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這篇文章給大家分享的是有關(guān)Servlet如何連接Oracle的內(nèi)容。小編覺(jué)得挺實(shí)用的,因此分享給大家做個(gè)參考,一起跟隨小編過(guò)來(lái)看看吧。
把oracle的驅(qū)動(dòng)$ORACL_HOME/jdbc/lib/ojdbc6.jar拷貝到D:\Tomcat5.5.17\webapps\my\WEB-INF\lib。(因?yàn)檫\(yùn)行時(shí)需要該jar包)
package test;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.sql.*;
public class Conndb extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
response.setContentType("text/html");
response.setCharacterEncoding("gb2312");
PrintWriter out = response.getWriter();
out.println("<table border=1>");
out.println("<tr><td>Content:</td></tr>");
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
conn = DriverManager.getConnection("jdbc:oracle:thin:@192.168.1.250:1521:test", "scott", "tiger");
stmt = conn.createStatement();
rs = stmt.executeQuery("select * from emp");
while(rs.next()){
out.println("<tr>");
out.println("<td>" + rs.getString("ename") + "</td>");
out.println("<td>" + rs.getString("MGR") + "</td>");
out.println("</tr>");
}
out.println("</table>");
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
} finally {
try {
if(rs != null) {
rs.close();
rs = null;
}
if(stmt != null) {
stmt.close();
stmt= null;
}
if(conn != null) {
conn.close();
conn = null;
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
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