C#学习笔记之——一些练习（包含了一些out的使用，string的使用，StringBuilder的使用，类的属性，最大公约数的求法，还有英雄，武器类的设置）

题太多了，看注释好了= =
包含了一些out的使用，string的使用，StringBuilder的使用，类的属性，最大公约数的求法，还有英雄，武器类的设置
using System;
using System.Text;

namespace Homework12_6
{

// B:
// 1、定义分数（Fraction）类：
// (1）成员变量
// 私有字段以及可读可写属性：分子、分母
// (2）成员方法：
// * 打印分数信息（例如： 1 / 3）
// * 约分
// * 创建一个方法交换分子和分母的值
// * 创建一个方法能同时得到加、减、乘、除、求余运算;

public class Fraction
{
int numerator;//分子
int denominator;//分母
public int Numerator{ //属性
set{
numerator = value;
}
get{
return numerator;
}
}
public int Denominator{ //属性
set{
if (value == 0)
throw new FormatException ("It can not be 0!");//抛出异常
denominator = value;
}
get{
return denominator;
}
}
#region Method/Function //对编程无影响
//打印分数信息
public void ShowFraction(){
Console.WriteLine (numerator + " " + "/" + " " + denominator);
}
//约分
public void ToReduce(){
int a = numerator, b = denominator;
//求出最大公约数
while ( a!=b)
if (a>b) a=a-b;

else b=b-a;
numerator /= a;
denominator /= a;
}
//交换分子和分母的值
public void Swap(){
int temp;
temp = this.numerator;
this.numerator = this.denominator;
this.denominator = temp;
}
//同时得到加、减、乘、除、求余运算
public void Calculate (Fraction fraction) {
Console.WriteLine ("相加结果是：", (this.numerator/this.denominator+fraction.numerator/fraction.denominator));
Console.WriteLine ("相减结果是：", (this.numerator/this.denominator-fraction.numerator/fraction.denominator));
Console.WriteLine ("相乘结果是：", (this.numerator*fraction.numerator)/(this.denominator*fraction.denominator));
Console.WriteLine ("相除结果是：", (this.numerator*fraction.denominator)/(this.denominator*fraction.numerator));
Console.WriteLine ("求余结果是：", (this.numerator * fraction.denominator) % (this.denominator * fraction.numerator));
}
public void Calculator (Fraction fraction, out Fraction addResult, out Fraction reduceResult, out Fraction mulitResult,out Fraction divResult, out Fraction comResult) {
addResult = new Fraction ();
addResult.numerator = (this.numerator * fraction.denominator) + (fraction.numerator * this.denominator);
addResult.denominator = this.denominator * fraction.denominator;
addResult.ToReduce ();

reduceResult = new Fraction ();
reduceResult.numerator = (this.numerator * fraction.denominator) - (fraction.numerator * this.denominator);
reduceResult.denominator = this.denominator * fraction.denominator;
reduceResult.ToReduce ();

mulitResult = new Fraction ();
mulitResult.numerator = this.numerator * fraction.numerator;
mulitResult.denominator = this.denominator * fraction.denominator;
mulitResult.ToReduce ();

divResult = new Fraction ();
divResult.numerator = this.numerator * fraction.denominator;
divResult.denominator = this.denominator * fraction.numerator;
divResult.ToReduce ();

comResult = new Fraction ();
comResult.numerator = (this.numerator * fraction.denominator) % (fraction.numerator * this.denominator);
comResult.denominator = this.denominator * fraction.denominator;
comResult.ToReduce ();
}
#endregion
}

// C:
// 1、创建武器类，包含字段：加攻击力，加生命值，加防御力，加速度值，类型（包括攻击，防御，法术，移动，打野
// 创建英雄类，包含字段：血量，攻击力，名字，防御力，移动速度，等级
// 英雄类当中包括的方法：
// （1）加装装备
// （2）卸载装备
// （3）攻击英雄
// （4）受到攻击会掉血，举例：攻击力为100的时候，掉血为100。当血量小于等于0的时候英雄阵亡
// （5）每杀一个英雄等级+1，同时攻击力增加200
// 模拟英雄互相伤害的场景
public enum Type
{
attack,//攻击
defence,//防御
magic,//法术
movement,//移动
jungle//打野
}
//武器类
public class Weapons
{
public int addATK = 0;
public int addHP = 0;
public int addDefence = 0;
public int addSpeed = 0;
public Type type;
public Weapons(Type type){
if (type == Type.attack)
addATK = 100;
if (type == Type.defence)
addDefence = 100;
if (type == Type.jungle) {
addATK = 50;
addHP = 50;
}
if (type == Type.magic) {
addSpeed = 10;
addATK = 20;
}
if (type == Type.movement)
addSpeed = 50;
}
}
//英雄类
public class Hero
{
string name;
int HP = 100;
int ATK;
int defence;
int speed;
int level = 0;
//init
public Hero(string name,int HP,int ATK,int defence,int speed)
{
this.ATK = ATK;
this.defence = defence;
this.name = name;
this.speed = speed;
this.HP = HP;
}
public void Introduce ()
{
Console.WriteLine ("【my name is {0}】", name);
}
//加装备
public void LoadWeapon (Weapons weapon) {
switch (weapon.type) {
case Type.attack:
this.ATK += weapon.addATK;
this.defence += weapon.addDefence;
this.HP += weapon.addHP;
this.speed += weapon.addSpeed;
break;
case Type.defence:
this.ATK += weapon.addATK;
this.defence += weapon.addDefence;
this.HP += weapon.addHP;
this.speed += weapon.addSpeed;
break;
case Type.jungle:
this.ATK += weapon.addATK;
this.defence += weapon.addDefence;
this.HP += weapon.addHP;
this.speed += weapon.addSpeed;
break;
case Type.magic:
this.ATK += weapon.addATK;
this.defence += weapon.addDefence;
this.HP += weapon.addHP;
this.speed += weapon.addSpeed;
break;
case Type.movement:
this.ATK += weapon.addATK;
this.defence += weapon.addDefence;
this.HP += weapon.addHP;
this.speed += weapon.addSpeed;
break;
}
}
//卸装备
public void UnloadWeapon (Weapons weapon) {
switch (weapon.type) {
case Type.attack:
this.ATK -= weapon.addATK;
this.defence -= weapon.addDefence;
this.HP -= weapon.addHP;
this.speed -= weapon.addSpeed;
break;
case Type.defence:
this.ATK -= weapon.addATK;
this.defence -= weapon.addDefence;
this.HP -= weapon.addHP;
this.speed -= weapon.addSpeed;
break;
case Type.jungle:
this.ATK -= weapon.addATK;
this.defence -= weapon.addDefence;
this.HP -= weapon.addHP;
this.speed -= weapon.addSpeed;
break;
case Type.magic:
this.ATK -= weapon.addATK;
this.defence -= weapon.addDefence;
this.HP -= weapon.addHP;
this.speed -= weapon.addSpeed;
break;
case Type.movement:
this.ATK -= weapon.addATK;
this.defence -= weapon.addDefence;
this.HP -= weapon.addHP;
this.speed -= weapon.addSpeed;
break;
}
}
//攻击
public void Attack (Hero hero) {
if (hero.HP > 0) {
hero.HP -= this.ATK;
Console.WriteLine ("【攻击{0}】",hero.name);
if (hero.HP <= 0) {
this.level++;
}
}
}
//受到攻击会掉血，举例：攻击力为100的时候，掉血为100。当血量小于等于0的时候英雄阵亡
public void BeAttacked (Hero[] hero) {
for (int i = 0; i < hero.Length; i++) {
if (this.HP <= 0) {
Console.WriteLine ("英雄死亡");
break;
} else {
this.HP -= hero[i].ATK;
Console.WriteLine ("【{0}受到{1}点攻击】",this.name,hero[i].ATK);
}

}

}
}

class MainClass
{
public static void Main (string[] args)
{
// A:
// 1. 自选一行英文语句，统计其中的单词个数（规定：单词之间以空格分隔），并将每一个单词的第一个字母改为大写
string a1 = "there are so many people around the buiding";
string[] a2 = a1.Split (' ');
Console.WriteLine ("单词个数为：" + a2.Length);
string a3 = "";
for (int i = 0; i < a2.Length; i++) {
a3 = a3 + a2 [i].Substring (0, 1).ToUpper () + a2[i].Substring(1) + " ";
}
Console.Write("将首字母改为大写："+a3);
Console.WriteLine ();
//方法二
// for (int i = 0; i < a1.Length; i++) {
// StringBuilder a4 = new StringBuilder (a1 [i]);
// if (a4 [0] <= 'z' && a4 [0] >= 'a') {
// a4[0] -= ' ';
// }
// a1 [i] = a4.ToString ();
// Console.WriteLine (a1 [i]);
// }

// 2. 求{"a","ba","bc","bad","abcde"}这个字符串数组中，字母a出现的次数
string[] a4 = new string[5]{"a","ba","bc","bad","abcde"};
// Console.WriteLine (a4.Length);
int count = 0;
for (int i = 0; i < a4.Length; i++) {
if (a4 [i].Contains ("a"))
count++;
}
Console.WriteLine ("字母a出现的次数："+count);

//初始化分数
Console.WriteLine("第一个分数：");
Fraction fraction1 = new Fraction ();
fraction1.Numerator = 3;
fraction1.Denominator = 4;
fraction1.ShowFraction ();

Console.WriteLine("第二个分数：");
Fraction fraction2 = new Fraction ();
fraction2.Numerator = 2;
fraction2.Denominator = 4;
fraction2.ShowFraction ();

//约分
fraction2.ToReduce();
Console.WriteLine("约分结果：");
fraction2.ShowFraction ();

//交换分子分母的值
Console.WriteLine("交换分子分母的值：");
fraction1.Swap ();
fraction1.ShowFraction ();

//加减乘除
Fraction addR;
Fraction redR;
Fraction mulR;
Fraction divR;
Fraction comR;
fraction1.Calculate(fraction2);
fraction1.Calculator (fraction2, out addR, out redR, out mulR, out divR, out comR);
addR.ShowFraction ();
redR.ShowFraction ();
mulR.ShowFraction ();
divR.ShowFraction ();
comR.ShowFraction ();

//初始化武器
Weapons weapon1 = new Weapons(Type.attack);
Weapons weapon2 = new Weapons(Type.defence);
Weapons weapon3 = new Weapons(Type.jungle);
Weapons weapon4 = new Weapons(Type.magic);
Weapons weapon5 = new Weapons(Type.movement);

//初始化五个英雄
Hero hero1 = new Hero("Ash",200,50,30,20);
Hero hero2 = new Hero("Blenk",200,50,30,20);
Hero hero3 = new Hero("Christina",200,50,30,20);
Hero hero4 = new Hero("Elberhan",200,50,30,20);
Hero hero5 = new Hero("Mick",200,50,30,20);

//加装备
hero1.LoadWeapon(weapon1);
hero2.LoadWeapon(weapon2);
hero3.LoadWeapon(weapon3);
hero4.LoadWeapon(weapon4);
hero5.LoadWeapon(weapon5);

Hero[] heros = new Hero[4]{hero2,hero3,hero4,hero5};

hero1.Attack (hero2);
hero1.Attack (hero3);
hero1.Attack (hero4);
hero1.Attack (hero5);

hero1.BeAttacked (heros);
}
}
}