null nbsp mybatis myba 查詢 from ref HR OS

http://blog.csdn.net/yanggaosheng/article/details/46685565
MyBatis中動態SQL語句完成多條件查詢
<select id="queryEmp" resultType="cn.test.entity.Emp">
select * from emp where 1=1
<if test="deptNo!=null">
and deptno=#{deptNO}
</if>
<if test="deptName!=null">
and deptno=#{deptName}
</if>
</select>

MyBatis中動態SQL語句完成多條件查詢