沙盒文件
1 //******************** 5.2 文件操作
2 func use_FileOperations()
3 {
4 //1、获取程序的Home目录
5 let homeDirectory = NSHomeDirectory()
6 println(homeDirectory)
7
8
9 //2、获取Documents目录
10 let documentPaths = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomainMask.UserDomainMask, true)
11
12 // let documentPath = documentPaths[0] as String
13
14 //2015年5月2号修改
15 let documentPath = documentPaths[0] as! String
16 println(documentPath)
17
18 //或通过home目录自己追加文件夹
19 var documentPath2 = homeDirectory + "/Documents"
20 println(documentPath2)
21
22 //3、获取Library目录
23 let libraryPaths = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.LibraryDirectory, NSSearchPathDomainMask.UserDomainMask, true)
24 // let libraryPath = libraryPaths[0] as String
25
26 //2015年5月2号修改
27 let libraryPath = libraryPaths[0] as! String
28
29 println(libraryPath)
30
31 //或通过home目录自己追加文件夹
32 var libraryPath2 = homeDirectory + "/Library"
33 println(libraryPath2)
34
35
36
37
38 //4、获取Cache目录
39 let cachesPaths = NSSearchPathForDirectoriesInDomains(NSSearchPathDirectory.CachesDirectory, NSSearchPathDomainMask.UserDomainMask, true)
40 // let cachesPath = cachesPaths[0] as String
41
42 //2015年5月2号修改
43 let cachesPath = cachesPaths[0] as! String
44 println(cachesPath)
45
46 //或通过home目录自己追加文件夹
47 var cachesPath2 = homeDirectory + "/Library/Caches"
48 println(cachesPath2)
49
50
51 //5、获取Tmp目录
52 let tmpDir = NSTemporaryDirectory()
53 println(tmpDir)
54
55 //或通过home目录自己追加文件夹
56 var tmpDir2 = homeDirectory + "/tmp"
57 println(tmpDir2)
58
59
60 //对于错误信息
61 var error:NSError?
62
63 // 创建文件管理器
64 var fileManager :NSFileManager = NSFileManager.defaultManager()
65
66
67 //创建目录
68 //定义几个自己的目录
69 let myDirectory1:String = NSHomeDirectory() + "/Documents/myFolder/Images"
70 let myDirectory2:String = NSHomeDirectory() + "/Documents/myFolder/Films"
71 let myDirectory3:String = NSHomeDirectory() + "/Documents/myFolder/Musics"
72 let myDirectory4:String = NSHomeDirectory() + "/Documents/myFolder/Files"
73
74 //创建目录
75 //withIntermediateDirectories 设置成true，代表中间所有的路径目录如果不存在，都会创建
76 //如果设置成false，因为myFolder目录不存在，所以无法创建1234目录
77 var isSuccess:Bool = fileManager.createDirectoryAtPath(myDirectory1, withIntermediateDirectories: true, attributes: nil, error: &error)
78 println(error) //isSuccess=true代表创建成功，如果创建失败，error 会返回错误信息
79
80 fileManager.createDirectoryAtPath(myDirectory2, withIntermediateDirectories: true, attributes: nil, error: &error)
81
82 fileManager.createDirectoryAtPath(myDirectory3, withIntermediateDirectories: true, attributes: nil, error: &error)
83
84 fileManager.createDirectoryAtPath(myDirectory4, withIntermediateDirectories: true, attributes: nil, error: &error)
85
86
87
88 //创建文件
89 var filePath = myDirectory1 + "/appInfo.txt"
90 var info = "经常听到：被中介骗了，押金不退，晚一天交房租，被讹了。租房普遍现象：网上报价不真实？经常被忽悠！（看房时报价都比网上高！）证件不齐全，被骗过!（其实根本不是房东啦!）看房前态度都很热情！ 签约之后态度骤变!入住后家电维修只能靠自己！ 房屋到期，押金各种被勒索！现在开始，你来改变这一切！《租房点评》为你而备，租房无忧！再也不用担心被欺骗，想要知道给你介绍房子的人好不好，《租房点评》告诉你！"
91 info.writeToFile(filePath, atomically: true, encoding: NSUTF8StringEncoding, error: &error)
92
93 //保存图片
94 var image = UIImage(named: "[email protected]")
95 var data:NSData = UIImageJPEGRepresentation(image, 1.0)
96 var data1:NSData = UIImagePNGRepresentation(image)
97 data.writeToFile(myDirectory1 + "/SwiftClassIcon.jpg", atomically: true)
98 data1.writeToFile(myDirectory1 + "/SwiftClassIcon.png", atomically: true)
99
100 //保存NSArray
101 var array = NSArray(objects: "111","222","333")
102 array.writeToFile(myDirectory4 + "/array.plist", atomically: true)
103
104 //保存NSDic
105 var dictionary = NSDictionary(objects: ["1111","22222","33333"], forKeys: ["1","2","3"])
106 dictionary.writeToFile(myDirectory4 + "/dictionary.plist", atomically: true)
107
108
109 //判断目录或文件是否存在
110 var exist = fileManager.fileExistsAtPath(filePath)
111 println(exist)
112
113 //移动
114 var filePath2 = myDirectory4 + "/appInfo.txt"
115 fileManager.moveItemAtPath(filePath, toPath: filePath2, error: &error)
116
117 //重命名
118 //通过移动该文件对文件重命名
119 var filePath3 = myDirectory4 + "/appInfo2.txt"
120 fileManager.moveItemAtPath(filePath2, toPath: filePath3, error: &error)
121
122 //拷贝
123 var filePath4 = myDirectory4 + "/appInfoCopy.txt"
124 fileManager.copyItemAtPath(filePath3, toPath: filePath4, error: &error)
125
126
127 //获取目录列里所有文件名
128 //先赋值一些文件到myDirectory4目录下
129 var filePath00 = myDirectory4 + "/appInfoCopy00.txt"
130 var filePath11 = myDirectory4 + "/appInfoCopy11.txt"
131 var filePath22 = myDirectory4 + "/appInfoCopy22.txt"
132 fileManager.copyItemAtPath(filePath3, toPath: filePath00, error: &error)
133 fileManager.copyItemAtPath(filePath3, toPath: filePath11, error: &error)
134 fileManager.copyItemAtPath(filePath3, toPath: filePath22, error: &error)
135
136 //获取所有文件
137 var fileArray = fileManager.subpathsAtPath(myDirectory4)
138 println(fileArray)
139 // Optional([appInfo.txt, appInfo2.txt, appInfoCopy.txt, appInfoCopy00.txt, appInfoCopy11.txt, appInfoCopy22.txt])
140
141
142 //IPhone中获取文件各项属性方法
143 //获取文件属性
144 var fileAttributes : [NSObject:AnyObject]? = NSFileManager.defaultManager().attributesOfItemAtPath(filePath22, error: &error)
145
146 //获取文件的创建日期
147 var modificationDate:AnyObject? = fileAttributes![NSFileModificationDate]
148 println(modificationDate)
149
150
151 //获取文件的字节大小
152 var fileSize:AnyObject? = fileAttributes![NSFileSize]
153 println(fileSize)
154
155
156 //删除文件
157 fileManager.removeItemAtPath(filePath4, error: &error)
158
159 //删除目录下所有文件
160 //方法1： 获取所有文件，然后遍历删除
161 var fileArray2 : [AnyObject]? = fileManager.subpathsAtPath(myDirectory4)
162 for fn in fileArray2!
163 {
164 fileManager.removeItemAtPath(myDirectory4 + "/\(fn)", error: &error)
165 }
166
167 //方法2：删除目录后重新创建该目录
168 fileManager.removeItemAtPath(myDirectory4, error: &error)
169 fileManager.createDirectoryAtPath(myDirectory4, withIntermediateDirectories: true, attributes: nil, error: &error)
170
171
172
173
174 }
时间： 2024-03-17 06:45:15