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javab_20230617
Commit 8aa6a58e by Patryk Czarnik
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Lista produktów jako string i jako HTML

parent ff7fd78d
Showing with 84 additions and 0 deletions
PC24-SklepWeb/src/main/java/sklep/web/Products1.java 0 → 100644
package sklep.web;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import sklep.db.DBConnection;
import sklep.db.DBException;
import sklep.db.ProductDAO;
import sklep.model.Product;
@WebServlet("/products1")
public class Products1 extends HttpServlet {
@Override
protected void doGet(HttpServletRequest requets, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/plain");
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
out.println("Zaraz odczytam produkty z bazy za pomocą DAO...");
try(DBConnection db = DBConnection.open()) {
ProductDAO productDAO = db.productDAO();
List<Product> products = productDAO.readAll();
for(Product product : products) {
out.println(product);
}
} catch(DBException e) {
e.printStackTrace();
}
}
}
PC24-SklepWeb/src/main/java/sklep/web/Products2.java 0 → 100644
package sklep.web;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import sklep.db.DBConnection;
import sklep.db.DBException;
import sklep.db.ProductDAO;
import sklep.model.Product;
@WebServlet("/products2")
public class Products2 extends HttpServlet {
@Override
protected void doGet(HttpServletRequest requets, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>Lista produktów</title>");
out.println("<link rel='stylesheet' type='text/css' href='styl.css'>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Produkty</h1>");
try(DBConnection db = DBConnection.open()) {
ProductDAO productDAO = db.productDAO();
List<Product> products = productDAO.readAll();
for(Product product : products) {
out.println(product.toHtml());
}
out.println("</body>");
out.println("</html>");
} catch(DBException e) {
e.printStackTrace();
}
}
}
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