本篇文章介绍设计模式中创建型构造者模式。
// 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';
};
// 类人原型方法
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,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.FirstName = name.slice(name.indexOf(' '));
}
})(name, that);
};
// 实例化职位类
var Work = function(work) {
var that = this;
// 构造器,通过传入的职位特征来设置相应职位及描述
(function(work, that) {
switch(work) {
case 'code':
that.work = '工程师';
break;
case 'UI':
case 'UE':
that.work = '设计师';
break;
case 'teach':
that.work = '教师';
break;
default:
that.work = work;
}
})(work, that);
};
// 更换期望的职位
Work.prototype.changeWork = function(work) {
this.work = work;
};
// 应聘者创建类
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);
// 返回创建的应聘者对象
return _person;
}
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