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(从工程中读取xml文件和在工程中创建一个xml文件的demo)
首先在包aa下建一个名为em.xml的文件,内容为
tian ping
111111
6.01.06.00
接着在aa下建一个Dom4jTest类,注意要导入以下的包
package aa;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import org.apache.log4j.Logger;
import org.dom4j.Attribute;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
public class Dom4jTest {
private static final Logger logger = Logger.getLogger(Dom4jTest.class);
public static void main(String[] args) throws IOException,
DocumentException {
BufferedReader reader=new BufferedReader(new FileReader("src/aa/em.xml"));
String tempStr;
String ewXml="";
while((tempStr=reader.readLine())!=null) {
ewXml=ewXml+tempStr;
logger.debug(tempStr);
System.out.println("tempStr++++++++ "+tempStr);
}
Element root = null;
root = DocumentHelper.parseText(ewXml).getRootElement();
Attribute rootCmd=root.attribute("cmd");
Attribute rootVersion=root.attribute("version");
logger.debug("rootNmae = "+root.getName());
logger.debug("EW'cmd = "+rootCmd.getValue());
logger.debug("EW'version = "+rootVersion.getValue());
// System.out.println("aaaaaaaaaaaaa "+root.getName());
// System.out.println("aaaaaaaaaaaaa "+rootCmd.getValue());
// System.out.println("aaaaaaaaaaaaa "+rootVersion.getValue());
Element usrName=root.element("Username");
logger.debug("EW.Username value = "+usrName.getTextTrim());
Element source=root.element("Source");
Attribute sourceUns=source.attribute("uns");
logger.debug("EW.Source'uns="+sourceUns.getValue());
Attribute sourceType=source.attribute("type");
logger.debug("EW.Source'type = "+sourceType.getValue());
//创建一个Xml文件
Element user=DocumentHelper.createElement("User");
user.addAttribute("type", "user");
user.addElement("name").addAttribute("type", "PinYin").setText("Julysea");
user.addElement("age").setText("29");
String oneXml=user.asXML();
BufferedWriter out=new BufferedWriter(new FileWriter("src/aa/oneXml.xml"));
out.write(oneXml);
out.close();
}
}
接下来要建一个log4j.properties文件,方便log4j的输出,内容如下:
# Set root logger level to DEBUG and its only appender to A1.
log4j.rootLogger=debug, stdout, R
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
# Pattern to output the caller's file name and line number.
log4j.appender.stdout.layout.ConversionPattern=%d %-5p [%C{1}]: %x %m %n
log4j.appender.R=org.apache.log4j.RollingFileAppender
log4j.appender.R.File=rich-client.log
log4j.appender.R.MaxFileSize=1000KB
# Keep one backup file
log4j.appender.R.MaxBackupIndex=100
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%d %-5p [%C{1}]: %x %m %n
源码下载
文件:
xml生成javabean.rar
大小:
13KB
下载:
下载
2006年8月7日jean
本文来自ChinaUnix博客,如果查看原文请点:http://blog.chinaunix.net/u/20665/showart_151820.html |
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