iOS 之 Property List

NSString *documentPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
NSString *filePath = [documentPath stringByAppendingPathComponent:@"student.plist"];

NSMutableDictionary *dict = [NSMutableDictionary dictionary];
NSDictionary *stu1= @{@"idNum":@"1",@"name": @"jereh"};
 [dict setValue:stu1 forKey:@"stu1"];
// 新数据写入plist文件
 [dict writeToFile:filePath atomically:YES];

NSMutableDictionary *dicNow = [[NSMutableDictionary alloc] initWithContentsOfFile:filePath];
int idNum = [[dicNow objectForKey:@"idNum"] intValue];
NSString *name = [dicNow objectForKey:@"name"];