使用IDEA搭建SSH项目

雨点打透心脏的1/2处 2022-04-11 04:40 518阅读 0赞

三层架构如下：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTU5NTcwMA_size_16_color_FFFFFF_t_70][]

pom.xml文件导入相应jar包：

<?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/maven-v4_0_0.xsd">
    
      <modelVersion>4.0.0</modelVersion>
      <packaging>war</packaging>
    
      <name>studentMsg</name>
      <groupId>com.accp</groupId>
      <artifactId>studentMsg</artifactId>
      <version>1.0-SNAPSHOT</version>
    
        <properties>
            <hibernate-version>4.1.12.Final</hibernate-version>
            <struts.version>2.1.6</struts.version>
        </properties>
    
        <dependencies>
            <dependency>
                <groupId>org.aspectj</groupId>
                <artifactId>aspectjweaver</artifactId>
                <version>1.8.8</version>
            </dependency>
    
            
            <dependency>
                <groupId>org.hibernate</groupId>
                <artifactId>hibernate-core</artifactId>
                <version>${hibernate-version}</version>
            </dependency>
            <dependency>
                <groupId>org.hibernate.common</groupId>
                <artifactId>hibernate-commons-annotations</artifactId>
                <version>4.0.5.Final</version>
            </dependency>
    
            
            <dependency>
                <groupId>org.apache.struts</groupId>
                <artifactId>struts2-core</artifactId>
                <version>${struts.version}</version>
            </dependency>
            <dependency>
                <groupId>org.apache.struts.xwork</groupId>
                <artifactId>xwork-core</artifactId>
                <version>2.3.34</version>
            </dependency>
    
            
            <dependency>
                <groupId>com.oracle</groupId>
                <artifactId>ojdbc6</artifactId>
                <version>11.2.0.1.0</version>
            </dependency>
            
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>javax.servlet-api</artifactId>
                <version>3.0.1</version>
                <scope>provided</scope>
            </dependency>
    
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>jstl</artifactId>
                <version>1.2</version>
            </dependency>
    
        </dependencies>
    
    </project>

连接数据库(我用的是Oracle)：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTU5NTcwMA_size_16_color_FFFFFF_t_70 1][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTU5NTcwMA_size_16_color_FFFFFF_t_70 2][]

数据访问层学生实体类代码：

package com.accp.entity;
    
    
    public class Student {
    
      private Integer id;
      private String name;
      private Integer age;
      private String gender;
      private String telephone;
      private String email;
      //private Integer classid;
        private Classes classes;//班级外键
    
    
        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 Integer getAge() {
            return age;
        }
    
        public void setAge(Integer age) {
            this.age = age;
        }
    
        public String getGender() {
            return gender;
        }
    
        public void setGender(String gender) {
            this.gender = gender;
        }
    
        public String getTelephone() {
            return telephone;
        }
    
        public void setTelephone(String telephone) {
            this.telephone = telephone;
        }
    
        public String getEmail() {
            return email;
        }
    
        public void setEmail(String email) {
            this.email = email;
        }
    
        public Classes getClasses() {
            return classes;
        }
    
        public void setClasses(Classes classes) {
            this.classes = classes;
        }
    }

数据访问层班级实体类：

package com.accp.entity;
    
    
    public class Classes {
    
      private Integer id;
      private String name;
    
    
        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;
        }
    }

会话工厂代码：

package com.accp.util;
    
    import org.hibernate.Session;
    import org.hibernate.SessionFactory;
    import org.hibernate.cfg.Configuration;
    
    public class HibernateUtil {
        private static SessionFactory sessionFactory ;
    
        static {
            Configuration conf = new Configuration().configure("hibernate.cfg.xml");
            sessionFactory = conf.buildSessionFactory();
        }
    
        public static Session openSession(){
            return sessionFactory.getCurrentSession();
        }
    }

过滤器代码：

package com.accp.util;
    
    import org.hibernate.Session;
    import org.hibernate.Transaction;
    
    import javax.servlet.*;
    import java.io.IOException;
    
    
    public class MyFilter implements Filter {
    
    
        public void init(FilterConfig filterConfig) throws ServletException {
    
        }
    
        public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
            request.setCharacterEncoding("utf-8");
            response.setCharacterEncoding("utf-8");
            response.setContentType("text/html; charset=UTF-8");
    
            Session session = HibernateUtil.openSession();
            Transaction transaction = session.beginTransaction();
            try {
                chain.doFilter(request,response);
                transaction.commit();
            }catch (Exception e){
                transaction.rollback();
            }
    
        }
    
        public void destroy() {
    
        }
    }

学生Dao层代码：

package com.accp.dao;
    
    import com.accp.entity.Student;
    
    import java.io.Serializable;
    import java.util.List;
    
    public interface StudentDao {
    
        List<Student> queryStudent(Student student);
    
        Serializable addStudent(Student student);
    
    }

学生DaoImpl实现代码

package com.accp.dao.impl;
    
    import com.accp.dao.StudentDao;
    import com.accp.entity.Student;
    import com.accp.util.HibernateUtil;
    import org.hibernate.Criteria;
    import org.hibernate.Session;
    
    import java.io.Serializable;
    import java.util.List;
    
    public class StudentDaoImpl implements StudentDao {
        public List<Student> queryStudent(Student student) {
            Session session = HibernateUtil.openSession();
            Criteria criteria = session.createCriteria(Student.class);
            return criteria.list();
        }
    
        public Serializable addStudent(Student student) {
            Session session = HibernateUtil.openSession();
            Serializable save = session.save(student);
            return save;
        }
    }

班级Dao层代码：

package com.accp.dao;
    
    import com.accp.entity.Classes;
    
    import java.util.List;
    
    public interface ClassesDao {
    
        List<Classes> queryClasses(Classes classes);
    
    }

班级DaoImpl实现代码

package com.accp.dao.impl;
    
    import com.accp.dao.ClassesDao;
    import com.accp.entity.Classes;
    import com.accp.util.HibernateUtil;
    import org.hibernate.Criteria;
    import org.hibernate.Session;
    
    import java.util.List;
    
    public class ClassesDaoImpl implements ClassesDao {
        public List<Classes> queryClasses(Classes classes) {
            Session session = HibernateUtil.openSession();
            Criteria criteria = session.createCriteria(Classes.class);
            return criteria.list();
        }
    }

学生业务逻辑层代码：

package com.accp.service;
    
    import com.accp.entity.Student;
    
    import java.io.Serializable;
    import java.util.List;
    
    public interface StudentService {
    
        List<Student> queryStudent(Student student);
    
        boolean addStudent(Student student);
    }

学生业务逻辑层实现代码：

package com.accp.service.impl;
    
    import com.accp.dao.StudentDao;
    import com.accp.dao.impl.StudentDaoImpl;
    import com.accp.entity.Student;
    import com.accp.service.StudentService;
    
    import java.util.List;
    
    public class StudentServiceImpl implements StudentService {
        private StudentDao studentDao = new StudentDaoImpl();
    
        public List<Student> queryStudent(Student student) {
            return studentDao.queryStudent(student);
        }
    
        public boolean addStudent(Student student) {
            if(studentDao.addStudent(student)!=null){
                return true;
            }
            return false;
        }
    }

班级业务逻辑层代码：

package com.accp.service;
    
    import com.accp.entity.Classes;
    
    import java.util.List;
    
    public interface ClassesService {
    
        List<Classes> queryClasses(Classes classes);
    }

班级业务逻辑层实现代码：

package com.accp.service.impl;
    
    import com.accp.dao.ClassesDao;
    import com.accp.dao.impl.ClassesDaoImpl;
    import com.accp.entity.Classes;
    import com.accp.service.ClassesService;
    
    import java.util.List;
    
    public class ClassesServiceImpl implements ClassesService {
        private ClassesDao classesDao = new ClassesDaoImpl();
    
        public List<Classes> queryClasses(Classes classes) {
            return classesDao.queryClasses(classes);
        }
    }

学生hibernate的映射配置文件(Student.hbm.xml)代码：

<?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE hibernate-mapping PUBLIC
            "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
            "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
    <hibernate-mapping package="com.accp.entity">
        <class name="Student">
            <id name="id">
                <generator class="sequence">
                    <param name="sequence">seq_student_id</param>
                </generator>
            </id>
    
            <property name="name"/>
            <property name="age"/>
            <property name="gender"/>
            <property name="telephone"/>
            <property name="email"/>
    
            <many-to-one name="classes" column="classid" class="Classes"/>
        </class>
    </hibernate-mapping>

班级hibernate的映射配置文件(Classes.hbm.xml)代码：

<?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE hibernate-mapping PUBLIC
            "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
            "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
    <hibernate-mapping package="com.accp.entity">
        <class name="Classes">
            <id name="id">
                <generator class="sequence">
                    <param name="sequence">seq_classes_id</param>
                </generator>
            </id>
    
            <property name="name"/>
        </class>
    </hibernate-mapping>

连接数据库配置文件(hibernate.cfg.xml)代码：

<?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE hibernate-configuration PUBLIC
            "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
            "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
    <hibernate-configuration>
        <session-factory>
            <property name="dialect">org.hibernate.dialect.Oracle10gDialect</property>
            <property name="connection.url">jdbc:oracle:thin:@localhost:1521:orcl</property>
            <property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
            <property name="connection.username">scott</property>
            <property name="connection.password">orcl</property>
            <property name="show_sql">true</property>
            <property name="current_session_context_class">thread</property>
    
            //映射文件
            <mapping resource="xml/Classes.hbm.xml"/>
            <mapping resource="xml/Student.hbm.xml"/>
        </session-factory>
    </hibernate-configuration>

struts.xml配置代码：

<?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE struts PUBLIC
            "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
            "http://struts.apache.org/dtds/struts-2.0.dtd">
    <struts>
        <constant name="struts.ui.theme" value="simple" />
        <package name="web" extends="struts-default">
    
            <action name="sClasses" class="com.accp.action.ClassesAction" method="queryClass">
                <result name="success">add.jsp</result>
            </action>
    
           <action name="add" class="com.accp.action.StudentAction" method="addStudent">
               <result name="success" type="redirectAction">sStudent.action</result>
               <result name="input" type="redirectAction">sClasses.action</result>
           </action>
    
            <action name="sStudent" class="com.accp.action.StudentAction" method="queryStudent">
                <result name="success">show.jsp</result>
            </action>
        </package>
    
    </struts>

web.xml配置代码：

<?xml version="1.0" encoding="UTF-8"?>
    <web-app version="2.4"
             xmlns="http://java.sun.com/xml/ns/j2ee"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
    
        <filter>
            <filter-name>openSessionInView</filter-name>
            <filter-class>com.accp.util.MyFilter</filter-class>
        </filter>
        <filter-mapping>
            <filter-name>openSessionInView</filter-name>
            <url-pattern>*.action</url-pattern>
        </filter-mapping>
    
        <filter>
            <filter-name>strut2</filter-name>
            <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
        </filter>
        <filter-mapping>
            <filter-name>strut2</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
    
        <welcome-file-list>
            <welcome-file>login.jsp</welcome-file>
        </welcome-file-list>
    </web-app>

控制层action学生代码：

package com.accp.action;
    
    import com.accp.entity.Student;
    import com.accp.service.StudentService;
    import com.accp.service.impl.StudentServiceImpl;
    import com.opensymphony.xwork2.ActionSupport;
    
    import java.util.List;
    
    public class StudentAction extends ActionSupport {
        private Student student;
        private List<Student> studentList;
        private StudentService studentService = new StudentServiceImpl();
    
        public String queryStudent(){
            studentList = studentService.queryStudent(student);
            return SUCCESS;
        }
    
        public String addStudent(){
            if(studentService.addStudent(student)){
                return SUCCESS;
            }
            return INPUT;
        }
    
    
        public Student getStudent() {
            return student;
        }
    
        public void setStudent(Student student) {
            this.student = student;
        }
    
        public List<Student> getStudentList() {
            return studentList;
        }
    
        public void setStudentList(List<Student> studentList) {
            this.studentList = studentList;
        }
    }

控制层action班级代码：

package com.accp.action;
    
    import com.accp.entity.Classes;
    import com.accp.service.ClassesService;
    import com.accp.service.impl.ClassesServiceImpl;
    import com.opensymphony.xwork2.ActionSupport;
    
    import java.util.List;
    
    public class ClassesAction extends ActionSupport {
        private Classes classes;
        private ClassesService classesService = new ClassesServiceImpl();
        private List<Classes> classesList;
    
        public String queryClass(){
            classesList = classesService.queryClasses(classes);
            return SUCCESS;
        }
    
    
        public Classes getClasses() {
            return classes;
        }
    
        public void setClasses(Classes classes) {
            this.classes = classes;
        }
    
        public List<Classes> getClassesList() {
            return classesList;
        }
    
        public void setClassesList(List<Classes> classesList) {
            this.classesList = classesList;
        }
    }

显示学生信息页面代码：

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <%@ taglib prefix="s" uri="/struts-tags" %>
    <html>
    <head>
        <title>Title</title>
    </head>
    <body>
    <table border="2px" width="100%" align="center">
        <h1 align="center">学员信息列表</h1>
        <tr align="right">
            <td><a href="sClasses.action">添加学员</a></td>
        </tr>
        <tr>
            <td>编号</td>
            <td>姓名</td>
            <td>性别</td>
            <td>年龄</td>
            <td>电话</td>
            <td>email</td>
            <td>班级</td>
        </tr>
        <s:iterator value="studentList">
            <tr>
                <td>${id}</td>
                <td>${name}</td>
                <td>${gender}</td>
                <td>${age}</td>
                <td>${telephone}</td>
                <td>${email}</td>
                <td>${classes.name}</td>
            </tr>
        </s:iterator>
    </table>
    </body>
    </html>

插入学生信息页面代码：

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <%@ taglib prefix="s" uri="/struts-tags" %>
    <html>
    <head>
        <title>Title</title>
    </head>
    <body>
    <form action="add.action" method="post">
        <table border="2px" width="100%" align="center">
            <tr align="center">
                <td align="center">
                    <s:label><h2>学员信息添加</h2></s:label>
                </td>
            </tr>
            <tr>
                <td>
                    姓名：<input type="text" name="student.name"/>
                </td>
            </tr>
            <tr>
                <td>
                    性别：<input type="text" name="student.gender"/>
                </td>
            </tr>
            <tr>
                <td>
                    年龄：<input type="text" name="student.age"/>
                </td>
            </tr>
            <tr>
                <td>
                    电话：<input type="text" name="student.telephone"/>
                </td>
            </tr>
            <tr>
                <td>
                    email：<input type="text" name="student.email"/>
                </td>
            </tr>
            <tr>
                <td>
                    班级：<select name="student.classes.id">
                    <option value="-1">请选择</option>
                    <s:iterator value="classesList">
                        <option value="${id}">${name}</option>
                    </s:iterator>
                </select>
                </td>
            </tr>
            <tr>
                <td>
                    <input type="submit" value="添加"/>  
                    <input type="button" value="返回" onclick="window.history.go(-1)">
                </td>
            </tr>
        </table>
    </form>
    </body>
    </html>

配置tomcat启动项目：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTU5NTcwMA_size_16_color_FFFFFF_t_70 3][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTU5NTcwMA_size_16_color_FFFFFF_t_70 4][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTU5NTcwMA_size_16_color_FFFFFF_t_70 5][]

运行项目：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTU5NTcwMA_size_16_color_FFFFFF_t_70 6][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTU5NTcwMA_size_16_color_FFFFFF_t_70 7][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MTU5NTcwMA_size_16_color_FFFFFF_t_70 8][]

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