sql分条件查询总数

<select id="getTotalCount" resultType="java.lang.Integer">SELECT COUNT(1) FROM T_USER<where><if test="yhbm != null">YHBM = #{yhbm} ORDER BY PXH ASC</if><if test="yh != null">YHID = #{yh} OR BINARY YHXM LIKE #{yhxm} ORDER BY PXH ASC</if></where></select>