场景

前端传递两个时间参数，开始时间和结束时间，然后从数据库中筛选出某个时间属性在此范围的数据。

Mybatis的动态sql的写法。

实现



<if test="ksrq != null">
    AND date_format(d.ddsj,'%y%m%d') >= date_format(#{ksrq},'%y%m%d')
</if>
<if test="jsrq != null">
     AND date_format(#{jsrq},'%y%m%d') >= date_format(d.ddsj,'%y%m%d')
</if>


注：

其中ksrq是前端传递过来的开始日期参数，jsrq是前端传递过来的结束日期参数。

d是数据库的表，d.ddsj是数据库中做筛选的时间字段。

完整xml参考



<select id="getListBySx"  resultMap="KqDdjlResult">
        SELECT
        d.id,
        d.gh,
        d.sfcl,
        j.xm,
        d.ddlb,
        d.ddsj,
        s.dept_name AS mbdw,
        ss.dept_name AS ydw,
        d.ddxs
        FROM
        dp_ddjl d
        LEFT JOIN dp_jbxx j ON j.gh = d.gh
        LEFT JOIN sys_dept s ON d.mbdw = s.dept_id
        LEFT JOIN sys_dept ss ON d.ydw = ss.dept_id

        <where>
            <if test="array != null">
                and j.bmid in
                <foreach collection="array" item="item" open="(" separator="," close=")">
                    ${item}
                </foreach>
            </if>
            <if test="xm != null  and xm != ''">
                and j.xm like concat('%', #{xm}, '%')
            </if>
            <if test="ddlx != null  and ddlx!= ''"> and d.ddlb = #{ddlx}</if>
            <if test="sfclwc != null  and sfclwc!= ''"> and d.sfcl = #{sfclwc}</if>
            <if test="ksrq != null">
                AND date_format(d.ddsj,'%y%m%d') >= date_format(#{ksrq},'%y%m%d')
            </if>
            <if test="jsrq != null">
                AND date_format(#{jsrq},'%y%m%d') >= date_format(d.ddsj,'%y%m%d')
            </if>

        </where>

    </select>