SSH框架注解版整合搭建图文教程

package com.ssh.entity;

import java.util.Date;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import org.springframework.format.annotation.DateTimeFormat;

@Entity // 表明是一个实体bean
@Table(name = "students") // 对应数据库的表名字
public class Student {

    /**
     * ID
     */
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)// 数据库自增，这句加不加无所谓
    //如果使用的是oracle数据库，需要使用自增序列，可以使用下面两行注解配置
    //@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "seq_student")
    //@SequenceGenerator(name = "seq_student", sequenceName = "ZZ_STUDENTS", allocationSize = 1)
    private int id;

    /**
     * 姓名
     */
    @Column(name = "student_name", nullable = false, length = 25)
    private String name;

    /**
     * 性别
     */
    @Column(name = "student_sex", nullable = false, length = 5)
    private String sex;

    /**
     * 年龄
     */
    @Column(name = "student_age", nullable = false, length = 5)
    private int age;

    /**
     * 生日
     */
    @Column(name = "student_birthday")
    @Temporal(TemporalType.TIMESTAMP)
    @DateTimeFormat(pattern = "yyyy-MM-dd")
    private Date birthday;

    /**
     * 爱好
     */
    @Column(name = "student_hobby", nullable = false, length = 50)
    private String hobby;

    /**
     * 学校（schoolId关联）
     */
    // xml配置方式的一对一，就是参照这里的注解方式
    // 多方（主动方）加关联，并限定唯一从而达到一对一效果，一方（被动方）则不用加配置
    @JoinColumn(name = "school_id", unique = true)
    @ManyToOne(targetEntity = School.class, fetch = FetchType.EAGER)
    // 上面两个注解的效果，等同于下面的配置
    // <many-to-one name="school" column="school_id" unique="true" lazy="false"/>
    private School school;

    public Student() {

    }

    public int getId() {
        return id;
    }

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

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getSex() {
        return sex;
    }

    public void setSex(String sex) {
        this.sex = sex;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public Date getBirthday() {
        return birthday;
    }

    public void setBirthday(Date birthday) {
        this.birthday = birthday;
    }

    public String getHobby() {
        return hobby;
    }

    public void setHobby(String hobby) {
        this.hobby = hobby;
    }

    public School getSchool() {
        return school;
    }

    public void setSchool(School school) {
        this.school = school;
    }

}

package com.ssh.controller;

import com.ssh.entity.School;
import com.ssh.service.SchoolService;
import java.util.List;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

@Controller// spring托管
@Scope("prototype")// 多例
@Namespace("/schoolManage")// 对应配置文件中的每个action的name
@ParentPackage("struts-default")// 对应配置文件中的：<package name="default" extends="struts-default">
public class SchoolController extends BaseController {
    /**
     *
     */
    private static final long serialVersionUID = 1L;

    // 由于bean配置了spring托管，所以这里可以直接使用注解注入
    @Autowired
    private SchoolService schoolService;

    /**
     * list列表
     */
    private List<School> list;
    /**
     * 实体bean
     */
    private School school;

    @Action(value = "school_list", results = {@Result(name = "list", location = "/school_list.jsp")})
    public String list() {
        list = schoolService.list(searchText);
        return "list";
    }

    @Action(value = "school_toAdd", results = {@Result(name = "add", location = "/school_maintain.jsp")})
    public String toAdd() {
        type = "add";
        return "add";
    }

    @Action(value = "school_add", results = {@Result(name = "refresh", type = "redirect", location = "/schoolManage/school_list.action")})
    public String add() {
        schoolService.add(school);
        return "refresh";
    }

    @Action(value = "school_toUpdate", results = {@Result(name = "update", location = "/school_maintain.jsp")})
    public String toUpdate() {
        type = "update";
        school = schoolService.getById(id);
        return "update";
    }

    @Action(value = "school_update", results = {@Result(name = "refresh", type = "redirect", location = "/schoolManage/school_list.action")})
    public String update() {
        schoolService.update(school);
        return "refresh";
    }

    @Action(value = "school_delete", results = {@Result(name = "refresh", type = "redirect", location = "/schoolManage/school_list.action")})
    public String delete() {
        schoolService.delete(id);
        return "refresh";
    }

    // 感觉这也是struts非常不爽的地方
    // 前台需要用到的变量总是需要set、get一下才行，springMVC中就不需要
    public List<School> getList() {
        return list;
    }

    public void setList(List<School> list) {
        this.list = list;
    }

    public School getSchool() {
        return school;
    }

    public void setSchool(School school) {
        this.school = school;
    }

}