原型模式（python）
原型模式：用原型实例指定创建对象的种类，并且通过拷贝这些原型创建新的对象。原型模式本质就是克隆对象，所以在对象初始化操作比较复杂的情况下，很实用，能大大降低耗时，提高性能，因为“不用重新初始化对象，而是动态地获得对象运行时的状态”。
浅拷贝（Shallow Copy）:指对象的字段被拷贝，而字段引用的对象不会被拷贝，拷贝的对象和源对象只是名称相同，但是他们共用一个实体。
深拷贝（deep copy）:对对象实例中字段引用的对象也进行拷贝。
view plaincopy
[*]#encoding=utf-8
[*]#
[*]#by panda
[*]#原型模式
[*]
[*]import copy
[*]
[*]def printInfo(info):
[*] print unicode(info, 'utf-8').encode('gbk')
[*]
[*]#拷贝接口
[*]class ICloneable:
[*] def shallowClone(self):
[*] return copy.copy(self)
[*]
[*] def deepClone(self):
[*] return copy.deepcopy(self)
[*]
[*]#工作经历
[*]class WorkExperience(ICloneable):
[*] workData = ""
[*] company = ""
[*] pass
[*]
[*]#简历
[*]class Resume(ICloneable):
[*] name = ""
[*] sex = '未知'
[*] age = 0
[*] work = None
[*]
[*] def __init__(self, name, work = WorkExperience()):
[*] self.name = name
[*] self.work = work;
[*]
[*] def setPersonInfo(self, sex, age):
[*] self.sex = sex
[*] self.age = age
[*]
[*] def setWorkExperience(self, workData, company):
[*] self.work.workData = workData
[*] self.work.company = company
[*]
[*] def display(self):
[*] printInfo('%s, %s, %d' % (self.name,self.sex,self.age))
[*] printInfo('%s, %s' % (self.work.workData, self.work.company))
[*]
[*]def clientUI():
[*] a = Resume('大鸟')
[*] a.setPersonInfo('男',29)
[*] a.setWorkExperience("1998-2000","XX公司")
[*]
[*] #浅拷贝
[*] b = a.shallowClone()
[*] b.setWorkExperience("2000-2006","YY公司")
[*]
[*] #深拷贝
[*] c = a.deepClone()
[*] c.setWorkExperience("2006-2009","ZZ公司")
[*]
[*] b.display()
[*] a.display()
[*] c.display()
[*] return
[*]
[*]if __name__ == '__main__':
[*] clientUI();
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