本文实例为大家分享了java学生信息管理系统mvc架构,供大家参考,具体内容如下
一、项目结构
学生信息管理系统分三层进行实现。student.java主要提供数据,cotroller.java的功能是绑定试图和计算数据。stuview.java用于单一的用来显示数据。
二、源码
1.1、student 类
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/* * @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; } } |
1.2、cotroller类
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/* * 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(); } } } |
1.3、stuview类
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/* * 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 ); } } |
三、运行效果(初始界面、添加界面、刷新界面)
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://blog.csdn.net/weixin_36571185/article/details/61614723