plist文件存储

//存储- (IBAction)save:(id)sender {    NSArray *arr = @[@"姓名：", @"张三"];    //获取cache文件路径    //第一个参数是搜索的文件夹    //第二个参数是搜索的范围    //第三个是是否展开文件夹 NO的话会用~代替    NSString *cacheFile = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)[0];    //拼接文件全路径    NSString *pathFile = [cacheFile stringByAppendingString:@"arr.plist"];    //开始写    [arr writeToFile:pathFile atomically:YES];}//读取- (IBAction)read:(id)sender {    NSString *cacheFile = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)[0];     NSString *pathFile = [cacheFile stringByAppendingString:@"arr.plist"];    NSArray *arr = [NSArray arrayWithContentsOfFile:pathFile];    NSLog(@"%@", arr);}