建造者模式
·
Yin灏
/**
* 建造者模式:将一个复杂对象的构建层与其表示层相互分离,同样的构建过程可采用不同的表示。
*/
// 创建一位人类
var Human = function (param) {
// 技能
this.skill = (param && param.skill) || "保密";
// 兴趣爱好
this.hobby = (param && param.hobby) || "保密";
};
// 人类原型方法
Human.prototype = {
getSkill: function () {
return this.skill;
},
getHobby: function () {
return this.hobby;
},
};
/**
* 实例化姓名类
*/
var Named = function (name) {
var that = this;
// 构造器
// 构造函数解析姓名的姓与名
(function (name, that) {
that.wholeName = name;
if (name.indexOf(" ") > -1) {
that.FirstName = name.slice(0, name.indexOf(" "));
that.secondName = name.slice(name.indexOf(" "));
}
})(name, that);
};
/**
* 实例化职位类
*/
var Work = function (work) {
var that = this;
// 构造器
// 构造函数中通过传入的职位特征来设置相应的职位以及描述
(function (work, that) {
switch (work) {
case "code":
that.work = "工程师";
that.workDescript = "每天沉醉于编程";
break;
case "UI":
case "UE":
that.work = "设计师";
that.workDescript = "设计更似一种艺术";
break;
case "teach":
that.work = "教师";
that.workDescript = "分享也是一种快乐";
break;
default:
that.work = work;
that.workDescript = "对不起,我们还不清楚您所选择职位的相关描述";
}
})(work, that);
};
// 更换期望的职位
Work.prototype.changeWork = function (work) {
this.work = work;
};
// 添加对职位的描述
Work.prototype.changeDescript = function (setence) {
this.workDescript = setence;
};
/**
* 创建一位应聘者
* 参数 name: 姓名(全名)
* 参数 work: 期望职位
*/
var Person = function (name, work) {
// 创建应聘者缓存对象
var _person = new Human();
// 创建应聘者姓名解析对象
_person.name = new Named(name);
// 创建应聘者期望职位
_person.work = new Work(work);
// 创建的应聘者对象返回
return _person;
};
// 测试
var person = new Person("xiao ming", "code");
console.log(person.name.FirstName); // xiao
console.log(peson.work.work); // 工程师
console.log(person.work.workDescript); // 每天沉醉于编程