https://blog.youkuaiyun.com/u010474185zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/u010474185/article/details/121612638https://blog.youkuaiyun.com/u010474185/article/details/121612638u010474185Mon, 29 Nov 2021 17:56:29 +0800https://blog.youkuaiyun.com/u010474185/article/details/121515996https://blog.youkuaiyun.com/u010474185/article/details/121515996u010474185Wed, 24 Nov 2021 15:31:28 +0800https://blog.youkuaiyun.com/u010474185/article/details/120708963https://blog.youkuaiyun.com/u010474185/article/details/120708963u010474185Mon, 11 Oct 2021 19:12:02 +0800https://blog.youkuaiyun.com/u010474185/article/details/120430546https://blog.youkuaiyun.com/u010474185/article/details/120430546u010474185Thu, 23 Sep 2021 10:52:03 +0800https://blog.youkuaiyun.com/u010474185/article/details/53169999https://blog.youkuaiyun.com/u010474185/article/details/53169999u010474185Tue, 15 Nov 2016 12:17:24 +0800https://blog.youkuaiyun.com/u010474185/article/details/53169966https://blog.youkuaiyun.com/u010474185/article/details/53169966u010474185Tue, 15 Nov 2016 12:10:42 +0800https://blog.youkuaiyun.com/u010474185/article/details/53169934https://blog.youkuaiyun.com/u010474185/article/details/53169934u010474185Tue, 15 Nov 2016 12:03:42 +0800https://blog.youkuaiyun.com/u010474185/article/details/53169885https://blog.youkuaiyun.com/u010474185/article/details/53169885u010474185Tue, 15 Nov 2016 11:56:00 +0800swift 中叫做类型 // 对象和结构体对象--> 实例结构体,是值类型(不改变原来对象的值),类是引用类型(改变原对象的值),可以对比下前后值的变化let pers]]>https://blog.youkuaiyun.com/u010474185/article/details/53169804https://blog.youkuaiyun.com/u010474185/article/details/53169804u010474185Tue, 15 Nov 2016 11:49:06 +0800https://blog.youkuaiyun.com/u010474185/article/details/53169758https://blog.youkuaiyun.com/u010474185/article/details/53169758u010474185Tue, 15 Nov 2016 11:43:59 +0800 Bool in return s1 > s2 } print(names)方式二//返回的是一个 bool 类型的值,大于才会返回,如果不成立,就不返回,]]>https://blog.youkuaiyun.com/u010474185/article/details/53161816https://blog.youkuaiyun.com/u010474185/article/details/53161816u010474185Mon, 14 Nov 2016 18:00:54 +0800(返回值类型) // str 即是外部参数,也是内部参数]]>https://blog.youkuaiyun.com/u010474185/article/details/53161643https://blog.youkuaiyun.com/u010474185/article/details/53161643u010474185Mon, 14 Nov 2016 17:45:27 +0800 5 && i < 8{ print(i) print("正常逻辑,如果满足条件,执行这里的代码") } }guard语句://break 结束大循环 for i in 1...10{ guard i > 5 &&]]>https://blog.youkuaiyun.com/u010474185/article/details/53161565https://blog.youkuaiyun.com/u010474185/article/details/53161565u010474185Mon, 14 Nov 2016 17:39:44 +0800https://blog.youkuaiyun.com/u010474185/article/details/53161389https://blog.youkuaiyun.com/u010474185/article/details/53161389u010474185Mon, 14 Nov 2016 17:29:47 +0800 90 { print("youxiu") }else if score > 80 { print("lianghao") }else if score > 60{ print("jige")]]>https://blog.youkuaiyun.com/u010474185/article/details/53161354https://blog.youkuaiyun.com/u010474185/article/details/53161354u010474185Mon, 14 Nov 2016 17:27:06 +0800https://blog.youkuaiyun.com/u010474185/article/details/53161247https://blog.youkuaiyun.com/u010474185/article/details/53161247u010474185Mon, 14 Nov 2016 17:20:55 +0800https://blog.youkuaiyun.com/u010474185/article/details/53161091https://blog.youkuaiyun.com/u010474185/article/details/53161091u010474185Mon, 14 Nov 2016 17:10:39 +0800https://blog.youkuaiyun.com/u010474185/article/details/53161016https://blog.youkuaiyun.com/u010474185/article/details/53161016u010474185Mon, 14 Nov 2016 17:05:42 +0800https://blog.youkuaiyun.com/u010474185/article/details/53160834https://blog.youkuaiyun.com/u010474185/article/details/53160834u010474185Mon, 14 Nov 2016 16:56:28 +0800 90 { level = "优秀" }else{ level = "良好" }以前是上面那么判断]]>https://blog.youkuaiyun.com/u010474185/article/details/53160687https://blog.youkuaiyun.com/u010474185/article/details/53160687u010474185Mon, 14 Nov 2016 16:48:29 +0800 < >= <= … 建议在 playground 的中边敲边看效果,因为是实时输出的,所以效果比较明显,逻辑上没什么难度,只是简单的比较而已//比较元组:从左到右依次比较,比较出结果就结束var zhangsan = (age:18,name:"zhangan") var lisi = (age:20,name:"lisi")zhangsan > lisi"abc">"bbc]]>