<!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">启动宠物游戏</button>
<script>
var mybtn = document.querySelector("#btn");
mybtn.onclick = function () {
petGame.welcome();
};
// 猫，狗，鱼 ，三种宠物的属性：都有 名字，性别，主人，状态，类型
// 三种宠物的共有的方法：介绍，喂食
// 父类：定义三种宠物的共性
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，我是一只叫${this.name}的 ${this.type},
我是个${this.gender === "1" ? "男生" : '女生'},
我的主人是${this.owner}，
我的状态是${this.healthy}
`);
};
Pet.prototype.eat = function () {
var now = new Date();
if (now - this.lastEatTime < 1000 * 10) {
console.log("我吃的太频繁啦，目前不需要吃东西哦！");
} else {
this.healthy += 20;
console.log(`嘻嘻，${this.name}吃饭了,当前状态${this.healthy}，今天也要冲呀`);
this.lastEatTime = new Date();
}
}
// 定义子类：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(`${this.name}最喜欢玩飞盘了，当前健康值${this.healthy}`);
};
// var dog1 = new Dog("旺财","男生","大明")
// 定义子类：猫
function Cat() {
Pet.apply(this, arguments);
this.type = "猫咪";
}
Cat.prototype = new Pet();
Cat.prototype.constructor = Cat;
Cat.prototype.play = function () {
this.healthy += 10;
console.log(`${this.name}最喜欢玩毛线球了，当前健康值${this.healthy}`);
};
// 定义子类：鱼
function Fish() {
Pet.apply(this, arguments);
this.type = "鱼";
}
Fish.prototype = new Pet();
Fish.prototype.constructor = Fish;
Fish.prototype.play = function () {
this.healthy += 10;
console.log(`${this.name}最喜欢吐泡泡了，当前健康值${this.healthy}`);
};
var petGame = {
loginedName: "",
// 本地模拟的一个数据库，用户列表
userList: [
{ nickname: "aaa", password: "123123" },
{ nickname: "张三", password: "abc8888" }
],
// 宠物列表
petList: [],
welcome: function () { // 欢迎界面
var result = prompt("欢迎来到宠物游戏，请选择：1，登录 2，注册 3，退出游戏");
switch (result) {
case '1':
this.login();
break;
case '2':
this.register();
break;
case '3':
console.log("欢迎下次再来")
break;
default:
console.log("输入有误，请重新输入！");
// this.welcome();
arguments.callee.call(this);
break;
}
},
register: function () {
// 验证注册昵称
do {
var isError = true;
var registerName = prompt("注册--请输入昵称：");
// 判断昵称是否存在
var result = this.userList.some(function (item) {
return item.nickname === registerName;
});
if (registerName === null) {
this.welcome();
return;
} else if (registerName.trim() === "") {
console.log("昵称不能为空");
} else {
if (result) {
console.log("昵称已存在");
} else {
console.log("昵称OK");
isError = false;
}
}
} while (isError);
// 验证注册密码
do {
var isPwdError = true;
var registerPwd = prompt("注册--请输入密码：");
if (registerPwd === null || registerPwd.trim() === "" || registerPwd.trim().length < 6 || registerPwd.trim().length > 12) {
console.log("密码输入有误，请输入长度为6-12之间的密码");
} else {
console.log("注册密码OK");
isPwdError = false;
}
} while (isPwdError);
// 确认密码
do {
var isError3 = true;
var confirmPwd = prompt("注册--请确认密码：");
if (confirmPwd === registerPwd) {
console.log("注册密码OK");
isError3 = false;
} else {
console.log("两次密码不一致！");
}
} while (isError3);
this.userList.push({ nickname: registerName, password: registerPwd });
console.log("恭喜，注册成功！");
this.welcome();
},
login() {
// 验证登录昵称
do {
var isError = true;
var loginName = prompt("登录--请输入昵称：");
if (loginName === "") {
console.log("昵称不能为空");
} else if (loginName === null) {
this.welcome();
return;
} else {
var result = this.userList.some(function (user) {
return user.nickname === loginName;
});
if (result) {
console.log("登录昵称OK");
isError = false;
} else {
console.log("昵称不存在！");
}
}
} while (isError);
// 验证登录密码
do {
var isError2 = true;
var loginPwd = prompt("登录--请输入密码：");
if (loginPwd === null || loginPwd.trim() === "" || loginPwd.trim().length < 6 || loginPwd.trim().length > 12) {
console.log("登录密码输入有误，请输入长度为6-12之间的密码");
} else {
isError2 = false;
}
} while (isError2);
// 验证登录昵称和密码是否都匹配
var isAlive = this.userList.some(function (item) {
return item.nickname === loginName && item.password === loginPwd;
});
if (isAlive) {
console.log(`欢迎您，${loginName},登录成功`);
this.loginedName = loginName;
this.petMain(); // 宠物游戏界面
} else {
console.log("昵称或密码错误！请重新登录！");
arguments.callee.call(this);
}
},
petMain() {
var result = prompt("欢迎来到宠物游戏，请操作：1、购买宠物 2、查看我的宠物 3、注销");
switch (result) {
case '1':
this.buyPet();
break;
case '2':
this.showPet();
break;
case null:
case '3':
this.welcome();
break;
default:
console.log("输入有误");
arguments.callee.call(this);
break;
}
},
buyPet() {
// var that = this;
var result = this.petList.find(item => item.owner === this.loginedName);
if (result) {
console.log("你已经有宠物了，请好好对待" + (result.gender === '1' ? "他" : "她"))
this.petMain();
return;
}
// 选择宠物类型
do {
var isTypeError = true;
var petType = prompt("请选择宠物类型：1:狗狗 2:猫咪 3:鱼");
if (['1', '2', '3'].includes(petType)) {
console.log("宠物类型OK");
isTypeError = false;
} else {
console.log("宠物类型输入有误");
}
} while (isTypeError);
// 输入宠物昵称
do {
var isNameError = true;
var petName = prompt("请输入宠物昵称：");
if (petName === null || petName.trim() === "") {
console.log("昵称有误，请重新输入！");
} else {
console.log("宠物昵称OK");
isNameError = false;
}
} while (isNameError);
// 选择宠物性别
do {
var isGenderError = true;
var petGender = prompt("请输入宠物的性别：1.GG 2.MM");
if (['1', '2'].includes(petGender)) {
console.log("宠物性别OK");
isGenderError = false;
} else {
console.log("宠物性别输入有误");
}
} while (isGenderError);
// 根据用户所选宠物类型，创建宠物对象
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("领养成功！");
this.petList.push(mypet);
this.petMain();
},
// 查看宠物
showPet() {
var result = this.petList.find(item => item.owner === this.loginedName);
if (!result) {
console.log("你还没有领养宠物，快去领养一只吧！")
this.petMain();
return;
}
// console.log(result);
result.introduceSelf(); // 介绍自己
var doSomething = prompt("请操作：1，喂食 2，玩耍 3，回到主菜单");
switch (doSomething) {
case "1":
result.eat();
break;
case "2":
result.play();
break;
case "3":
this.petMain();
return false;
break;
default:
console.log("输入有误");
break;
}
arguments.callee.call(this);
}
}
</script></body>
</html>