jdbc mysql插入数据提示Parameter index out of range (1 > number of parameters, which is 0). SqlStatement = "insert into post (post_id,person_id,title,info) select ?,?,?,?;";//values(?,?,?,?)||select ?,?,?,? 不能写'?' jdbc mysql插入数据提示Parameter index out of range (1 > number of parameters, which is 0).