SpringMVC+Spring+mybatis 项目实践

码云地址：https://gitee.com/ZeroLuo328/java2enews.git 

注意是javaEESSM这个项目文件

 

创建项目，并整合ssm

 

 

 项目结构：

将MVCModel2的网页资源copy过来

 

导入要用到的包的坐标

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

<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.zero</groupId>
  <artifactId>javaEESSM</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>javaEESSM Maven Webapp</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
    <spring.version>5.0.2.RELEASE</spring.version>
    <slf4j.version>1.6.6</slf4j.version>
    <log4j.version>1.2.12</log4j.version>
    <mysql.version>5.1.6</mysql.version>
    <mybatis.version>3.4.5</mybatis.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.11</version>
      <scope>test</scope>
    </dependency>

    <!-- spring -->
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjweaver</artifactId>
      <version>1.6.8</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>${spring.version}</version>
    </dependency>


    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>${spring.version}</version>
    </dependency>

    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>test</scope>
    </dependency>

    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>${mysql.version}</version>
    </dependency>

    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>servlet-api</artifactId>
      <version>2.5</version>
      <scope>provided</scope>
    </dependency>

    <dependency>
      <groupId>javax.servlet.jsp</groupId>
      <artifactId>jsp-api</artifactId>
      <version>2.0</version>
      <scope>provided</scope>
    </dependency>

    <dependency>
      <groupId>jstl</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>

    <!-- log start -->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>${log4j.version}</version>
    </dependency>

    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-api</artifactId>
      <version>${slf4j.version}</version>
    </dependency>

    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-log4j12</artifactId>
      <version>${slf4j.version}</version>
    </dependency>
    <!-- log end -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>${mybatis.version}</version>
    </dependency>

    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>1.3.0</version>
    </dependency>

    <dependency>
      <groupId>commons-beanutils</groupId>
      <artifactId>commons-beanutils</artifactId>
      <version>1.8.0</version>
    </dependency>

  </dependencies>

  <build>
    <finalName>javaEESSM</finalName>
    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
      <plugins>
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.1.0</version>
        </plugin>
        <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.0</version>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.22.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-war-plugin</artifactId>
          <version>3.2.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>2.5.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>2.8.2</version>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
</project>
pom.xml

 

创建spring的配置文件applicationContext.xml，并整合SpringMVC和Mybatis

<?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:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!--开启注解的扫描，希望处理service和dao，controller不需要Spring框架去处理-->
    <context:component-scan base-package="com.zero" >
        <!--配置哪些注解不扫描-->
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
    </context:component-scan>

    <!--Spring整合MyBatis框架-->
    <!--配置连接池-->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/java2ee"/>
        <property name="username" value="root"/>
        <property name="password" value="47LfQlFq"/>
    </bean>

    <!--配置SqlSessionFactory工厂-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!--配置Dao接口所在包-->
    <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.zero.dao"/>
    </bean>

    <!--配置Spring框架声明式事务管理-->
    <!--配置事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!--配置事务通知-->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="find*" read-only="true"/>
            <tx:method name="*" isolation="DEFAULT"/>
        </tx:attributes>
    </tx:advice>

    <!--配置AOP增强-->
    <aop:config>
        <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.zero.service.impl.*ServiceImpl.*(..))"/>
    </aop:config>

</beans>
applicationContext.xml

 

 创建SpringMVC配置文件springmvc.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:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
    http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/context
    http://www.springframework.org/schema/context/spring-context.xsd
    http://www.springframework.org/schema/aop
    http://www.springframework.org/schema/aop/spring-aop.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd">

    <!--开启注解的扫描，希望处理service和dao，controller不需要Spring框架去处理-->
    <context:component-scan base-package="com.zero" >
        <!--配置哪些注解不扫描-->
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
    </context:component-scan>

    <!--Spring整合MyBatis框架-->
    <!--配置连接池-->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/java2ee"/>
        <property name="username" value="root"/>
        <property name="password" value="47LfQlFq"/>
    </bean>

    <!--配置SqlSessionFactory工厂-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!--配置Dao接口所在包-->
    <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.zero.dao"/>
    </bean>

    <!--配置Spring框架声明式事务管理-->
    <!--配置事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!--配置事务通知-->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="find*" read-only="true"/>
            <tx:method name="*" isolation="DEFAULT"/>
        </tx:attributes>
    </tx:advice>

    <!--配置AOP增强-->
    <aop:config>
        <aop:advisor advice-ref="txAdvice" pointcut="execution(* com.zero.service.impl.*ServiceImpl.*(..))"/>
    </aop:config>

</beans>
springmvc.xml

 

编写dao层

package com.zero.dao;

import com.zero.domain.User;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Repository;


@Repository
public interface UserDao {
    /**
     * 通过名字查询用户
     * @param username 要查询用户的姓名
     * @return
     */
    @Select("select * from user where username=#{username}")
    User findUserByName(String username);

}
UserDao
package com.zero.dao;

import com.zero.domain.News;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository
public interface NewsDao {
    /**
     * 查询所有的新闻
     * @return 所有新闻的内容
     */
    @Select("select * from news")
    List<News> findAllNews();

    /**
     * 根据id删除新闻
     * @param id 新闻的id
     */
    @Delete("delete from news where id=#{id}")
    void deleteById(int id);

    /**
     * 根据id查询新闻
     * @param id 要查询新闻的id
     * @return 新闻
     */
    @Select("select * from news where id=#{id}")
    News findNewsById(int id);

    /**
     * 插入新闻数据
     * @param news
     */
    @Insert("INSERT INTO news(title,content,author,cdate) VALUES(#{title},#{content},#{author},#{cdate})")
    void saveNews(News news);

    /**
     * 修改新闻
     * @param news 要修改的新闻
     */
    @Update("update news set title=#{title},content=#{content},author=#{author},cdate=#{cdate} where id=#{id}")
    void updateNews(News news);

}
NewsDao

 

编写实体类，其实和上一个作业的一样

package com.zero.domain;

import java.io.Serializable;

public class User implements Serializable {
    private String username;
    private String userpwd;

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getUserpwd() {
        return userpwd;
    }

    public void setUserpwd(String userpwd) {
        this.userpwd = userpwd;
    }

    @Override
    public String toString() {
        return "User{" +
                "username='" + username + '\'' +
                ", password='" + userpwd + '\'' +
                '}';
    }
}
User
package com.zero.domain;

import java.io.Serializable;
import java.util.Date;

public class News implements Serializable {
    private int id;
    private String title;
    private String content;
    private String author;
    private Date cdate;

    public int getId() {
        return id;
    }

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

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public String getAuthor() {
        return author;
    }

    public void setAuthor(String author) {
        this.author = author;
    }

    public Date getCdate() {
        return cdate;
    }

    public void setCdate(Date cdate) {
        this.cdate = cdate;
    }
}
News

 

然后是编写Service层

package com.zero.service;

import com.zero.domain.User;



public interface UserService {
    /**
     * 用于判断登录的用户名和密码是否正确
     * @param user 浏览器传过来的用户
     * @return 返回登录结果
     */
    boolean loginUser(User user);

}
UserService
package com.zero.service.impl;

import com.zero.dao.UserDao;
import com.zero.domain.User;
import com.zero.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service("userService")
public class UserServiceImpl implements UserService {
    @Autowired
    private UserDao userDao;

    @Override
    public boolean loginUser(User user) {
        User u = userDao.findUserByName(user.getUsername());
        if (user.getUsername().equals(u.getUsername()) && user.getUserpwd().equals(u.getUserpwd())){
            return true;
        }
        return false;
    }
}
UserServiceImpl
package com.zero.service;

import com.zero.domain.News;
import com.zero.domain.User;

import java.util.List;

public interface NewsService {
    /**
     * 得到所有的新闻
     * @return 所有的新闻
     */
    List<News> showNewsList();

    /**
     * 根据id得到新闻
     * @param id
     * @return
     */
    News findNewsById(int id);

    /**
     * 删除新闻
     * @param id 要删除新闻的id
     */
    void deleteNews(int id);

    /**
     * 保存添加的新闻
     * @param news
     */
    void saveNews(News news);

    /**
     * 修改新闻
     * @param news
     */
    void updateNews(News news);
}
NewsService
package com.zero.service.impl;

import com.zero.dao.NewsDao;
import com.zero.domain.News;
import com.zero.service.NewsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service("newsService")
public class NewsServiceImpl implements NewsService {

    @Autowired
    private NewsDao newsDao;

    @Override
    public List<News> showNewsList() {
        List<News> newsList = newsDao.findAllNews();
        return newsList;
    }

    @Override
    public News findNewsById(int id) {
        News news = newsDao.findNewsById(id);
        return news;
    }

    @Override
    public void deleteNews(int id) {
        newsDao.deleteById(id);
    }

    @Override
    public void saveNews(News news) {
        newsDao.saveNews(news);
    }

    @Override
    public void updateNews(News news) {
        newsDao.updateNews(news);
    }


}
NewsServiceImpl

 

接着是写Controller

package com.zero.controller;


import com.zero.domain.User;
import com.zero.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Controller
public class UserController {

    @Autowired
    private UserService userService;

    /**
     * 验证登录
     * @return
     */
    @RequestMapping("/login")
    public void login(HttpServletRequest request, HttpServletResponse response) throws IOException {
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        User user = new User();
        user.setUsername(username);
        user.setUserpwd(password);
        boolean b = userService.loginUser(user);
        if(b){
            Cookie userNameCo= new Cookie("username", username);
            userNameCo.setMaxAge(60*60*24*30);
            response.addCookie(userNameCo);

            Cookie userPwdCo= new Cookie("userpwd", password);
            userPwdCo.setMaxAge(60*60*24*30);
            response.addCookie(userPwdCo);

            // 这里添加一个error的cookie，用来判断用户名密码是否正确，200正确，400不正确
            Cookie errorCo = new Cookie("error","200");
            response.addCookie(errorCo);
            // 用户名密码正确跳转到主页面
            response.sendRedirect(request.getContextPath() + "/showlist");
            return;
        }
        // 不正确则继续返回登录界面
        Cookie errorCo = new Cookie("error","400");
        response.addCookie(errorCo);
        response.sendRedirect("/login.jsp");
    }
}
UserController
package com.zero.controller;

import com.zero.domain.News;
import com.zero.service.NewsService;
import org.apache.commons.beanutils.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.FilterChain;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;

@Controller
public class NewsController {

    @Autowired
    private NewsService newsService;


    /**
     * 展示所有新闻
     * @return
     */
    @RequestMapping("/showlist")
    public void showList(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, ParseException {
        List<News> newsList = newsService.showNewsList();
        request.setAttribute("newsList",newsList);
        request.getRequestDispatcher("/showlist.jsp").forward(request,response);
    }


    @RequestMapping("/edit")
    public void edit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        int id=Integer.valueOf( request.getParameter("id"));
        News news = newsService.findNewsById(id);
        request.setAttribute("news",news);
        request.getRequestDispatcher("/edit.jsp").forward(request,response);
    }

    @RequestMapping("/save")
    public void save(HttpServletRequest request, HttpServletResponse response) throws InvocationTargetException, IllegalAccessException, ParseException, IOException {
        Map parameterMap = request.getParameterMap();
        News news = new News();
        BeanUtils.populate(news,parameterMap);
        news.setCdate(new Date());
        if(news.getId() != 0){
            newsService.updateNews(news);
            response.sendRedirect( request.getContextPath() + "/showlist");
            return;
        }
        newsService.saveNews(news);
        response.sendRedirect(request.getContextPath() + "/showlist");
    }

    @RequestMapping("/delete")
    public void delete(HttpServletRequest request, HttpServletResponse response) throws IOException {
        int id=Integer.valueOf( request.getParameter("id"));
        newsService.deleteNews(id);
        response.sendRedirect(request.getContextPath() + "/showlist");
    }

    @RequestMapping("/view")
    public void view(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, ParseException {
        int id=Integer.valueOf( request.getParameter("id"));
        News news = newsService.findNewsById(id);
        request.setAttribute("news",news);
        request.getRequestDispatcher("/showone.jsp").forward(request,response);
    }


}
NewsController

 

还写了个过滤器，用来初始化index.jsp的数据用的，这里为了查数据写了个DBUtil

package com.zero.controller;


import com.zero.domain.News;
import com.zero.service.NewsService;
import com.zero.service.impl.NewsServiceImpl;
import com.zero.util.DBUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;

import javax.servlet.*;
import java.io.IOException;
import java.util.List;

public class IndexFilter implements Filter {

    @Override
    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException {
        Object newsList = req.getAttribute("newsList");
        if (newsList == null){
            List<News> list = DBUtil.getNewsList();
            req.setAttribute("newsList",list);
        }
        chain.doFilter(req, resp);
    }

    @Override
    public void init(FilterConfig config) throws ServletException {

    }

    @Override
    public void destroy() {

    }

}
IndexFilter
package com.zero.util;

import com.zero.domain.News;
import com.zero.service.NewsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.util.List;

@Component
public class DBUtil {
    @Autowired
    private NewsService newsService;

    public static DBUtil dbUtil;

    @PostConstruct
    public void init() {
        dbUtil = this;
    }

    public static List<News> getNewsList(){
        List<News> newsList = dbUtil.newsService.showNewsList();
        return newsList;
    }
}
DBUtil

 

web.xml的内容

<!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://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">


  <display-name>Archetype Created Web Application</display-name>

  <!-- 配置Spring的监听器 -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <!-- 配置加载类路径的配置文件 -->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>


  <!-- 配置前端控制器：服务器启动必须加载，需要加载springmvc.xml配置文件 -->
  <servlet>
    <servlet-name>dispatcherServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!-- 配置初始化参数，创建完DispatcherServlet对象，加载springmvc.xml配置文件 -->
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:springmvc.xml</param-value>
    </init-param>
    <!-- 服务器启动的时候，让DispatcherServlet对象创建 -->
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>dispatcherServlet</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>

  <!--解决中文乱码的过滤器-->
  <filter>
    <filter-name>characterEncodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>characterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
  </filter-mapping>

  <filter>
    <filter-name>indexFilter</filter-name>
    <filter-class>com.zero.controller.IndexFilter</filter-class>
  </filter>
  <filter-mapping>
    <filter-name>indexFilter</filter-name>
    <url-pattern>/index.jsp</url-pattern>
  </filter-mapping>
</web-app>
web.xml

 

最后的项目结构

 

 

最后的效果和MVC2一样

 

 

 

 

 

 

 

 

增删改查都没问题。

 

到此所有工作完成

码云地址：https://gitee.com/ZeroLuo328/java2enews.git 

注意是javaEESSM这个项目文件

posted @ 2020-06-22 14:27  奇怪的代码  阅读(403)  评论(0)  编辑  收藏  举报