Spring MVC入门Demo

1 参考http://blog.csdn.net/haishu_zheng/article/details/51490299，用第二种方法创建一个名为springmvcdemo的Maven工程。

2 文件目录结构如下图所示

3 pom.xml中的完整内容为

1. <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
2. xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
3. <modelVersion>4.0.0</modelVersion>
4. <groupId>springmvcdemo</groupId>
5. <artifactId>springmvcdemo</artifactId>
6. <version>0.0.1-SNAPSHOT</version>
7. <packaging>war</packaging>
8. <name>springmvcdemo</name>
9. <description />
10. <properties>
11. <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
12. </properties>
13. <dependencies>
14. <dependency>
15. <groupId>org.springframework</groupId>
16. <artifactId>spring-web</artifactId>
17. <version>3.2.9.RELEASE</version>
18. </dependency>
19. <dependency>
20. <groupId>org.springframework</groupId>
21. <artifactId>spring-webmvc</artifactId>
22. <version>3.2.9.RELEASE</version>
23. </dependency>
24. <dependency>
25. <groupId>javax</groupId>
26. <artifactId>javaee-api</artifactId>
27. <version>7.0</version>
28. <scope>provided</scope>
29. </dependency>
30. <dependency>
31. <groupId>org.glassfish.web</groupId>
32. <artifactId>javax.servlet.jsp.jstl</artifactId>
33. <version>1.2.2</version>
34. </dependency>
35. </dependencies>
36. <build>
37. <plugins>
38. <plugin>
39. <artifactId>maven-compiler-plugin</artifactId>
40. <version>2.3.2</version>
41. <configuration>
42. <source>1.7</source>
43. <target>1.7</target>
44. </configuration>
45. </plugin>
46. <plugin>
47. <artifactId>maven-war-plugin</artifactId>
48. <version>2.2</version>
49. <configuration>
50. <version>3.1</version>
51. <failOnMissingWebXml>false</failOnMissingWebXml>
52. </configuration>
53. </plugin>
54. </plugins>
55. </build>
56. </project>

4 web.xml中的完整内容为

1. <?xml version="1.0" encoding="UTF-8"?>
2. <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
3. xmlns="http://xmlns.jcp.org/xml/ns/javaee"
4. xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
5. id="WebApp_ID" version="3.1">
6. <display-name>springmvcdemo</display-name>
7. <servlet>
8. <servlet-name>spring</servlet-name>
9. <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
10. <init-param>
11. <param-name>contextConfigLocation</param-name>
12. <param-value>/WEB-INF/applicationContext.xml</param-value>
13. </init-param>
14. <load-on-startup>1</load-on-startup>
15. </servlet>
16. <servlet-mapping>
17. <servlet-name>spring</servlet-name>
18. <url-pattern>/</url-pattern>
19. </servlet-mapping>
20. </web-app>

5 applicationContext.xml中的完整内容为：

1. <beans xmlns="http://www.springframework.org/schema/beans"
2. xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
3. xmlns:context="http://www.springframework.org/schema/context"
4. xsi:schemaLocation="http://www.springframework.org/schema/beans
5. http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
6. http://www.springframework.org/schema/context
7. http://www.springframework.org/schema/context/spring-context-3.0.xsd">
8. <context:component-scan base-package="com.demo" />
9. <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />
10. <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
11. <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
12. <property name="prefix" value="/WEB-INF/views/" />
13. <property name="suffix" value=".jsp" />
14. </bean>
15. </beans>

6 Student.Java中的完整代码为

1. package com.demo.model;
2. import java.io.Serializable;
3. public class Student implements Serializable {
4. private static final long serialVersionUID = 1L;
5. private Integer id;
6. private String name;
7. public Integer getId() {
8. return id;
9. }
10. public void setId(Integer id) {
11. this.id = id;
12. }
13. public String getName() {
14. return name;
15. }
16. public void setName(String name) {
17. this.name = name;
18. }
19. @Override
20. public String toString() {
21. return "Student [id=" + id + ", name=" + name + "]";
22. }
23. }

7 StudentDao.java中的完整代码为

1. package com.demo.dao;
2. import java.util.List;
3. import com.demo.model.Student;
4. public interface StudentDao {
5. public List<Student> getAllStudents();
6. }

8 StudentDaoImpl.java中的完整代码为

1. package com.demo.dao;
2. import java.util.ArrayList;
3. import java.util.List;
4. import org.springframework.stereotype.Repository;
5. import com.demo.model.Student;
6. @Repository
7. public class StudentDaoImpl implements StudentDao {
8. public List<Student> getAllStudents() {
9. List<Student> students = new ArrayList<Student>();
10. Student stu1 = new Student();
11. stu1.setId(1);
12. stu1.setName("Zhang San");
13. students.add(stu1);
14. Student stu2 = new Student();
15. stu2.setId(2);
16. stu2.setName("Li Si");
17. students.add(stu2);
18. return students;
19. }
20. }

9 StudentManager.java中的完整代码为：

1. package com.demo.service;
2. import java.util.List;
3. import com.demo.model.Student;
4. public interface StudentManager {
5. public List<Student> getAllStudents();
6. }

10 StudentManagerImpl.java中的完整代码为：

1. package com.demo.service;
2. import java.util.List;
3. import org.springframework.stereotype.Service;
4. import org.springframework.beans.factory.annotation.Autowired;
5. import com.demo.dao.StudentDao;
6. import com.demo.model.Student;
7. import com.demo.service.StudentManager;
8. @Service
9. public class StudentManagerImplimplements StudentManager{
10. @Autowired
11. StudentDao dao;
12. publicList<Student> getAllStudents() {
13. return dao.getAllStudents();
14. }
15. }

11 StudentController.java中的完整代码为：

1. package com.demo.controller;
2. import org.springframework.beans.factory.annotation.Autowired;
3. import org.springframework.stereotype.Controller;
4. import org.springframework.web.bind.annotation.RequestMapping;
5. import org.springframework.web.bind.annotation.RequestMethod;
6. import org.springframework.ui.Model;
7. import com.demo.service.StudentManager;
8. @Controller
9. @RequestMapping("/student-module")
10. public class StudentController {
11. @Autowired
12. StudentManager manager;
13. @RequestMapping(value = "/getStudentInfo", method = RequestMethod.GET)
14. public String getStudentInfo(Model model) {
15. model.addAttribute("students", manager.getAllStudents());
16. return "showStudentInfo";
17. }
18. }

12 showStudentInfo.jsp中的完整代码为：

1. <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
2. <%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>
3. <html>
4. <head>
5. <title>Spring MVC Demo</title>
6. </head>
7. <body>
8. <h2>All Students</h2>
9. <table border="1">
10. <tr>
11. <th>Student Id</th>
12. <th>Student Name</th>
13. </tr>
14. <c:forEach items="${students}" var="student">
15. <tr>
16. <td>${student.id}</td>
17. <td>${student.name}</td>
18. </tr>
19. </c:forEach>
20. </table>
21. </body>
22. </html>

13 将springmvcdemo添加进Tomcat7中并运行

在浏览器中输入

http://localhost:8080/springmvcdemo/student-module/getStudentInfo

显示结果为

14 源码下载地址

CSDN：http://download.csdn.net/detail/haishu_zheng/9531315

Github：https://github.com/zhenghaishu/SpringMVC-Demo