请教大神 Parameter 'StartDate' not found. 异常

Question

 <select id="selHisSettlement" resultType="org.his.beans.HisSettlement">
    select * from HisSettlement 
    <where>
        <if test="StartDate!=null and StartDate!=''">
            AND POSJYSJ &gt;= #{StartDate}
        </if>
        <if test="EndDate!=null and EndDate!=''">
            AND POSJYSJ &lt;= #{EndDate}
        </if>
    </where>
</select>

 public String selHis(@Param("StartDate")String StartDate,@Param("EndDate")String EndDate) {
        try {
            List<HisSettlement> settlement = service.selHisSettlement(StartDate, EndDate);

Answer 1

@Param注解应该写在 selHisSettlement 这个方法的参数上。而不是外面的那个方法。