easyui datagrid排序传入的列名没有下划线

$('#dg').datagrid({
            url:ctx+'supplier/material',
            pagination:true,//分页
            fit:true,
            pageList:[5,6,8,10,12],
            columns:[
                [
                    {field:'id',title:'序号',width:130,align:'center',sortable:true},
                    {field:'materialNum',title:'产品编号',width:150,align:'center'},
                    {field:'materialName',title:'产品名称',align:'center',sortable:true},
                    {field:'materialType',title:'产品类别',width:150,align:'center'},
                    {field:'materialCount',title:'数量',width:150,align:'center',sortable:true},
                    {field:'materialUnit',title:'单位',width:140,align:'center'},
                    {field:'materialMoney',title:'价格',width:150,align:'center',sortable:true},
                ]
            ],
            //工具栏
            toolbar:'#tb',

        });
<mapper namespace="com.turing.ppm.mapper.MaterialMapper" >
  <resultMap id="BaseResultMap" type="com.turing.ppm.entity.Material" >
    <id column="ID" property="id" jdbcType="INTEGER" />
    <result column="MATERIAL_NUM" property="materialNum" jdbcType="VARCHAR" />
    <result column="MATERIAL_NAME" property="materialName" jdbcType="VARCHAR" />
    <result column="MATERIAL_UNIT" property="materialUnit" jdbcType="VARCHAR" />
    <result column="MATERIAL_TYPE" property="materialType" jdbcType="VARCHAR" />
    <result column="material_count" property="materialCount" jdbcType="INTEGER" />
    <result column="material_money" property="materialMoney" jdbcType="DOUBLE" />
  </resultMap>  

<select id="selectBySupplierId" resultMap="BaseResultMap" parameterType="com.turing.ppm.entity.MaterialExample" >
    select * from material where id in (select MATERIAL_ID from supp_material where SUPPLIER_ID=(select id from supplier where user_id=#{id}))
    <if test="sort!=null and sort!=''">
      order by ${sort} ${order}
    </if>
    limit #{pageNum},#{pageSize}
  </select>

 

 

 

 

你是要解决列名没有下划线,还是不知道mapper.xml怎么写

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