📄 findall.java
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package servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Set;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import dao.JdbcProductDao;
import dao.Product;
import dao.ProductDao;
public class FindAll extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
ProductDao dao=new JdbcProductDao();
Set<Product> set=dao.findAll();
response.setContentType("text/html;charset=gb18030");
response.setHeader("Cache-Control", "no-cache");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
RequestDispatcher dis=request.getRequestDispatcher("/tag.html");
dis.include(request, response);
out.println("产品列表：");
out.println("<table border='1'>");
for(Product p:set){
out.println("<tr><td>"+p.getId()+"</td><td>"+p.getName()+"</td> <td><a href='DeleteById?id="+p.getId()+"'>删除</a></td> </tr>");
}
out.println("</table>");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
}
}
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