我有一个 xml 文件(ABC.xml),我只需要复制
<Transaction>...</Transaction>
多次(超过 100000 次)保持 Header 和 Trailer 完整,创建最终大小可能高达 1GB 的 NEW.xml。此外,我必须按顺序为每笔交易增加 Uniqueid。
作为 xml 的新手,我一直在寻找最好的方法,但我很困惑。谁能帮助我最好的方法(使用DOM或SAX)和一些代码。你也可以给我一些关于它的链接。
ABC.xml
========
<?xml version="1.0" encoding="UTF-8"?>
<Header><Datetime><date>20130209</date><Time>01:12</Time></Datetime></Header>
<Transaction>
<Uniqueid>1230001</Uniqueid>
<Affiliate>
<Name>abc</Name>
<Address>
<line1>aaaa</line1>
<line2>bbbb</line2>
<line3>cccc</line3>
</Address>
<Amount>123.00</Amount>
<Currency>USD</Currency>
<Purpose>
<line1>aaaa</line1>
<line2>bbbb</line2>
<line3>cccc</line3>
</Purpose>
</Affiliate>
</Transaction>
<Trailer><TotalTransactions>1</TotalTransactions><TotalAmount>123<TotalAmount> </Trailer>
NEW.xml
=======
<?xml version="1.0" encoding="UTF-8"?>
<Header><Datetime><date>20130209</date><Time>01:12</Time></Datetime></Header>
<Transaction>
<Uniqueid>1230001</Uniqueid>
<Affiliate>
<Name>abc</Name>
<Address>
<line1>aaaa</line1>
<line2>bbbb</line2>
<line3>cccc</line3>
</Address>
<Amount>123.00</Amount>
<Currency>USD</Currency>
<Purpose>
<line1>aaaa</line1>
<line2>bbbb</line2>
<line3>cccc</line3>
</Purpose>
</Affiliate>
</Transaction>
<Transaction>
<Uniqueid>1230002</Uniqueid>
<Affiliate>
<Name>abc</Name>
<Address>
<line1>aaaa</line1>
<line2>bbbb</line2>
<line3>cccc</line3>
</Address>
<Amount>123.00</Amount>
<Currency>USD</Currency>
<Purpose>
<line1>aaaa</line1>
<line2>bbbb</line2>
<line3>cccc</line3>
</Purpose>
</Affiliate>
</Transaction>
<Trailer><TotalTransactions>2</TotalTransactions><TotalAmount>246<TotalAmount></Trailer>