![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAA90lEQVQoU41RsXHDMAx8sKBaZQOPog3sEawKVKcR7A3UkaykDaJMkIzgDeINkloFkYNO0tGKcxdWBPAP/j8JuxNC6AAciagEMFhrr3Vdf68wyvExxkFEShFptU9ESr475+Z67u0IYq19WTf2fV9O0/TFzBtuu3jvD8aYz3yoy2KM8pSwDD8AjMysUhR8AVAxc/WXpBOAVxG5Lx4OKaW6aZrhF0EN6zYAXUrppgBjjNZnEXl3ztWbae/9mYjaoiiqPEIFLMZvKaWLvjSbjjGq9o6Zx/2/LHOV2qqXlfCQxJ6Ux/svQh7vTAghjER0fCZn7YnIm3Pu9AOP9nwNp+NeJQAAAABJRU5ErkJggg==)
孤狼 |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAANCAYAAABy6+R8AAABM0lEQVQoU41RwXHCQAyUjsHDkw6ggzgdOB2QDuBj2a+4g5AOkted+AAdUILTgVNBXAJPjxmkjDyQgYRA9NLtabUrCeEkmHkrInGe5/URvoThYrGIVfUZACanDS7kFQC8ENEGQwgbRFzZg5kVEe/TNLWCLo7Yfr/fOufKKIpiNJCI0Aq89+NTa4aZk2MTZi5FZN6RVLW8Ya37RsRYRB47kog8/JP0qqrFt73lcjnc7XZ3/X7/o2maYa/XG6Vp+m72bB6zfWbPZmJm216BiIWqWp4QUWKFAFAS0fwXyZTatn2KouitaZrYOTciorX3fgoAdZ7n5Z9KIjJ1zk1VNc6ybHI4SXWmFEKozM7PVV9aDDPXIpKg9z5xzq1U9fPGBseIuDbF7qiHwybXSIPBoJrNZlur+QKBmNUDeGA2LgAAAABJRU5ErkJggg==)
2016-05-03 |
Swift |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAABIklEQVQoU3WRzXHCQAyF9XTwGTpIKohLMBWEdGAuyHuCEuggcLLXJzqIUwF0EEqgg3D2QcrI42VgILpoVqtPP0+gfyzGuCGiFYDZcrk8pTQ8y2+aZkgA8KaqryGE8wMQY5wTUT5+lFmW5X3f/4rIXdHhUdf1CzP/ENGEiE6qugsh7GOM5h2YeaOqR48NQIxx797MLgBWqjoLIRx9NDPbMnNJRFsR6RJwVtXSk+q6LtyPhdZmVhDRGcBERMoEWJZl08VicbkVwUcF4FDHzF8iMr0CaYxnqnlXZj64AAPQNE0H4CQirv2D+U3MLK+qap5U8goOFbdHcrJt29zMDqr64btdNR4vuyaiTwDD0uPCHtul7ndH8Vl9SQDvI/DtsibVPPYH+E6eDYX/dnMAAAAASUVORK5CYII=)
3124°C
欢迎回到和屌丝一起学SWIFT系列教程,这节开始我们将开始进入IOS课程,那么学习IOS课程我们就需要用到MAC了,因为我们必须在Xcode环境下来开发IOS程序.那么万事开头难,我们今天就开始进入Xcode来一起玩耍吧.
和屌丝一起学SWIFT
SWIFT
IOS
IOS项目创建
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAA90lEQVQoU41RsXHDMAx8sKBaZQOPog3sEawKVKcR7A3UkaykDaJMkIzgDeINkloFkYNO0tGKcxdWBPAP/j8JuxNC6AAciagEMFhrr3Vdf68wyvExxkFEShFptU9ESr475+Z67u0IYq19WTf2fV9O0/TFzBtuu3jvD8aYz3yoy2KM8pSwDD8AjMysUhR8AVAxc/WXpBOAVxG5Lx4OKaW6aZrhF0EN6zYAXUrppgBjjNZnEXl3ztWbae/9mYjaoiiqPEIFLMZvKaWLvjSbjjGq9o6Zx/2/LHOV2qqXlfCQxJ6Ux/svQh7vTAghjER0fCZn7YnIm3Pu9AOP9nwNp+NeJQAAAABJRU5ErkJggg==)
孤狼 |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAANCAYAAABy6+R8AAABM0lEQVQoU41RwXHCQAyUjsHDkw6ggzgdOB2QDuBj2a+4g5AOkted+AAdUILTgVNBXAJPjxmkjDyQgYRA9NLtabUrCeEkmHkrInGe5/URvoThYrGIVfUZACanDS7kFQC8ENEGQwgbRFzZg5kVEe/TNLWCLo7Yfr/fOufKKIpiNJCI0Aq89+NTa4aZk2MTZi5FZN6RVLW8Ya37RsRYRB47kog8/JP0qqrFt73lcjnc7XZ3/X7/o2maYa/XG6Vp+m72bB6zfWbPZmJm216BiIWqWp4QUWKFAFAS0fwXyZTatn2KouitaZrYOTciorX3fgoAdZ7n5Z9KIjJ1zk1VNc6ybHI4SXWmFEKozM7PVV9aDDPXIpKg9z5xzq1U9fPGBseIuDbF7qiHwybXSIPBoJrNZlur+QKBmNUDeGA2LgAAAABJRU5ErkJggg==)
2016-04-29 |
Swift |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAABIklEQVQoU3WRzXHCQAyF9XTwGTpIKohLMBWEdGAuyHuCEuggcLLXJzqIUwF0EEqgg3D2QcrI42VgILpoVqtPP0+gfyzGuCGiFYDZcrk8pTQ8y2+aZkgA8KaqryGE8wMQY5wTUT5+lFmW5X3f/4rIXdHhUdf1CzP/ENGEiE6qugsh7GOM5h2YeaOqR48NQIxx797MLgBWqjoLIRx9NDPbMnNJRFsR6RJwVtXSk+q6LtyPhdZmVhDRGcBERMoEWJZl08VicbkVwUcF4FDHzF8iMr0CaYxnqnlXZj64AAPQNE0H4CQirv2D+U3MLK+qap5U8goOFbdHcrJt29zMDqr64btdNR4vuyaiTwDD0uPCHtul7ndH8Vl9SQDvI/DtsibVPPYH+E6eDYX/dnMAAAAASUVORK5CYII=)
3128°C
欢迎回到和屌丝一起学SWIFT系列教程,上节我们说了错误处理.不知道大家学会没有,这节我们来学习一下这么久以来积累的小功能.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAA90lEQVQoU41RsXHDMAx8sKBaZQOPog3sEawKVKcR7A3UkaykDaJMkIzgDeINkloFkYNO0tGKcxdWBPAP/j8JuxNC6AAciagEMFhrr3Vdf68wyvExxkFEShFptU9ESr475+Z67u0IYq19WTf2fV9O0/TFzBtuu3jvD8aYz3yoy2KM8pSwDD8AjMysUhR8AVAxc/WXpBOAVxG5Lx4OKaW6aZrhF0EN6zYAXUrppgBjjNZnEXl3ztWbae/9mYjaoiiqPEIFLMZvKaWLvjSbjjGq9o6Zx/2/LHOV2qqXlfCQxJ6Ux/svQh7vTAghjER0fCZn7YnIm3Pu9AOP9nwNp+NeJQAAAABJRU5ErkJggg==)
孤狼 |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAANCAYAAABy6+R8AAABM0lEQVQoU41RwXHCQAyUjsHDkw6ggzgdOB2QDuBj2a+4g5AOkted+AAdUILTgVNBXAJPjxmkjDyQgYRA9NLtabUrCeEkmHkrInGe5/URvoThYrGIVfUZACanDS7kFQC8ENEGQwgbRFzZg5kVEe/TNLWCLo7Yfr/fOufKKIpiNJCI0Aq89+NTa4aZk2MTZi5FZN6RVLW8Ya37RsRYRB47kog8/JP0qqrFt73lcjnc7XZ3/X7/o2maYa/XG6Vp+m72bB6zfWbPZmJm216BiIWqWp4QUWKFAFAS0fwXyZTatn2KouitaZrYOTciorX3fgoAdZ7n5Z9KIjJ1zk1VNc6ybHI4SXWmFEKozM7PVV9aDDPXIpKg9z5xzq1U9fPGBseIuDbF7qiHwybXSIPBoJrNZlur+QKBmNUDeGA2LgAAAABJRU5ErkJggg==)
2016-04-29 |
Swift |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAABIklEQVQoU3WRzXHCQAyF9XTwGTpIKohLMBWEdGAuyHuCEuggcLLXJzqIUwF0EEqgg3D2QcrI42VgILpoVqtPP0+gfyzGuCGiFYDZcrk8pTQ8y2+aZkgA8KaqryGE8wMQY5wTUT5+lFmW5X3f/4rIXdHhUdf1CzP/ENGEiE6qugsh7GOM5h2YeaOqR48NQIxx797MLgBWqjoLIRx9NDPbMnNJRFsR6RJwVtXSk+q6LtyPhdZmVhDRGcBERMoEWJZl08VicbkVwUcF4FDHzF8iMr0CaYxnqnlXZj64AAPQNE0H4CQirv2D+U3MLK+qap5U8goOFbdHcrJt29zMDqr64btdNR4vuyaiTwDD0uPCHtul7ndH8Vl9SQDvI/DtsibVPPYH+E6eDYX/dnMAAAAASUVORK5CYII=)
3158°C
欢迎回到和屌丝一起学SWIFT系列教程,上节我们说了自动引用计数,它保障了内存的使用安全,那么我们的代码安全怎么来保证呢?这节我们就一起来学习保证代码安全的一个相关知识-错误处理.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAA90lEQVQoU41RsXHDMAx8sKBaZQOPog3sEawKVKcR7A3UkaykDaJMkIzgDeINkloFkYNO0tGKcxdWBPAP/j8JuxNC6AAciagEMFhrr3Vdf68wyvExxkFEShFptU9ESr475+Z67u0IYq19WTf2fV9O0/TFzBtuu3jvD8aYz3yoy2KM8pSwDD8AjMysUhR8AVAxc/WXpBOAVxG5Lx4OKaW6aZrhF0EN6zYAXUrppgBjjNZnEXl3ztWbae/9mYjaoiiqPEIFLMZvKaWLvjSbjjGq9o6Zx/2/LHOV2qqXlfCQxJ6Ux/svQh7vTAghjER0fCZn7YnIm3Pu9AOP9nwNp+NeJQAAAABJRU5ErkJggg==)
孤狼 |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAANCAYAAABy6+R8AAABM0lEQVQoU41RwXHCQAyUjsHDkw6ggzgdOB2QDuBj2a+4g5AOkted+AAdUILTgVNBXAJPjxmkjDyQgYRA9NLtabUrCeEkmHkrInGe5/URvoThYrGIVfUZACanDS7kFQC8ENEGQwgbRFzZg5kVEe/TNLWCLo7Yfr/fOufKKIpiNJCI0Aq89+NTa4aZk2MTZi5FZN6RVLW8Ya37RsRYRB47kog8/JP0qqrFt73lcjnc7XZ3/X7/o2maYa/XG6Vp+m72bB6zfWbPZmJm216BiIWqWp4QUWKFAFAS0fwXyZTatn2KouitaZrYOTciorX3fgoAdZ7n5Z9KIjJ1zk1VNc6ybHI4SXWmFEKozM7PVV9aDDPXIpKg9z5xzq1U9fPGBseIuDbF7qiHwybXSIPBoJrNZlur+QKBmNUDeGA2LgAAAABJRU5ErkJggg==)
2016-04-28 |
Swift |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAABIklEQVQoU3WRzXHCQAyF9XTwGTpIKohLMBWEdGAuyHuCEuggcLLXJzqIUwF0EEqgg3D2QcrI42VgILpoVqtPP0+gfyzGuCGiFYDZcrk8pTQ8y2+aZkgA8KaqryGE8wMQY5wTUT5+lFmW5X3f/4rIXdHhUdf1CzP/ENGEiE6qugsh7GOM5h2YeaOqR48NQIxx797MLgBWqjoLIRx9NDPbMnNJRFsR6RJwVtXSk+q6LtyPhdZmVhDRGcBERMoEWJZl08VicbkVwUcF4FDHzF8iMr0CaYxnqnlXZj64AAPQNE0H4CQirv2D+U3MLK+qap5U8goOFbdHcrJt29zMDqr64btdNR4vuyaiTwDD0uPCHtul7ndH8Vl9SQDvI/DtsibVPPYH+E6eDYX/dnMAAAAASUVORK5CYII=)
3197°C
欢迎回到和屌丝一起学SWIFT系列教程,上节我们说了析构过程,大家有没有和构造过程连起来做实验呢.这节我们来一起学习一个在开发中很重要的知识,自动引用计数(ARC),可别小看这个知识点,他可是保证你程序不崩溃的前提.
和屌丝一起学SWIFT
SWIFT
自动引用计数
ARC
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAA90lEQVQoU41RsXHDMAx8sKBaZQOPog3sEawKVKcR7A3UkaykDaJMkIzgDeINkloFkYNO0tGKcxdWBPAP/j8JuxNC6AAciagEMFhrr3Vdf68wyvExxkFEShFptU9ESr475+Z67u0IYq19WTf2fV9O0/TFzBtuu3jvD8aYz3yoy2KM8pSwDD8AjMysUhR8AVAxc/WXpBOAVxG5Lx4OKaW6aZrhF0EN6zYAXUrppgBjjNZnEXl3ztWbae/9mYjaoiiqPEIFLMZvKaWLvjSbjjGq9o6Zx/2/LHOV2qqXlfCQxJ6Ux/svQh7vTAghjER0fCZn7YnIm3Pu9AOP9nwNp+NeJQAAAABJRU5ErkJggg==)
孤狼 |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAANCAYAAABy6+R8AAABM0lEQVQoU41RwXHCQAyUjsHDkw6ggzgdOB2QDuBj2a+4g5AOkted+AAdUILTgVNBXAJPjxmkjDyQgYRA9NLtabUrCeEkmHkrInGe5/URvoThYrGIVfUZACanDS7kFQC8ENEGQwgbRFzZg5kVEe/TNLWCLo7Yfr/fOufKKIpiNJCI0Aq89+NTa4aZk2MTZi5FZN6RVLW8Ya37RsRYRB47kog8/JP0qqrFt73lcjnc7XZ3/X7/o2maYa/XG6Vp+m72bB6zfWbPZmJm216BiIWqWp4QUWKFAFAS0fwXyZTatn2KouitaZrYOTciorX3fgoAdZ7n5Z9KIjJ1zk1VNc6ybHI4SXWmFEKozM7PVV9aDDPXIpKg9z5xzq1U9fPGBseIuDbF7qiHwybXSIPBoJrNZlur+QKBmNUDeGA2LgAAAABJRU5ErkJggg==)
2016-04-28 |
Swift |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAABIklEQVQoU3WRzXHCQAyF9XTwGTpIKohLMBWEdGAuyHuCEuggcLLXJzqIUwF0EEqgg3D2QcrI42VgILpoVqtPP0+gfyzGuCGiFYDZcrk8pTQ8y2+aZkgA8KaqryGE8wMQY5wTUT5+lFmW5X3f/4rIXdHhUdf1CzP/ENGEiE6qugsh7GOM5h2YeaOqR48NQIxx797MLgBWqjoLIRx9NDPbMnNJRFsR6RJwVtXSk+q6LtyPhdZmVhDRGcBERMoEWJZl08VicbkVwUcF4FDHzF8iMr0CaYxnqnlXZj64AAPQNE0H4CQirv2D+U3MLK+qap5U8goOFbdHcrJt29zMDqr64btdNR4vuyaiTwDD0uPCHtul7ndH8Vl9SQDvI/DtsibVPPYH+E6eDYX/dnMAAAAASUVORK5CYII=)
3058°C
欢迎回到和屌丝一起学SWIFT系列教程,上节我们说了构造过程,大家学的怎么样啊,构造过程以后可能很常用的哦.这节我们来一起学习一个和构造过程配合的东西-析构过程.简单的来理解,构造过程发生在实例化阶段,析构过程发生在销毁实例阶段,一个伴随着生,一个伴随着亡.好了,开始吧.
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAA90lEQVQoU41RsXHDMAx8sKBaZQOPog3sEawKVKcR7A3UkaykDaJMkIzgDeINkloFkYNO0tGKcxdWBPAP/j8JuxNC6AAciagEMFhrr3Vdf68wyvExxkFEShFptU9ESr475+Z67u0IYq19WTf2fV9O0/TFzBtuu3jvD8aYz3yoy2KM8pSwDD8AjMysUhR8AVAxc/WXpBOAVxG5Lx4OKaW6aZrhF0EN6zYAXUrppgBjjNZnEXl3ztWbae/9mYjaoiiqPEIFLMZvKaWLvjSbjjGq9o6Zx/2/LHOV2qqXlfCQxJ6Ux/svQh7vTAghjER0fCZn7YnIm3Pu9AOP9nwNp+NeJQAAAABJRU5ErkJggg==)
孤狼 |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA0AAAANCAYAAABy6+R8AAABM0lEQVQoU41RwXHCQAyUjsHDkw6ggzgdOB2QDuBj2a+4g5AOkted+AAdUILTgVNBXAJPjxmkjDyQgYRA9NLtabUrCeEkmHkrInGe5/URvoThYrGIVfUZACanDS7kFQC8ENEGQwgbRFzZg5kVEe/TNLWCLo7Yfr/fOufKKIpiNJCI0Aq89+NTa4aZk2MTZi5FZN6RVLW8Ya37RsRYRB47kog8/JP0qqrFt73lcjnc7XZ3/X7/o2maYa/XG6Vp+m72bB6zfWbPZmJm216BiIWqWp4QUWKFAFAS0fwXyZTatn2KouitaZrYOTciorX3fgoAdZ7n5Z9KIjJ1zk1VNc6ybHI4SXWmFEKozM7PVV9aDDPXIpKg9z5xzq1U9fPGBseIuDbF7qiHwybXSIPBoJrNZlur+QKBmNUDeGA2LgAAAABJRU5ErkJggg==)
2016-04-27 |
Swift |
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAABIklEQVQoU3WRzXHCQAyF9XTwGTpIKohLMBWEdGAuyHuCEuggcLLXJzqIUwF0EEqgg3D2QcrI42VgILpoVqtPP0+gfyzGuCGiFYDZcrk8pTQ8y2+aZkgA8KaqryGE8wMQY5wTUT5+lFmW5X3f/4rIXdHhUdf1CzP/ENGEiE6qugsh7GOM5h2YeaOqR48NQIxx797MLgBWqjoLIRx9NDPbMnNJRFsR6RJwVtXSk+q6LtyPhdZmVhDRGcBERMoEWJZl08VicbkVwUcF4FDHzF8iMr0CaYxnqnlXZj64AAPQNE0H4CQirv2D+U3MLK+qap5U8goOFbdHcrJt29zMDqr64btdNR4vuyaiTwDD0uPCHtul7ndH8Vl9SQDvI/DtsibVPPYH+E6eDYX/dnMAAAAASUVORK5CYII=)
3244°C
欢迎回到和屌丝一起学SWIFT系列教程,上节我们说了继承,这节我们来一起学习一个重要的东西-构造过程.构造过程是我们在使用类或结构体或枚举类型的时候必须要了解的一个知识.好了,废话不多说,开始吧.