iOS: plist实例

//
//  main.m
//  OSXDemo0601_plist
//
//  Created by yao_yu on 14-6-3.
//  Copyright (c) 2014年 yao_yu. All rights reserved.
//

#import <Foundation/Foundation.h>

BOOL isfile(NSString *path)
{
    NSFileManager *fileManager = [NSFileManager defaultManager];
    BOOL isdir = NO;
    if ([fileManager fileExistsAtPath:path isDirectory: &isdir]) {
        return isdir == NO;
    }
    return NO;
}

BOOL isdir(NSString *path)
{
    NSFileManager *fileManager = [NSFileManager defaultManager];
    BOOL isdir = NO;
    if ([fileManager fileExistsAtPath:path isDirectory: &isdir]) {
        return isdir == YES;
    }
    return NO;
}

int main(int argc, const char * argv[])
{

    @autoreleasepool {
        //得到文档目录
        NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
        NSString *documentDir = [paths objectAtIndex:0];
        
        //得到(创建)自定义数据目录
        NSString *testDir = [[documentDir stringByAppendingPathComponent:@"YY"] stringByAppendingPathComponent:@"Data"];
        NSFileManager *fileMan = [NSFileManager defaultManager];
        if (!isdir(testDir))
            [fileMan createDirectoryAtPath:testDir withIntermediateDirectories:YES attributes:nil error:nil];
        
        //创建plist文件, 序列化字典
        NSString * plistfile = [testDir stringByAppendingPathComponent:@"my.plist"];
        if (!isfile(plistfile))
        {
            NSMutableDictionary *a = [[NSMutableDictionary alloc] initWithObjectsAndKeys:@1,@"A", @2, @"B", nil];
            [a writeToFile:plistfile atomically:YES];
        }
        
        //读取plist文件, 反序列化
        NSMutableDictionary *plist = [NSMutableDictionary dictionaryWithContentsOfFile:plistfile];
        [plist setObject:@"中华人民共和国" forKey:@"国家"];
        NSLog(@"%@", plist);
    }
    return 0;
}