java学生信息管理系统MVC架构详解

/* 
 * @filename: student.class 
 * @version:1.0 
 * @author:nazi 
 * 描述：模型层 
 * */ 
import java.io.serializable; 
 
/* 
 * summary: student类实现序列化接口，用于对象的保存 
 * @author：nazi 
 * @version:1.0 
 * */ 
public class student implements serializable { 
  //序列化id 
  private static final long serialversionuid = 9088453456517873574l; 
  int num; 
  string name; 
  string sex; 
  int age; 
  float grade; 
   
  public student(int num ,string namestring,string sexstring,int g,float f){ 
    this.num =num; 
    name = namestring; 
    sex =sexstring; 
    age =g; 
    grade =f; 
  } 
   
   
  public int getnum(){ 
    return num; 
  } 
 
  public string getname(){ 
    return name; 
  } 
 
  public string getsex(){ 
    return sex; 
  } 
 
  public int getage(){ 
    return age; 
  } 
 
  public float getgrades(){ 
    return grade; 
  } 
   
  public string tostring(){ 
    return "姓名:"+name+"学号:"+num+"性别:"+sex+"年龄:"+age+"成绩:"+grade; 
     
  } 
 
} 

/* 
 * 文件名： cotroller.java 
 * 描述：mvc中的c，用来管理模型层的数据 
 * @authur:nazi 
 * function ：增、删、改、查、保存、更新 
 * */ 
import java.io.fileinputstream; 
import java.io.filenotfoundexception; 
import java.io.fileoutputstream; 
import java.io.ioexception; 
import java.io.objectinputstream; 
import java.io.objectoutputstream; 
import java.util.arraylist; 
import java.util.iterator; 
 
 
/* 
 * cotroller类集中对arraylist<student>进行操作 
 * @author nazi 
 * @version 1.0 
 * */ 
public class cotroller { 
   
  //student数据集合 
  private arraylist<student> list; 
   
  public cotroller(arraylist<student> l){ 
    this.list =l; 
  } 
   
  /* 
   * rturn a arraylist<student> 
   * */ 
  public arraylist<student> getlist() 
  { 
    return list; 
  } 
   
  /* 
   * 初始化student数组 
   * */ 
  public void setlist(arraylist<student> list) 
  { 
    this.list = list; 
  } 
   
  /* 
   * add a student to the list 
   * */ 
  public void add(student s) 
  { 
    list.add(s); 
  } 
   
  /* 
   * remove the student from list 
   * */ 
  public void remove(int id) 
  { 
    for(iterator<student> iter = list.iterator(); iter.hasnext();) 
    { 
      student s = iter.next(); 
       
      if(s.getnum() == id) 
      { 
        list.remove(s); 
      } 
    } 
  } 
 
  /* 
   * print the specific student 
   * */ 
  public string printall(int i) { 
     return list.get(i).tostring(); 
  } 
   
  /* 
   * 功能简述：将实现序列化后的对象写入到文件中。 
   * 文件输出地址："/home/nazi/2.txt" 文件地址可以更改 
   * */ 
  public void fileot() throws filenotfoundexception{ 
    fileoutputstream fo = new fileoutputstream("/home/nazi/2.txt"); 
    try { 
      objectoutputstream so = new objectoutputstream(fo); 
      so.writeobject(list); 
      so.close(); 
    } catch (ioexception e) { 
      e.printstacktrace(); 
    } 
     
  } 
 
  /* 
   * function: 从指定路径读取文件，然后将对象状态进行赋值使用 
   * 
   * */ 
  @suppresswarnings("unchecked") 
  public void filein() throws filenotfoundexception{ 
    fileinputstream fi = new fileinputstream("/home/nazi/2.txt"); 
    try { 
      objectinputstream si = new objectinputstream(fi); 
      list = (arraylist<student>) si.readobject(); 
      si.close(); 
    } catch (ioexception e) { 
      // todo auto-generated catch block 
      e.printstacktrace(); 
    } catch (classnotfoundexception e) { 
      // todo auto-generated catch block 
      e.printstacktrace(); 
    } 
  } 
   
   
   
 
} 

/* 
 * filename:stuview.class 
 * 描述：以特定的方式展示数据 
 * @atuthor:nazi 
 * @version:1.0 
 * */ 
import java.awt.font; 
import java.awt.event.actionevent; 
import java.awt.event.actionlistener; 
import java.io.filenotfoundexception; 
import java.util.arraylist; 
import javax.swing.jbutton; 
import javax.swing.jframe; 
import javax.swing.jlabel; 
import javax.swing.jtextarea; 
import javax.swing.jtextfield; 
 
 
/* 
 * stuview 类用于展示数据 
 * @author：nazi 
 * @version:1.0 
 * */ 
public class stuview {  
  private static cotroller cotroller; 
  public static void main(string args[]){ 
    //创建管理者 
    cotroller = new cotroller(new arraylist<student>()); 
    //界面 
    initframe(); 
  } 
   
  /* 
   * initframe()中含有各种类型的控件，以及控件所对应的事件处理步骤 
   * */ 
  protected static void initframe(){ 
      jframe frame = new jframe("学生信息管理系统"); 
      frame.setsize(600,600); 
      frame.setlocation(500, 100); 
      frame.setlayout(null); 
      //生成组件 
      final jtextfield name = new jtextfield(); 
      name.setbounds(79, 10, 103, 25); 
      final jtextfield num = new jtextfield(); 
      num.setbounds(79, 53, 103, 25); 
      final jtextfield sex = new jtextfield(); 
      sex.setbounds(79, 101, 103, 25); 
      final jtextfield age = new jtextfield(); 
      age.setbounds(79, 161, 103, 25); 
      final jtextfield g1 = new jtextfield(); 
      g1.setbounds(79, 216, 103, 25); 
 
      final jtextarea show = new jtextarea(); 
      show.setbounds(194, 12, 388, 274); 
      frame.add(show); 
      show.setfont(new font("serif",font.bold,18)); 
     
       
       
      frame.add(show); 
      frame.add(name); 
      frame.add(num); 
      frame.add(sex); 
      frame.add(age); 
      frame.add(g1); 
      frame.add(show); 
       
      jlabel label = new jlabel("学号："); 
      label.setbounds(12, 55, 63, 13); 
      frame.getcontentpane().add(label); 
       
      jlabel label_1 = new jlabel("姓名："); 
      label_1.setbounds(12, 10, 63, 13); 
      frame.getcontentpane().add(label_1); 
       
      jlabel label_2 = new jlabel("性别："); 
      label_2.setbounds(12, 110, 63, 13); 
      frame.getcontentpane().add(label_2); 
       
      jlabel label_3 = new jlabel("年龄："); 
      label_3.setbounds(12, 167, 63, 13); 
      frame.getcontentpane().add(label_3); 
       
      jlabel label_4 = new jlabel("成绩："); 
      label_4.setbounds(12, 226, 70, 13); 
      frame.getcontentpane().add(label_4); 
       
       
       
      //添加学生 
      jbutton btnadd =new jbutton("添加"); 
      btnadd.setbounds(12, 362, 104, 23); 
      frame.add(btnadd); 
      btnadd.addactionlistener(new actionlistener() { 
        public void actionperformed(actionevent arg0) { 
          student s1 = new student(integer.parseint(num.gettext()),name.gettext(), sex.gettext(),integer.parseint(age.gettext()),integer.parseint(g1.gettext())); 
          //放到集合 
          cotroller.getlist().add(s1); 
          //打印 
          for(int i = 0;i<cotroller.getlist().size();i++){ 
            show.append("\n"); 
            show.append(cotroller.printall(i)); 
          } 
           
           
        } 
      }); 
       
      //保存为文件 
      jbutton btnsave =new jbutton("保存");; 
      btnsave.setbounds(478, 362, 104, 23); 
      frame.add(btnsave); 
      btnsave.addactionlistener(new actionlistener() { 
        public void actionperformed(actionevent arg0) { 
          try { 
            cotroller.fileot(); 
          } catch (filenotfoundexception e) { 
            // todo auto-generated catch block 
            e.printstacktrace(); 
          } 
        } 
      }); 
       
      //刷新 
      jbutton btnrefresh = new jbutton("刷新"); 
      btnrefresh.setbounds(327, 362, 104, 23); 
      frame.add(btnrefresh); 
      btnrefresh.addactionlistener(new actionlistener() { 
         
        @override 
        public void actionperformed(actionevent arg0) { 
          try { 
            cotroller.filein(); 
          } catch (filenotfoundexception e) { 
            // todo auto-generated catch block 
            e.printstacktrace(); 
          } 
          //打印 
          for(int i = 0;i<cotroller.getlist().size();i++){ 
            show.append("\n"); 
            show.append(cotroller.printall(i)); 
          } 
           
        } 
      }); 
       
      //删除 
      jbutton button_1 = new jbutton("删除"); 
      button_1.setbounds(169, 362, 104, 23); 
      button_1.addactionlistener(new actionlistener() { 
         
        @override 
        public void actionperformed(actionevent arg0) { 
          // todo auto-generated method stub 
           
        } 
      }); 
      frame.add(button_1); 
      frame.setdefaultcloseoperation(jframe.exit_on_close); 
      frame.setvisible(true);  
    } 
 
}