jsp 增加，删除，读取xml文件中指定标记的内容代码

网页特效p/jsp.html target=_blank >jsp教程 增加，删除，读取xml文件中指定标记的内容代码

package xml;

import java.io.file;
import java.util.list;

import org.dom4j.document;
import org.dom4j.documentexception;
import org.dom4j.element;
import org.dom4j.qname;
import org.dom4j.io.saxreader;

public class dom4jtest {

private saxreader reader;
private document document;
private static string path = "c:/dom4jsample1.xml";

public dom4jtest(string str) throws documentexception {
reader = new saxreader();
document = reader.read(new file(str));
}

public static void main(string[] args) throws documentexception {
// todo auto-generated method stub
dom4jtest test = new dom4jtest(path);
test.getinfo();

}

public void getinfo() {
element root = document.getrootelement();

qname qname = new qname("ip");
list list = root.elements(qname);

for (int i = 0; i system.out.println(list.get(i).gettext());
}

}

}

public void add(string add) throws ioexception {
element root = document.getrootelement();
element e = root.addelement("ip");
e.settext(add);
writefile(document);
}

// 写入文件
private void writefile(document doc) throws ioexception {
filewriter out = new filewriter(path);
doc.write(out);
out.flush();
out.close();
}