plist文件是标准的xml文件，在cocoa中可以很简单地使用。这里介绍一下使用方法：
以下代码在Mac和iPhone中均适用。
写入plist文件：
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NSMutableDictionary * dict = [ [ NSMutableDictionary alloc ] initWithContentsOfFile : @ "/Sample.plist" ] ;
读取plist文件：
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NSMutableDictionary * dict = [ [ NSMutableDictionary alloc ] initWithContentsOfFile : @ "/Sample.plist" ] ;
//读plist 文件
到 NSMutableDictionary 中 dictplist = [[NSMutableDictionary alloc ] initWithContentsOfURL:[NSURL fileURLWithPath:path]]; [dictplist setobject:@"testOne" forKey:@"key1"]; NSLog([dictplist objectForKey:@"key1"]); NSArray *array = [[NSArray alloc] initWithObjects:@"item1",@"item2",@"item3",nil]; [dictplist setobject:array forKey:@"arrayitemtest"]; [dictplist writetoFile:plistPath atomically:YES]; Nsstring *name = [dictplist objectForKey:@"name" ]; NSLog(name); arraylist = [[NSMutableArray alloc] initWithArray:[dictplist objectForKey:@"arrayitemtest"]]; //从NSMutableDictionary 中构建 plist 文件 NSArray *array = [[NSArray alloc] initWithObjects:@"item1",nil]; dictplist = [[NSMutableDictionary alloc ] init]; [dictplist setobject:@"nameOne" forKey:@"name"]; [dictplist setobject:array forKey:@"item"]; [dictplist writetoFile:plistPath atomically:YES]; //arraylist = [[NSMutableArray alloc] init]; //[arraylist addobject:[dictplist objectForKey:@"name"]]; arraylist = [[NSMutableArray alloc] initWithArray:[dictplist objectForKey:@"item"]];
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