学步园

转载请注明:来自http://blog.csdn.net/M_ChangGong/ 作者:张燕广

改篇主要编写整合struts2的bean和action。

在src下创建包com.zyg.ssj.bean，在该包下创建bean类Student，其代码如下：

package com.zyg.ssj.bean;</p> <p>import javax.persistence.Column;<br /> import javax.persistence.Entity;<br /> import javax.persistence.GeneratedValue;<br /> import javax.persistence.Id;</p> <p>@Entity<br /> public class Student {<br /> private Integer stuId;<br /> private String stuName;</p> <p> public Student() {}</p> <p> public Student(String stuName) {<br /> this.stuName = stuName;<br /> }</p> <p> @Id @GeneratedValue<br /> public Integer getStuId() {<br /> return stuId;<br /> }<br /> public void setStuId(Integer stuId) {<br /> this.stuId = stuId;<br /> }</p> <p> @Column(length=20,nullable=false)<br /> public String getStuName() {<br /> return stuName;<br /> }<br /> public void setStuName(String stuName) {<br /> this.stuName = stuName;<br /> }<br /> }

在src下创建包com.zyg.ssj.web.action，在该包下创建action类StudentAction，其代码如下：

package com.zyg.ssj.web.action;</p> <p>import java.util.List;</p> <p>import javax.annotation.Resource;<br /> import com.zyg.ssj.bean.Student;<br /> import com.zyg.ssj.service.StudentService;</p> <p>public class StudentAction {<br /> @Resource<br /> private StudentService studentService;<br /> private List<Student> students;<br /> private Student student;<br /> private String message;</p> <p> /**<br /> * 获取学生列表<br /> * @return<br /> */<br /> public String list(){<br /> this.students = studentService.getStudents();<br /> return "list";<br /> }</p> <p> /**<br /> * 返回新建学生信息界面<br /> * @return<br /> */<br /> public String add(){<br /> student = new Student();<br /> return "add";<br /> }</p> <p> /**<br /> * 保存新建的学生信息<br /> * @return<br /> */<br /> public String save(){<br /> if(null==student.getStuId()){ //新建学生信息<br /> studentService.save(student);<br /> }else{<br /> studentService.update(student);<br /> return "editResult";<br /> }</p> <p> this.message="学生【"+student.getStuName()+"】信息保存成功！！！";<br /> return "save";<br /> }</p> <p> /**<br /> * 修改学生信息<br /> * @return<br /> */<br /> public String edit(){<br /> student = studentService.getStudent(student.getStuId());<br /> return "edit";<br /> }</p> <p> /**<br /> * 删除学生信息<br /> * @return<br /> */<br /> public String delete(){<br /> System.out.println(student.getStuId());<br /> studentService.delete(student.getStuId());<br /> return "delResult";<br /> }</p> <p> /**<br /> * 清空学生信息<br /> */<br /> private void clearStudentInfo(){<br /> student.setStuId(null);<br /> student.setStuName(null);<br /> }</p> <p> public StudentService getStudentService() {<br /> return studentService;<br /> }</p> <p> public void setStudentService(StudentService studentService) {<br /> this.studentService = studentService;<br /> }</p> <p> public List<Student> getStudents() {<br /> return students;<br /> }</p> <p> public void setStudents(List<Student> students) {<br /> this.students = students;<br /> }<br /> public Student getStudent() {<br /> return student;<br /> }</p> <p> public void setStudent(Student student) {<br /> this.student = student;<br /> }</p> <p> public String getMessage() {<br /> return message;<br /> }</p> <p> public void setMessage(String message) {<br /> this.message = message;<br /> }<br /> }

至此，该篇完成了struts2的bean和action。下一篇开始编写JSP展示页面。