ASP.NET MVC5+EF6+EasyUI 后台管理系统（38）-Easyui-accordion+tree漂亮的菜单导航

系列目录

本节主要知识点是easyui 的手风琴加树结构做菜单导航

有园友抱怨原来菜单非常难看，但是基于原有树形无限级别的设计，没有办法只能已树形展示

先来看原来的效果

改变后的效果，当然我已经做好了，最后只放出代码供大家参考，其实网上也有这方面的资料，但是不是很好用，我还是自己写了

手风琴一直都是比较漂亮和受欢迎的，但是基于树多级别来说，做起来就比较麻烦，所以我这里也用了手风琴加树的模式来做

注：上面的图标都是乱添加的，并不代表意思

进入正文：

首先必须下载一些图标。可以自行百度网页小图标，那资源是非常多了，我在群里也分享了一组3800个的图标，我只拿其中的几百个出来用用，下载的图标都是零散的，我们必须节省用户的带宽，所以要先将图片进行压缩生成CSS样式，这里我用的工具是CSSSatyr,大家可以百度后下载即可，这里我已经为大家随便挑选了几个图片，有些同学可能还不知道有这个方法组图，现在你会了，把你的网站的图片组起来，节省带宽！非常重要，无论是加载还是用户体验都快不少

生成的CSS如下

.pic_1 {background:url("/Content/Images/icon.png") -0px -0px no-repeat; width: 16px; height: 16px; }
.pic_2 {background:url("/Content/Images/icon.png") -16px -0px; width: 16px; height: 16px; }
.pic_3 {background:url("/Content/Images/icon.png") -32px -0px; width: 16px; height: 16px; }
.pic_4 {background:url("/Content/Images/icon.png") -48px -0px; width: 16px; height: 16px; }
.pic_5 {background:url("/Content/Images/icon.png") -64px -0px; width: 16px; height: 16px; }
.pic_6 {background:url("/Content/Images/icon.png") -80px -0px; width: 16px; height: 16px; }
.pic_7 {background:url("/Content/Images/icon.png") -96px -0px; width: 16px; height: 16px; }
.pic_8 {background:url("/Content/Images/icon.png") -112px -0px; width: 16px; height: 16px; }
.pic_9 {background:url("/Content/Images/icon.png") -128px -0px; width: 16px; height: 16px; }
.pic_10 {background:url("/Content/Images/icon.png") -144px -0px; width: 16px; height: 16px; }
.pic_11 {background:url("/Content/Images/icon.png") -160px -0px; width: 16px; height: 16px; }
.pic_12 {background:url("/Content/Images/icon.png") -176px -0px; width: 16px; height: 16px; }
.pic_13 {background:url("/Content/Images/icon.png") -192px -0px; width: 16px; height: 16px; }
.pic_14 {background:url("/Content/Images/icon.png") -208px -0px; width: 16px; height: 16px; }
.pic_15 {background:url("/Content/Images/icon.png") -224px -0px; width: 16px; height: 16px; }
.pic_16 {background:url("/Content/Images/icon.png") -240px -0px; width: 16px; height: 16px; }
.pic_17 {background:url("/Content/Images/icon.png") -256px -0px; width: 16px; height: 16px; }
.pic_18 {background:url("/Content/Images/icon.png") -272px -0px; width: 16px; height: 16px; }
.pic_19 {background:url("/Content/Images/icon.png") -288px -0px; width: 16px; height: 16px; }
.pic_20 {background:url("/Content/Images/icon.png") -304px -0px; width: 16px; height: 16px; }
.pic_21 {background:url("/Content/Images/icon.png") -320px -0px; width: 16px; height: 16px; }
.pic_22 {background:url("/Content/Images/icon.png") -336px -0px; width: 16px; height: 16px; }
.pic_23 {background:url("/Content/Images/icon.png") -352px -0px; width: 16px; height: 16px; }
.pic_24 {background:url("/Content/Images/icon.png") -368px -0px; width: 16px; height: 16px; }
.pic_25 {background:url("/Content/Images/icon.png") -384px -0px; width: 16px; height: 16px; }
.pic_26 {background:url("/Content/Images/icon.png") -0px -16px; width: 16px; height: 16px; }
.pic_27 {background:url("/Content/Images/icon.png") -16px -16px; width: 16px; height: 16px; }
.pic_28 {background:url("/Content/Images/icon.png") -32px -16px; width: 16px; height: 16px; }
.pic_29 {background:url("/Content/Images/icon.png") -48px -16px; width: 16px; height: 16px; }
.pic_30 {background:url("/Content/Images/icon.png") -64px -16px; width: 16px; height: 16px; }
.pic_31 {background:url("/Content/Images/icon.png") -80px -16px; width: 16px; height: 16px; }
.pic_32 {background:url("/Content/Images/icon.png") -96px -16px; width: 16px; height: 16px; }
.pic_33 {background:url("/Content/Images/icon.png") -112px -16px; width: 16px; height: 16px; }
.pic_34 {background:url("/Content/Images/icon.png") -128px -16px; width: 16px; height: 16px; }
.pic_35 {background:url("/Content/Images/icon.png") -144px -16px; width: 16px; height: 16px; }
.pic_36 {background:url("/Content/Images/icon.png") -160px -16px; width: 16px; height: 16px; }
.pic_37 {background:url("/Content/Images/icon.png") -176px -16px; width: 16px; height: 16px; }
.pic_38 {background:url("/Content/Images/icon.png") -192px -16px; width: 16px; height: 16px; }
.pic_39 {background:url("/Content/Images/icon.png") -208px -16px; width: 16px; height: 16px; }
.pic_40 {background:url("/Content/Images/icon.png") -224px -16px; width: 16px; height: 16px; }
.pic_41 {background:url("/Content/Images/icon.png") -240px -16px; width: 16px; height: 16px; }
.pic_42 {background:url("/Content/Images/icon.png") -256px -16px; width: 16px; height: 16px; }
.pic_43 {background:url("/Content/Images/icon.png") -272px -16px; width: 16px; height: 16px; }
.pic_44 {background:url("/Content/Images/icon.png") -288px -16px; width: 16px; height: 16px; }
.pic_45 {background:url("/Content/Images/icon.png") -304px -16px; width: 16px; height: 16px; }
.pic_46 {background:url("/Content/Images/icon.png") -320px -16px; width: 16px; height: 16px; }
.pic_47 {background:url("/Content/Images/icon.png") -336px -16px; width: 16px; height: 16px; }
.pic_48 {background:url("/Content/Images/icon.png") -352px -16px; width: 16px; height: 16px; }
.pic_49 {background:url("/Content/Images/icon.png") -368px -16px; width: 16px; height: 16px; }
.pic_50 {background:url("/Content/Images/icon.png") -384px -16px; width: 16px; height: 16px; }
.pic_51 {background:url("/Content/Images/icon.png") -0px -32px; width: 16px; height: 16px; }
.pic_52 {background:url("/Content/Images/icon.png") -16px -32px; width: 16px; height: 16px; }
.pic_53 {background:url("/Content/Images/icon.png") -32px -32px; width: 16px; height: 16px; }
.pic_54 {background:url("/Content/Images/icon.png") -48px -32px; width: 16px; height: 16px; }
.pic_55 {background:url("/Content/Images/icon.png") -64px -32px; width: 16px; height: 16px; }
.pic_56 {background:url("/Content/Images/icon.png") -80px -32px; width: 16px; height: 16px; }
.pic_57 {background:url("/Content/Images/icon.png") -96px -32px; width: 16px; height: 16px; }
.pic_58 {background:url("/Content/Images/icon.png") -112px -32px; width: 16px; height: 16px; }
.pic_59 {background:url("/Content/Images/icon.png") -128px -32px; width: 16px; height: 16px; }
.pic_60 {background:url("/Content/Images/icon.png") -144px -32px; width: 16px; height: 16px; }
.pic_61 {background:url("/Content/Images/icon.png") -160px -32px; width: 16px; height: 16px; }
.pic_62 {background:url("/Content/Images/icon.png") -176px -32px; width: 16px; height: 16px; }
.pic_63 {background:url("/Content/Images/icon.png") -192px -32px; width: 16px; height: 16px; }
.pic_64 {background:url("/Content/Images/icon.png") -208px -32px; width: 16px; height: 16px; }
.pic_65 {background:url("/Content/Images/icon.png") -224px -32px; width: 16px; height: 16px; }
.pic_66 {background:url("/Content/Images/icon.png") -240px -32px; width: 16px; height: 16px; }
.pic_67 {background:url("/Content/Images/icon.png") -256px -32px; width: 16px; height: 16px; }
.pic_68 {background:url("/Content/Images/icon.png") -272px -32px; width: 16px; height: 16px; }
.pic_69 {background:url("/Content/Images/icon.png") -288px -32px; width: 16px; height: 16px; }
.pic_70 {background:url("/Content/Images/icon.png") -304px -32px; width: 16px; height: 16px; }
.pic_71 {background:url("/Content/Images/icon.png") -320px -32px; width: 16px; height: 16px; }
.pic_72 {background:url("/Content/Images/icon.png") -336px -32px; width: 16px; height: 16px; }
.pic_73 {background:url("/Content/Images/icon.png") -352px -32px; width: 16px; height: 16px; }
.pic_74 {background:url("/Content/Images/icon.png") -368px -32px; width: 16px; height: 16px; }
.pic_75 {background:url("/Content/Images/icon.png") -384px -32px; width: 16px; height: 16px; }
.pic_76 {background:url("/Content/Images/icon.png") -0px -48px; width: 16px; height: 16px; }
.pic_77 {background:url("/Content/Images/icon.png") -16px -48px; width: 16px; height: 16px; }
.pic_78 {background:url("/Content/Images/icon.png") -32px -48px; width: 16px; height: 16px; }
.pic_79 {background:url("/Content/Images/icon.png") -48px -48px; width: 16px; height: 16px; }
.pic_80 {background:url("/Content/Images/icon.png") -64px -48px; width: 16px; height: 16px; }
.pic_81 {background:url("/Content/Images/icon.png") -80px -48px; width: 16px; height: 16px; }
.pic_82 {background:url("/Content/Images/icon.png") -96px -48px; width: 16px; height: 16px; }
.pic_83 {background:url("/Content/Images/icon.png") -112px -48px; width: 16px; height: 16px; }
.pic_84 {background:url("/Content/Images/icon.png") -128px -48px; width: 16px; height: 16px; }
.pic_85 {background:url("/Content/Images/icon.png") -144px -48px; width: 16px; height: 16px; }
.pic_86 {background:url("/Content/Images/icon.png") -160px -48px; width: 16px; height: 16px; }
.pic_87 {background:url("/Content/Images/icon.png") -176px -48px; width: 16px; height: 16px; }
.pic_88 {background:url("/Content/Images/icon.png") -192px -48px; width: 16px; height: 16px; }
.pic_89 {background:url("/Content/Images/icon.png") -208px -48px; width: 16px; height: 16px; }
.pic_90 {background:url("/Content/Images/icon.png") -224px -48px; width: 16px; height: 16px; }
.pic_91 {background:url("/Content/Images/icon.png") -240px -48px; width: 16px; height: 16px; }
.pic_92 {background:url("/Content/Images/icon.png") -256px -48px; width: 16px; height: 16px; }
.pic_93 {background:url("/Content/Images/icon.png") -272px -48px; width: 16px; height: 16px; }
.pic_94 {background:url("/Content/Images/icon.png") -288px -48px; width: 16px; height: 16px; }
.pic_95 {background:url("/Content/Images/icon.png") -304px -48px; width: 16px; height: 16px; }
.pic_96 {background:url("/Content/Images/icon.png") -320px -48px; width: 16px; height: 16px; }
.pic_97 {background:url("/Content/Images/icon.png") -336px -48px; width: 16px; height: 16px; }
.pic_98 {background:url("/Content/Images/icon.png") -352px -48px; width: 16px; height: 16px; }
.pic_99 {background:url("/Content/Images/icon.png") -368px -48px; width: 16px; height: 16px; }
.pic_100 {background:url("/Content/Images/icon.png") -384px -48px; width: 16px; height: 16px; }
.pic_101 {background:url("/Content/Images/icon.png") -0px -64px; width: 16px; height: 16px; }
.pic_102 {background:url("/Content/Images/icon.png") -16px -64px; width: 16px; height: 16px; }
.pic_103 {background:url("/Content/Images/icon.png") -32px -64px; width: 16px; height: 16px; }
.pic_104 {background:url("/Content/Images/icon.png") -48px -64px; width: 16px; height: 16px; }
.pic_105 {background:url("/Content/Images/icon.png") -64px -64px; width: 16px; height: 16px; }
.pic_106 {background:url("/Content/Images/icon.png") -80px -64px; width: 16px; height: 16px; }
.pic_107 {background:url("/Content/Images/icon.png") -96px -64px; width: 16px; height: 16px; }
.pic_108 {background:url("/Content/Images/icon.png") -112px -64px; width: 16px; height: 16px; }
.pic_109 {background:url("/Content/Images/icon.png") -128px -64px; width: 16px; height: 16px; }
.pic_110 {background:url("/Content/Images/icon.png") -144px -64px; width: 16px; height: 16px; }
.pic_111 {background:url("/Content/Images/icon.png") -160px -64px; width: 16px; height: 16px; }
.pic_112 {background:url("/Content/Images/icon.png") -176px -64px; width: 16px; height: 16px; }
.pic_113 {background:url("/Content/Images/icon.png") -192px -64px; width: 16px; height: 16px; }
.pic_114 {background:url("/Content/Images/icon.png") -208px -64px; width: 16px; height: 16px; }
.pic_115 {background:url("/Content/Images/icon.png") -224px -64px; width: 16px; height: 16px; }
.pic_116 {background:url("/Content/Images/icon.png") -240px -64px; width: 16px; height: 16px; }
.pic_117 {background:url("/Content/Images/icon.png") -256px -64px; width: 16px; height: 16px; }
.pic_118 {background:url("/Content/Images/icon.png") -272px -64px; width: 16px; height: 16px; }
.pic_119 {background:url("/Content/Images/icon.png") -288px -64px; width: 16px; height: 16px; }
.pic_120 {background:url("/Content/Images/icon.png") -304px -64px; width: 16px; height: 16px; }
.pic_121 {background:url("/Content/Images/icon.png") -320px -64px; width: 16px; height: 16px; }
.pic_122 {background:url("/Content/Images/icon.png") -336px -64px; width: 16px; height: 16px; }
.pic_123 {background:url("/Content/Images/icon.png") -352px -64px; width: 16px; height: 16px; }
.pic_124 {background:url("/Content/Images/icon.png") -368px -64px; width: 16px; height: 16px; }
.pic_125 {background:url("/Content/Images/icon.png") -384px -64px; width: 16px; height: 16px; }
.pic_126 {background:url("/Content/Images/icon.png") -0px -80px; width: 16px; height: 16px; }
.pic_127 {background:url("/Content/Images/icon.png") -16px -80px; width: 16px; height: 16px; }
.pic_128 {background:url("/Content/Images/icon.png") -32px -80px; width: 16px; height: 16px; }
.pic_129 {background:url("/Content/Images/icon.png") -48px -80px; width: 16px; height: 16px; }
.pic_130 {background:url("/Content/Images/icon.png") -64px -80px; width: 16px; height: 16px; }
.pic_131 {background:url("/Content/Images/icon.png") -80px -80px; width: 16px; height: 16px; }
.pic_132 {background:url("/Content/Images/icon.png") -96px -80px; width: 16px; height: 16px; }
.pic_133 {background:url("/Content/Images/icon.png") -112px -80px; width: 16px; height: 16px; }
.pic_134 {background:url("/Content/Images/icon.png") -128px -80px; width: 16px; height: 16px; }
.pic_135 {background:url("/Content/Images/icon.png") -144px -80px; width: 16px; height: 16px; }
.pic_136 {background:url("/Content/Images/icon.png") -160px -80px; width: 16px; height: 16px; }
.pic_137 {background:url("/Content/Images/icon.png") -176px -80px; width: 16px; height: 16px; }
.pic_138 {background:url("/Content/Images/icon.png") -192px -80px; width: 16px; height: 16px; }
.pic_139 {background:url("/Content/Images/icon.png") -208px -80px; width: 16px; height: 16px; }
.pic_140 {background:url("/Content/Images/icon.png") -224px -80px; width: 16px; height: 16px; }
.pic_141 {background:url("/Content/Images/icon.png") -240px -80px; width: 16px; height: 16px; }
.pic_142 {background:url("/Content/Images/icon.png") -256px -80px; width: 16px; height: 16px; }
.pic_143 {background:url("/Content/Images/icon.png") -272px -80px; width: 16px; height: 16px; }
.pic_144 {background:url("/Content/Images/icon.png") -288px -80px; width: 16px; height: 16px; }
.pic_145 {background:url("/Content/Images/icon.png") -304px -80px; width: 16px; height: 16px; }
.pic_146 {background:url("/Content/Images/icon.png") -320px -80px; width: 16px; height: 16px; }
.pic_147 {background:url("/Content/Images/icon.png") -336px -80px; width: 16px; height: 16px; }
.pic_148 {background:url("/Content/Images/icon.png") -352px -80px; width: 16px; height: 16px; }
.pic_149 {background:url("/Content/Images/icon.png") -368px -80px; width: 16px; height: 16px; }
.pic_150 {background:url("/Content/Images/icon.png") -384px -80px; width: 16px; height: 16px; }
.pic_151 {background:url("/Content/Images/icon.png") -0px -96px; width: 16px; height: 16px; }
.pic_152 {background:url("/Content/Images/icon.png") -16px -96px; width: 16px; height: 16px; }
.pic_153 {background:url("/Content/Images/icon.png") -32px -96px; width: 16px; height: 16px; }
.pic_154 {background:url("/Content/Images/icon.png") -48px -96px; width: 16px; height: 16px; }
.pic_155 {background:url("/Content/Images/icon.png") -64px -96px; width: 16px; height: 16px; }
.pic_156 {background:url("/Content/Images/icon.png") -80px -96px; width: 16px; height: 16px; }
.pic_157 {background:url("/Content/Images/icon.png") -96px -96px; width: 16px; height: 16px; }
.pic_158 {background:url("/Content/Images/icon.png") -112px -96px; width: 16px; height: 16px; }
.pic_159 {background:url("/Content/Images/icon.png") -128px -96px; width: 16px; height: 16px; }
.pic_160 {background:url("/Content/Images/icon.png") -144px -96px; width: 16px; height: 16px; }
.pic_161 {background:url("/Content/Images/icon.png") -160px -96px; width: 16px; height: 16px; }
.pic_162 {background:url("/Content/Images/icon.png") -176px -96px; width: 16px; height: 16px; }
.pic_163 {background:url("/Content/Images/icon.png") -192px -96px; width: 16px; height: 16px; }
.pic_164 {background:url("/Content/Images/icon.png") -208px -96px; width: 16px; height: 16px; }
.pic_165 {background:url("/Content/Images/icon.png") -224px -96px; width: 16px; height: 16px; }
.pic_166 {background:url("/Content/Images/icon.png") -240px -96px; width: 16px; height: 16px; }
.pic_167 {background:url("/Content/Images/icon.png") -256px -96px; width: 16px; height: 16px; }
.pic_168 {background:url("/Content/Images/icon.png") -272px -96px; width: 16px; height: 16px; }
.pic_169 {background:url("/Content/Images/icon.png") -288px -96px; width: 16px; height: 16px; }
.pic_170 {background:url("/Content/Images/icon.png") -304px -96px; width: 16px; height: 16px; }
.pic_171 {background:url("/Content/Images/icon.png") -320px -96px; width: 16px; height: 16px; }
.pic_172 {background:url("/Content/Images/icon.png") -336px -96px; width: 16px; height: 16px; }
.pic_173 {background:url("/Content/Images/icon.png") -352px -96px; width: 16px; height: 16px; }
.pic_174 {background:url("/Content/Images/icon.png") -368px -96px; width: 16px; height: 16px; }
.pic_175 {background:url("/Content/Images/icon.png") -384px -96px; width: 16px; height: 16px; }
.pic_176 {background:url("/Content/Images/icon.png") -0px -112px; width: 16px; height: 16px; }
.pic_177 {background:url("/Content/Images/icon.png") -16px -112px; width: 16px; height: 16px; }
.pic_178 {background:url("/Content/Images/icon.png") -32px -112px; width: 16px; height: 16px; }
.pic_179 {background:url("/Content/Images/icon.png") -48px -112px; width: 16px; height: 16px; }
.pic_180 {background:url("/Content/Images/icon.png") -64px -112px; width: 16px; height: 16px; }
.pic_181 {background:url("/Content/Images/icon.png") -80px -112px; width: 16px; height: 16px; }
.pic_182 {background:url("/Content/Images/icon.png") -96px -112px; width: 16px; height: 16px; }
.pic_183 {background:url("/Content/Images/icon.png") -112px -112px; width: 16px; height: 16px; }
.pic_184 {background:url("/Content/Images/icon.png") -128px -112px; width: 16px; height: 16px; }
.pic_185 {background:url("/Content/Images/icon.png") -144px -112px; width: 16px; height: 16px; }
.pic_186 {background:url("/Content/Images/icon.png") -160px -112px; width: 16px; height: 16px; }
.pic_187 {background:url("/Content/Images/icon.png") -176px -112px; width: 16px; height: 16px; }
.pic_188 {background:url("/Content/Images/icon.png") -192px -112px; width: 16px; height: 16px; }
.pic_189 {background:url("/Content/Images/icon.png") -208px -112px; width: 16px; height: 16px; }
.pic_190 {background:url("/Content/Images/icon.png") -224px -112px; width: 16px; height: 16px; }
.pic_191 {background:url("/Content/Images/icon.png") -240px -112px; width: 16px; height: 16px; }
.pic_192 {background:url("/Content/Images/icon.png") -256px -112px; width: 16px; height: 16px; }
.pic_193 {background:url("/Content/Images/icon.png") -272px -112px; width: 16px; height: 16px; }
.pic_194 {background:url("/Content/Images/icon.png") -288px -112px; width: 16px; height: 16px; }
.pic_195 {background:url("/Content/Images/icon.png") -304px -112px; width: 16px; height: 16px; }
.pic_196 {background:url("/Content/Images/icon.png") -320px -112px; width: 16px; height: 16px; }
.pic_197 {background:url("/Content/Images/icon.png") -336px -112px; width: 16px; height: 16px; }
.pic_198 {background:url("/Content/Images/icon.png") -352px -112px; width: 16px; height: 16px; }
.pic_199 {background:url("/Content/Images/icon.png") -368px -112px; width: 16px; height: 16px; }
.pic_200 {background:url("/Content/Images/icon.png") -384px -112px; width: 16px; height: 16px; }
.pic_201 {background:url("/Content/Images/icon.png") -0px -128px; width: 16px; height: 16px; }
.pic_202 {background:url("/Content/Images/icon.png") -16px -128px; width: 16px; height: 16px; }
.pic_203 {background:url("/Content/Images/icon.png") -32px -128px; width: 16px; height: 16px; }
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.pic_425 {background:url("/Content/Images/icon.png") -384px -256px; width: 16px; height: 16px; }
.pic_426 {background:url("/Content/Images/icon.png") -0px -272px; width: 16px; height: 16px; }
.pic_427 {background:url("/Content/Images/icon.png") -16px -272px; width: 16px; height: 16px; }
.pic_428 {background:url("/Content/Images/icon.png") -32px -272px; width: 16px; height: 16px; }
.pic_429 {background:url("/Content/Images/icon.png") -48px -272px; width: 16px; height: 16px; }
.pic_430 {background:url("/Content/Images/icon.png") -64px -272px; width: 16px; height: 16px; }
.pic_431 {background:url("/Content/Images/icon.png") -80px -272px; width: 16px; height: 16px; }
.pic_432 {background:url("/Content/Images/icon.png") -96px -272px; width: 16px; height: 16px; }
.pic_433 {background:url("/Content/Images/icon.png") -112px -272px; width: 16px; height: 16px; }
.pic_434 {background:url("/Content/Images/icon.png") -128px -272px; width: 16px; height: 16px; }
.pic_435 {background:url("/Content/Images/icon.png") -144px -272px; width: 16px; height: 16px; }
.pic_436 {background:url("/Content/Images/icon.png") -160px -272px; width: 16px; height: 16px; }
.pic_437 {background:url("/Content/Images/icon.png") -176px -272px; width: 16px; height: 16px; }
.pic_438 {background:url("/Content/Images/icon.png") -192px -272px; width: 16px; height: 16px; }
.pic_439 {background:url("/Content/Images/icon.png") -208px -272px; width: 16px; height: 16px; }
.pic_440 {background:url("/Content/Images/icon.png") -224px -272px; width: 16px; height: 16px; }
.pic_441 {background:url("/Content/Images/icon.png") -240px -272px; width: 16px; height: 16px; }
.pic_442 {background:url("/Content/Images/icon.png") -256px -272px; width: 16px; height: 16px; }
.pic_443 {background:url("/Content/Images/icon.png") -272px -272px; width: 16px; height: 16px; }
.pic_444 {background:url("/Content/Images/icon.png") -288px -272px; width: 16px; height: 16px; }
.pic_445 {background:url("/Content/Images/icon.png") -304px -272px; width: 16px; height: 16px; }
.pic_446 {background:url("/Content/Images/icon.png") -320px -272px; width: 16px; height: 16px; }
.pic_447 {background:url("/Content/Images/icon.png") -336px -272px; width: 16px; height: 16px; }
.pic_448 {background:url("/Content/Images/icon.png") -352px -272px; width: 16px; height: 16px; }
.pic_449 {background:url("/Content/Images/icon.png") -368px -272px; width: 16px; height: 16px; }
.pic_450 {background:url("/Content/Images/icon.png") -384px -272px; width: 16px; height: 16px; }
.pic_451 {background:url("/Content/Images/icon.png") -0px -288px; width: 16px; height: 16px; }
.pic_452 {background:url("/Content/Images/icon.png") -16px -288px; width: 16px; height: 16px; }
.pic_453 {background:url("/Content/Images/icon.png") -32px -288px; width: 16px; height: 16px; }
.pic_454 {background:url("/Content/Images/icon.png") -48px -288px; width: 16px; height: 16px; }
.pic_455 {background:url("/Content/Images/icon.png") -64px -288px; width: 16px; height: 16px; }
.pic_456 {background:url("/Content/Images/icon.png") -80px -288px; width: 16px; height: 16px; }
.pic_457 {background:url("/Content/Images/icon.png") -96px -288px; width: 16px; height: 16px; }
.pic_458 {background:url("/Content/Images/icon.png") -112px -288px; width: 16px; height: 16px; }
.pic_459 {background:url("/Content/Images/icon.png") -128px -288px; width: 16px; height: 16px; }
.pic_460 {background:url("/Content/Images/icon.png") -144px -288px; width: 16px; height: 16px; }
.pic_461 {background:url("/Content/Images/icon.png") -160px -288px; width: 16px; height: 16px; }
.pic_462 {background:url("/Content/Images/icon.png") -176px -288px; width: 16px; height: 16px; }
.pic_463 {background:url("/Content/Images/icon.png") -192px -288px; width: 16px; height: 16px; }
.pic_464 {background:url("/Content/Images/icon.png") -208px -288px; width: 16px; height: 16px; }
.pic_465 {background:url("/Content/Images/icon.png") -224px -288px; width: 16px; height: 16px; }
.pic_466 {background:url("/Content/Images/icon.png") -240px -288px; width: 16px; height: 16px; }
.pic_467 {background:url("/Content/Images/icon.png") -256px -288px; width: 16px; height: 16px; }
.pic_468 {background:url("/Content/Images/icon.png") -272px -288px; width: 16px; height: 16px; }
.pic_469 {background:url("/Content/Images/icon.png") -288px -288px; width: 16px; height: 16px; }
.pic_470 {background:url("/Content/Images/icon.png") -304px -288px; width: 16px; height: 16px; }

对应图片：

右键下载我就可以了

现在怎么用，这个很重要了

原理：首先加载手风琴为第一级目录，再让手风琴生成动态树，再循环获取树的目录

来分析一下代码：

将原来的系统的tree位置代码替换

原来的

<div id="RightTree" style="background-color: #fff;">
            <div class="panel-loading">加载中...</div>
        </div>

替换为

<div id="RightAccordion" class="easyui-accordion" >

加入JS代码

<script>
        $(function(){
            jQuery("#RightAccordion").accordion({ //初始化accordion
                fillSpace:true,
                fit:true,
                border:false,
                animate:false  
            });
            $.post("/@info/Home/GetTreeByEasyui", { "id": "0" }, //获取第一层目录
               function (data) {
                   if (data == "0") {
                       window.location = "/Account";
                   }
                   $.each(data, function (i, e) {//循环创建手风琴的项
                       var id = e.id;
                       $('#RightAccordion').accordion('add', {
                           title: e.text,
                           content: "<ul id='tree"+id+"' ></ul>",
                           selected: true,
                           iconCls:e.iconCls//e.Icon
                       });
                       $.parser.parse();
                       $.post("/@info/Home/GetTreeByEasyui?id="+id,  function(data) {//循环创建树的项
                           $("#tree" + id).tree({
                               data: data,
                               onBeforeExpand:function(node,param){  
                                   $("#tree" + id).tree('options').url = "/@info/Home/GetTreeByEasyui?id=" + node.id;
                               },   
                               onClick : function(node){  
                                   if (node.state == 'closed'){  
                                       $(this).tree('expand', node.target);  
                                   }else if (node.state == 'open'){  
                                       $(this).tree('collapse', node.target);  
                                   }else{
                                       var tabTitle = node.text;
                                       var url = "../../" + node.attributes;
                                       var icon = node.iconCls;
                                       addTab(tabTitle, url, icon);
                                   }
                               }
                           });
                       }, 'json');
                   });
               }, "json");
        });
    </script>

全面异步，JS已经非常清楚的展现

其中$.parser.parse();是再次加载Easyui

 后台MVC代码

        /// <summary>
        /// 获取导航菜单
        /// </summary>
        /// <param name="id">所属</param>
        /// <returns>树</returns>
        public JsonResult GetTreeByEasyui(string id)
        {
            //加入本地化
            CultureInfo info = Thread.CurrentThread.CurrentCulture;
            string infoName = info.Name;
            if (Session["Account"] != null)
            {
                //加入本地化
                AccountModel account = (AccountModel)Session["Account"];
                List<SysModuleModel> list = homeBLL.GetMenuByPersonId(account.Id, id);
                var json = from r in list
                           select new SysModuleNavModel()
                           {
                               id = r.Id,
                               text = infoName.IndexOf("zh") > -1 || infoName == "" ? r.Name :r.EnglishName,     //text
                               attributes = (infoName.IndexOf("zh") > -1 || infoName == "" ? "zh-CN" : "en-US") + "/" + r.Url,
                               iconCls = r.Iconic,
                               state = (m_BLL.GetList(r.Id).Count > 0) ? "closed" : "open"
                               
                           };


                return Json(json);
            }
            else
            {
                return Json("0", JsonRequestBehavior.AllowGet);
            }
        }

 public class SysModuleNavModel
    {
        public string id { get; set; }
        public string text { get; set; }
        public string iconCls { get; set; }
        public string attributes { get; set; }
        public string state { get; set; }
        public List<SysModuleNavModel> children { get; set; }
    }

目前已经完工，非常漂亮的一次转换。

也完美的支持了英文版本，其实2个是可以并存的，有的用户比较喜欢tree，因为很直观，只是比较丑陋，这个设置应该让用户去自动选择

注：补充一个经常被问到的问题。关于菜单图标不显示，还是原来的图标问题，这是由于你引入CSS的先后顺序问题导致的，请注意引用的先后