$('.datagrid-cell').mouseover(function () {

            if (this.offsetWidth < this.scrollWidth) {

                var content = $(this).text();

                $(this).tooltip({

                    content: content,

                    trackMouse: true,

                    onHide: function () {

                        $(this).tooltip('destroy');

                    }

                }).tooltip('show');

            }

        });

Easyui.$myview = $.extend({}, $.fn.datagrid.defaults.view, {

    onAfterRender: function (target) {

        $.fn.datagrid.defaults.view.onAfterRender.call(this, target);

        var opts = $(target).datagrid('options');

        var vc = $(target).datagrid('getPanel').children('div.datagrid-view');

        vc.children('div.datagrid-empty').remove();

        if (!$(target).datagrid('getRows').length) {

            var d = $('<div class="datagrid-empty"></div>').html(opts.emptyMsg || 'no records').appendTo(vc);

            d.css({

                position: 'absolute',

                left: 0,

                top: 50,

                width: '100%',

                textAlign: 'center'

            });

        }

        $(target).datagrid("fixRownumber");//自适应rownumber

        $('.datagrid-cell').mouseover(function () {
　　　　　　　//判断文本是否溢出

            if (this.offsetWidth < this.scrollWidth) {

                var content = $(this).text();

                $(this).tooltip({

                    content: content,

                    trackMouse: true,

                    onHide: function () {

                        $(this).tooltip('destroy');

                    }

                }).tooltip('show');

            }

        });

    }

});

Easyui.datagrid = function (/*object*/options) {

    var $dg = $('#' + options.datagridId);

    var _options = $.extend({

        loadMsg: '数据加载中，请稍后……',

        method: 'post',

        pageList: [15, 20, 30, 50],

        pageSize: 50,

        toolbar: '#dg_toorbar',

        fit: true,

        pagination: true,

        border: false,

        rownumbers: true,

        striped: true,

        view: Easyui.$myview,

        singleSelect: true,

        fitColumns: true,

        emptyMsg: '未找到符合条件的数据',

        cache: false

    }, options);

    if (options.formId && $(options.formId).form('validate')) {

        _options.queryParams = $(options.formId).form('serialize');

    }

    $dg.datagrid(_options);

};