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GenXML.java
资源名称:Java.rar [点击查看]
上传用户:liming9091
上传日期:2014-10-27
资源大小:3376k
文件大小:3k
源码类别:
Java编程
开发平台:
Java
- package tsinghuaip;
- import java.util.*;
- import java.io.*;
- import java.sql.Connection;
- import java.sql.DriverManager;
- import java.sql.SQLException;
- import java.sql.Statement;
- import java.sql.ResultSet;
- import java.sql.ResultSetMetaData;
- import java.sql.PreparedStatement;
- import org.w3c.dom.Document;
- import javax.xml.parsers.DocumentBuilder;
- import javax.xml.parsers.DocumentBuilderFactory;
- import org.w3c.dom.Element;
- import org.w3c.dom.Node;
- import org.w3c.dom.NodeList;
- import javax.xml.transform.dom.*;
- import javax.xml.transform.*;
- import javax.xml.transform.stream.StreamResult;
- import org.w3c.dom.Text;
- public class GenXML {
- private String strXmlFileName; //IP地址XML文件名
- private Connection conn = null;
- private ResultSet rs = null;
- private Statement stmt = null;
- private ResultSetMetaData resultmetadata = null;
- private PreparedStatement statement = null;
- private ResultSet resultset = null;
- private DocumentBuilderFactory docBuilderFactory;
- private DocumentBuilder docBuilder;
- private Document doc;
- private Element root;
- public GenXML() {
- strXmlFileName = new String();
- try {
- docBuilderFactory = DocumentBuilderFactory.newInstance();
- docBuilder = docBuilderFactory.newDocumentBuilder();
- doc = docBuilder.newDocument();
- doc.normalize();
- }
- catch (Exception e) {
- e.printStackTrace();
- }
- }
- //设置XML文件名
- public void SetXmlFileName(String strFileName) {
- strXmlFileName = strFileName;
- }
- public void SaveIPFromDB() throws Exception {
- String strColName = new String();
- String strColVal = new String();
- //进行数据库得连接
- Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
- String url = "jdbc:microsoft:sqlserver://localhost:1433;" +
- "DatabaseName=CampusIP";
- conn = DriverManager.getConnection(url, "sa", "");
- stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
- ResultSet.CONCUR_UPDATABLE);
- statement = conn.prepareStatement("select * from IPInfo");
- resultset = statement.executeQuery();
- resultmetadata = resultset.getMetaData();
- int intCols = resultmetadata.getColumnCount();
- root = doc.createElement("IPADDRESS");
- while (resultset.next()) {
- Element nodeIPPhase = doc.createElement("IPPHASE");
- for (int i = 1; i <= intCols; i++) {
- strColName = resultmetadata.getColumnName(i);
- strColVal = resultset.getString(i);
- Element nodeElement = doc.createElement(strColName);
- Text data = doc.createTextNode(strColVal);
- nodeElement.appendChild(data);
- nodeIPPhase.appendChild(nodeElement);
- System.out.println(strColVal);
- }
- root.appendChild(nodeIPPhase);
- }
- doc.appendChild(root);
- Source source = new DOMSource(doc);
- File file = new File(strXmlFileName);
- BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(
- strXmlFileName));
- StreamResult result = new StreamResult(bufferedWriter);
- Transformer xformer = TransformerFactory.newInstance().newTransformer();
- xformer.transform(source, result);
- }
- }