你用的是wsad吗?
可以自己添加查询的方法。

解决方案 »

  1.   

    个人认为较好的办法(复杂):
    在ejb-jar.xml中的<query>
    <query>
          <query-method>
            <method-name>findName</method-name>
            <method-params>
              <method-param>String</method-param>
            </method-params>
          </query-method>
        <ejb-ql>
          <![CDATA[SELECT o FROM containerManaged o WHERE name > ?1]]>
        </ejb-ql>
        </query><query>
          <query-method>
            <method-name>findAge</method-name>
            <method-params>
              <method-param>String/int</method-param>
            </method-params>
          </query-method>
        <ejb-ql>
          <![CDATA[SELECT o FROM containerManaged o WHERE age > ?1]]>
        </ejb-ql>
        </query>
        <query>
          <query-method>
            <method-name>findAddress</method-name>
            <method-params>
            </method-params>
          </query-method>
        <ejb-ql>
          <![CDATA[SELECT o FROM containerManaged o WHERE addressType IS ?]]>
        </ejb-ql>
        </query>
    .....
    ...
        <query>
          <query-method>
            <method-name>findNullPerson</method-name>
            <method-params>
            </method-params>
          </query-method>
        <ejb-ql>
          <![CDATA[SELECT o FROM containerManaged o WHERE age and name IS ?]]>
        </ejb-ql>
        </query>实际是3种情况的组合