转自：http://blog.csdn.net/kusey/article/details/7241320

@H_403_2@ QString filename = QFileDialog::getSaveFileName( this,"Save","","*.xml" ); QFile file( filename ); if( !file.open(QIODevice::WriteOnly | QIODevice::Text) ) { return; } QDomDocument document; QString strHeader( "version=\"1.0\" encoding=\"UTF-8\"" ); document.appendChild( document.createProcessingInstruction("xml",strHeader) ); QDomElement root_elem = document.createElement( "items" ); root_elem.setAttribute( "id",1 ); document.appendChild( root_elem ); QDomElement item1 = document.createElement( "item" ); item1.setAttribute( "src","<>" ); item1.setAttribute( "dst","<>" ); root_elem.appendChild( item1 ); QDomElement item2 = document.createElement( "item" ); item2.setAttribute( "src",""'&" ); item2.setAttribute( "dst","\"'&" ); root_elem.appendChild( item2 ); QDomElement item3 = document.createElement( "item" ); item3.setAttribute( "src",tr("测试数据") ); item3.setAttribute( "dst",tr("一二三四") ); root_elem.appendChild( item3 ); QTextStream out( &file ); document.save( out,4 ); file.close();

生成的xml的格式如下：

<?xml version="1.0" encoding="UTF-8"?>

<items id="1">

<item src="&amp" dst="&it"/>

<item src="&amp" dst="&it"/>

<item src="测试数据" dst="一二三四"/>

</items>