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求JAVA视频播放器代码
import java.awt.BorderLayout;
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import java.awt.Component;
import java.awt.FileDialog;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.media.ControllerClosedEvent;
import javax.media.ControllerEvent;
import javax.media.ControllerListener;
import javax.media.EndOfMediaEvent;
import javax.media.Manager;
import javax.media.MediaLocator;
import javax.media.NoPlayerException;
import javax.media.Player;
import javax.media.PrefetchCompleteEvent;
import javax.media.RealizeCompleteEvent;
import javax.media.Time;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
public class JMFMediaPlayer extends JFrame implements ActionListener,
ControllerListener, ItemListener {
// JMF的播放器
Player player;
// 播放器的视频组件和控制组件
Component vedioComponent;
Component controlComponent;
// 标示是否是第一次打开播放器
boolean first = true;
// 标示是否需要循环
boolean loop = false;
// 文件当前目录
String currentDirectory;
// 构造方法
public JMFMediaPlayer(String title) {
super(title);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e){
// 用户点击窗口系统菜单的关闭按钮
// 调用dispose以执行windowClosed
dispose();
}
public void windowClosed(WindowEvent e){
if (player != null){
// 关闭JMF播放器对象
player.close();
}
System.exit(0);
}
});
// 创建播放器的菜单
JMenu fileMenu = new JMenu("文件");
JMenuItem openMemuItem = new JMenuItem("打开");
openMemuItem.addActionListener(this);
fileMenu.add(openMemuItem);
// 添加一个分割条
fileMenu.addSeparator();
// 创建一个复选框菜单项
JCheckBoxMenuItem loopMenuItem = new JCheckBoxMenuItem("循环", false);
loopMenuItem.addItemListener(this);
fileMenu.add(loopMenuItem);
fileMenu.addSeparator();
JMenuItem exitMemuItem = new JMenuItem("退出");
exitMemuItem.addActionListener(this);
fileMenu.add(exitMemuItem);
JMenuBar menuBar = new JMenuBar();
menuBar.add(fileMenu);
this.setJMenuBar(menuBar);
this.setSize(200, 200);
try {
// 设置界面的外观，为系统外观
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
SwingUtilities.updateComponentTreeUI(this);
} catch (Exception e) {
e.printStackTrace();
}
this.setVisible(true);
}
/**
* 实现了ActionListener接口，处理组件的活动事件
*/
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals("退出")) {
// 调用dispose以便执行windowClosed
dispose();
return;
}
FileDialog fileDialog = new FileDialog(this, "打开媒体文件", FileDialog.LOAD);
fileDialog.setDirectory(currentDirectory);
fileDialog.setVisible(true);
// 如果用户放弃选择文件，则返回
if (fileDialog.getFile() == null){
return;
}
currentDirectory = fileDialog.getDirectory();
if (player != null){
// 关闭已经存在JMF播放器对象
player.close();
}
try {
// 创建一个打开选择文件的播放器
player = Manager.createPlayer(new MediaLocator("file:"
+ fileDialog.getDirectory() + fileDialog.getFile()));
} catch (java.io.IOException e2) {
System.out.println(e2);
return;
} catch (NoPlayerException e2) {
System.out.println("不能找到播放器.");
return;
}
if (player == null) {
System.out.println("无法创建播放器.");
return;
}
first = false;
this.setTitle(fileDialog.getFile());
// 播放器的控制事件处理
player.addControllerListener(this);
// 预读文件内容
player.prefetch();
}
/**
* 实现ControllerListener接口的方法，处理播放器的控制事件
*/
public void controllerUpdate(ControllerEvent e) {
// 调用player.close()时ControllerClosedEvent事件出现。
// 如果存在视觉部件，则该部件应该拆除（为一致起见，
// 我们对控制面板部件也执行同样的操作）
if (e instanceof ControllerClosedEvent) {
if (vedioComponent != null) {
this.getContentPane().remove(vedioComponent);
this.vedioComponent = null;
}
if (controlComponent != null) {
this.getContentPane().remove(controlComponent);
this.controlComponent = null;
}
return;
}
// 如果是媒体文件到达尾部事件
if (e instanceof EndOfMediaEvent) {
if (loop) {
// 如果允许循环，则重新开始播放
player.setMediaTime(new Time(0));
player.start();
}
return;
}
// 如果是播放器预读事件
if (e instanceof PrefetchCompleteEvent) {
// 启动播放器
player.start();
return;
}
// 如果是文件打开完全事件，则显示视频组件和控制器组件
if (e instanceof RealizeCompleteEvent) {
vedioComponent = player.getVisualComponent();
if (vedioComponent != null){
this.getContentPane().add(vedioComponent);
}
controlComponent = player.getControlPanelComponent();
if (controlComponent != null){
this.getContentPane().add(controlComponent, BorderLayout.SOUTH);
}
this.pack();
}
}
// 处理“循环”复选框菜单项的点击事件
public void itemStateChanged(ItemEvent e) {
loop = !loop;
}
public static void main(String[] args){
new JMFMediaPlayer("JMF媒体播放器");
}
}
试试吧，我这里运行正常
Java帮我写下代码~
项目结构如下：
代码如下
package main;
public class Course {
private String classNum;
private String credit;
private String startClassDate;
private String endClassDate;
private String teacher;
private String assessment;
public String getClassNum() {
return classNum;
}
public void setClassNum(String classNum) {
this.classNum = classNum;
}
public String getCredit() {
return credit;
}
public void setCredit(String credit) {
this.credit = credit;
}
public String getStartClassDate() {
return startClassDate;
}
public void setStartClassDate(String startClassDate) {
this.startClassDate = startClassDate;
}
public String getEndClassDate() {
return endClassDate;
}
public void setEndClassDate(String endClassDate) {
this.endClassDate = endClassDate;
}
public String getTeacher() {
return teacher;
}
public void setTeacher(String teacher) {
this.teacher = teacher;
}
public String getAssessment() {
return assessment;
}
public void setAssessment(String assessment) {
this.assessment = assessment;
}
@Override
public String toString() {
return " 课程号:" + classNum + ", 学分:" + credit
+ ", 上课时间:" + startClassDate + ", 下课时间:"
+ endClassDate + ", 教师:" + teacher + ", 考核方式:"
+ assessment + "";
}
}
package main;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner(System.in);
System.out.println("创建学生请输入姓名:");
Student stu1 = new Student();
stu1.setName(sc.nextLine());
Scanner sc1 = new Scanner(System.in);
System.out.println("创建学生请输入学号:");
stu1.setNumber(sc1.nextLine());
System.out.println("请选择课程,课程如下:");
ListCourse list2 = new ArrayListCourse();
stu1.setCourses(list2);
ListCourse list = readTxt();
for (Course course : list) {
System.out.println(course.toString());
}
for (int i = 1; i 5; i++) {
System.out.println("请输入第"+i+"个课程号:");
//输入第一个课程号
list2 = handleClass(list, list2);
System.err.println("已选择成功!");
list = notSelectClass(list, list2);
System.out.println("请选择课程,课程如下:");
if(i==4){
break;
}
for (Course course : list) {
System.out.println(course.toString());
}
}
System.out.println("课程已选完!结果如下:");
System.err.println("学生:"+stu1.getName()+":");
for (Course course : list2) {
System.err.println(course.toString());
}
}
/**
*
* 查看未选择可选课程
* @param list 全部可选课程
* @param list2 已选课程
* @return
*/
private static ListCourse notSelectClass(ListCourse list,ListCourse list2){
for (int i = 0; i list.size(); i++) {
for (Course course : list2) {
//把已选课程剔除
if(course.getClassNum().equals(list.get(i).getClassNum())){
list.remove(i);
continue;
}
//把时间重合课程剔除 startdate1 =enddate2 and enddate1=startdate2
if(daYuDengYu(course.getEndClassDate(),list.get(i).getStartClassDate())daYuDengYu(list.get(i).getEndClassDate(), course.getStartClassDate())){
list.remove(i);
}
}
}
return list;
}
public static boolean daYuDengYu(String first, String second){
BigDecimal bd1 = new BigDecimal(first);
BigDecimal bd2 = new BigDecimal(second);
return bd1点抗 pareTo(bd2)=0?true:false;
}
/**
* 处理选择课程
* @param list
* @param list2
* @return
*/
private static ListCourse handleClass(ListCourse list,ListCourse list2){
while (true) {
Scanner sssi = new Scanner(System.in);
String num = sssi.nextLine().trim();
for (Course course : list) {
if(num.equals(course.getClassNum())){
list2.add(course);
return list2;
}
}
System.out.println("课程号输入错误,请重新输入:");
}
}
/**
* 读取txt获取课程 每个课程按;分割每个属性按,分割
* @return
* @throws Exception
*/
private static ListCourse readTxt() throws Exception{
/* 读入TXT文件 */
String pathname = Main.class.getResource("/").toString();
pathname = pathname.substring(6, pathname.length()-4)+"/src/classs/class.txt"; //获取绝对路径
File filename = new File(pathname); // 要读取以上路径的txt文件
ListCourse list = new ArrayListCourse();
BufferedInputStream bis = new BufferedInputStream(new FileInputStream(filename));
//读取文件内容
byte[] b = new byte[bis.available()];
bis.read(b);
if(b!=null){
String [] strs= new String(b).split(";");
if (strs==null) {
return null;
}
for (String string : strs) {
String[] str = string.split(",");
Course course = new Course();
course.setAssessment(str[5].trim());
course.setClassNum(str[0].trim());
course.setCredit(str[1].trim());
course.setEndClassDate(str[3].trim());
course.setStartClassDate(str[2].trim());
course.setTeacher(str[4].trim());
list.add(course);
}
}
bis.close();//关闭流(关闭bis就可以了)
return list;
}
}
package main;
import java.util.List;
public class Student {
private String name;
private String number;
private ListCourse courses;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getNumber() {
return number;
}
public void setNumber(String number) {
this.number = number;
}
public ListCourse getCourses() {
return courses;
}
public void setCourses(ListCourse courses) {
this.courses = courses;
}
}
001,1,7,8,Joyce,assignment;
002,1,8,9,Joyce,assignment;
003,1,12,15,Joyce,assignment;
004,1,18,19,Joyce,assignment;
005,1,7,8,LI,assignment;
006,1,8,9,LI,assignment;
007,1,12,15,LI,assignment;
008,1,18,19,LI,assignment;
JAVA代码
连连看java源代码
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class lianliankan implements ActionListener
{
JFrame mainFrame; //主面板
Container thisContainer;
JPanel centerPanel,southPanel,northPanel; //子面板
JButton diamondsButton[][] = new JButton[6][5];//游戏按钮数组
JButton exitButton,resetButton,newlyButton; //退出，重列，重新开始按钮
JLabel fractionLable=new JLabel("0"); //分数标签
JButton firstButton,secondButton; //分别记录两次被选中的按钮
int grid[][] = new int[8][7];//储存游戏按钮位置
static boolean pressInformation=false; //判断是否有按钮被选中
int x0=0,y0=0,x=0,y=0,fristMsg=0,secondMsg=0,validateLV; //游戏按钮的位置坐标
int i,j,k,n;//消除方法控制
public void init(){
mainFrame=new JFrame("JKJ连连看");
thisContainer = mainFrame.getContentPane();
thisContainer.setLayout(new BorderLayout());
centerPanel=new JPanel();
southPanel=new JPanel();
northPanel=new JPanel();
thisContainer.add(centerPanel,"Center");
thisContainer.add(southPanel,"South");
thisContainer.add(northPanel,"North");
centerPanel.setLayout(new GridLayout(6,5));
for(int cols = 0;cols 6;cols++){
for(int rows = 0;rows 5;rows++ ){
diamondsButton[cols][rows]=new JButton(String.valueOf(grid[cols+1][rows+1]));
diamondsButton[cols][rows].addActionListener(this);
centerPanel.add(diamondsButton[cols][rows]);
}
}
exitButton=new JButton("退出");
exitButton.addActionListener(this);
resetButton=new JButton("重列");
resetButton.addActionListener(this);
newlyButton=new JButton("再来一局");
newlyButton.addActionListener(this);
southPanel.add(exitButton);
southPanel.add(resetButton);
southPanel.add(newlyButton);
fractionLable.setText(String.valueOf(Integer.parseInt(fractionLable.getText())));
northPanel.add(fractionLable);
mainFrame.setBounds(280,100,500,450);
mainFrame.setVisible(true);
}
public void randomBuild() {
int randoms,cols,rows;
for(int twins=1;twins=15;twins++) {
randoms=(int)(Math.random()*25+1);
for(int alike=1;alike=2;alike++) {
cols=(int)(Math.random()*6+1);
rows=(int)(Math.random()*5+1);
while(grid[cols][rows]!=0) {
cols=(int)(Math.random()*6+1);
rows=(int)(Math.random()*5+1);
}
this.grid[cols][rows]=randoms;
}
}
}
public void fraction(){
fractionLable.setText(String.valueOf(Integer.parseInt(fractionLable.getText())+100));
}
public void reload() {
int save[] = new int[30];
int n=0,cols,rows;
int grid[][]= new int[8][7];
for(int i=0;i=6;i++) {
for(int j=0;j=5;j++) {
if(this.grid[i][j]!=0) {
save[n]=this.grid[i][j];
n++;
}
}
}
n=n-1;
this.grid=grid;
while(n=0) {
cols=(int)(Math.random()*6+1);
rows=(int)(Math.random()*5+1);
while(grid[cols][rows]!=0) {
cols=(int)(Math.random()*6+1);
rows=(int)(Math.random()*5+1);
}
this.grid[cols][rows]=save[n];
n--;
}
mainFrame.setVisible(false);
pressInformation=false; //这里一定要将按钮点击信息归为初始
init();
for(int i = 0;i 6;i++){
for(int j = 0;j 5;j++ ){
if(grid[i+1][j+1]==0)
diamondsButton[i][j].setVisible(false);
}
}
}
public void estimateEven(int placeX,int placeY,JButton bz) {
if(pressInformation==false) {
x=placeX;
y=placeY;
secondMsg=grid[x][y];
secondButton=bz;
pressInformation=true;
}
else {
x0=x;
y0=y;
fristMsg=secondMsg;
firstButton=secondButton;
x=placeX;
y=placeY;
secondMsg=grid[x][y];
secondButton=bz;
if(fristMsg==secondMsg secondButton!=firstButton){
xiao();
}
}
}
public void xiao() { //相同的情况下能不能消去。仔细分析，不一条条注释
if((x0==x (y0==y+1||y0==y-1)) || ((x0==x+1||x0==x-1)(y0==y))){ //判断是否相邻
remove();
}
else{
for (j=0;j7;j++ ) {
if (grid[x0][j]==0){ //判断第一个按钮同行哪个按钮为空
if (yj) { //如果第二个按钮的Y坐标大于空按钮的Y坐标说明第一按钮在第二按钮左边
for (i=y-1;i=j;i-- ){ //判断第二按钮左侧直到第一按钮中间有没有按钮
if (grid[x][i]!=0) {
k=0;
break;
}
else //K=1说明通过了第一次验证
}
if (k==1) {
linePassOne();
}
}
if (yj){ //如果第二个按钮的Y坐标小于空按钮的Y坐标说明第一按钮在第二按钮右边
for (i=y+1;i=j ;i++ ){ //判断第二按钮左侧直到第一按钮中间有没有按钮
if (grid[x][i]!=0){
k=0;
break;
}
else
}
if (k==1){
linePassOne();
}
}
if (y==j ) {
linePassOne();
}
}
if (k==2) {
if (x0==x) {
remove();
}
if (x0x) {
for (n=x0;n=x-1;n++ ) {
if (grid[n][j]!=0) {
k=0;
break;
}
if(grid[n][j]==0 n==x-1) {
remove();
}
}
}
if (x0x) {
for (n=x0;n=x+1 ;n-- ) {
if (grid[n][j]!=0) {
k=0;
break;
}
if(grid[n][j]==0 n==x+1) {
remove();
}
}
}
}
}
for (i=0;i8;i++ ) { //列
if (grid[i][y0]==0) {
if (xi) {
for (j=x-1;j=i ;j-- ) {
if (grid[j][y]!=0) {
k=0;
break;
}
else
}
if (k==1) {
rowPassOne();
}
}
if (xi) {
for (j=x+1;j=i;j++ ) {
if (grid[j][y]!=0) {
k=0;
break;
}
else
}
if (k==1) {
rowPassOne();
}
}
if (x==i) {
rowPassOne();
}
}
if (k==2){
if (y0==y) {
remove();
}
if (y0y) {
for (n=y0;n=y-1 ;n++ ) {
if (grid[i][n]!=0) {
k=0;
break;
}
if(grid[i][n]==0 n==y-1) {
remove();
}
}
}
if (y0y) {
for (n=y0;n=y+1 ;n--) {
if (grid[i][n]!=0) {
k=0;
break;
}
if(grid[i][n]==0 n==y+1) {
remove();
}
}
}
}
}
}
}
public void linePassOne(){
if (y0j){ //第一按钮同行空按钮在左边
for (i=y0-1;i=j ;i-- ){ //判断第一按钮同左侧空按钮之间有没按钮
if (grid[x0][i]!=0) {
k=0;
break;
}
else //K=2说明通过了第二次验证
}
}
if (y0j){ //第一按钮同行空按钮在与第二按钮之间
for (i=y0+1;i=j ;i++){
if (grid[x0][i]!=0) {
k=0;
break;
}
else
}
}
}
public void rowPassOne(){
if (x0i) {
for (j=x0-1;j=i ;j-- ) {
if (grid[j][y0]!=0) {
k=0;
break;
}
else
}
}
if (x0i) {
for (j=x0+1;j=i ;j++ ) {
if (grid[j][y0]!=0) {
k=0;
break;
}
else
}
}
}
public void remove(){
firstButton.setVisible(false);
secondButton.setVisible(false);
fraction();
pressInformation=false;
k=0;
grid[x0][y0]=0;
grid[x][y]=0;
}
public void actionPerformed(ActionEvent e) {
if(e.getSource()==newlyButton){
int grid[][] = new int[8][7];
this.grid = grid;
randomBuild();
mainFrame.setVisible(false);
pressInformation=false;
init();
}
if(e.getSource()==exitButton)
System.exit(0);
if(e.getSource()==resetButton)
reload();
for(int cols = 0;cols 6;cols++){
for(int rows = 0;rows 5;rows++ ){
if(e.getSource()==diamondsButton[cols][rows])
estimateEven(cols+1,rows+1,diamondsButton[cols][rows]);
}
}
}
public static void main(String[] args) {
lianliankan llk = new lianliankan();
llk.randomBuild();
llk.init();
}
}
//old 998 lines
//new 318 lines
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