【Java】You have an error in your SQL syntax ...

详情以下：

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 'and              limit 0, 20' at line 1
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)

实际上是 SQL 语法错误……

参考：
http://jingyan.baidu.com/article/8275fc86b7576446a03cf624.html