Java xml错误编码utf-8
那么当我写它显示奇怪的字符时,我一直在阅读和我必须使用FileOutputStream来解决问题,但我很新,我不知道该怎么做。我的代码是错误的,有一个错误,build(xml),我不知道我是否会以这种方式编写输出文件。Java xml错误编码utf-8
<?xml version="1.0" encoding="UTF-8"?>
<prueba>
<reg id="576340">
<dato cant="680" id="1" val="-1" num="" desc="résd" />
<dato cant="684" id="5" val="-1" num="" desc="да и вообще" />
<dato cant="1621" id="1" val="-1" num="" desc="Hi" />
<dato cant="1625" id="5" val="-1" num="" desc="Hola" />
</reg>
</prueba>
public static void main(String[] args) throws FileNotFoundException,
JDOMException, IOException {
SAXBuilder builder = new SAXBuilder();
File xml = new File("c:\\prueba3.xml");
Writer out = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(xml), "UTF8"));
Document doc = (Document) new SAXBuilder().build(xml);
Element raiz = doc.getRootElement();
List articleRow = raiz.getChildren("reg");
for (int i = 0; i < articleRow.size(); i++) {
Element row = (Element) articleRow.get(i);
List images = row.getChildren("dato");
for (int j = 0; j < images.size(); j++) {
Element row2 = (Element) images.get(j);
String texto = row2.getAttributeValue("desc") ;
String id = row2.getAttributeValue("id");
if ((texto != null) && (texto !="") &&
(id.equals("1") || id.equals("2"))){
//row2.getChild("desc").setText("valor");
out.append(row2.getAttribute("desc").setValue.
("raúl").toString());
}
}
}
out.flush();
out.close();
System.out.println("fin de programa");
}
这些输出数据
<?xml version="1.0" encoding="UTF-8"?>
<prueba>
<reg id="576340">
<dato cant="680" id="1" val="-1" num="" desc="ra/>
<dato cant="684" id="5" val="-1" num="" desc="..?? ? ??????/>
<dato cant="1621" id="1" val="-1" num="" desc="ra/>
<dato cant="1625" id="5" val="-1" num="" desc="Hola" />
</reg>
</prueba>
日志错误
Exception in thread "main" org.jdom.input.JDOMParseException: Error on line 1 of document file:/c:/prueba3.xml: Final de archivo prematuro.
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:530)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:905)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:884)
at Prueba.main(Prueba.java:27)Caused by: org.xml.sax.SAXParseException; systemId: file:/c:/prueba3.xml; lineNumber: 1; columnNumber: 1; Final de archivo prematuro.
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:518)
... 3 moreCaused by: org.xml.sax.SAXParseException; systemId: file:/c:/prueba3.xml; lineNumber: 1; columnNumber: 1; Final de archivo prematuro.
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$PrologDriver.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(Unknown Source)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:518)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:905)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:884)
at Prueba.main(Prueba.java:27)
我会感谢你的帮助。
根据目标的编码你必须决定如何将这些文件写入文件系统。你决定写'UTF8'。
Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(xml), "UTF8"));
你必须确保它加载了最新的程序知道它是在UTF-8编码。例如。记事本++允许选择与系统默认不同的编码。在大多数情况下,UTF-8不是系统默认的。所以你必须在加载文件时提供信息。
嗨,是的,这是我的想法,但我不知道该怎么做,我想用UTF 8编码,我在文章中编写的代码在执行Document doc =(Document)new SAXBuilder()时给出错误。生成(xml),说格式不正确。问候。 –
您是否尝试使用“UTF-8”而不是“UTF8”?或者你可以提供一个堆栈跟踪。 –
线程“main”中的异常org.jdom.input.JDOMParseException:文档文件第1行出错:/ c:/prueba3.xml:Final de archivo prematuro。 \t在org.jdom.input.SAXBuilder.build(SAXBuilder.java:530) \t在org.jdom.input.SAXBuilder.build(SAXBuilder.java:905) \t在org.jdom.input.SAXBuilder.build (SAXBuilder.java:884) \t at Prueba.main(Prueba.java:27) 原因:org.xml.sax.SAXParseException; systemId:file:/ c:/prueba3.xml; lineNumber:1; columnNumber:1; Final de archivo prematuro。 \t at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source) –
与此内容例如文件:
<?xml version="1.0" encoding="UTF-8"?> <prueba> <reg id="123456"> <dato cantidad="680" id="1" val="-1" num="" desc="résd" /> <dato cantidad="684" id="5" val="-1" num="" desc="да и вообще" /> <dato cantidad="1621" id="1" val="-1" num="" desc="Hi" /> <dato cantidad="1625" id="5" val="-1" num="" desc="Hola" /> </reg> </prueba>
可以使用DOM本地Java
实施例进行解析:
public static void main(String[] args) throws IOException, ParserConfigurationException, SAXException {
final File fXmlFile = new File("./Details2.xml");
final DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
final DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
final Document document = dBuilder.parse(fXmlFile);
document.getDocumentElement().normalize();
final NodeList regNodeList = document.getElementsByTagName("reg");
for (int counter = 0; counter < regNodeList.getLength(); counter++) {
final Node nNode = regNodeList.item(counter);
System.out.println("Current Element :" + nNode.getNodeName());
System.out.println("regs id : " + ((Element) nNode).getAttribute("id"));
final NodeList nList2 = ((Element) nNode).getElementsByTagName("dato");
for (int counterChilds = 0; counterChilds < nList2.getLength(); counterChilds++) {
final Node nNode2 = nList2.item(counterChilds);
if (nNode2.getNodeType() == Node.ELEMENT_NODE) {
final Element eElement = (Element) nNode2;
System.out.println(String.format("Cantidad %s,id %s,val %s,num %s,Desc %s",
eElement.getAttribute("cantidad"), eElement.getAttribute("id"),
eElement.getAttribute("val"), eElement.getAttribute("num"), eElement.getAttribute("desc")));
}
}
}
}
非常感谢,我有些疑惑,现在要修改属性的值,eElement.getAttribute(“desc”)。 SetValue(“raúl”)不存在,为了节省我应该怎么做?我从来没有使用节点,这是我的退出 Amount,id 1,val -1,num,Descrésd Amount,id 5,val - 1,num,Desc .. ?? ? ?????? ? ?????????? ? ???? 金额,id 1,val -1,num,描述hi 金额,id 5,val -1,数字,描述你好 –
嗨,俄文字符不好编码,你是俄文么? 。 问候。 –
*仅供参考:*此问题[与编码无关](http://*.com/questions/40512622/java-xml-error-encoding-utf-8#comment68275392_40512622)。 – Andreas
后请 –
完成了文件的内容,显示的字符,输出XML。 –
嘿...你需要使用JDom吗?或者我们可以使用无lib解决方案? –