xml:
<?xml version="1.0" encoding="UTF-8"?>
<App-Config>
<save-dbs>
<db>
<host>localhost</host>
<user>ff</user>
<port>5432</port>
<ssl>false</ssl>
</db>
<db>
<host>xyz</host>
<user>fff</user>
<port>5432</port>
<ssl>true</ssl>
</db>
</save-dbs>
</App-Config>
-----------------------------------------------
java:root.getChild("save-dbs").getChildren().remove(0);
-------------------------------------------------------
运行了之后xml中数据还是没有remove掉,应该怎么删除xml信息呢?
<?xml version="1.0" encoding="UTF-8"?>
<App-Config>
<save-dbs>
<db>
<host>localhost</host>
<user>ff</user>
<port>5432</port>
<ssl>false</ssl>
</db>
<db>
<host>xyz</host>
<user>fff</user>
<port>5432</port>
<ssl>true</ssl>
</db>
</save-dbs>
</App-Config>
-----------------------------------------------
java:root.getChild("save-dbs").getChildren().remove(0);
-------------------------------------------------------
运行了之后xml中数据还是没有remove掉,应该怎么删除xml信息呢?
import java.io.*;...
BufferedOutputStream out =
new BufferedOutputStream(
new FileOutputStream("03.xml")); // 你的文件名。XMLOutputter outputer =
new XMLOutputter();outputer.output(root, out);
------------------------
<?xml version="1.0" encoding="UTF-8"?>
<App-Config>
<save-dbs>
</save-dbs>
</App-Config>
Document doc = sb.build(fi);
Element root = doc.getRootElement(); //得到根元素
List books = root.getChildren(); //得到根元素所有子元素的集合
int id;//你要删除的元素标识
books.remove(id);这样就可以了,我用过。
XMLOutputter outputer =
new XMLOutputter();改为:
XMLOutputter outputer =
new XMLOutputter(org.jdom.output.Format.getPrettyFormat());