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苹果开发中文网站SDUserDefaults:存储用户信息太痛苦?用这个就够了~
source link: http://www.cocoachina.com/ios/20190422/26855.html
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先讲一下为什么要去封装这个单例类.一开始我是怎么进行数据的存储的?写一个单例然后添加属性,修改属性的Set方法,为了防止手写失误,还要定义宏常量.在删除的时候,不但要把属性置为nil,还要把NSUserDefaults的值置空,相当繁琐复杂,每增加一个属性就要增加最少十行代码.非常不利于管理.
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