SSH框架的简单增删改查_ssh框架增删改查

首先在项目的pom.xml中加入SSH所需要的配置

<!-- 完成SSH所需要的依赖及配置 -->
<dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
      <scope>test</scope>
    </dependency>
    <!-- servelet的核心依赖 -->
    <dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>4.0.1</version>
			<scope>provided</scope>
	</dependency>
		
    <!-- hibernate框架 -->
    <dependency>
	    <groupId>org.hibernate</groupId>
	    <artifactId>hibernate-core</artifactId>
	    <version>5.2.10.Final</version>
	</dependency>
	
	
	<!-- 引入Spring核心库 -->
	<dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
        <version>4.3.10.RELEASE</version>
    </dependency>
	
	 <!-- MySQL  -->
    <dependency>
	    <groupId>mysql</groupId>
	    <artifactId>mysql-connector-java</artifactId>
	    <version>5.1.35</version>
	</dependency>

	<!-- 引入c3p0数据库连接池 -->
	<dependency>
	    <groupId>com.mchange</groupId>
	    <artifactId>c3p0</artifactId>
	    <version>0.9.5.2</version>
	</dependency>

	<!-- Spring整合Hibernate依赖 -->
	<dependency>
	    <groupId>org.springframework</groupId>
	    <artifactId>spring-orm</artifactId>
	    <version>4.3.10.RELEASE</version>
	</dependency>
	
	<!-- spring 的AspectJ依赖，解析事务切点 -->
	<dependency>
	    <groupId>org.springframework</groupId>
	    <artifactId>spring-aspects</artifactId>
	    <version>4.3.10.RELEASE</version>
	</dependency>
	
	
	<!-- 引入struts2依赖 -->
	<dependency>
	    <groupId>org.apache.struts</groupId>
	    <artifactId>struts2-core</artifactId>
	    <version>2.3.33</version>
	</dependency>
	
	<!-- struts2整合Spring的整合包 -->
	<dependency>
	    <groupId>org.apache.struts</groupId>
	    <artifactId>struts2-spring-plugin</artifactId>
	    <version>2.5.12</version>
	</dependency>
	
	<!-- log4j日志 -->
	<dependency>
	    <groupId>org.apache.logging.log4j</groupId>
	    <artifactId>log4j-core</artifactId>
	    <version>2.8.2</version>
	</dependency>
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StudentDao里面的内容

public interface StudentDao {
	//添加
   public void add(Student stu);
   //查
   public List<Student> select();
   
   //刪除
   
   public void delete(Student stu);
   
  //修改
   public void update(Student stu);
   
   //根據id查詢
   public Student byid(Student stu);
}
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studentdao的实现类StudentDaoImp

//定义一个sessionFactory
	private SessionFactory factory;
	public void add(Student stu) {
		factory.getCurrentSession().save(stu)
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