easyui datagrid添加移除editor的扩展方法

//放到 扩展datagrid 的js中
 $.extend($.fn.datagrid.methods, {
            addEditor: function (jq, param) {
                if (param instanceof Array) {
                    $.each(param, function (index, item) {
                        var e = $(jq).datagrid('getColumnOption', item.field);
                        e.editor = item.editor;
                    });
                } else {
                    var e = $(jq).datagrid('getColumnOption', param.field);
                    e.editor = param.editor;
                    //console.log("param.editor->" + param.editor.type);
                }
            },
            removeEditor: function (jq, param) {
                if (param instanceof Array) {
                    $.each(param, function (index, item) {
                        var e = $(jq).datagrid('getColumnOption', item);
                        e.editor = {};
                    });
                } else {
                    var e = $(jq).datagrid('getColumnOption', param);
                    e.editor = {};
                }
            }
        });