1.用随机数表示概率

    public static boolean eighty_five() {int n = random.nextInt(100);boolean m;if(n < 85){m = true;return m;}else{m = false;return m;}}public static boolean fifity() {int n = random.nextInt(100);boolean m;if(n < 50){m = true;return m;}else{m = false;return m;}}

2.用arraylist中的某一属性作为筛选标准-从大到小

 //Sort by hero speedpublic static List<Hero> SpeedByHero(List<Hero> list) {Collections.sort(list, new Comparator<Hero>() {@Overridepublic int compare(Hero o1, Hero o2) {int flag;flag = o2.getSpeed()-o1.getSpeed();return flag;}});return list;}

3.判断字符是否为空与不空工具类

//Checks if the character is empty
public class StringUtil {public static boolean isEmpty(String str) {if(str==null || "".equals(str.trim())) {return true;}else {return false;}}public static boolean isNotEmpty(String str) {if(str!=null && !"".equals(str.trim())) {return true;}else {return false;}}//判断string是否为数字public static boolean isNumeric(String str){for (int i = 0; i < str.length(); i++){if (!Character.isDigit(str.charAt(i))){return false;}}return true;}
}

4.写游戏任务-先写抽象类，然后再写实现类，比较正规

public abstract class Role {private String name;private int speed;private int power;private int life;//Maximum healthprivate int health;//Health point//武器private int type;//Weapon status: 0 for no weapon, 1 for fire, 2 for water, and 3 for ice  private int type_power;//The power of the weapon//技能private String sName1;//attack(%80 chance of success. )private String sName2;//heal(%50 chance of success. heals teammates and yourself)private String sName3;//power up(75% probability of success, when the speed is greater than 1 available, each successful use, speed half, rounded up  ）//attack methodpublic abstract void attack(int skill,Role role,Villain villain);//skill methodpublic abstract String skill1(Villain villain);public abstract String skill2(Role role);public abstract String skill3(Role role);public Role(String name,  int power, int life, int speed,int type,String sName1, String sName2, String sName3) {super();this.name = name;this.power = power;this.life = life;this.speed = speed;this.type = type;this.sName1 = sName1;this.sName2 = sName2;this.sName3 = sName3;}public int getType() {return type;}public void setType(int type) {this.type = type;}public int getType_power() {return type_power;}public void setType_power(int type_power) {this.type_power = type_power;}public String getName() {return name;}public void setName(String name) {this.name = name;}public int getSpeed() {return speed;}public void setSpeed(int speed) {this.speed = speed;}public int getPower() {return power;}public void setPower(int power) {this.power = power;}public int getLife() {return life;}public void setLife(int life) {this.life = life;}public int getHealth() {return health;}public void setHealth(int health) {this.health = health;}public String getsName1() {return sName1;}public void setsName1(String sName1) {this.sName1 = sName1;}public String getsName2() {return sName2;}public void setsName2(String sName2) {this.sName2 = sName2;}public String getsName3() {return sName3;}public void setsName3(String sName3) {this.sName3 = sName3;}
}

import demo.Role;
import demo.Villain;
import utils.RandomUtils;
public class Hero extends Role {private boolean flag=false;private int total=0;//Total healing or total damagepublic Hero(String name,  int power, int life,int speed, int type,String sName1, String sName2, String sName3) {super(name,power,life,speed,type, "Attack","Heal", "Power Up");}public void attack(int skill,Role role, Villain villain) {role.setHealth(role.getHealth());if(skill == 1) {skill1(villain);}else if(skill == 2) {skill2(role);}else {skill3(role);}}//Attack method(%80)public String skill1(Villain villain) {if(RandomUtils.eighty()) {if(this.getType()!=0) {if(this.getType()==1&&villain.getType().contains("3")||this.getType()==2&&villain.getType().contains("1")||this.getType()==3&&villain.getType().contains("2")) {//Property restraintthis.setType_power(20);flag=true;}else {//Don't resistthis.setType_power(10);flag=false;}//Method implementationtotal=this.getPower()+this.getType_power();villain.setHealth(villain.getHealth()-total);//Judge monster healthif(villain.getHealth()<=0) {return "Hero "+this.getName()+" defeatd "+villain.getName();}else {if(flag) {return "Hero "+this.getName()+" "+this.getsName1()+" "+villain.getName()+",causing "+total+"damage,The monster still has "+villain.getHealth()+" health point";}else {return "Hero "+this.getName()+" "+this.getsName1()+" "+villain.getName()+",causing "+total+" damage,The monster still has "+villain.getHealth()+" health point";}}}else {//No weaponstotal=this.getPower();villain.setHealth(villain.getHealth()-total);//Judge monster healthif(villain.getHealth()<=0) {return "Hero victory";}else {return "Hero "+this.getName()+" "+this.getsName1()+" "+villain.getName()+",causing"+total+" damage,The monster still has "+villain.getHealth()+" health point";}}}else {return "Against failure";}}//heal(%50)public String skill2(Role role) {if(RandomUtils.fifity()) {if(role.getHealth()+this.getPower()<=role.getLife()) {total=this.getPower();role.setHealth(role.getHealth()+total);}else {total=role.getLife()-role.getHealth();role.setHealth(role.getLife());}return this.getName()+" heal "+role.getName()+",heal "+total+" health point";}else {return "treatment failure";}}//power up (75%)public String skill3(Role role) {if(RandomUtils.eighty_five()) {role.setPower(this.getPower()*2);//round up to an integerrole.setSpeed(this.getSpeed()/2+ (this.getSpeed() % 2 != 0 ? 1 : 0));return this.getName()+" power up "+role.getName()+",Twice as strong, half as fast";}else {return "Reinforcing failure";}}
}

5.JTextArea与JTextField

JTextField与JTextArea都是文本域，但是JTextField只有中文有自动换行功能，解决起来特别麻烦，我这里为了省事，直接换成了JTextArea，这个有专门的方法，可以英文等自动换行。

    private JTextArea MsgField;MsgField = new JTextArea();  MsgField.setLineWrap(true);        //Enable line wrappingMsgField.setWrapStyleWord(true);  // Activate the line break function

6.List

list.size()返回的是list大小（从1开始）list.get（index）得到对应索引的值（index从0开始）。list.remove(index);删除索引对应的元素（index从0开始）

7.Jfram小知识

dispose();销毁当前页面new MonsterFrame().setVisible(true);调用新页面并显示jfram页面间传值有几种方法，这里我简要说明一下参数直接传值：new MonsterCombatOutcomes(msg).setVisible(true);用静态变量传值public static int temporary；这两个是我经常用的给按钮或文本框赋值
都有对应的setText（）方法
获得对应的值有getText（）方法弹出提示
JOptionPane.showMessageDialog(null, "The name cannot be empty!");jframe居中显示，放在Jpane建立后
setLocationRelativeTo(null);

8.Jtable获取选中值

model = new DefaultTableModel(new Object[][] {},new String[] {header});table = new JTable(model);scrollPane.setViewportView(table);Object valueAt = model.getValueAt(table.getSelectedRow(), table.getSelectedColumn());//Add role data to the tableprivate void fillTable(List<Hero> list) {DefaultTableModel dtm=(DefaultTableModel) table.getModel();dtm.setRowCount(0);for (Hero hero : list) {Vector<String> v=new Vector<String>();v.add(hero.getName());dtm.addRow(v);}}

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角色扮演swing小游戏项目总结

1.用随机数表示概率

2.用arraylist中的某一属性作为筛选标准-从大到小

3.判断字符是否为空与不空工具类

4.写游戏任务-先写抽象类，然后再写实现类，比较正规

5.JTextArea与JTextField

6.List

7.Jfram小知识

8.Jtable获取选中值

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