easyui datagrid 1.4版本请求两次

当返回的数据是{rows:[],total:0}时，datagrid会请求两次。

像这种框架自身的问题，问题本身就很难找出原因，最终也是google，在easyui社区里面找到解决方法

附件就是1.4版本修复bug的代码，这个只要在页面导入js后面加上这个js就够了（注意得放在easyui.min.js后面）

不能上传附件，郁闷

/** * The Patch for jQuery EasyUI 1.4 */(function($){var plugin = $.fn._size;$.fn._size = function(options, parent){if (typeof options != 'string'){return this.each(function(){parent = parent || $(this).parent();if (parent.length){plugin.call($(this), options, parent);}});} else if (options == 'unfit'){return this.each(function(){var p = $(this).parent();if (p.length){plugin.call($(this), options, parent);}});} else {return plugin.call(this, options, parent);}};})(jQuery);(function($){$.map(['validatebox','textbox','filebox','searchbox','combo','combobox','combogrid','combotree','datebox','datetimebox','numberbox','spinner','numberspinner','timespinner','datetimespinner'], function(plugin){if ($.fn[plugin]){if ($.fn[plugin].defaults.events){$.fn[plugin].defaults.events.click = function(e){if (!$(e.data.target).is(':focus')){$(e.data.target).trigger('focus');}};}}});$.fn.combogrid.defaults.height = 22;$(function(){$(document).bind('mousewheel.combo', function(e){$(e.target).trigger('mousedown.combo');});});})(jQuery);(function($){$.extend($.fn.form.methods, {clear: function(jq){return jq.each(function(){var target = this;$('input,select,textarea', target).each(function(){var t = this.type, tag = this.tagName.toLowerCase();if (t == 'text' || t == 'hidden' || t == 'password' || tag == 'textarea'){this.value = '';} else if (t == 'file'){var file = $(this);if (!file.hasClass('textbox-value')){var newfile = file.clone().val('');newfile.insertAfter(file);if (file.data('validatebox')){file.validatebox('destroy');newfile.validatebox();} else {file.remove();}}} else if (t == 'checkbox' || t == 'radio'){this.checked = false;} else if (tag == 'select'){this.selectedIndex = -1;}});var t = $(target);var plugins = ['textbox','combo','combobox','combotree','combogrid','slider'];for(var i=0; i<plugins.length; i++){var plugin = plugins[i];var r = t.find('.'+plugin+'-f');if (r.length && r[plugin]){r[plugin]('clear');}}$(target).form('validate');});}});})(jQuery);(function($){function setSize(target, param){var opts = $.data(target, 'linkbutton').options;if (param){$.extend(opts, param);}if (opts.width || opts.height || opts.fit){var btn = $(target);var parent = btn.parent();var isVisible = btn.is(':visible');if (!isVisible){var spacer = $('<div style="display:none"></div>').insertBefore(target);var style = {position: btn.css('position'),display: btn.css('display'),left: btn.css('left')};btn.appendTo('body');btn.css({position:'absolute',display:'inline-block',left:-20000});}btn._size(opts, parent);var left = btn.find('.l-btn-left');left.css('margin-top', 0);left.css('margin-top', parseInt((btn.height()-left.height())/2)+'px');if (!isVisible){btn.insertAfter(spacer);btn.css(style);spacer.remove();}}}var plugin = $.fn.linkbutton;$.fn.linkbutton = function(options, param){if (typeof options != 'string'){return this.each(function(){plugin.call($(this), options, param);setSize(this);});} else {return plugin.call(this, options, param);}};$.fn.linkbutton.methods = plugin.methods;$.fn.linkbutton.defaults = plugin.defaults;$.fn.linkbutton.parseOptions = plugin.parseOptions;$.extend($.fn.linkbutton.methods, {resize: function(jq, param){return jq.each(function(){setSize(this, param);});}});})(jQuery);(function($){var plugin = $.fn.dialog;$.fn.dialog = function(options, param){var result = plugin.call(this, options, param);if (typeof options != 'string'){this.each(function(){var opts = $(this).panel('options');if (isNaN(parseInt(opts.height))){$(this).css('height', '');}var onResize = opts.onResize;opts.onResize = function(w, h){onResize.call(this, w, h);if (isNaN(parseInt(opts.height))){$(this).css('height', '');}var shadow = $.data(this, 'window').shadow;if (shadow){var cc = $(this).panel('panel');shadow.css({width: cc._outerWidth(),height: cc._outerHeight()});}};if (opts.closed){var pp = $(this).panel('panel');pp.show();$(this).panel('resize');pp.hide();}});}return result;};$.fn.dialog.methods = plugin.methods;$.fn.dialog.parseOptions = plugin.parseOptions;$.fn.dialog.defaults = plugin.defaults;})(jQuery);(function($){function createTab(container, pp, options) {var state = $.data(container, 'tabs');options = options || {};// create panelpp.panel({border: false,noheader: true,closed: true,doSize: false,iconCls: (options.icon ? options.icon : undefined)});var opts = pp.panel('options');$.extend(opts, options, {onLoad: function(){if (options.onLoad){options.onLoad.call(this, arguments);}state.options.onLoad.call(container, $(this));}});var tabs = $(container).children('div.tabs-header').find('ul.tabs');opts.tab = $('<li></li>').appendTo(tabs);// set the tab object in panel optionsopts.tab.append('<a href="javascript:void(0)" class="tabs-inner">' +'<span class="tabs-title"></span>' +'<span class="tabs-icon"></span>' +'</a>');$(container).tabs('update', {tab: pp,options: opts});}function addTab(container, options) {var opts = $.data(container, 'tabs').options;var tabs = $.data(container, 'tabs').tabs;if (options.selected == undefined) options.selected = true;var pp = $('<div></div>').appendTo($(container).children('div.tabs-panels'));tabs.push(pp);createTab(container, pp, options);opts.onAdd.call(container, options.title, tabs.length-1);$(container).tabs('resize');if (options.selected){$(container).tabs('select', tabs.length-1);}}$.extend($.fn.tabs.methods, {add: function(jq, options){return jq.each(function(){addTab(this, options);});}});})(jQuery);(function($){$.extend($.fn.menubutton.methods, {enable: function(jq){return jq.each(function(){$(this).data('menubutton').options.disabled = false;$(this).linkbutton('enable');});}});})(jQuery);(function($){    var onAfterRender = $.fn.datagrid.defaults.view.onAfterRender;    $.extend($.fn.datagrid.defaults.view, {updateRow: function(target, rowIndex, row){var opts = $.data(target, 'datagrid').options;var rows = $(target).datagrid('getRows');var oldStyle = _getRowStyle(rowIndex);$.extend(rows[rowIndex], row);var newStyle = _getRowStyle(rowIndex);var oldClassValue = oldStyle.c;var styleValue = newStyle.s;var classValue = 'datagrid-row ' + (rowIndex % 2 && opts.striped ? 'datagrid-row-alt ' : ' ') + newStyle.c;function _getRowStyle(rowIndex){var css = opts.rowStyler ? opts.rowStyler.call(target, rowIndex, rows[rowIndex]) : '';var classValue = '';var styleValue = '';if (typeof css == 'string'){styleValue = css;} else if (css){classValue = css['class'] || '';styleValue = css['style'] || '';}return {c:classValue, s:styleValue};}function _update(frozen){var fields = $(target).datagrid('getColumnFields', frozen);var tr = opts.finder.getTr(target, rowIndex, 'body', (frozen?1:2));var checked = tr.find('div.datagrid-cell-check input[type=checkbox]').is(':checked');tr.html(this.renderRow.call(this, target, fields, frozen, rowIndex, rows[rowIndex]));tr.attr('style', styleValue).removeClass(oldClassValue).addClass(classValue);if (checked){tr.find('div.datagrid-cell-check input[type=checkbox]')._propAttr('checked', true);}}_update.call(this, true);_update.call(this, false);$(target).datagrid('fixRowHeight', rowIndex);},    onAfterRender: function(target){    onAfterRender.call($.fn.datagrid.defaults.view, target);    setTimeout(function(){    var opts = $(target).datagrid('options');    opts.pageNumber = opts.pageNumber || 1;    },0);    }    });    $.fn.datagrid.defaults.loader = function(param, success, error){var opts = $(this).datagrid('options');if (!opts.url) return false;if (opts.pagination && opts.pageNumber == 0){opts.pageNumber = 1;param.page = 1;}if (param.page == 0){return false;}$.ajax({type: opts.method,url: opts.url,data: param,dataType: 'json',success: function(data){success(data);},error: function(){error.apply(this, arguments);}});};})(jQuery);(function($){$.fn.numberbox.defaults.filter = function(e){var opts = $(this).numberbox('options');var s = $(this).numberbox('getText');if (e.which == 45){//-return (s.indexOf('-') == -1 ? true : false);}var c = String.fromCharCode(e.which);if (c == opts.decimalSeparator){return (s.indexOf(c) == -1 ? true : false);} else if (c == opts.groupSeparator){return true;} else if ((e.which >= 48 && e.which <= 57 && e.ctrlKey == false && e.shiftKey == false) || e.which == 0 || e.which == 8) {return true;} else if (e.ctrlKey == true && (e.which == 99 || e.which == 118)) {return true;} else {return false;}};})(jQuery);