FMDatabase

//dataBase=[FMDatabase databaseWithPath:[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask,YES)[0] stringByAppendingPathComponent:@"b.db"]];

//if([dataBase open]){

//FMResultSet * rs =[dataBase executeQuery:@"select * from haha"];

//while ([rs next]) {

//NSLog(@"%@,%@",[rs stringForColumn:@"id"],[rs stringForColumn:@"name"]);

//}

//内容需要加引号 键值不用

//[dataBase executeUpdate:@"create table haha (id integer primary key autoincrement,name text)"];

//[dataBase executeUpdate:@"update haha set name='nidaye' where id=3"];

//[dataBase executeUpdate:@"delete from haha where id=2"];

//[dataBase executeUpdate:@"insert into haha (name) values ('zhaoliu')"];