异常之You have an error in your SQL syntax

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ” at line 1

我的这种错误，是sql语句有错误，

SELECT * FROM agenda WHERE 1=1 and aId={aId}

仔细看就能看出
正确的语句为：

  SELECT * FROM agenda WHERE 1=1 and aId=#{aId}