ADD file via upload

back/src/com/demo/users/QueryAllUsersServlet.java

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+package com.demo.users;
+
+import java.io.IOException;
+
+
+
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.time.LocalTime;
+import java.util.ArrayList;
+
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletContextEvent;
+import javax.sql.DataSource;
+
+import com.Dao.Dao;
+import com.domain.GetDBConnection;
+import com.domain.SqlStr;
+import com.domain.TypeFlag;
+import com.domain.Types;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * Servlet implementation class QueryServlet
+ */
+@WebServlet("/query-servlet")
+public class QueryAllUsersServlet extends HttpServlet {
+	private static final long serialVersionUID = 1L;
+       
+    /**
+     * @see HttpServlet#HttpServlet()
+     */
+    public QueryAllUsersServlet() {
+        super();
+        // TODO Auto-generated constructor stub
+    }
+
+	/**
+	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
+	 */
+	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+		// TODO Auto-generated method stub
+
+		ArrayList<Types> userlist = new ArrayList<>();	
+		Dao usersdao=new Dao();
+		userlist=usersdao.queryAllUsers(SqlStr.select_allusers);
+		request.setAttribute("userlist", userlist);
+		RequestDispatcher view = request.getRequestDispatcher("/showusers.jsp");
+		view.forward(request, response);
+	}
+}
+
+