使用IDEA搭建SSH项目

雨点打透心脏的1/2处 2022-04-11 04:40 622阅读 0赞

三层架构如下：

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pom.xml文件导入相应jar包：

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <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">
  4.   <modelVersion>4.0.0</modelVersion>
  5.   <packaging>war</packaging>
  7.   <name>studentMsg</name>
  8.   <groupId>com.accp</groupId>
  9.   <artifactId>studentMsg</artifactId>
  10.   <version>1.0-SNAPSHOT</version>
  12.     <properties>
  13.         <hibernate-version>4.1.12.Final</hibernate-version>
  14.         <struts.version>2.1.6</struts.version>
  15.     </properties>
  17.     <dependencies>
  18.         <dependency>
  19.             <groupId>org.aspectj</groupId>
  20.             <artifactId>aspectjweaver</artifactId>
  21.             <version>1.8.8</version>
  22.         </dependency>
  24.         <!--hibernate的jar包-->
  25.         <dependency>
  26.             <groupId>org.hibernate</groupId>
  27.             <artifactId>hibernate-core</artifactId>
  28.             <version>${hibernate-version}</version>
  29.         </dependency>
  30.         <dependency>
  31.             <groupId>org.hibernate.common</groupId>
  32.             <artifactId>hibernate-commons-annotations</artifactId>
  33.             <version>4.0.5.Final</version>
  34.         </dependency>
  36.         <!-- struts2-core的jar包 -->
  37.         <dependency>
  38.             <groupId>org.apache.struts</groupId>
  39.             <artifactId>struts2-core</artifactId>
  40.             <version>${struts.version}</version>
  41.         </dependency>
  42.         <dependency>
  43.             <groupId>org.apache.struts.xwork</groupId>
  44.             <artifactId>xwork-core</artifactId>
  45.             <version>2.3.34</version>
  46.         </dependency>
  48.         <!-- oracle 的jar包 -->
  49.         <dependency>
  50.             <groupId>com.oracle</groupId>
  51.             <artifactId>ojdbc6</artifactId>
  52.             <version>11.2.0.1.0</version>
  53.         </dependency>
  54.         <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
  55.         <dependency>
  56.             <groupId>javax.servlet</groupId>
  57.             <artifactId>javax.servlet-api</artifactId>
  58.             <version>3.0.1</version>
  59.             <scope>provided</scope>
  60.         </dependency>
  62.         <dependency>
  63.             <groupId>javax.servlet</groupId>
  64.             <artifactId>jstl</artifactId>
  65.             <version>1.2</version>
  66.         </dependency>
  68.     </dependencies>
  70. </project>

连接数据库(我用的是Oracle)：

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数据访问层学生实体类代码：

  1. package com.accp.entity;
  4. public class Student {
  6.   private Integer id;
  7.   private String name;
  8.   private Integer age;
  9.   private String gender;
  10.   private String telephone;
  11.   private String email;
  12.   //private Integer classid;
  13.     private Classes classes;//班级外键
  16.     public Integer getId() {
  17.         return id;
  18.     }
  20.     public void setId(Integer id) {
  21.         this.id = id;
  22.     }
  24.     public String getName() {
  25.         return name;
  26.     }
  28.     public void setName(String name) {
  29.         this.name = name;
  30.     }
  32.     public Integer getAge() {
  33.         return age;
  34.     }
  36.     public void setAge(Integer age) {
  37.         this.age = age;
  38.     }
  40.     public String getGender() {
  41.         return gender;
  42.     }
  44.     public void setGender(String gender) {
  45.         this.gender = gender;
  46.     }
  48.     public String getTelephone() {
  49.         return telephone;
  50.     }
  52.     public void setTelephone(String telephone) {
  53.         this.telephone = telephone;
  54.     }
  56.     public String getEmail() {
  57.         return email;
  58.     }
  60.     public void setEmail(String email) {
  61.         this.email = email;
  62.     }
  64.     public Classes getClasses() {
  65.         return classes;
  66.     }
  68.     public void setClasses(Classes classes) {
  69.         this.classes = classes;
  70.     }
  71. }

数据访问层班级实体类：

  1. package com.accp.entity;
  4. public class Classes {
  6.   private Integer id;
  7.   private String name;
  10.     public Integer getId() {
  11.         return id;
  12.     }
  14.     public void setId(Integer id) {
  15.         this.id = id;
  16.     }
  18.     public String getName() {
  19.         return name;
  20.     }
  22.     public void setName(String name) {
  23.         this.name = name;
  24.     }
  25. }

会话工厂代码：

  1. package com.accp.util;
  3. import org.hibernate.Session;
  4. import org.hibernate.SessionFactory;
  5. import org.hibernate.cfg.Configuration;
  7. public class HibernateUtil {
  8.     private static SessionFactory sessionFactory ;
  10.     static {
  11.         Configuration conf = new Configuration().configure("hibernate.cfg.xml");
  12.         sessionFactory = conf.buildSessionFactory();
  13.     }
  15.     public static Session openSession(){
  16.         return sessionFactory.getCurrentSession();
  17.     }
  18. }

过滤器代码：

  1. package com.accp.util;
  3. import org.hibernate.Session;
  4. import org.hibernate.Transaction;
  6. import javax.servlet.*;
  7. import java.io.IOException;
  10. public class MyFilter implements Filter {
  13.     public void init(FilterConfig filterConfig) throws ServletException {
  15.     }
  17.     public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
  18.         request.setCharacterEncoding("utf-8");
  19.         response.setCharacterEncoding("utf-8");
  20.         response.setContentType("text/html; charset=UTF-8");
  22.         Session session = HibernateUtil.openSession();
  23.         Transaction transaction = session.beginTransaction();
  24.         try {
  25.             chain.doFilter(request,response);
  26.             transaction.commit();
  27.         }catch (Exception e){
  28.             transaction.rollback();
  29.         }
  31.     }
  33.     public void destroy() {
  35.     }
  36. }

学生Dao层代码：

  1. package com.accp.dao;
  3. import com.accp.entity.Student;
  5. import java.io.Serializable;
  6. import java.util.List;
  8. public interface StudentDao {
  10.     List<Student> queryStudent(Student student);
  12.     Serializable addStudent(Student student);
  14. }

学生DaoImpl实现代码

  1. package com.accp.dao.impl;
  3. import com.accp.dao.StudentDao;
  4. import com.accp.entity.Student;
  5. import com.accp.util.HibernateUtil;
  6. import org.hibernate.Criteria;
  7. import org.hibernate.Session;
  9. import java.io.Serializable;
  10. import java.util.List;
  12. public class StudentDaoImpl implements StudentDao {
  13.     public List<Student> queryStudent(Student student) {
  14.         Session session = HibernateUtil.openSession();
  15.         Criteria criteria = session.createCriteria(Student.class);
  16.         return criteria.list();
  17.     }
  19.     public Serializable addStudent(Student student) {
  20.         Session session = HibernateUtil.openSession();
  21.         Serializable save = session.save(student);
  22.         return save;
  23.     }
  24. }

班级Dao层代码：

  1. package com.accp.dao;
  3. import com.accp.entity.Classes;
  5. import java.util.List;
  7. public interface ClassesDao {
  9.     List<Classes> queryClasses(Classes classes);
  11. }

班级DaoImpl实现代码

  1. package com.accp.dao.impl;
  3. import com.accp.dao.ClassesDao;
  4. import com.accp.entity.Classes;
  5. import com.accp.util.HibernateUtil;
  6. import org.hibernate.Criteria;
  7. import org.hibernate.Session;
  9. import java.util.List;
  11. public class ClassesDaoImpl implements ClassesDao {
  12.     public List<Classes> queryClasses(Classes classes) {
  13.         Session session = HibernateUtil.openSession();
  14.         Criteria criteria = session.createCriteria(Classes.class);
  15.         return criteria.list();
  16.     }
  17. }

学生业务逻辑层代码：

  1. package com.accp.service;
  3. import com.accp.entity.Student;
  5. import java.io.Serializable;
  6. import java.util.List;
  8. public interface StudentService {
  10.     List<Student> queryStudent(Student student);
  12.     boolean addStudent(Student student);
  13. }

学生业务逻辑层实现代码：

  1. package com.accp.service.impl;
  3. import com.accp.dao.StudentDao;
  4. import com.accp.dao.impl.StudentDaoImpl;
  5. import com.accp.entity.Student;
  6. import com.accp.service.StudentService;
  8. import java.util.List;
  10. public class StudentServiceImpl implements StudentService {
  11.     private StudentDao studentDao = new StudentDaoImpl();
  13.     public List<Student> queryStudent(Student student) {
  14.         return studentDao.queryStudent(student);
  15.     }
  17.     public boolean addStudent(Student student) {
  18.         if(studentDao.addStudent(student)!=null){
  19.             return true;
  20.         }
  21.         return false;
  22.     }
  23. }

班级业务逻辑层代码：

  1. package com.accp.service;
  3. import com.accp.entity.Classes;
  5. import java.util.List;
  7. public interface ClassesService {
  9.     List<Classes> queryClasses(Classes classes);
  10. }

班级业务逻辑层实现代码：

  1. package com.accp.service.impl;
  3. import com.accp.dao.ClassesDao;
  4. import com.accp.dao.impl.ClassesDaoImpl;
  5. import com.accp.entity.Classes;
  6. import com.accp.service.ClassesService;
  8. import java.util.List;
  10. public class ClassesServiceImpl implements ClassesService {
  11.     private ClassesDao classesDao = new ClassesDaoImpl();
  13.     public List<Classes> queryClasses(Classes classes) {
  14.         return classesDao.queryClasses(classes);
  15.     }
  16. }

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

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!DOCTYPE hibernate-mapping PUBLIC
  3.         "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
  4.         "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
  5. <hibernate-mapping package="com.accp.entity">
  6.     <class name="Student">
  7.         <id name="id">
  8.             <generator class="sequence">
  9.                 <param name="sequence">seq_student_id</param>
  10.             </generator>
  11.         </id>
  13.         <property name="name"/>
  14.         <property name="age"/>
  15.         <property name="gender"/>
  16.         <property name="telephone"/>
  17.         <property name="email"/>
  19.         <many-to-one name="classes" column="classid" class="Classes"/>
  20.     </class>
  21. </hibernate-mapping>

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

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!DOCTYPE hibernate-mapping PUBLIC
  3.         "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
  4.         "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
  5. <hibernate-mapping package="com.accp.entity">
  6.     <class name="Classes">
  7.         <id name="id">
  8.             <generator class="sequence">
  9.                 <param name="sequence">seq_classes_id</param>
  10.             </generator>
  11.         </id>
  13.         <property name="name"/>
  14.     </class>
  15. </hibernate-mapping>

连接数据库配置文件(hibernate.cfg.xml)代码：

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!DOCTYPE hibernate-configuration PUBLIC
  3.         "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
  4.         "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
  5. <hibernate-configuration>
  6.     <session-factory>
  7.         <property name="dialect">org.hibernate.dialect.Oracle10gDialect</property>
  8.         <property name="connection.url">jdbc:oracle:thin:@localhost:1521:orcl</property>
  9.         <property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
  10.         <property name="connection.username">scott</property>
  11.         <property name="connection.password">orcl</property>
  12.         <property name="show_sql">true</property>
  13.         <property name="current_session_context_class">thread</property>
  15.         //映射文件
  16.         <mapping resource="xml/Classes.hbm.xml"/>
  17.         <mapping resource="xml/Student.hbm.xml"/>
  18.     </session-factory>
  19. </hibernate-configuration>

struts.xml配置代码：

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!DOCTYPE struts PUBLIC
  3.         "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
  4.         "http://struts.apache.org/dtds/struts-2.0.dtd">
  5. <struts>
  6.     <constant name="struts.ui.theme" value="simple" />
  7.     <package name="web" extends="struts-default">
  9.         <action name="sClasses" class="com.accp.action.ClassesAction" method="queryClass">
  10.             <result name="success">add.jsp</result>
  11.         </action>
  13.        <action name="add" class="com.accp.action.StudentAction" method="addStudent">
  14.            <result name="success" type="redirectAction">sStudent.action</result>
  15.            <result name="input" type="redirectAction">sClasses.action</result>
  16.        </action>
  18.         <action name="sStudent" class="com.accp.action.StudentAction" method="queryStudent">
  19.             <result name="success">show.jsp</result>
  20.         </action>
  21.     </package>
  23. </struts>

web.xml配置代码：

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <web-app version="2.4"
  3.          xmlns="http://java.sun.com/xml/ns/j2ee"
  4.          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  5.          xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  7.     <filter>
  8.         <filter-name>openSessionInView</filter-name>
  9.         <filter-class>com.accp.util.MyFilter</filter-class>
  10.     </filter>
  11.     <filter-mapping>
  12.         <filter-name>openSessionInView</filter-name>
  13.         <url-pattern>*.action</url-pattern>
  14.     </filter-mapping>
  16.     <filter>
  17.         <filter-name>strut2</filter-name>
  18.         <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
  19.     </filter>
  20.     <filter-mapping>
  21.         <filter-name>strut2</filter-name>
  22.         <url-pattern>/*</url-pattern>
  23.     </filter-mapping>
  25.     <welcome-file-list>
  26.         <welcome-file>login.jsp</welcome-file>
  27.     </welcome-file-list>
  28. </web-app>

控制层action学生代码：

  1. package com.accp.action;
  3. import com.accp.entity.Student;
  4. import com.accp.service.StudentService;
  5. import com.accp.service.impl.StudentServiceImpl;
  6. import com.opensymphony.xwork2.ActionSupport;
  8. import java.util.List;
  10. public class StudentAction extends ActionSupport {
  11.     private Student student;
  12.     private List<Student> studentList;
  13.     private StudentService studentService = new StudentServiceImpl();
  15.     public String queryStudent(){
  16.         studentList = studentService.queryStudent(student);
  17.         return SUCCESS;
  18.     }
  20.     public String addStudent(){
  21.         if(studentService.addStudent(student)){
  22.             return SUCCESS;
  23.         }
  24.         return INPUT;
  25.     }
  28.     public Student getStudent() {
  29.         return student;
  30.     }
  32.     public void setStudent(Student student) {
  33.         this.student = student;
  34.     }
  36.     public List<Student> getStudentList() {
  37.         return studentList;
  38.     }
  40.     public void setStudentList(List<Student> studentList) {
  41.         this.studentList = studentList;
  42.     }
  43. }

控制层action班级代码：

  1. package com.accp.action;
  3. import com.accp.entity.Classes;
  4. import com.accp.service.ClassesService;
  5. import com.accp.service.impl.ClassesServiceImpl;
  6. import com.opensymphony.xwork2.ActionSupport;
  8. import java.util.List;
  10. public class ClassesAction extends ActionSupport {
  11.     private Classes classes;
  12.     private ClassesService classesService = new ClassesServiceImpl();
  13.     private List<Classes> classesList;
  15.     public String queryClass(){
  16.         classesList = classesService.queryClasses(classes);
  17.         return SUCCESS;
  18.     }
  21.     public Classes getClasses() {
  22.         return classes;
  23.     }
  25.     public void setClasses(Classes classes) {
  26.         this.classes = classes;
  27.     }
  29.     public List<Classes> getClassesList() {
  30.         return classesList;
  31.     }
  33.     public void setClassesList(List<Classes> classesList) {
  34.         this.classesList = classesList;
  35.     }
  36. }

显示学生信息页面代码：

  1. <%@ page contentType="text/html;charset=UTF-8" language="java" %>
  2. <%@ taglib prefix="s" uri="/struts-tags" %>
  3. <html>
  4. <head>
  5.     <title>Title</title>
  6. </head>
  7. <body>
  8. <table border="2px" width="100%" align="center">
  9.     <h1 align="center">学员信息列表</h1>
  10.     <tr align="right">
  11.         <td><a href="sClasses.action">添加学员</a></td>
  12.     </tr>
  13.     <tr>
  14.         <td>编号</td>
  15.         <td>姓名</td>
  16.         <td>性别</td>
  17.         <td>年龄</td>
  18.         <td>电话</td>
  19.         <td>email</td>
  20.         <td>班级</td>
  21.     </tr>
  22.     <s:iterator value="studentList">
  23.         <tr>
  24.             <td>${id}</td>
  25.             <td>${name}</td>
  26.             <td>${gender}</td>
  27.             <td>${age}</td>
  28.             <td>${telephone}</td>
  29.             <td>${email}</td>
  30.             <td>${classes.name}</td>
  31.         </tr>
  32.     </s:iterator>
  33. </table>
  34. </body>
  35. </html>

插入学生信息页面代码：

  1. <%@ page contentType="text/html;charset=UTF-8" language="java" %>
  2. <%@ taglib prefix="s" uri="/struts-tags" %>
  3. <html>
  4. <head>
  5.     <title>Title</title>
  6. </head>
  7. <body>
  8. <form action="add.action" method="post">
  9.     <table border="2px" width="100%" align="center">
  10.         <tr align="center">
  11.             <td align="center">
  12.                 <s:label><h2>学员信息添加</h2></s:label>
  13.             </td>
  14.         </tr>
  15.         <tr>
  16.             <td>
  17.                 姓名：<input type="text" name="student.name"/>
  18.             </td>
  19.         </tr>
  20.         <tr>
  21.             <td>
  22.                 性别：<input type="text" name="student.gender"/>
  23.             </td>
  24.         </tr>
  25.         <tr>
  26.             <td>
  27.                 年龄：<input type="text" name="student.age"/>
  28.             </td>
  29.         </tr>
  30.         <tr>
  31.             <td>
  32.                 电话：<input type="text" name="student.telephone"/>
  33.             </td>
  34.         </tr>
  35.         <tr>
  36.             <td>
  37.                 email：<input type="text" name="student.email"/>
  38.             </td>
  39.         </tr>
  40.         <tr>
  41.             <td>
  42.                 班级：<select name="student.classes.id">
  43.                 <option value="-1">请选择</option>
  44.                 <s:iterator value="classesList">
  45.                     <option value="${id}">${name}</option>
  46.                 </s:iterator>
  47.             </select>
  48.             </td>
  49.         </tr>
  50.         <tr>
  51.             <td>
  52.                 <input type="submit" value="添加"/>  
  53.                 <input type="button" value="返回" onclick="window.history.go(-1)">
  54.             </td>
  55.         </tr>
  56.     </table>
  57. </form>
  58. </body>
  59. </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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