iPhone 对Plist文件进行读写

读Plist文件

 

NSString *errorDesc = nil;

NSPropertyListFormat format;

NSString *rootPath =     [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0];

　　NSString *plistPath = [rootPath stringByAppendingPathComponent:@"bookmarks.plist"];

　　if (![[NSFileManager defaultManager] fileExistsAtPath:plistPath]) {

　　plistPath = [[NSBundle mainBundle] pathForResource:@"bookmarks" ofType:@"plist"];

　　}

　　NSData *plistXML = [[NSFileManager defaultManager] contentsAtPath:plistPath];

　　context.bookmarksDic = (NSMutableDictionary *)[[NSPropertyListSerialization propertyListFromData:plistXML mutabilityOption:NSPropertyListMutableContainersAndLeaves
　　format:&format
　　errorDescription:&errorDesc] retain];

　　keysArr = [[[context.bookmarksDic allKeys] sortedArrayUsingSelector:@selector(compare:)] retain];

　　if (!context.bookmarksDic) {

　　NSLog(@"Error reading plist: %@, format: %d", errorDesc, format);

　　}

 

 

　写入Plist

 

Context  *context = [Context getInstance];

　　NSString *rootPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
　　NSUserDomainMask, YES) objectAtIndex:0];

　　NSString *plistPath = [rootPath stringByAppendingPathComponent:@"bookmarks.plist"];


　　NSString *error;

　　NSData *plistData = [NSPropertyListSerialization dataFromPropertyList:context.bookmarksDic
　　format:NSPropertyListXMLFormat_v1_0
　　errorDescription:&error];


　　if(plistData) {

　　[plistData writeToFile:plistPath atomically:YES];

　　}

　　else {

　　NSLog(@"%@",error);

　　[error release];

　　}