摘要：
1 @interface MyViewController () { 2 // 数据库实例，代表着整个数据库 3 sqlite3 *_db; 4 } 5 @end 6 7 @implementation MyViewController 8 9 - (void)viewDidLoad 10 { 11 [super viewDidLoad]; 12 13 [self openDB]; 14 15 [self createTables]; 16 17 for (int i = 0; i<10; i... 阅读全文
摘要：
1 NSMutableDictionary *dict = [NSMutableDictionary dictionary]; 2 [dict setObject:@"mj" forKey:@"name"]; 3 [dict setObject:[NSNumber numberWithInt:10] forKey:@"age"]; 4 5 // 获取应用沙盒的根路径 6 NSString *home = NSHomeDirectory(); 7 NSString *documents = [home stringByAppending 阅读全文