修改BUG：字典表数据未保护，限制为仅Administrators成员可删除字典数据

Bootstrap.Admin/Bootstrap.Admin.csproj

@@ -142,6 +142,8 @@
     <Content Include="Content\js\bootstrap-datetimepicker.js" />
     <Content Include="Content\js\bootstrap-select.js" />
     <Content Include="Content\js\bootstrap-select.min.js" />
+    <Content Include="Content\js\bootstrap3-typeahead.js" />
+    <Content Include="Content\js\bootstrap3-typeahead.min.js" />
     <Content Include="Content\js\defaults-zh_CN.js" />
     <Content Include="Content\js\defaults-zh_CN.min.js" />
     <Content Include="Content\js\fileinput.js" />

Bootstrap.Admin/Content/css/admin-responsive.css

@@ -86,6 +86,12 @@
         }
 }
 
+@media (max-width: 374px) {
+    .hidden-400 {
+        display: none;
+    }
+}
+
 @media (min-height: 672px) {
     #sidebar {
         padding-top: 94px;

Bootstrap.Admin/Content/js/bootstrap3-typeahead.js

@@ -0,0 +1,584 @@
+/* =============================================================
+ * bootstrap3-typeahead.js v4.0.2
+ * https://github.com/bassjobsen/Bootstrap-3-Typeahead
+ * =============================================================
+ * Original written by @mdo and @fat
+ * =============================================================
+ * Copyright 2014 Bass Jobsen @bassjobsen
+ *
+ * Licensed under the Apache License, Version 2.0 (the 'License');
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an 'AS IS' BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============================================================ */
+
+
+(function (root, factory) {
+
+  'use strict';
+
+  // CommonJS module is defined
+  if (typeof module !== 'undefined' && module.exports) {
+    module.exports = factory(require('jquery'));
+  }
+  // AMD module is defined
+  else if (typeof define === 'function' && define.amd) {
+    define(['jquery'], function ($) {
+      return factory ($);
+    });
+  } else {
+    factory(root.jQuery);
+  }
+
+}(this, function ($) {
+
+  'use strict';
+  // jshint laxcomma: true
+
+
+ /* TYPEAHEAD PUBLIC CLASS DEFINITION
+  * ================================= */
+
+  var Typeahead = function (element, options) {
+    this.$element = $(element);
+    this.options = $.extend({}, Typeahead.defaults, options);
+    this.matcher = this.options.matcher || this.matcher;
+    this.sorter = this.options.sorter || this.sorter;
+    this.select = this.options.select || this.select;
+    this.autoSelect = typeof this.options.autoSelect == 'boolean' ? this.options.autoSelect : true;
+    this.highlighter = this.options.highlighter || this.highlighter;
+    this.render = this.options.render || this.render;
+    this.updater = this.options.updater || this.updater;
+    this.displayText = this.options.displayText || this.displayText;
+    this.source = this.options.source;
+    this.delay = this.options.delay;
+    this.$menu = $(this.options.menu);
+    this.$appendTo = this.options.appendTo ? $(this.options.appendTo) : null;
+    this.fitToElement = typeof this.options.fitToElement == 'boolean' ? this.options.fitToElement : false;
+    this.shown = false;
+    this.listen();
+    this.showHintOnFocus = typeof this.options.showHintOnFocus == 'boolean' || this.options.showHintOnFocus === "all" ? this.options.showHintOnFocus : false;
+    this.afterSelect = this.options.afterSelect;
+    this.addItem = false;
+    this.value = this.$element.val() || this.$element.text();
+  };
+
+  Typeahead.prototype = {
+
+    constructor: Typeahead,
+
+    select: function () {
+      var val = this.$menu.find('.active').data('value');
+      this.$element.data('active', val);
+      if (this.autoSelect || val) {
+        var newVal = this.updater(val);
+        // Updater can be set to any random functions via "options" parameter in constructor above.
+        // Add null check for cases when updater returns void or undefined.
+        if (!newVal) {
+          newVal = '';
+        }
+        this.$element
+          .val(this.displayText(newVal) || newVal)
+          .text(this.displayText(newVal) || newVal)
+          .change();
+        this.afterSelect(newVal);
+      }
+      return this.hide();
+    },
+
+    updater: function (item) {
+      return item;
+    },
+
+    setSource: function (source) {
+      this.source = source;
+    },
+
+    show: function () {
+      var pos = $.extend({}, this.$element.position(), {
+        height: this.$element[0].offsetHeight
+      });
+
+      var scrollHeight = typeof this.options.scrollHeight == 'function' ?
+          this.options.scrollHeight.call() :
+          this.options.scrollHeight;
+
+      var element;
+      if (this.shown) {
+        element = this.$menu;
+      } else if (this.$appendTo) {
+        element = this.$menu.appendTo(this.$appendTo);
+        this.hasSameParent = this.$appendTo.is(this.$element.parent());
+      } else {
+        element = this.$menu.insertAfter(this.$element);
+        this.hasSameParent = true;
+      }      
+      
+      if (!this.hasSameParent) {
+          // We cannot rely on the element position, need to position relative to the window
+          element.css("position", "fixed");
+          var offset = this.$element.offset();
+          pos.top =  offset.top;
+          pos.left = offset.left;
+      }
+      // The rules for bootstrap are: 'dropup' in the parent and 'dropdown-menu-right' in the element.
+      // Note that to get right alignment, you'll need to specify `menu` in the options to be:
+      // '<ul class="typeahead dropdown-menu" role="listbox"></ul>'
+      var dropup = $(element).parent().hasClass('dropup');
+      var newTop = dropup ? 'auto' : (pos.top + pos.height + scrollHeight);
+      var right = $(element).hasClass('dropdown-menu-right');
+      var newLeft = right ? 'auto' : pos.left;
+      // it seems like setting the css is a bad idea (just let Bootstrap do it), but I'll keep the old
+      // logic in place except for the dropup/right-align cases.
+      element.css({ top: newTop, left: newLeft }).show();
+
+      if (this.options.fitToElement === true) {
+          element.css("width", this.$element.outerWidth() + "px");
+      }
+    
+      this.shown = true;
+      return this;
+    },
+
+    hide: function () {
+      this.$menu.hide();
+      this.shown = false;
+      return this;
+    },
+
+    lookup: function (query) {
+      var items;
+      if (typeof(query) != 'undefined' && query !== null) {
+        this.query = query;
+      } else {
+        this.query = this.$element.val() || this.$element.text() || '';
+      }
+
+      if (this.query.length < this.options.minLength && !this.options.showHintOnFocus) {
+        return this.shown ? this.hide() : this;
+      }
+
+      var worker = $.proxy(function () {
+
+        if ($.isFunction(this.source)) {
+          this.source(this.query, $.proxy(this.process, this));
+        } else if (this.source) {
+          this.process(this.source);
+        }
+      }, this);
+
+      clearTimeout(this.lookupWorker);
+      this.lookupWorker = setTimeout(worker, this.delay);
+    },
+
+    process: function (items) {
+      var that = this;
+
+      items = $.grep(items, function (item) {
+        return that.matcher(item);
+      });
+
+      items = this.sorter(items);
+
+      if (!items.length && !this.options.addItem) {
+        return this.shown ? this.hide() : this;
+      }
+
+      if (items.length > 0) {
+        this.$element.data('active', items[0]);
+      } else {
+        this.$element.data('active', null);
+      }
+
+      // Add item
+      if (this.options.addItem){
+        items.push(this.options.addItem);
+      }
+
+      if (this.options.items == 'all') {
+        return this.render(items).show();
+      } else {
+        return this.render(items.slice(0, this.options.items)).show();
+      }
+    },
+
+    matcher: function (item) {
+      var it = this.displayText(item);
+      return ~it.toLowerCase().indexOf(this.query.toLowerCase());
+    },
+
+    sorter: function (items) {
+      var beginswith = [];
+      var caseSensitive = [];
+      var caseInsensitive = [];
+      var item;
+
+      while ((item = items.shift())) {
+        var it = this.displayText(item);
+        if (!it.toLowerCase().indexOf(this.query.toLowerCase())) beginswith.push(item);
+        else if (~it.indexOf(this.query)) caseSensitive.push(item);
+        else caseInsensitive.push(item);
+      }
+
+      return beginswith.concat(caseSensitive, caseInsensitive);
+    },
+
+    highlighter: function (item) {
+      var html = $('<div></div>');
+      var query = this.query;
+      var i = item.toLowerCase().indexOf(query.toLowerCase());
+      var len = query.length;
+      var leftPart;
+      var middlePart;
+      var rightPart;
+      var strong;
+      if (len === 0) {
+        return html.text(item).html();
+      }
+      while (i > -1) {
+        leftPart = item.substr(0, i);
+        middlePart = item.substr(i, len);
+        rightPart = item.substr(i + len);
+        strong = $('<strong></strong>').text(middlePart);
+        html
+          .append(document.createTextNode(leftPart))
+          .append(strong);
+        item = rightPart;
+        i = item.toLowerCase().indexOf(query.toLowerCase());
+      }
+      return html.append(document.createTextNode(item)).html();
+    },
+
+    render: function (items) {
+      var that = this;
+      var self = this;
+      var activeFound = false;
+      var data = [];
+      var _category = that.options.separator;
+
+      $.each(items, function (key,value) {
+        // inject separator
+        if (key > 0 && value[_category] !== items[key - 1][_category]){
+          data.push({
+            __type: 'divider'
+          });
+        }
+
+        // inject category header
+        if (value[_category] && (key === 0 || value[_category] !== items[key - 1][_category])){
+          data.push({
+            __type: 'category',
+            name: value[_category]
+          });
+        }
+        data.push(value);
+      });
+
+      items = $(data).map(function (i, item) {
+        if ((item.__type || false) == 'category'){
+          return $(that.options.headerHtml).text(item.name)[0];
+        }
+
+        if ((item.__type || false) == 'divider'){
+          return $(that.options.headerDivider)[0];
+        }
+
+        var text = self.displayText(item);
+        i = $(that.options.item).data('value', item);
+        i.find('a').html(that.highlighter(text, item));
+        if (text == self.$element.val()) {
+          i.addClass('active');
+          self.$element.data('active', item);
+          activeFound = true;
+        }
+        return i[0];
+      });
+
+      if (this.autoSelect && !activeFound) {
+        items.filter(':not(.dropdown-header)').first().addClass('active');
+        this.$element.data('active', items.first().data('value'));
+      }
+      this.$menu.html(items);
+      return this;
+    },
+
+    displayText: function (item) {
+      return typeof item !== 'undefined' && typeof item.name != 'undefined' ? item.name : item;
+    },
+
+    next: function (event) {
+      var active = this.$menu.find('.active').removeClass('active');
+      var next = active.next();
+
+      if (!next.length) {
+        next = $(this.$menu.find('li')[0]);
+      }
+
+      next.addClass('active');
+    },
+
+    prev: function (event) {
+      var active = this.$menu.find('.active').removeClass('active');
+      var prev = active.prev();
+
+      if (!prev.length) {
+        prev = this.$menu.find('li').last();
+      }
+
+      prev.addClass('active');
+    },
+
+    listen: function () {
+      this.$element
+        .on('focus',    $.proxy(this.focus, this))
+        .on('blur',     $.proxy(this.blur, this))
+        .on('keypress', $.proxy(this.keypress, this))
+        .on('input',    $.proxy(this.input, this))
+        .on('keyup',    $.proxy(this.keyup, this));
+
+      if (this.eventSupported('keydown')) {
+        this.$element.on('keydown', $.proxy(this.keydown, this));
+      }
+
+      this.$menu
+        .on('click', $.proxy(this.click, this))
+        .on('mouseenter', 'li', $.proxy(this.mouseenter, this))
+        .on('mouseleave', 'li', $.proxy(this.mouseleave, this))
+        .on('mousedown', $.proxy(this.mousedown,this));
+    },
+
+    destroy : function () {
+      this.$element.data('typeahead',null);
+      this.$element.data('active',null);
+      this.$element
+        .off('focus')
+        .off('blur')
+        .off('keypress')
+        .off('input')
+        .off('keyup');
+
+      if (this.eventSupported('keydown')) {
+        this.$element.off('keydown');
+      }
+
+      this.$menu.remove();
+      this.destroyed = true;
+    },
+
+    eventSupported: function (eventName) {
+      var isSupported = eventName in this.$element;
+      if (!isSupported) {
+        this.$element.setAttribute(eventName, 'return;');
+        isSupported = typeof this.$element[eventName] === 'function';
+      }
+      return isSupported;
+    },
+
+    move: function (e) {
+      if (!this.shown) return;
+
+      switch (e.keyCode) {
+        case 9: // tab
+        case 13: // enter
+        case 27: // escape
+          e.preventDefault();
+          break;
+
+        case 38: // up arrow
+          // with the shiftKey (this is actually the left parenthesis)
+          if (e.shiftKey) return;
+          e.preventDefault();
+          this.prev();
+          break;
+
+        case 40: // down arrow
+          // with the shiftKey (this is actually the right parenthesis)
+          if (e.shiftKey) return;
+          e.preventDefault();
+          this.next();
+          break;
+      }
+    },
+
+    keydown: function (e) {
+      this.suppressKeyPressRepeat = ~$.inArray(e.keyCode, [40,38,9,13,27]);
+      if (!this.shown && e.keyCode == 40) {
+        this.lookup();
+      } else {
+        this.move(e);
+      }
+    },
+
+    keypress: function (e) {
+      if (this.suppressKeyPressRepeat) return;
+      this.move(e);
+    },
+
+    input: function (e) {
+      // This is a fixed for IE10/11 that fires the input event when a placehoder is changed
+      // (https://connect.microsoft.com/IE/feedback/details/810538/ie-11-fires-input-event-on-focus)
+      var currentValue = this.$element.val() || this.$element.text();
+      if (this.value !== currentValue) {
+        this.value = currentValue;
+        this.lookup();
+      }
+    },
+
+    keyup: function (e) {
+      if (this.destroyed) {
+        return;
+      }
+      switch (e.keyCode) {
+        case 40: // down arrow
+        case 38: // up arrow
+        case 16: // shift
+        case 17: // ctrl
+        case 18: // alt
+          break;
+
+        case 9: // tab
+        case 13: // enter
+          if (!this.shown) return;
+          this.select();
+          break;
+
+        case 27: // escape
+          if (!this.shown) return;
+          this.hide();
+          break;
+      }
+
+
+    },
+
+    focus: function (e) {
+      if (!this.focused) {
+        this.focused = true;
+        if (this.options.showHintOnFocus && this.skipShowHintOnFocus !== true) {
+          if(this.options.showHintOnFocus === "all") {
+            this.lookup(""); 
+          } else {
+            this.lookup();
+          }
+        }
+      }
+      if (this.skipShowHintOnFocus) {
+        this.skipShowHintOnFocus = false;
+      }
+    },
+
+    blur: function (e) {
+      if (!this.mousedover && !this.mouseddown && this.shown) {
+        this.hide();
+        this.focused = false;
+      } else if (this.mouseddown) {
+        // This is for IE that blurs the input when user clicks on scroll.
+        // We set the focus back on the input and prevent the lookup to occur again
+        this.skipShowHintOnFocus = true;
+        this.$element.focus();
+        this.mouseddown = false;
+      } 
+    },
+
+    click: function (e) {
+      e.preventDefault();
+      this.skipShowHintOnFocus = true;
+      this.select();
+      this.$element.focus();
+      this.hide();
+    },
+
+    mouseenter: function (e) {
+      this.mousedover = true;
+      this.$menu.find('.active').removeClass('active');
+      $(e.currentTarget).addClass('active');
+    },
+
+    mouseleave: function (e) {
+      this.mousedover = false;
+      if (!this.focused && this.shown) this.hide();
+    },
+
+   /**
+     * We track the mousedown for IE. When clicking on the menu scrollbar, IE makes the input blur thus hiding the menu.
+     */
+    mousedown: function (e) {
+      this.mouseddown = true;
+      this.$menu.one("mouseup", function(e){
+        // IE won't fire this, but FF and Chrome will so we reset our flag for them here
+        this.mouseddown = false;
+      }.bind(this));
+    },
+
+  };
+
+
+  /* TYPEAHEAD PLUGIN DEFINITION
+   * =========================== */
+
+  var old = $.fn.typeahead;
+
+  $.fn.typeahead = function (option) {
+    var arg = arguments;
+    if (typeof option == 'string' && option == 'getActive') {
+      return this.data('active');
+    }
+    return this.each(function () {
+      var $this = $(this);
+      var data = $this.data('typeahead');
+      var options = typeof option == 'object' && option;
+      if (!data) $this.data('typeahead', (data = new Typeahead(this, options)));
+      if (typeof option == 'string' && data[option]) {
+        if (arg.length > 1) {
+          data[option].apply(data, Array.prototype.slice.call(arg, 1));
+        } else {
+          data[option]();
+        }
+      }
+    });
+  };
+
+  Typeahead.defaults = {
+    source: [],
+    items: 8,
+    menu: '<ul class="typeahead dropdown-menu" role="listbox"></ul>',
+    item: '<li><a class="dropdown-item" href="#" role="option"></a></li>',
+    minLength: 1,
+    scrollHeight: 0,
+    autoSelect: true,
+    afterSelect: $.noop,
+    addItem: false,
+    delay: 0,
+    separator: 'category',
+    headerHtml: '<li class="dropdown-header"></li>',
+    headerDivider: '<li class="divider" role="separator"></li>'
+  };
+
+  $.fn.typeahead.Constructor = Typeahead;
+
+ /* TYPEAHEAD NO CONFLICT
+  * =================== */
+
+  $.fn.typeahead.noConflict = function () {
+    $.fn.typeahead = old;
+    return this;
+  };
+
+
+ /* TYPEAHEAD DATA-API
+  * ================== */
+
+  $(document).on('focus.typeahead.data-api', '[data-provide="typeahead"]', function (e) {
+    var $this = $(this);
+    if ($this.data('typeahead')) return;
+    $this.typeahead($this.data());
+  });
+
+}));

Bootstrap.Admin/Content/js/framework.js

@@ -160,7 +160,16 @@
                             data: { "": iDs },
                             type: 'DELETE',
                             success: function (result) {
-                                if (result) { swal("成功！", "删除数据", "success"); $(options.bootstrapTable).bootstrapTable('refresh'); }
+                                if (result) {
+                                    if ($.isPlainObject(result)) {
+                                        var info = result.result ? "success" : "error";
+                                        var msg = result.msg
+                                        swal(msg, "删除数据", info);
+                                        result = result.result;
+                                    }
+                                    else swal("成功", "删除数据", "success");
+                                    if (result) $(options.bootstrapTable).bootstrapTable('refresh');
+                                }
                                 else swal("失败", "删除数据", "error");
                                 handlerCallback.call(that, callback, e, { oper: 'del', success: !!result, data: iDs });
                             },
@@ -421,4 +430,12 @@
     Exceptions.getFileByName = function (fileName, callback) {
         processData.call(this, { Id: "", callback: callback, method: "PUT", swal: false, data: { "": fileName } });
     }
+
+    // Dicts
+    Dicts = {
+        url: '../api/Dicts/'
+    }
+    Dicts.retrieveCategories = function (callback) {
+        processData.call(this, { Id: 1, callback: callback, swal: false, data: { type: 'category' } });
+    }
 })(jQuery);

Bootstrap.Admin/Controllers/DictsController.cs

@@ -1,5 +1,8 @@
 using Bootstrap.Admin.Models;
 using Bootstrap.DataAccess;
+using Longbow.Security.Principal;
+using Newtonsoft.Json.Linq;
+using System.Collections.Generic;
 using System.Linq;
 using System.Web.Http;
 
@@ -39,11 +42,32 @@ namespace Bootstrap.Admin.Controllers
         /// <summary>
         /// 
         /// </summary>
+        /// <returns></returns>
+        [HttpPost]
+        public IEnumerable<string> Post(int id, [FromBody]JObject value)
+        {
+            var ret = new List<string>();
+            dynamic json = value;
+            switch ((string)json.type)
+            {
+                case "category":
+                    ret = DictHelper.RetrieveCategories().ToList();
+                    break;
+                default:
+                    break;
+            }
+            return ret;
+        }
+        /// <summary>
+        /// 
+        /// </summary>
         /// <param name="id"></param>
         [HttpDelete]
-        public bool Delete([FromBody]string value)
+        public dynamic Delete([FromBody]string value)
         {
-            return DictHelper.DeleteDict(value);
+            if (!LgbPrincipal.IsAdmin(User.Identity.Name) && !User.IsInRole("Administrators")) return new { result = false, msg = "当前用户权限不够" };
+            var result = DictHelper.DeleteDict(value);
+            return new { result = result, msg = result ? "成功！" : "失败" };
         }
     }
 }

Bootstrap.Admin/Scripts/Dicts.js

@@ -1,4 +1,5 @@
 $(function () {
+    $('#panelResultHeader').html('查询结果<span class="hidden-400 text-danger">（仅 Administrators 角色成员可删除数据）<span>');
     var bsa = new BootstrapAdmin({
         url: '../api/Dicts',
         dataEntity: new DataEntity({
@@ -13,13 +14,13 @@
     });
 
     $('table').smartTable({
-        url: '../api/Dicts',            //请求后台的URL（*）
+        url: '../api/Dicts',
         sortName: 'Category',
         queryParams: function (params) { return $.extend(params, { category: $('#txt_dict_cate').val(), name: $("#txt_dict_name").val(), define: $("#txt_dict_define").val() }); },
         columns: [{ checkbox: true },
             { title: "Id", field: "ID", events: bsa.idEvents(), formatter: BootstrapAdmin.idFormatter },
             { title: "字典分项", field: "Category", sortable: true },
-            { title: "字典名称", field: "Name", sortable: true },
+            { title: "字典名称", field: "Name", sortable: false },
             { title: "字典代码", field: "Code", sortable: false },
             { title: "字典类别", field: "DefineName", sortable: true }
         ]
@@ -46,4 +47,12 @@
     });
     // select
     $('select').selectpicker();
+
+    // autocomplete
+    Dicts.retrieveCategories(function (result) {
+        $('#txt_dict_cate').typeahead({
+            source: result,
+            autoSelect: true
+        });
+    });
 });

Bootstrap.Admin/Views/Admin/Dicts.cshtml

@@ -4,6 +4,7 @@
     Layout = "~/Views/Shared/_Default.cshtml";
 }
 @section Javascript {
+    <script src="~/Content/js/bootstrap3-typeahead.js"></script>
     <script src="~/scripts/Dicts.js"></script>
 }
 @section header {
@@ -17,7 +18,7 @@
         <div class="row">
             <div class="form-group col-lg-3">
                 <label class="control-label" for="txt_dict_cate">字典分项</label>
-                <input type="text" class="form-control" id="txt_dict_cate" />
+                <input type="text" class="form-control" id="txt_dict_cate" data-provide="typeahead" />
             </div>
             <div class="form-group col-lg-3">
                 <label class="control-label" for="txt_dict_name">字典名称</label>

Bootstrap.Admin/Views/Shared/_Default.cshtml

@@ -60,8 +60,8 @@
 </button>
     @RenderSection("toolbar", false)
 </div>
-<div class="panel panel-default">
+<div id="panelResult" class="panel panel-default">
-    <div class="panel-heading">
+    <div id="panelResultHeader" class="panel-heading">
         查询结果
     </div>
     <div class="panel-body">

Bootstrap.Admin/Web.config

@@ -43,6 +43,7 @@
     <add key="DictHelper-RetrieveDicts" interval="600" desc="所有字典数据缓存"/>
     <add key="DictHelper-RetrieveDictsWebSettings" interval="600" desc="网站配置数据缓存"/>
     <add key="DictHelper-RetrieveDictsIconPathSettings" interval="600" desc="网站头像目录缓存"/>
+    <add key="DictHelper-RetrieveDictsCategory" interval="6000" desc="字典分类数据缓存" />
     <add key="NotificationHelper-RetrieveNotifications" interval="600" desc="通知管理数据缓存"/>
     <add key="UserHelper-RetrieveNewUsers" interval="300" desc="新用户数据缓存" />
     <add key="ExceptionHelper-RetrieveExceptions" interval="600" desc="程序异常数据缓存"/>

Bootstrap.DataAccess/DictHelper.cs

@@ -15,6 +15,7 @@ namespace Bootstrap.DataAccess
         internal const string RetrieveDictsDataKey = "DictHelper-RetrieveDicts";
         internal const string RetrieveWebSettingsDataKey = "DictHelper-RetrieveDictsWebSettings";
         internal const string RetrieveIconPathSettingsDataKey = "DictHelper-RetrieveDictsIconPathSettings";
+        internal const string RetrieveCategoryDataKey = "DictHelper-RetrieveDictsCategory";
         /// <summary>
         /// 查询所有字典信息
         /// </summary>
@@ -218,5 +219,30 @@ namespace Bootstrap.DataAccess
                 return dict;
             }, CacheSection.RetrieveDescByKey(RetrieveIconPathSettingsDataKey));
         }
+        /// <summary>
+        /// 获取字典分类名称
+        /// </summary>
+        /// <returns></returns>
+        public static IEnumerable<string> RetrieveCategories()
+        {
+            return CacheManager.GetOrAdd(RetrieveCategoryDataKey, CacheSection.RetrieveIntervalByKey(RetrieveCategoryDataKey), key =>
+            {
+                var ret = new List<string>();
+                string sql = "select distinct Category from Dicts";
+                DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql);
+                try
+                {
+                    using (DbDataReader reader = DBAccessManager.SqlDBAccess.ExecuteReader(cmd))
+                    {
+                        while (reader.Read())
+                        {
+                            ret.Add((string)reader[0]);
+                        }
+                    }
+                }
+                catch (Exception ex) { ExceptionManager.Publish(ex); }
+                return ret;
+            }, CacheSection.RetrieveDescByKey(RetrieveCategoryDataKey));
+        }
     }
 }