2009-07-02 69 views
26

所以我有一个plist结构化字符串,它动态获取(而不是从文件系统)。我将如何将此字符串转换为NSDictionary。解析Plist(NSString)到NSDictionary

我试图将其转换NSData的,然后用一个NSPropertyListSerialization NSDictionary的,但它返回“[NSCFString objectAtIndex:]:无法识别的选择发送到实例0x100539f40”当我试图访问NSDictionary中,显示出我的解释是不是成功创建。 NSString的(即plist中的数据)的

实施例:

<?xml version="1.0" encoding="UTF-8"?> 
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> 
<plist version="1.0"> 
<dict> 
<key>Key1</key> 
<dict> 
    <key>Test1</key> 
    <false/> 
    <key>Key2</key> 
    <string>Value2</string> 
    <key>Key3</key> 
    <string>value3</string> 
</dict> 
</dict> 
</plist> 

谢谢!

回答

72

Serializing a Property List

NSData* plistData = [source dataUsingEncoding:NSUTF8StringEncoding]; 
NSString *error; 
NSPropertyListFormat format; 
NSDictionary* plist = [NSPropertyListSerialization propertyListWithData:plistData mutabilityOption:NSPropertyListImmutable format:&format errorDescription:&error]; 
NSLog(@"plist is %@", plist); 
if(!plist){ 
    NSLog(@"Error: %@",error); 
    [error release]; 
} 
12

试试这个:

NSData * data = [yourString dataUsingEncoding:NSUTF8StringEncoding]; 

NSString *errorDesc = nil; 
NSPropertyListFormat format; 
NSDictionary * dict = (NSDictionary*)[NSPropertyListSerialization 
             propertyListFromData:data 
             mutabilityOption:NSPropertyListMutableContainersAndLeaves 
             format:&format 
             errorDescription:&errorDesc]; 
+0

完美!谢谢! – christo16 2009-07-02 03:43:38

+0

除了内存泄漏,但它发生(: – Jacob 2009-09-24 09:45:32

1

I've tried converting it NSData and then to a NSDictionary with NSPropertyListSerialization, but it returns "[NSCFString objectAtIndex:]: unrecognized selector sent to instance 0x100539f40" when I attempt to access the NSDictionary, showing that my Dictionary was not successfully created.

没有,它没有显示出这样的事情。它显示的是你试图将一个字符串视为一个数组。您需要确定plist中的哪个位置要获取数组,以及为什么会出现一个字符串,您希望获得一个数组 - 例如,是否错误地创建了plist(字符串放入其中,一个数组)或正在检查它不正确(字符串的存在是正确的;随后期望数组是错误的)。