iPhone读取和写入plist文件

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：

1. NSMutableDictionary *  dict  =   [   [   NSMutableDictionary   alloc   ]   initWithContentsOfFile : @ "/Sample.plist"   ] ;
2. [  dict  setObject : @ "Yes"   forKey : @ "RestartSpringBoard"   ] ;
3. [  dict  writeToFile : @ "/Sample.plist"   atomically : YES   ] ;

 

读取plist文件：

1. NSMutableDictionary *  dict  =    [   [   NSMutableDictionary   alloc   ]   initWithContentsOfFile : @ "/Sample.plist"   ] ;
2. NSString *   object   =   [  dict  objectForKey : @ "RestartSpringBoard"   ] ;

//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",@"item2",@"item3",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"]];