您的位置:首页 > 其它

hibernate查询语句hql中的占位符?参数与命名参数:name设值方式搞混

2016-05-15 11:50 423 查看
先贴出异常

Struts has detected an unhandled exception:
Messages:
Position beyond number of declared ordinal parameters. Remember that ordinal parameters are 1-based! Position: 1
File: 	org/hibernate/engine/query/spi/ParameterMetadata.java

Stacktraces
org.hibernate.QueryParameterException: Position beyond number of declared ordinal parameters. Remember that ordinal parameters are 1-based! Position: 1


代码:

//定义hql

String hql = "from Book book where "
+ "book.bookType like :queryArgs or "
+ "book .bookNum like :queryArgs or "
+ "book.bookName like :queryArgs or "
+ "book.bookAuthor like :queryArgs "
+ "order by book.bookType, book .bookNum, book.bookAuthor, book.bookName";

//dao中设值
Query query = sessionFactory.getCurrentSession().createQuery(hql);
for (int i = 0; i < objects.length; i++) {
query.setParameter(i, objects[i]);
}


原因:

异常上说占位符索引越界(溢出),原因是我定义的hql中根本没有占位符“?”,我用的是命名参数,应该通过setString(paraName,paraValue)或者setParameter(paraName,paraValue)的方式来设值,我却用setParameter(int arg0, Object arg1)来设值,所以就报错了!

解决办法:

对于我这个,我通过吧:queryArgs全部替换成?的方式。
内容来自用户分享和网络整理,不保证内容的准确性,如有侵权内容,可联系管理员处理 点击这里给我发消息
标签: