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本帖最后由 lghyt 于 2013-12-10 16:10:18 编辑

学了一段时间类,也看了一些别人写的类,自己也在被窝里想了一下类,可动真格的还是有点对它摸不透,当然很多书上都讲类,这个不用大家再复制了。
类这玩意主要是里面的构造函数,属性,以及那些方法之间的逻辑,即为什么要写它,写它的犯罪动机是啥,
这方面很多书里没有,大家可以复制。

类到底怎么写呢?

我的意思是这样的,就比电影里演的一伙人去抢淫行,事先肯定要采点,然后画图分析地形,接着分工,李三做啥,李四做哪个,王二麻子放风,然后谁来开车接应,诸如此类,那么,类相对应的是啥呢

回复讨论(解决方案)

这个比喻好那什么。。。。你对抢银行还蛮了解的

通过这个比喻我说想让大家说说写程序的动机,呵呵,可能有点不恰当,比喻嘛。

写程序的动机 就是让计算机按照自己的想法干活,自己可以去玩...

首先得先明白,类存在的意义有哪些,它起到了哪些作用,给程序带来哪些便利。
至于怎么写类,你可以从最简易的开始,把一些有关联的方法、变量封装到一个class里面,可以加以利用成为一个解决问题的功能。最重要的还是要有面向对象的思想,才可以更好的利用类!

和你举个例子吧。就拿电脑和你举例,电脑是由哪些部件组成的和之前的关系。电脑好比一个类,电脑由:显示器、键盘、鼠标、主机箱、主板、CPU、显卡、网卡、声卡等,这些部件就是电脑的属性和方法

如果要去抢很多家银行,人员分工是相同的,但时间、地点是不同的
你的类就是干这事,每个人是类的方法,时间地点就是参数,并转换为属性,构造函数就是根据不同的参数得出不同的结果??金额
and 警察就是解构函数……destory!

如果要去抢很多家银行,人员分工是相同的,但时间、地点是不同的
你的类就是干这事,每个人是类的方法,时间地点就是参数,并转换为属性,构造函数就是根据不同的参数得出不同的结果??金额
and 警察就是解构函数……destory!
嗯,不错,你肯定能获得分了。

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