edu_system.rar_教务_教务 选课_教务管理系统

package com.custmannage.action; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import java.util.UUID; import org.apache.struts2.ServletActionContext; import java.util.List; import com.custmannage.dao.ClassInfoDAO; import com.custmannage.dao.StudentDAO; import com.custmannage.domain.ClassInfo; import com.custmannage.domain.Student; import com.custmannage.test.TestUtil; import com.opensymphony.xwork2.ActionContext; import com.opensymphony.xwork2.ActionSupport; public class StudentAction extends ActionSupport { /*图片字段studentPhoto参数接收*/ private File studentPhotoFile; private String studentPhotoFileFileName; private String studentPhotoFileContentType; public File getStudentPhotoFile() { return studentPhotoFile; } public void setStudentPhotoFile(File studentPhotoFile) { this.studentPhotoFile = studentPhotoFile; } public String getStudentPhotoFileFileName() { return studentPhotoFileFileName; } public void setStudentPhotoFileFileName(String studentPhotoFileFileName) { this.studentPhotoFileFileName = studentPhotoFileFileName; } public String getStudentPhotoFileContentType() { return studentPhotoFileContentType; } public void setStudentPhotoFileContentType(String studentPhotoFileContentType) { this.studentPhotoFileContentType = studentPhotoFileContentType; } /*界面层需要查询的属性: 学号*/ private String studentNumber; public void setStudentNumber(String studentNumber) { this.studentNumber = studentNumber; } public String getStudentNumber() { return this.studentNumber; } /*界面层需要查询的属性: 姓名*/ private String studentName; public void setStudentName(String studentName) { this.studentName = studentName; } public String getStudentName() { return this.studentName; } /*界面层需要查询的属性: 所在班级*/ private ClassInfo studentClassNumber; public void setStudentClassNumber(ClassInfo studentClassNumber) { this.studentClassNumber = studentClassNumber; } public ClassInfo getStudentClassNumber() { return this.studentClassNumber; } /*界面层需要查询的属性: 出生日期*/ private String studentBirthday; public void setStudentBirthday(String studentBirthday) { this.studentBirthday = studentBirthday; } public String getStudentBirthday() { return this.studentBirthday; } /*当前第几页*/ private int currentPage; public void setCurrentPage(int currentPage) { this.currentPage = currentPage; } public int getCurrentPage() { return currentPage; } /*一共多少页*/ private int totalPage; public void setTotalPage(int totalPage) { this.totalPage = totalPage; } public int getTotalPage() { return totalPage; } /*当前查询的总记录数目*/ private int recordNumber; public void setRecordNumber(int recordNumber) { this.recordNumber = recordNumber; } public int getRecordNumber() { return recordNumber; } /*业务层对象*/ StudentDAO studentDAO = new StudentDAO(); /*待操作的Student对象*/ private Student student; public void setStudent(Student student) { this.student = student; } public Student getStudent() { return this.student; } /*跳转到添加Student视图*/ public String AddView() { ActionContext ctx = ActionContext.getContext(); /*查询所有的ClassInfo信息*/ ClassInfoDAO classInfoDAO = new ClassInfoDAO(); List<ClassInfo> classInfoList = classInfoDAO.QueryAllClassInfoInfo(); ctx.put("classInfoList", classInfoList); return "add_view"; } /*添加Student信息*/ @SuppressWarnings("deprecation") public String AddStudent() { ActionContext ctx = ActionContext.getContext(); /*验证学号是否已经存在*/ String studentNumber = student.getStudentNumber(); Student db_Student = studentDAO.GetStudentByStudentNumber(studentNumber); if(null != db_Student) { ctx.put("error", java.net.URLEncoder.encode("该学号已经存在!")); return "error"; } try { if(true) { ClassInfoDAO classInfoDAO = new ClassInfoDAO(); ClassInfo studentClassNumber = classInfoDAO.GetClassInfoByClassNumber(student.getStudentClassNumber().getClassNumber()); student.setStudentClassNumber(studentClassNumber); } String path = ServletActionContext.getServletContext().getRealPath("/upload"); /*处理图片上传*/ String studentPhotoFileName = ""; if(studentPhotoFile != null) { InputStream is = new FileInputStream(studentPhotoFile); String fileContentType = this.getStudentPhotoFileContentType(); if(fileContentType.equals("image/jpeg") || fileContentType.equals("image/pjpeg")) studentPhotoFileName = UUID.randomUUID().toString() + ".jpg"; else if(fileContentType.equals("image/gif")) studentPhotoFileName = UUID.randomUUID().toString() + ".gif"; else { ctx.put("error", java.net.URLEncoder.encode("上传图片格式不正确!")); return "error"; } File file = new File(path, studentPhotoFileName); OutputStream os = new FileOutputStream(file); byte[] b = new byte[1024]; int bs = 0; while ((bs = is.read(b)) > 0) { os.write(b, 0, bs); } is.close(); os.close(); } if(studentPhotoFile != null) student.setStudentPhoto("upload/" + studentPhotoFileName); else student.setStudentPhoto("upload/NoImage.jpg"); studentDAO.AddStudent(student); ctx.put("message", java.net.URLEncoder.encode("Student添加成功!")); return "add_success"; } catch (Exception e) { e.printStackTrace(); ctx.put("error", java.net.URLEncoder.encode("Student添加失败!")); return "error"; } } /*查询Student信息*/ public String QueryStudent() { if(currentPage == 0) currentPage = 1; if(studentNumber == null) studentNumber = ""; if(studentName == null) studentName = ""; if(studentBirthday == null) studentBirthday = ""; List<Student> StudentList = studentDAO.QueryStudentInfo(studentNumber, studentName, studentClassNumber, studentBirthday, currentPage); /*计算总的页数和总的记录数*/ studentDAO.CalculateTotalPageAndRecordNumber(studentNumber, studentName, studentClassNumber, studentBirthday); /*获取到总的页码数目*/ totalPage = studentDAO.getTotalPage(); /*当前查询条件下总记录数*/ recordNumber = studentDAO.getRecordNumber(); ActionContext ctx = ActionContext.getContext(); ctx.put("StudentList", StudentList); ctx.put("totalPage", totalPage); ctx.put("recordNumber", recordNumber); ctx.put("currentPage", currentPage); ctx.put("studentNumber", studentNumber); ctx.put("studentName", studentName); ctx.put("studentClassNumber", studentClassNumber); ClassInfoDAO classInfoDAO = new ClassInfoDAO(); List<ClassInfo> classInfoList = classInfoDAO.QueryAllClassInfoInfo(); ctx.put("classInfoList", classInfoList); ctx.put("studentBirthday", studentBirthday); return "query_view"; } /*前台查询Student信息*/ public String FrontQueryStudent() { if(currentPage == 0) currentPage = 1; if(studentNumber == null) studentNumber = ""; if(studentName == null) s