从plist数组创建NSArray
[英]Create NSArray from plist array
问题描述
I need to pull out data from a plist array and put it in an NSArray. 
我需要从plist数组中提取数据并将其放入NSArray中。 But it seems to not be working. 但这似乎不起作用。
Here is my main file: 这是我的主文件：
NSString *path = [[NSBundle mainBundle] pathForResource:@"htmlData" ofType:@"plist"];
NSMutableDictionary *tempDictionary = [[NSMutableDictionary alloc] initWithContentsOfFile:path];
dictionary = tempDictionary;
[tempDictionary release];
NSMutableArray *nameArray = [[NSMutableArray alloc] init];
nameArray = [dictionary objectForKey:@"tagName"];
self.sitesArray = nameArray;
[nameArray release];
My plist file. 我的plist文件。 Named: htmlData.plist 命名：htmlData.plist
<plist version="1.0">
<dict>
<key>tagName</key>
<array>
<string><html></string>
<string><body></string>
</array>
</dict>
</plist>
It should set self.sitesArray equal to @"<html>", @"<body>, nil; but it is not working. 它应该将self.sitesArray设置self.sitesArray等于@"<html>", @"<body>, nil;但是它不起作用。
1 个解决方案
解决方案1
5 已采纳 2010-10-25 21:22:05
First, understand that dictionary and tempDictionary are pointing to the same object, and you cannot access the object after you release it. 首先，要了解dictionary和tempDictionary指向同一个对象，并且释放该对象后将无法访问它。 So when you do [tempDictionary release] , the dictionary is released. 因此，当您执行[tempDictionary release] ，将[tempDictionary release]字典。 It cannot be then accessed through the dictionary pointe. 然后就不能通过dictionary指针访问它。
For this code, try: 对于此代码，请尝试：
NSString *path = [[NSBundle mainBundle] pathForResource:@"htmlData" ofType:@"plist"];
NSDictionary *dictionary = [[NSMutableDictionary alloc] initWithContentsOfFile:path];
self.sitesArray = [dictionary objectForKey:@"tagName"];
[dictionary release];
Your setter for sitesArray should be retaining the array, or the call to [dictionary release] will release it. 您对sitesArray设置器应保留该数组，否则对[dictionary release]的调用将释放该数组。
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