Spring MVC

Step(1): Create Dynamic web project and add following libraries

Step(2): Add the following files

Student.java

package com.kamal.model;

public class Student {

  private String name;

  private String address;

  private Integer age;

  private String phone;

  private Integer id;

public Integer getId() {

  return id;

}

public void setId(Integer id) {

  this.id = id;

}

public String getName() {

  return name;

}

public void setName(String name) {

  this.name = name;

}

public String getAddress() {

  return address;

}

public void setAddress(String address) {

  this.address = address;

}

public Integer getAge() {

  return age;

}

public void setAge(Integer age) {

  this.age = age;

}

public String getPhone() {

  return phone;

}

public void setPhone(String phone) {

  this.phone = phone;

  }

}

StudentService.java

package com.kamal.service;

import java.util.List;

import org.springframework.transaction.annotation.Transactional;

import com.kamal.model.Student;

public interface StudentService {

@Transactional

public Student getStudent(int id);

public void delete(int id);

public void update(int id, Student s);

public void create(Student s);

@Transactional

public List<Student> getAll();

}

StudentServiceImpl.java

package com.kamal.service;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.List;

import org.springframework.jdbc.core.RowMapper;

import org.springframework.stereotype.Service;

import com.kamal.model.Student;

@Service("studentService")

public class StudentServiceImpl extends

org.springframework.jdbc.core.JdbcTemplate

implements StudentService {

//returns the list of students

@Override

public List<Student> getAll() {

      String sql = "SELECT * FROM Student";

      List<Student> std = query(sql, new RowMapper<Student>() {

@Override

public Student mapRow(ResultSet rs, int rowNum) 

                   throws SQLException {

                         Student s = new Student();

                         s.setAddress(rs.getString("address"));

                         s.setName(rs.getString("name"));

                         s.setAge(rs.getInt("age"));

                         s.setId(rs.getInt("id"));

                         s.setPhone(rs.getString("phone"));

                        return s;

                   }

});

              return std;

}

//create student

@Override

public void create(Student s) {

String sql = "INSERT INTO Student  (name, address, age, phone) VALUES(?,?,?,?)";

update(sql, new Object[] { s.getName(), s.getAddress(), s.getAge(), s.getPhone() });

}

//update student with given id

@Override

public void update(int id, Student s) {

String sql = "UPDATE Student SET name=?, address=?, age=?, phone=? WHERE id=?";

update(sql, new Object[] { s.getName(), s.getAddress(), s.getAge(),

s.getPhone(), id });

}

//delete student with given id

@Override

public void delete(int id) {

String sql = "DELETE FROM Student WHERE id=?";

update(sql, id);

}

//returns student with given id

@Override

public Student getStudent(int id) {

String sql = "SELECT * FROM Student where id=?";

Student std = queryForObject(sql, new Object[] { id },

                             new RowMapper<Student>() {

                          public Student mapRow(ResultSet rs, int rowNum)

                               throws SQLException {

                              Student s = new Student();

                              s.setAddress(rs.getString("address"));

                              s.setName(rs.getString("name"));

                              s.setAge(rs.getInt("age"));

                              s.setId(rs.getInt("id"));

                              s.setPhone(rs.getString("phone"));

                 return s;

          }

});

             return std;

   }

}

 

MainController.java

package com.kamal.controller;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.bind.annotation.RequestParam;

import org.springframework.web.servlet.ModelAndView;

import com.kamal.model.Student;

import com.kamal.service.StudentService;

@Controller

@RequestMapping(value = "/student")

public class MainController {

@Autowired

private StudentService studentService;

@RequestMapping(value = "/add", method = RequestMethod.GET)

public ModelAndView showForm(Model model) {

return new ModelAndView("form", "command", new Student());

}

@RequestMapping(value="/add", method = RequestMethod.POST)

public String getFromForm(@RequestParam(value = "name") String name, @RequestParam(value="address") String address,

@RequestParam(value = "phone") String phone,

@RequestParam(value = "age") int age, Model model) {

           Student std = new Student();

           std.setAddress(address);

           std.setAge(age);

           std.setName(name);

           std.setPhone(phone);

           studentService.create(std);

        List<Student> students = studentService.getAll();

        model.addAttribute("student", students);

   return "redirect:view";

}

@RequestMapping(value="/edit", method = RequestMethod.GET)

public String editForm(Model model,@RequestParam("id")int id) {

Student student = studentService.getStudent(id);

model.addAttribute("student", student);

return "edit";

}

@RequestMapping(value="/edit", method = RequestMethod.POST)

public String editFormPost(Model model, @RequestParam("id") int id,

@RequestParam(value = "name", required = true) String name,

@RequestParam(value = "address", required = true) String address,

@RequestParam(value = "phone", required = true) String phone,

@RequestParam(value = "age", required = true) int age) {

         Student student = new Student();

         student.setId(id);

         student.setName(name);

         student.setAddress(address);

         student.setPhone(phone);

         student.setAge(age);

         studentService.update(id, student);

         List<Student> students = studentService.getAll();

         model.addAttribute("student", students);

         return "redirect:view";

   }

@RequestMapping(value = "/view")

public String dispResult( Model model) {

     List<Student> listOfStudent = studentService.getAll();

     model.addAttribute("student", listOfStudent);

     return "view";

}

@RequestMapping(value="/delete",method = RequestMethod.GET)

public String editFormPost(Model model, @RequestParam("id") Integer id) {

       studentService.delete(id);

       List<Student> students = studentService.getAll();

       model.addAttribute("student", students);

      return "redirect:view";

   }

}

form.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<%@taglib prefix="form" uri="http://www.springframework.org/tags/form"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

   <head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>Add Student Form</title>

   </head>

  <body>

    <table>

     <form:form method="post" action="add">

   <tr>

     <td><form:label path="name">Name</form:label></td>

     <td><form:input path="name"></form:input></td>

  </tr>

  <tr>

   <td><form:label path="address">Address</form:label></td>

   <td><form:input path="address"></form:input></td>

  </tr>

  <tr>

    <td><form:label path="age">Age</form:label></td>

    <td><form:input path="age"></form:input></td>

  </tr>

  <tr>

   <td><form:label path="phone">Phone</form:label></td>

   <td><form:input path="phone"></form:input></td>

</tr>

<tr>

  <td><input type="submit" value="add"></td>

</tr>

   </form:form>

  </table>

 </body>

</html>

edit.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>Edit Form</title>

 </head>

  <body>

   <form method="post" action="edit">

<table>

<tr>

  <td><input name="id" type="hidden"value="${student.id}"></td>

</tr>

<tr>

  <td>Name</td>

  <td><input type="text" name="name" value="${student.name}"></td>

</tr>

<tr>

<td>Address</td>

<td><input type="text" name="address" id="address"

value="${student.address}"></td>

</tr>

<tr>

<td>Phone</td>

<td><input type="text" name="phone" value="${student.phone}"></td>

</tr>

<tr>

<td>Age</td>

<td><input type="text" name="age" value="${student.age}"></td>

</tr>

<tr>

<td><input type="submit" value="update"></td>

</tr>

</table>

</form>

</body>

</html>

view.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>Student List</title>

</head>

<body>

<a href="add">Add</a>

<table>

  <thead>

    <tr>

      <td>Id</td>

      <td>Name</td>

      <td>Address</td>

      <td>Age</td>

      <td>Phone</td>

   </tr>

  </thead>

<tbody>

   <c:forEach var="student" items="${student}">

   <tr>

     <td>${student.id}</td>

     <td>${student.name}</td>

     <td>${student.address}</td>

     <td>${student.age}</td>

     <td>${student.phone}</td>

     <td><a href="edit?id=${student.id}">Edit</a></td>

     <td><a href="delete?id=${student.id}">Delete</a></td>

  </tr>

  </c:forEach>

</tbody>

 </table>

  </body>

</html>

Web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"

id="WebApp_ID" version="3.0">

<display-name>SpringTutorial</display-name>

<context-param>

<param-name>contextConfigLocation</param-name>

<param-value>/WEB-INF/spring-servlet.xml</param-value>

</context-param>

<servlet>

<servlet-name>spring</servlet-name>

<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

</servlet>

<servlet-mapping>

<servlet-name>spring</servlet-name>

<url-pattern>/</url-pattern>

</servlet-mapping>

</web-app>

spring-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"

xmlns:tx="http://www.springframework.org/schema/tx"

xsi:schemaLocation="http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans-3.0.xsd

http://www.springframework.org/schema/context

http://www.springframework.org/schema/context/spring-context-3.0.xsd

http://www.springframework.org/schema/tx

http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">

<context:component-scan base-package="com.kamal"></context:component-scan>

<bean  class="org.springframework.web.servlet.view.InternalResourceViewResolver">

<property name="prefix" value="/WEB-INF/jsp/"></property>

<property name="suffix" value=".jsp"></property>

</bean>

<bean id="dataSource"

class="org.springframework.jdbc.datasource.DriverManagerDataSource">

<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>

<property name="url">

<value>jdbc:mysql://localhost:3306/studentdb</value>

</property>

<property name="username"><value>root</value></property>

<property name="password"><value></value> </property>

</bean>

<bean id="studentService" class="com.kamal.service.StudentServiceImpl">

<property name="dataSource" ref="dataSource"></property>

</bean>

<bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

<property name="dataSource" ref="dataSource" />

</bean>

<tx:annotation-driven transaction-manager="txManager" />

</beans>