基于SSH(struts-spring-hibernate)开发的学生成绩管理系统

package edu.ccut.computer.software.action; import java.io.File; import java.io.FileInputStream; import java.util.List; import java.util.Map; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletResponse; import org.apache.struts2.ServletActionContext; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; import edu.ccut.computer.software.model.Student; import edu.ccut.computer.software.service.MajorService; import edu.ccut.computer.software.service.StudentService; import edu.ccut.computer.software.tool.Pager; public class StudentAction extends ActionSupport { private int pageNow = 1; private int pageSize = 8; private File photofile; // ���רҵ���� private List list; private Student student; private StudentService studentService; private MajorService majorService; public String addStudent() throws Exception { Student stu = new Student(); String studentId1 = student.getStudentId(); if (studentService.find(studentId1) != null) { return ERROR; } stu.setStudentId(student.getStudentId()); stu.setName(student.getName()); stu.setSex(student.getSex()); stu.setBirthDate(student.getBirthDate()); System.out.println(student.getBirthDate()); stu.setTotalCredits(student.getTotalCredits()); stu.setOther(student.getOther()); stu.setMajor(majorService.getOneMajor(student.getMajor().getId())); if (this.getPhotofile() != null) { FileInputStream fis = new FileInputStream(this.getPhotofile()); byte[] buffer = new byte[fis.available()]; fis.read(buffer); stu.setPhoto(buffer); } studentService.save(stu); return SUCCESS; } public String addStudentView() throws Exception { return SUCCESS; } public String deleteStudent() throws Exception { String studentId = student.getStudentId(); studentService.delete(studentId); return SUCCESS; } @Override public String execute() throws Exception { System.out.println(this.getPageNow()); List list = studentService.findAll(pageNow, pageSize); Map request = (Map) ActionContext.getContext().get("request"); Pager page = new Pager(getPageNow(), studentService.findStudentSize()); request.put("list", list); request.put("page", page); return SUCCESS; } public String findStudent() throws Exception { String studentId = student.getStudentId(); Student stu2 = studentService.find(studentId); Map request = (Map) ActionContext.getContext().get("request"); request.put("student", stu2); return SUCCESS; } public String getImage() throws Exception { HttpServletResponse response = ServletActionContext.getResponse(); String studentId = student.getStudentId(); Student student3 = studentService.find(studentId); byte[] img = student3.getPhoto(); response.setContentType("image/jpeg"); ServletOutputStream os = response.getOutputStream(); if (img != null && img.length != 0) { for (int i = 0; i < img.length; i++) { os.write(img[i]); } os.flush(); } return NONE; } public List getList() { return majorService.getAll();// ����רҵ���� } public int getPageNow() { return pageNow; } public int getPageSize() { return pageSize; } public File getPhotofile() { return photofile; } public Student getStudent() { return student; } public StudentService getStudentService() { return studentService; } public MajorService getMajorService() { return majorService; } public void setList(List list) { this.list = list; } public void setMajorService(MajorService majorService) { this.majorService = majorService; } public void setPageNow(int pageNow) { this.pageNow = pageNow; } public void setPageSize(int pageSize) { this.pageSize = pageSize; } public void setPhotofile(File photofile) { this.photofile = photofile; } public void setStudent(Student student) { this.student = student; } public void setStudentService(StudentService studentService) { this.studentService = studentService; } public String updateStudent() throws Exception { System.out.println("进来了..."); Student student1 = studentService.find(student.getStudentId()); student1.setName(student.getName()); student1.setSex(student.getSex()); //student1.setMajor(majorService.getOneMajor(student.getMajor().getId())); student1.setBirthDate(student.getBirthDate()); student1.setTotalCredits(student.getTotalCredits()); student1.setOther(student.getOther()); System.out.println("jinru"); /*if (this.getPhotofile() != null) { FileInputStream fis = new FileInputStream(this.getPhotofile()); byte[] buffer = new byte[fis.available()]; fis.read(buffer); student1.setPhoto(buffer); }*/ Map request = (Map) ActionContext.getContext().get("request"); studentService.update(student1); return SUCCESS; } public String updateStudentView() throws Exception { String studentId = student.getStudentId(); Student studentInfo = studentService.find(studentId); List majors = majorService.getAll(); Map request = (Map) ActionContext.getContext().get("request"); request.put("studentInfo", studentInfo); request.put("majors", majors); return SUCCESS; } }