
protected CsvRow	computeNext()
List<String>	getHeader() 获取头部字段列表，如果headerLineNo < 0，抛出异常
CsvRow	nextRow() 读取下一行数据

Methods inherited from class org.dromara.hutool.core.collection.iter.ComputeIter

finish, hasNext, next

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Detail

CsvParser

public CsvParser(Reader reader,
                 CsvReadConfig config)

CSV解析器

Parameters:

reader - Reader

config - 配置，null则为默认配置

CsvParser

public CsvParser(Reader reader,
                 CsvReadConfig config,
                 int bufferSize)

CSV解析器

Parameters:

reader - Reader

config - 配置，null则为默认配置

bufferSize - 默认缓存大小

Method Detail

getHeader

public List<String> getHeader()

获取头部字段列表，如果headerLineNo < 0，抛出异常

Returns:

头部列表

Throws:

IllegalStateException - 如果不解析头部或者没有调用nextRow()方法

computeNext

protected CsvRow computeNext()

Specified by:

computeNext in class ComputeIter<CsvRow>

nextRow

public CsvRow nextRow()
               throws IORuntimeException

读取下一行数据

Returns:

CsvRow

Throws:

IORuntimeException - IO读取异常

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException