-(NSString*)dataFilePath{
NSArray *path = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentDirectory = [path objectAtIndex:0];
return [documentDirectory stringByAppendingPathComponent:@"ProperyList.plist"];
}
iDevice不能从这个路径加载数据,只有模拟器可以。