① 소스내용
package dept;
import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.sql.*;
import common.*;
public class DeptServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setCharacterEncoding("euc-kr");
PrintWriter out = response.getWriter();
// 1. DB와 연결
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
try {
// InitListener에서 가지고 오기
DataSource ds = (DataSource)getServletContext().getAttribute("ds");
conn = ds.getConnection();
stmt = conn.createStatement();
rs = stmt.executeQuery("select * from dept");
// select * from dept
// 2. 쿼리문 날려서 결과를 가져온다.
// 3. 브라우저에 결과를 출력한다.
out.println("<table border='5' align='center' width='500' bordercolor='red'>");
out.println("<tr>");
out.println("<th>번호</th>");
out.println("<th>deptno</th>");
out.println("<th>deptname</th>");
out.println("<th>loc</th>");
out.println("</tr>");
int i=1;
while(rs.next()){
out.println("<tr align='center' color='red'>");
out.println("<th>"+i+"</th>");
out.println("<td>"+rs.getString(1)+"</td>");
out.println("<td>"+rs.getString(2)+"</td>");
out.println("<td>"+rs.getString(3)+"</td>");
out.println("</tr>");
i++;
}
out.print("</table>");
}catch (SQLException e) {
e.printStackTrace();
} finally {
try {
if(rs != null)rs.close();
} catch (SQLException e) {
e.printStackTrace();
} try {
if(stmt != null)stmt.close();
} catch (SQLException e) {
e.printStackTrace();
} try {
if(conn != null)conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
② 실행결과
모데스티
