莽夫

建造者模式

建造者模式: 讲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.

创建一个人类

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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
    },
}

创建一个姓名类

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// 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和名
    ;(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)
}

创建一个职位类

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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':
                that.work = '设计师'
                that.workDescript = '设计是一种艺术'
                break
            default:
                that.work = work
                that.workDescript = '暂无描述'
                break
        }
    })(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
}

创建一个对象类

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function Person(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)
    // 将创建的应聘者对象返回
    return _person
}

输出测试

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var person = new Person('chen lu', 'code')
console.log(person.skill) // 保密
console.log(person.name.FirstName) // chen
console.log(person.work.work) // 程序员
console.log(person.work.workDescript) // 每天沉醉于编程
person.work.changeDescript('吃饭睡觉打豆豆')
console.log(person.work.workDescript) //