@Override public Product getProductById(int id) return productDAO.getProductById(id);
USE spring_hibernate_db;
package com.example.springmvc.entity; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.Table; @Entity @Table(name = "customer") public class Customer { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Column(name = "id") private int id; @Column(name = "first_name") private String firstName; @Column(name = "last_name") private String lastName; @Column(name = "email") private String email; // Getters, Setters, and Constructors public Customer() {} public int getId() return id; public void setId(int id) this.id = id; public String getFirstName() return firstName; public void setFirstName(String firstName) this.firstName = firstName; public String getLastName() return lastName; public void setLastName(String lastName) this.lastName = lastName; public String getEmail() return email; public void setEmail(String email) this.email = email; } Use code with caution. 3. Data Access Object (DAO) Layer spring mvc with hibernate example
Plain Old Java Objects (POJOs) mapped to database tables.
to open sessions and perform CRUD operations (Create, Read, Update, Delete). Service Layer to open sessions and perform CRUD operations (Create,
import com.example.model.User; import com.example.service.UserService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.validation.BindingResult; import org.springframework.web.bind.annotation.*; import javax.validation.Valid; import java.util.List;
What do you plan to use (MySQL, PostgreSQL, or Oracle)? ⚙️ Java-Based Configuration
org.springframework spring-webmvc 5.3.30 org.springframework spring-orm 5.3.30 org.hibernate hibernate-core 5.6.15.Final com.mysql mysql-connector-j 8.0.33 org.hibernate hibernate-c3p0 5.6.15.Final javax.servlet javax.servlet-api 4.0.1 provided javax.servlet.jsp javax.servlet.jsp-api 2.3.3 provided javax.servlet jstl 1.2 Use code with caution. ⚙️ Java-Based Configuration