<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<button type="button" id="btn">啓動寵物遊戲</button>
<script>
var mybtn = document.querySelector("#btn");
mybtn.onclick = function () {
petGame.welcome();
};
// 貓，狗，魚 ，三種寵物的屬性：都有 名字，性別，主人，狀態，類型
// 三種寵物的共有的方法：介紹，餵食
// 父類：定義三種寵物的共性
function Pet(name, gender, owner) {
this.name = name;
this.gender = gender;
this.owner = owner;
this.healthy = 80;
this.lastEatTime = new Date() - 10 * 1000;
}
Pet.prototype.introduceSelf = function () {
console.log(`
大家好，我是一隻叫${this.name}的 ${this.type},
我是個${this.gender === "1" ? "男生" : '女生'},
我的主人是${this.owner}，
我的狀態是${this.healthy}
`);
};
Pet.prototype.eat = function () {
var now = new Date();
if (now - this.lastEatTime < 1000 * 10) {
console.log("我吃的太頻繁啦，目前不需要吃東西哦！");
} else {
this.healthy += 20;
console.log(`嘻嘻，${this.name}吃飯了,當前狀態${this.healthy}，今天也要衝呀`);
this.lastEatTime = new Date();
}
}
// 定義子類：狗
function Dog() {
Pet.apply(this, arguments);
this.type = "狗狗";
}
Dog.prototype = new Pet();
Dog.prototype.constructor = Dog;
Dog.prototype.play = function () {
this.healthy += 10;
console.log(`${this.name}最喜歡玩飛盤了，當前健康值${this.healthy}`);
};
// var dog1 = new Dog("旺財","男生","大明")
// 定義子類：貓
function Cat() {
Pet.apply(this, arguments);
this.type = "貓咪";
}
Cat.prototype = new Pet();
Cat.prototype.constructor = Cat;
Cat.prototype.play = function () {
this.healthy += 10;
console.log(`${this.name}最喜歡玩毛線球了，當前健康值${this.healthy}`);
};
// 定義子類：魚
function Fish() {
Pet.apply(this, arguments);
this.type = "魚";
}
Fish.prototype = new Pet();
Fish.prototype.constructor = Fish;
Fish.prototype.play = function () {
this.healthy += 10;
console.log(`${this.name}最喜歡吐泡泡了，當前健康值${this.healthy}`);
};
var petGame = {
loginedName: "",
// 本地模擬的一個數據庫，用戶列表
userList: [
{ nickname: "aaa", password: "123123" },
{ nickname: "張三", password: "abc8888" }
],
// 寵物列表
petList: [],
welcome: function () { // 歡迎界面
var result = prompt("歡迎來到寵物遊戲，請選擇：1，登錄 2，註冊 3，退出遊戲");
switch (result) {
case '1':
this.login();
break;
case '2':
this.register();
break;
case '3':
console.log("歡迎下次再來")
break;
default:
console.log("輸入有誤，請重新輸入！");
// this.welcome();
arguments.callee.call(this);
break;
}
},
register: function () {
// 驗證註冊暱稱
do {
var isError = true;
var registerName = prompt("註冊--請輸入暱稱：");
// 判斷暱稱是否存在
var result = this.userList.some(function (item) {
return item.nickname === registerName;
});
if (registerName === null) {
this.welcome();
return;
} else if (registerName.trim() === "") {
console.log("暱稱不能爲空");
} else {
if (result) {
console.log("暱稱已存在");
} else {
console.log("暱稱OK");
isError = false;
}
}
} while (isError);
// 驗證註冊密碼
do {
var isPwdError = true;
var registerPwd = prompt("註冊--請輸入密碼：");
if (registerPwd === null || registerPwd.trim() === "" || registerPwd.trim().length < 6 || registerPwd.trim().length > 12) {
console.log("密碼輸入有誤，請輸入長度爲6-12之間的密碼");
} else {
console.log("註冊密碼OK");
isPwdError = false;
}
} while (isPwdError);
// 確認密碼
do {
var isError3 = true;
var confirmPwd = prompt("註冊--請確認密碼：");
if (confirmPwd === registerPwd) {
console.log("註冊密碼OK");
isError3 = false;
} else {
console.log("兩次密碼不一致！");
}
} while (isError3);
this.userList.push({ nickname: registerName, password: registerPwd });
console.log("恭喜，註冊成功！");
this.welcome();
},
login() {
// 驗證登錄暱稱
do {
var isError = true;
var loginName = prompt("登錄--請輸入暱稱：");
if (loginName === "") {
console.log("暱稱不能爲空");
} else if (loginName === null) {
this.welcome();
return;
} else {
var result = this.userList.some(function (user) {
return user.nickname === loginName;
});
if (result) {
console.log("登錄暱稱OK");
isError = false;
} else {
console.log("暱稱不存在！");
}
}
} while (isError);
// 驗證登錄密碼
do {
var isError2 = true;
var loginPwd = prompt("登錄--請輸入密碼：");
if (loginPwd === null || loginPwd.trim() === "" || loginPwd.trim().length < 6 || loginPwd.trim().length > 12) {
console.log("登錄密碼輸入有誤，請輸入長度爲6-12之間的密碼");
} else {
isError2 = false;
}
} while (isError2);
// 驗證登錄暱稱和密碼是否都匹配
var isAlive = this.userList.some(function (item) {
return item.nickname === loginName && item.password === loginPwd;
});
if (isAlive) {
console.log(`歡迎您，${loginName},登錄成功`);
this.loginedName = loginName;
this.petMain(); // 寵物遊戲界面
} else {
console.log("暱稱或密碼錯誤！請重新登錄！");
arguments.callee.call(this);
}
},
petMain() {
var result = prompt("歡迎來到寵物遊戲，請操作：1、購買寵物 2、查看我的寵物 3、註銷");
switch (result) {
case '1':
this.buyPet();
break;
case '2':
this.showPet();
break;
case null:
case '3':
this.welcome();
break;
default:
console.log("輸入有誤");
arguments.callee.call(this);
break;
}
},
buyPet() {
// var that = this;
var result = this.petList.find(item => item.owner === this.loginedName);
if (result) {
console.log("你已經有寵物了，請好好對待" + (result.gender === '1' ? "他" : "她"))
this.petMain();
return;
}
// 選擇寵物類型
do {
var isTypeError = true;
var petType = prompt("請選擇寵物類型：1:狗狗 2:貓咪 3:魚");
if (['1', '2', '3'].includes(petType)) {
console.log("寵物類型OK");
isTypeError = false;
} else {
console.log("寵物類型輸入有誤");
}
} while (isTypeError);
// 輸入寵物暱稱
do {
var isNameError = true;
var petName = prompt("請輸入寵物暱稱：");
if (petName === null || petName.trim() === "") {
console.log("暱稱有誤，請重新輸入！");
} else {
console.log("寵物暱稱OK");
isNameError = false;
}
} while (isNameError);
// 選擇寵物性別
do {
var isGenderError = true;
var petGender = prompt("請輸入寵物的性別：1.GG 2.MM");
if (['1', '2'].includes(petGender)) {
console.log("寵物性別OK");
isGenderError = false;
} else {
console.log("寵物性別輸入有誤");
}
} while (isGenderError);
// 根據用戶所選寵物類型，創建寵物對象
var mypet = null;
switch (petType) {
case "1":
mypet = new Dog(petName, petGender, this.loginedName);
break;
case "2":
mypet = new Cat(petName, petGender, this.loginedName);
break;
case "3":
mypet = new Fish(petName, petGender, this.loginedName);
break;
}
console.log("領養成功！");
this.petList.push(mypet);
this.petMain();
},
// 查看寵物
showPet() {
var result = this.petList.find(item => item.owner === this.loginedName);
if (!result) {
console.log("你還沒有領養寵物，快去領養一隻吧！")
this.petMain();
return;
}
// console.log(result);
result.introduceSelf(); // 介紹自己
var doSomething = prompt("請操作：1，餵食 2，玩耍 3，回到主菜單");
switch (doSomething) {
case "1":
result.eat();
break;
case "2":
result.play();
break;
case "3":
this.petMain();
return false;
break;
default:
console.log("輸入有誤");
break;
}
arguments.callee.call(this);
}
}
</script></body>
</html>