protected 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");//加载驱动
conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:ORCL", "SCOTT", "Lh19870426");//创建连接
stmt = conn.createStatement();//创建statement
rs = stmt.executeQuery("select * from ORACLETESTDATABASE"); //得到结果集
while(rs.next()){//遍历结果集
out.println("<tr>");
out.println("<td>" + rs.getString("name") + "</td>");//取出列值
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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