java學(xué)生管理系統(tǒng)源代碼.doc

import java.io.Serializable;public class Course implements Serializableprivate String courseName;private int courseGrade;Course()courseName=null;courseGrade=0;public void setCourseNameValue(String ss)this.courseName=ss;public void setCourseGradeValue(int dd)this.courseGrade=dd;public String getCourseNameValue()return this.courseName; public int getCourseGradeValue()return this.courseGrade;public boolean equals(Object o) if (o = null) return false; else if (o instanceof Course) Course rec = (Course) o; if (this.courseName.equals(rec.getCourseNameValue() return true; return false; -import java.io.Serializable;import java.util.Arrays;import java.util.LinkedList;import java.util.List;public class Student implements Serializable, Comparableprivate String studentName;private int studentId;/private int studentCourseAmount=4;private LinkedList courseList;Student()studentName=null;studentId=0;courseList=new LinkedList(); public void setStudentNameValue(String name)/確定學(xué)生名稱this.studentName=name;public void setStudentIdValue(int id)/確定學(xué)生學(xué)號this.studentId=id;public void setStudentCourseList(LinkedList list)/傳入課程鏈listthis.courseList=list;/ System.out.println(例：0916 張磊 語文 98 數(shù)學(xué) 67);public void setCourseGrade(Object o)/將與學(xué)科o同名的學(xué)科的成績改為o的成績for(int i=0;ithis.courseList.size();i+)Course obj=new Course();obj=(Course) this.courseList.get(i);if(obj.equals(o)Course res=(Course) o;obj.setCourseGradeValue(res.getCourseGradeValue();public String getStudentNameValue()/取得學(xué)生姓名return this.studentName;public int getStudentId()/取得學(xué)生學(xué)號return this.studentId;public LinkedList getstudentCourseList()/得到成績鏈的首地址return this.courseList;public long getStudentCourseGrade(Course o)/取得與o同名的成績值，尚有錯誤long temp = 0; List courTemp=this.getstudentCourseList(); Course obj;/System.out.println(courTemp.indexOf(o);int i=courTemp.indexOf(o);obj=(Course) courTemp.get(i);temp=obj.getCourseGradeValue(); return temp;public boolean equals(Object o) /判定兩個對象是否相同，姓名或?qū)W號相同 if (o = null) return false; else if (o instanceof Student) Student rec = (Student) o; System.out.println(rec.getStudentNameValue(); if (this.studentName.equals(rec.getStudentNameValue() | this.studentId=rec.getStudentId() return true; return false; public int compareTo(Object O)Student obj=(Student) O;int thisSum=0;for(int i=0;ithis.courseList.size();i+)Course cour=(Course) this.courseList.get(i);thisSum += cour.getCourseGradeValue();int OSum=0;for(int i=0;iobj.getstudentCourseList().size();i+)Course cour=(Course) obj.getstudentCourseList().get(i);OSum += cour.getCourseGradeValue();if(thisSumOSum) return 1;return 0;import java.awt.Color;import java.awt.Font;import java.io.BufferedReader;/import java.util.*;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.FileWriter;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.io.Serializable;import java.sql.Date;import java.text.DecimalFormat;import java.text.NumberFormat;import java.util.Arrays;import java.util.LinkedList;import java.util.List;import java.util.Scanner;import java.util.*; import org.jfree.chart.ChartFactory;import org.jfree.chart.ChartFrame;import org.jfree.chart.ChartUtilities;import org.jfree.chart.JFreeChart;import org.jfree.chart.axis.CategoryAxis;import org.jfree.chart.axis.NumberAxis;import org.jfree.chart.labels.StandardPieSectionLabelGenerator;import org.jfree.chart.plot.CategoryPlot;import org.jfree.chart.plot.PiePlot;import org.jfree.chart.plot.PlotOrientation;import org.jfree.chart.title.TextTitle;import org.jfree.data.category.DefaultCategoryDataset;import org.jfree.data.general.DefaultPieDataset;public class Teacher private String teacherName;private List studentList;Teacher()teacherName=null;studentList=new LinkedList();public void setTeacherName(String name)this.teacherName=name;public void setStudentList(LinkedList list)this.studentList=list;public String getTeacherName()return this.teacherName;public List getStudentList()return this.studentList; public void addStudent(Object o)/添加學(xué)生o /Date date=new Date(0); if(o!=null & (o instanceof Student) studentList.add(o); /*String s = null; try FileWriter fw = new FileWriter(manager.log, true); PrintWriter log = new PrintWriter(fw); log.println(-); / log.println(this.getTeacherName(); Student stu=(Student) o; log.println(添加學(xué)生); log.println(學(xué)號： +stu.getStudentId()+ +姓名: +stu.getStudentNameValue(); log.println(=+new Date( 0)+=); log.flush(); log.close(); catch (IOException e) e.printStackTrace(); */ public void toAddStudent(Scanner tempCourse) System.out.println(輸入要添加學(xué)生的學(xué)號，姓名，各科名稱及成績 以空格分開); System.out.println(例：09001 朱良 語文 23 數(shù)學(xué) 45 英語 78); InputStreamReader isr = new InputStreamReader(System.in);BufferedReader br = new BufferedReader(isr);String s = null;try s = br.readLine(); tempCourse=new Scanner(s); Student stu = new Student(); if(tempCourse.hasNextInt() int stuId = tempCourse.nextInt(); if(tempCourse.hasNext() String stuName = tempCourse.next(); stu.setStudentNameValue(stuName); stu.setStudentIdValue(stuId); LinkedList objList=new LinkedList(); String courseName=null; int courseGrade=0; Course objCourse; while(tempCourse.hasNext() | tempCourse.hasNextInt() courseName=tempCourse.next(); courseGrade=tempCourse.nextInt(); objCourse=new Course(); objCourse.setCourseNameValue(courseName); objCourse.setCourseGradeValue(courseGrade); objList.add(objCourse); stu.setStudentCourseList(objList); int k=0; for(int j=0;jthis.studentList.size();j+) Student cc=(Student) this.studentList.get(j); if(cc.getStudentId()=stu.getStudentId() k+; if(k=0) this.addStudent(stu); System.out.println(添加成功); else System.out.println(已存在該學(xué)號); this.toAddStudent(tempCourse); else System.out.println(錯誤輸入); this.toAddStudent(tempCourse); else System.out.println(錯誤輸入); this.toAddStudent(tempCourse); catch (IOException e) e.printStackTrace(); finallytry br.close(); catch (IOException e) e.printStackTrace(); public void removeStudent(int id)/刪除學(xué)號與id相同的對象 int index=-1; for(int i=0;ithis.studentList.size();i+) Student temp=(Student) this.studentList.get(i); if(temp.getStudentId() = id) index=i; if(index != -1) Student stu=(Student) this.studentList.get(index); this.studentList.remove(index); System.out.println(刪除成功); /*String s = null; try FileWriter fw = new FileWriter(manager.log, true); PrintWriter log = new PrintWriter(fw); log.println(-); /log.println(this.getTeacherName(); / Student stu=(Student) o; log.println(刪除學(xué)生); log.println(學(xué)號： +stu.getStudentId()+ +姓名: +stu.getStudentNameValue(); log.println(=+new Date(0)+=); log.flush(); log.close(); catch (IOException e) e.printStackTrace(); */ else System.out.println(不存在該學(xué)生); this.toRemoveStudent(); public void toRemoveStudent() System.out.println(輸入要刪除學(xué)生的學(xué)號); InputStreamReader isr = new InputStreamReader(System.in);BufferedReader br = new BufferedReader(isr);String s = null;try s = br.readLine();Scanner tempCourse=new Scanner(s);if(tempCourse.hasNextInt() int stuId = tempCourse.nextInt(); this.removeStudent(stuId); else System.out.println(錯誤輸入);this.toRemoveStudent(); / int stuId = tempCourse.nextInt(); / this.removeStudent(stuId); catch (IOException e) e.printStackTrace(); finallytry br.close(); catch (IOException e) e.printStackTrace(); public void changeStudent(Student o)/與o學(xué)號或姓名一樣的學(xué)生對象用o替代 int index=0; for(int i=0;ithis.studentList.size();i+) Student temp=(Student) this.studentList.get(i); if(temp.getStudentId() = o.getStudentId() | temp.getStudentNameValue().equals(o.getStudentNameValue() index=i; break; Student stu=(Student) this.studentList.get(index); this.studentList.set(index,o); /* String s = null; try FileWriter fw = new FileWriter(manager.log, true); PrintWriter log = new PrintWriter(fw); log.println(-); /log.println(this.getTeacherName(); /Student stu=(Student) o; log.println(修改學(xué)生信息); log.println(學(xué)號： +stu.getStudentId()+ +姓名: +stu.getStudentNameValue(); log.println(=+new Date(0)+=); log.flush(); log.close(); catch (IOException e) e.printStackTrace(); */ public void toChangeStudent() System.out.println(輸入要修改的學(xué)生的學(xué)號，姓名，各科名稱及成績 以空格分開); System.out.println(例：09001 朱良 語文 23 數(shù)學(xué) 45 英語 78); InputStreamReader isr = new InputStreamReader(System.in); BufferedReader br = new BufferedReader(isr); String s = null; try s = br.readLine(); Scanner tempCourse=new Scanner(s); Student stu = new Student(); int stuId = tempCourse.nextInt(); String stuName = tempCourse.next(); stu.setStudentNameValue(stuName); stu.setStudentIdValue(stuId); LinkedList objList=new LinkedList();String courseName=null; int courseGrade=0;Course objCourse;while(tempCourse.hasNext() | tempCourse.hasNextInt()courseName=tempCourse.next();courseGrade=tempCourse.nextInt();objCourse=new Course();objCourse.setCourseNameValue(courseName);objCourse.setCourseGradeValue(courseGrade);objList.add(objCourse); stu.setStudentCourseList(objList); this.changeStudent(stu); catch (IOException e) e.printStackTrace(); finally try br.close(); catch (IOException e) e.printStackTrace(); public void searchStudentById()/查找學(xué)號為id的學(xué)生的信息（學(xué)號，姓名，各科成績） System.out.println(輸入學(xué)號：); Scanner sc = new Scanner(System.in); int id = sc.nextInt(); int index=0; for(int i=0;ithis.studentList.size();i+) Student temp=(Student) this.studentList.get(i); if(temp.getStudentId() = id) index=i; Student sss=(Student) this.studentList.get(index);System.out.println(姓名： +sss.getStudentNameValue()+ );System.out.println(學(xué)號： +sss.getStudentId()+ ); LinkedList cour=new LinkedList(); cour=sss.getstudentCourseList();for(int i=0;icour.size();i+)Course tempCourse=new Course();tempCourse=(Course) cour.get(i);System.out.println(tempCourse.getCourseNameValue()+: +tempCourse.getCourseGradeValue()+ ); public void courseAverage()/計算單科平均分 System.out.println(輸入課程名); Course o = new Course(); Scanner sc = new Scanner(System.in); String ss=sc.next(); o.setCourseNameValue(ss); long sum=0; for(int i=0;ithis.studentList.size();i+) Student tempStu=(Student) this.studentList.get(i); sum=sum+tempStu.getStudentCourseGrade(o); double aver = (double) sum/this.studentList.size(); System.out.println(aver); public void makeOrderByGrades()/將學(xué)生信息按總成績從小到大打印到控制臺上 Object stuArray=this.studentList.toArray(); Arrays.sort(stuArray); for(int i=0;istuArray.length;i+) Student tempStu=(Student) stuArrayi; System.out.print(tempStu.getStudentId()+ ); System.out.print(tempStu.getStudentNameValue()+ ); LinkedList cour=new LinkedList(); cour=tempStu.getstudentCourseList(); for(int j=0;jcour.size();j+) Course tempCourse=new Course(); tempCourse=(Course) cour.get(j); System.out.print(tempCourse.getCourseNameValue()+ +tempCourse.getCourseGradeValue()+ ); System.out.println(); public void toClear() this.studentList.clear(); String s = null; try FileWriter fw = new FileWriter(manager.log, true); PrintWriter log = new PrintWriter(fw); log.println(-); log.println(this.getTeacherName(); /Student stu=(Student) o; log.println(刪除全部學(xué)生信息); log.println(=+new Date(0)+=); log.flush(); log.close(); catch (IOException e) e.printStackTrace(); public void PieChart()/餅形圖 / int count=scoreAna(); DefaultPieDataset pieDataset = new DefaultPieDataset(); int count = 0,0,0,0,0; / for() System.out.println(輸入課程名); Course o = new Course(); Scanner sc = new Scanner(System.in); String ss=sc.next(); o.setCourseNameValue(ss); / long sum=0; for(int i=0;ithis.studentList.size();i+) Student tempStu=(Student) this.studentList.get(i); int temp=(int) tempStu.getStudentCourseGrade(o); if(0=temp& temp60) count0+;/不及格人數(shù) if(60=temp& temp70) count1+;/及格人數(shù) if(70=temp& temp80) count2+;/中等人數(shù) if(80=temp& temp=100) count3+;/良好人數(shù) if(90=tempStu.getStudentCourseGrade(o)& tempStu.getStudentCourseGrade(o)=100) count4+;/優(yōu)秀人數(shù) / for(int j=0;jcount.length;j+)/ System.out.println(countj);/ pieDataset.setValue(優(yōu)秀,count0); pieDataset.setValue(良好,count1); pieDataset.setValue(中等,count2); pieDataset.setValue(及格,count3); pieDataset.setValue(不及格,count4); JFreeChart chart = ChartFactory.createPieChart3D(餅形圖,pieDataset, true, false, false); /*A start*/ /設(shè)置標(biāo)題字體樣式 chart.getTitle().setFont(new Font(黑體,Font.BOLD,20); /設(shè)置餅狀圖里描述字體樣式 PiePlot piePlot= (PiePlot) chart.getPlot(); piePlot.setLabelFont(new Font(黑體,Font.BOLD,10); /設(shè)置顯示百分比樣式 piePlot.setLabelGenerator(new StandardPieSectionLabelGenerator( (0(2), NumberFormat.getNumberInstance(), new DecimalFormat(0.00%); /設(shè)置統(tǒng)計圖背景 piePlot.setBackgroundPaint(Color.white); /設(shè)置圖片最底部字體樣式 chart.getLegend().setItemFont(new Font(黑體,Font.BOLD,10); /*A end*/ try ChartUtilities.writeChartAsPNG(new FileOutputStream(pieChart.jpg), chart, 400, 300); catch (FileNotFoundException e) e.printStackTrace(); catch (IOException e) e.printStackTrace(); final ChartFrame preview = new ChartFrame(學(xué)生成績情況,chart);preview.pack();preview.setVisible(true); / LabelFramePieChart app = new LabelFramePieChart(); / app.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); / app.setSize( 450,350 ); /app.setVisible( true ); -import j