Intellij IDEA +MAVEN+Jetty实现SpringMVC简单查询功能

1 pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>TestSpringMVC2</groupId>
  <artifactId>TestSpringMVC2</artifactId>
  <packaging>war</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>TestSpringMVC2 Maven Webapp</name>
  <url>http://maven.apache.org</url>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>

      <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>3.0.5.RELEASE</version>
      </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>4.3.1.RELEASE</version>
    </dependency>
    <!--spring-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-beans</artifactId>
      <version>4.3.1.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</artifactId>
      <version>4.3.1.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>4.3.1.RELEASE</version>
    </dependency>

    <!--Spring Web + Spring MVC-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>4.3.1.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>4.3.1.RELEASE</version>
    </dependency>

    <!--NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config-->
    <!-- https://mvnrepository.com/artifact/javax.servlet/jstl -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>

    <dependency>
      <groupId>taglibs</groupId>
      <artifactId>standard</artifactId>
      <version>1.1.2</version>
    </dependency>


    <!-- https://mvnrepository.com/artifact/javax.servlet.jsp/jsp-api -->
    <dependency>
      <groupId>javax.servlet.jsp</groupId>
      <artifactId>jsp-api</artifactId>
      <version>2.2</version>
    </dependency>


  </dependencies>

  <build>
    <finalName>TestSpringMVC2</finalName>

    <resources>
      <!--表示把java目录下的有关xml文件,properties文件编译/打包的时候放在resource目录下-->
      <resource>
        <directory>${basedir}/src/main/java</directory>
        <includes>
          <include>**/*.properties</include>
          <include>**/*.xml</include>
        </includes>
      </resource>
      <resource>
        <directory>${basedir}/src/main/resources</directory>
      </resource>
    </resources>
    <plugins>
      <!--servlet容器 jetty插件-->
      <plugin>
        <groupId>org.eclipse.jetty</groupId>
        <artifactId>jetty-maven-plugin</artifactId>
        <version>9.3.10.v20160621</version>
      </plugin>
    </plugins>
  </build>
</project>

2 web.xml

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >
  <web-app xmlns="http://java.sun.com/xml/ns/javaee"
           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
          http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
           version="3.0">

    <!--配置springmvc DispatcherServlet-->
    <servlet>
          <servlet-name>springMVC-servlet</servlet-name>
          <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
          <init-param>
               <param-name>contextConfigLocation</param-name>
              <param-value>classpath:springMVC-servlet.xml</param-value>
           </init-param>

         <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>springMVC-servlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!-- 配置HiddenHttpMethodFilter:把POST 请求转为DELETE/PUT 请求-->
    <filter>
        <filter-name>HiddenHttpMethodFilter</filter-name>
        <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>HiddenHttpMethodFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <context-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:applicationContext.xml</param-value>
    </context-param>

      <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>

</web-app>

3 applicationContext.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:p="http://www.springframework.org/schema/p"
        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd">
    <!-- 我们可以在其中添加我们所需要配置的bean，也可以添加相应的数据库连接和事务处理等等，方便后续拓展
           -->
</beans>

4 springMVC-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:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd">
    <mvc:annotation-driven />
    <mvc:default-servlet-handler/>

    <!-- 启动包扫描功能 -->
    <context:component-scan base-package="com.springmvc.crud" />

    <!-- 对模型视图名称的解析，在请求时模型视图名称添加前后缀 -->
    <bean id="viewResolverCommon" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/views/"/>
        <property name="suffix" value=".jsp"/>
        <property name="viewClass"  value="org.springframework.web.servlet.view.JstlView" />
    </bean>

</beans>

5 Employee.java

package com.springmvc.crud.entities;

/**
 * Created by wanggenshen_sx on 2016/12/23.
 */
public class Employee {
    private Integer id;
    private String lastName;
    private String email;


    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    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;
    }

    @Override
    public String toString() {
        return "Employee [id=" + id + ", lastName=" + lastName + ", email="
                + email +  "]";
    }

    public Employee(Integer id, String lastName, String email) {
        super();
        this.id = id;
        this.lastName = lastName;
        this.email = email;
    }

    public Employee() {
    }
}

6 EmployeeDao.java

package com.springmvc.crud.dao;

import com.springmvc.crud.entities.Employee;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

/**
 * Created by wanggenshen_sx on 2016/12/23.
 */
@Repository
public class EmployeeDao {

    private static Map<Integer,Employee> employees=null;

    static{
        employees = new HashMap<Integer, Employee>();

        employees.put(1001, new Employee(1001, "E-AA", "aa@163.com"));
        employees.put(1002, new Employee(1002, "E-BB", "bb@163.com"));
        employees.put(1003, new Employee(1003, "E-CC", "cc@163.com"));
        employees.put(1004, new Employee(1004, "E-DD", "dd@163.com"));
        employees.put(1005, new Employee(1005, "E-EE", "ee@163.com"));
    }

    private static Integer initId=1006;

    public void save(Employee employee){
        if(employee.getId()==null){
            employee.setId(initId++);
        }
        employees.put(employee.getId(), employee);
    }

    public Collection<Employee> getAll(){
        return employees.values();
    }
    public Employee get(Integer id){
        return employees.get(id);
    }

}

7 EmployeeController.java

package com.springmvc.crud.controller;

import com.springmvc.crud.dao.EmployeeDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Repository;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import java.util.Map;

/**
 * Created by wanggenshen_sx on 2016/12/23.
 */
@Controller
public class EmployeeController {
    @Autowired
    private EmployeeDao employeeDao;

    @RequestMapping(value ="listAll",method = RequestMethod.GET)
    public  String list(Map<String,Object> map){
        map.put("employees",employeeDao.getAll());
        return "list";
    }
}

8 success.jsp

<%--
  Created by IntelliJ IDEA.
  User: wanggenshen_sx
  Date: 2016/12/23
  Time: 9:10
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>success</title>
</head>
<body>
        Hello SpringMVC!
</body>
</html>