关于rowStyler 用法

$('#table').iDatagrid({
	url:'/webapi/role/list',
	contentType: 'application/json; charset=UTF-8',
	method:'post',
	loadMsg:'正在加载数据。。。',
	queryParams:{Authorization:parent.Authorization,"organid":organid},
    columns:[[
        {field:'id',title:'主键',width:100,checkbox:true},
        {field:'code',title:'序号',width:300,sortable:true},
        {field:'name',title:'角色名称',width:300,sortable:true},
        {field:'roletype',title:'角色类型',width:300,sortable:true,rowStyler: function(index,row){
	        	 var operateHtml = '';
                if(row.roletype==0)
                   operateHtml='管理人员';
                else if(row.roletype==1)
	               operateHtml='操作人员';
                else if(row.roletype==2)
 	               operateHtml='普通人员';
                return operateHtml;
            }},
        {field:'remark',title:'备注',width:300,sortable:true}
    ]]
});