1. 数据准备
    ExpandedBlockStart.gif
      1 using System.Collections.Generic;
      2 using System.Linq;
      3 
      4 namespace FourLevelDemo.Services
      5 {
      6     public class CategoryService
      7     {
      8         private static List<Category> GetCategories()
      9         {
     10             return new List<Category>(new[]
     11             {
     12                 new Category
     13                 {
     14                     CateId = 1,
     15                     CateName = "A1",
     16                     Depth = 1,
     17                     ParentId = 0,
     18                     SubCategories = new List<Category>(new[]
     19                     {
     20                         new Category
     21                         {
     22                             CateId = 101,
     23                             CateName = "A101",
     24                             Depth = 2,
     25                             ParentId = 1,
     26                             SubCategories = new List<Category>(new[]
     27                             {
     28                                 new Category
     29                                 {
     30                                     CateId = 10101,
     31                                     Depth = 3,
     32                                     CateName = "A10101",
     33                                     ParentId = 101,
     34                                     SubCategories = new List<Category>(new[]
     35                                     {
     36                                         new Category
     37                                         {
     38                                             CateId = 1010101,
     39                                             CateName = "A1010101",
     40                                             Depth = 4,
     41                                             ParentId = 10101,
     42                                         },
     43                                         new Category
     44                                         {
     45                                             CateId = 1010102,
     46                                             CateName = "A1010102",
     47                                             Depth = 4,
     48                                             ParentId = 10101,
     49                                         },
     50                                         new Category
     51                                         {
     52                                             CateId = 1010103,
     53                                             CateName = "A1010103",
     54                                             Depth = 4,
     55                                             ParentId = 10101,
     56                                         }
     57                                     })
     58                                 },
     59                                 new Category
     60                                 {
     61                                     CateId = 10102,
     62                                     CateName = "A10102",
     63                                     Depth = 3,
     64                                     ParentId = 101,
     65                                     SubCategories = new List<Category>(new[]
     66                                     {
     67                                         new Category
     68                                         {
     69                                             CateId = 1010201,
     70                                             CateName = "A1010201",
     71                                             Depth = 4,
     72                                             ParentId = 10102,
     73                                         },
     74                                         new Category
     75                                         {
     76                                             CateId = 1010202,
     77                                             CateName = "A1010202",
     78                                             Depth = 4,
     79                                             ParentId = 10102,
     80                                         },
     81                                         new Category
     82                                         {
     83                                             CateId = 1010203,
     84                                             CateName = "A1010203",
     85                                             Depth = 4,
     86                                             ParentId = 10102,
     87                                         }
     88                                     })
     89                                 },
     90                                 new Category
     91                                 {
     92                                     CateId = 10103,
     93                                     CateName = "A10103",
     94                                     Depth = 3,
     95                                     ParentId = 101,
     96                                     SubCategories = new List<Category>(new[]
     97                                     {
     98                                         new Category
     99                                         {
    100                                             CateId = 1010301,
    101                                             CateName = "A1010301",
    102                                             Depth = 4,
    103                                             ParentId = 10103,
    104                                         },
    105                                         new Category
    106                                         {
    107                                             CateId = 1010302,
    108                                             CateName = "A1010302",
    109                                             Depth = 4,
    110                                             ParentId = 10103,
    111                                         },
    112                                         new Category
    113                                         {
    114                                             CateId = 1010303,
    115                                             CateName = "A1010303",
    116                                             Depth = 4,
    117                                             ParentId = 10103,
    118                                         }
    119                                     })
    120                                 }
    121                             })
    122                         },
    123                         new Category
    124                         {
    125                             CateId = 102,
    126                             CateName = "A102",
    127                             Depth = 2,
    128                             ParentId = 1,
    129                             SubCategories = new List<Category>(new[]
    130                             {
    131                                 new Category
    132                                 {
    133                                     CateId = 10201,
    134                                     CateName = "A10201",
    135                                     Depth = 3,
    136                                     ParentId = 102,
    137                                     SubCategories = new List<Category>(new[]
    138                                     {
    139                                         new Category
    140                                         {
    141                                             CateId = 1020101,
    142                                             CateName = "A1020101",
    143                                             Depth = 4,
    144                                             ParentId = 10201,
    145                                         },
    146                                         new Category
    147                                         {
    148                                             CateId = 1020102,
    149                                             CateName = "A1020102",
    150                                             Depth = 4,
    151                                             ParentId = 10201,
    152                                         },
    153                                         new Category
    154                                         {
    155                                             CateId = 1020103,
    156                                             CateName = "A1020103",
    157                                             Depth = 4,
    158                                             ParentId = 10201,
    159                                         }
    160                                     })
    161                                 },
    162                                 new Category
    163                                 {
    164                                     CateId = 10202,
    165                                     CateName = "A10202",
    166                                     Depth = 3,
    167                                     ParentId = 102,
    168                                     SubCategories = new List<Category>(new[]
    169                                     {
    170                                         new Category
    171                                         {
    172                                             CateId = 1020201,
    173                                             CateName = "A1020201",
    174                                             Depth = 4,
    175                                             ParentId = 10202,
    176                                         },
    177                                         new Category
    178                                         {
    179                                             CateId = 1020202,
    180                                             CateName = "A1020202",
    181                                             Depth = 4,
    182                                             ParentId = 10202,
    183                                         },
    184                                         new Category
    185                                         {
    186                                             CateId = 1020203,
    187                                             CateName = "A1020203",
    188                                             Depth = 4,
    189                                             ParentId = 10202,
    190                                         }
    191                                     })
    192                                 },
    193                                 new Category
    194                                 {
    195                                     CateId = 10203,
    196                                     CateName = "A10203",
    197                                     Depth = 3,
    198                                     ParentId = 102,
    199                                     SubCategories = new List<Category>(new[]
    200                                     {
    201                                         new Category
    202                                         {
    203                                             CateId = 1020301,
    204                                             CateName = "A1020301",
    205                                             Depth = 4,
    206                                             ParentId = 10203,
    207                                         },
    208                                         new Category
    209                                         {
    210                                             CateId = 1020302,
    211                                             CateName = "A1020302",
    212                                             Depth = 4,
    213                                             ParentId = 10203,
    214                                         },
    215                                         new Category
    216                                         {
    217                                             CateId = 1020303,
    218                                             CateName = "A1020303",
    219                                             Depth = 4,
    220                                             ParentId = 10203,
    221                                         }
    222                                     })
    223                                 }
    224                             })
    225                         }
    226                     })
    227                 },
    228                 new Category
    229                 {
    230                     CateId = 2,
    231                     CateName = "A2",
    232                     Depth = 1,
    233                     ParentId = 0,
    234                     SubCategories = new List<Category>(new[]
    235                     {
    236                         new Category
    237                         {
    238                             CateId = 201,
    239                             CateName = "A201",
    240                             Depth = 2,
    241                             ParentId = 2,
    242                             SubCategories = new List<Category>(new[]
    243                             {
    244                                 new Category
    245                                 {
    246                                     CateId = 20101,
    247                                     CateName = "A20101",
    248                                     Depth = 3,
    249                                     ParentId = 201,
    250                                     SubCategories = new List<Category>(new[]
    251                                     {
    252                                         new Category
    253                                         {
    254                                             CateId = 2010101,
    255                                             CateName = "A2010101",
    256                                             Depth = 4,
    257                                             ParentId = 20101,
    258                                         },
    259                                         new Category
    260                                         {
    261                                             CateId = 2010102,
    262                                             CateName = "A2010102",
    263                                             Depth = 4,
    264                                             ParentId = 20101,
    265                                         },
    266                                         new Category
    267                                         {
    268                                             CateId = 2010103,
    269                                             CateName = "A2010103",
    270                                             Depth = 4,
    271                                             ParentId = 20101,
    272                                         }
    273                                     })
    274                                 },
    275                                 new Category
    276                                 {
    277                                     CateId = 20102,
    278                                     CateName = "A20102",
    279                                     Depth = 3,
    280                                     ParentId = 201,
    281                                     SubCategories = new List<Category>(new[]
    282                                     {
    283                                         new Category
    284                                         {
    285                                             CateId = 2010201,
    286                                             CateName = "A2010201",
    287                                             Depth = 4,
    288                                             ParentId = 20102,
    289                                         },
    290                                         new Category
    291                                         {
    292                                             CateId = 2010202,
    293                                             CateName = "A2010202",
    294                                             Depth = 4,
    295                                             ParentId = 20102,
    296                                         },
    297                                         new Category
    298                                         {
    299                                             CateId = 2010203,
    300                                             CateName = "A2010203",
    301                                             Depth = 4,
    302                                             ParentId = 20102,
    303                                         }
    304                                     })
    305                                 },
    306                                 new Category
    307                                 {
    308                                     CateId = 20103,
    309                                     CateName = "A20103",
    310                                     Depth = 3,
    311                                     ParentId = 201,
    312                                     SubCategories = new List<Category>(new[]
    313                                     {
    314                                         new Category
    315                                         {
    316                                             CateId = 2010301,
    317                                             CateName = "A2010301",
    318                                             Depth = 4,
    319                                             ParentId = 20103,
    320                                         },
    321                                         new Category
    322                                         {
    323                                             CateId = 2010302,
    324                                             CateName = "A2010302",
    325                                             Depth = 4,
    326                                             ParentId = 20103,
    327                                         },
    328                                         new Category
    329                                         {
    330                                             CateId = 2010303,
    331                                             CateName = "A2010303",
    332                                             Depth = 4,
    333                                             ParentId = 20103,
    334                                         }
    335                                     })
    336                                 }
    337                             })
    338                         },
    339                         new Category
    340                         {
    341                             CateId = 202,
    342                             CateName = "A202",
    343                             Depth = 2,
    344                             ParentId = 2,
    345                             SubCategories = new List<Category>(new[]
    346                             {
    347                                 new Category
    348                                 {
    349                                     CateId = 20201,
    350                                     CateName = "A20201",
    351                                     Depth = 3,
    352                                     ParentId = 202,
    353                                     SubCategories = new List<Category>(new[]
    354                                     {
    355                                         new Category
    356                                         {
    357                                             CateId = 2020101,
    358                                             CateName = "A2020101",
    359                                             Depth = 4,
    360                                             ParentId = 20201,
    361                                         },
    362                                         new Category
    363                                         {
    364                                             CateId = 2020102,
    365                                             CateName = "A2020102",
    366                                             Depth = 4,
    367                                             ParentId = 20201,
    368                                         },
    369                                         new Category
    370                                         {
    371                                             CateId = 2020103,
    372                                             CateName = "A2020103",
    373                                             Depth = 4,
    374                                             ParentId = 20201,
    375                                         }
    376                                     })
    377                                 },
    378                                 new Category
    379                                 {
    380                                     CateId = 20202,
    381                                     CateName = "A20202",
    382                                     Depth = 3,
    383                                     ParentId = 202,
    384                                     SubCategories = new List<Category>(new[]
    385                                     {
    386                                         new Category
    387                                         {
    388                                             CateId = 2020201,
    389                                             CateName = "A2020201",
    390                                             Depth = 4,
    391                                             ParentId = 20202,
    392                                         },
    393                                         new Category
    394                                         {
    395                                             CateId = 2020202,
    396                                             CateName = "A2020202",
    397                                             Depth = 4,
    398                                             ParentId = 20202,
    399                                         },
    400                                         new Category
    401                                         {
    402                                             CateId = 2020203,
    403                                             CateName = "A2020203",
    404                                             Depth = 4,
    405                                             ParentId = 20202,
    406                                         }
    407                                     })
    408                                 },
    409                                 new Category
    410                                 {
    411                                     CateId = 20203,
    412                                     CateName = "A20203",
    413                                     Depth = 3,
    414                                     ParentId = 202,
    415                                     SubCategories = new List<Category>(new[]
    416                                     {
    417                                         new Category
    418                                         {
    419                                             CateId = 2020301,
    420                                             CateName = "A2020301",
    421                                             Depth = 4,
    422                                             ParentId = 20203,
    423                                         },
    424                                         new Category
    425                                         {
    426                                             CateId = 2020302,
    427                                             CateName = "A2020302",
    428                                             Depth = 4,
    429                                             ParentId = 20203,
    430                                         },
    431                                         new Category
    432                                         {
    433                                             CateId = 2020303,
    434                                             CateName = "A2020303",
    435                                             Depth = 4,
    436                                             ParentId = 20203,
    437                                         }
    438                                     })
    439                                 }
    440                             })
    441                         }
    442                     })
    443                 }
    444             });
    445         }
    446 
    447         public static List<Category> GetCategoryList()
    448         {
    449             var categoryList = new List<Category>();
    450             var categories = GetCategories();
    451             GetCategories(categoryList, categories);
    452             return categoryList;
    453         }
    454 
    455         private static void GetCategories(List<Category> allCategories, List<Category> subcategories)
    456         {
    457             foreach (var subcategory in subcategories)
    458             {
    459                 allCategories.Add(new Category
    460                 {
    461                     CateId = subcategory.CateId,
    462                     CateName = subcategory.CateName,
    463                     Depth = subcategory.Depth,
    464                     ParentId = subcategory.ParentId
    465                 });
    466                 if (subcategory.SubCategories != null)
    467                 {
    468                     GetCategories(allCategories, subcategory.SubCategories);
    469                 }
    470 
    471             }
    472         }
    473 
    474     }
    475 
    476     public class Category
    477     {
    478         public int CateId { getset; }
    479 
    480         public int Depth { getset; }
    481 
    482         public int ParentId { getset; }
    483 
    484         public string CateName { getset; }
    485 
    486         public List<Category> SubCategories { getset; }
    487     }
    488 }
    View Code
  2. 服务准备
    ExpandedBlockStart.gif
     1 <%@ WebHandler Language="C#" Class="Handler" %>
     2 
     3 using System.Web;
     4 using FourLevelDemo.Services;
     5 using Newtonsoft.Json;
     6 
     7 public class Handler : IHttpHandler
     8 {
     9 
    10     public void ProcessRequest(HttpContext context)
    11     {
    12         var data = CategoryService.GetCategoryList();
    13         var result = JsonConvert.SerializeObject(data, Formatting.Indented, new JsonSerializerSettings
    14         {
    15             ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver()
    16         });
    17 
    18         context.Response.ContentType = "text/plain";
    19         context.Response.Write(result);
    20 
    21     }
    22 
    23     public bool IsReusable
    24     {
    25         get
    26         {
    27             return false;
    28         }
    29     }
    30 
    31 }
    View Code
  3. 界面控件处理,并引入AngularJS
    ExpandedBlockStart.gif
      1 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Default" %>
      2 
      3 <!DOCTYPE html>
      4 
      5 <html ng-app="categoryApp">
      6 <head runat="server">
      7     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
      8     <title></title>
      9     <script src="Scripts/lib/angular.min.js"></script>
     10     <script src="Scripts/lib/ui-bootstrap-1.1.1.min.js"></script>
     11     <script src="Scripts/jquery-1.10.2.js"></script>
     12     <script type="text/javascript">
     13         var app = angular.module('categoryApp', ['ui.bootstrap']);
     14         app.controller('CategoryController', ['$scope''$http', function ($scope,$http) {
     15             var getCategory = function () {
     16                 $http.get('Handler.ashx'null)
     17                     .success(function(data) {
     18                         $scope.tempCate = data;
     19                         $scope.categories = new Array(5);
     20                         $scope.c = new Array(5);
     21                         $scope.categories[1] = $scope.tempCate.filter(function(value, index, array) {
     22                             return value.depth == 1;
     23                         });
     24 
     25                         $scope.$watch('c[1]', function(newVal, oldVal) {
     26                             $scope.categories[2] = null;
     27                             $scope.categories[3] = null;
     28                             $scope.categories[4] = null;
     29                             if (newVal) {
     30                                 $("#hfCategory").val(newVal.cateId);
     31                                 $scope.categories[2] = $scope.tempCate.filter(function(value, index, array) {
     32                                     return value.depth == 2 && value.parentId == newVal.cateId;
     33                                 });
     34 
     35                             }
     36                         });
     37 
     38                         $scope.$watch('c[2]', function(newVal, oldVal) {
     39                             if (newVal) {
     40                                 $("#hfCategory").val(newVal.cateId);
     41                                 $scope.categories[3] = $scope.tempCate.filter(function(value, index, array) {
     42                                     return value.depth == 3 && value.parentId == newVal.cateId;
     43                                 });
     44                                 $scope.categories[4] = null;
     45                             }
     46                         });
     47 
     48                         $scope.$watch('c[3]', function(newVal, oldVal) {
     49                             if (newVal) {
     50                                 $("#hfCategory").val(newVal.cateId);
     51                                 $scope.categories[4] = $scope.tempCate.filter(function(value, index, array) {
     52                                     return value.depth == 4 && value.parentId == newVal.cateId;
     53                                 });
     54                             }
     55                         });
     56 
     57                         $scope.$watch('c[4]', function(newVal, oldVal) {
     58                             if (newVal) {
     59                                 $("#hfCategory").val(newVal.cateId);
     60                             }
     61                         });
     62 
     63                         if ($scope.categoryId) {
     64                             var category = $scope.tempCate.filter(function(value, index, array) {
     65                                 return value.cateId == $scope.categoryId;
     66                             })[0];
     67                             $scope.c[category.depth] = category;
     68                             var parentId = category.parentId;
     69                             for (var i = category.depth - 1; i > 0; i--) {
     70                                 var currentCate = $scope.tempCate.filter(function(value, index, array) {
     71                                     return value.cateId == parentId;
     72                                 })[0];
     73                                 parentId = currentCate.parentId;
     74                                 $scope.c[i] = currentCate;
     75                             }
     76                         }
     77                     });
     78             };
     79 
     80             var init = function () {
     81                 $scope.categoryId = <%=LoadCategoryId%>;
     82                 getCategory();
     83             };
     84 
     85             init();
     86 
     87         }]);
     88     </script>
     89 </head>
     90 <body ng-controller="CategoryController">
     91     <form id="form1" runat="server">
     92         <div class="form-group course-category">
     93             <label for="courseName" class="form-item-title">所属类目</label>
     94             <select class="form-control" id="category1" name="category1" ng-model="c[1]" ng-show="categories[1]" ng-options="category as category.cateName for category in categories[1]">
     95                 <option value="">请选择类目</option>
     96             </select>
     97             <select class="form-control" id="category2" name="category2" ng-model="c[2]" ng-show="categories[2] && categories[2][0]" ng-options="category as category.cateName for category in categories[2]">
     98                 <option value="">请选择类目</option>
     99             </select>
    100             <select class="form-control" id="category3" name="category3" ng-model="c[3]" ng-show="categories[3] && categories[3][0]" ng-options="category as category.cateName for category in categories[3]">
    101                 <option value="">请选择类目</option>
    102             </select>
    103             <select class="form-control" id="category4" name="category4" ng-model="c[4]" ng-show="categories[4] && categories[4][0]" ng-options="category as category.cateName for category in categories[4]">
    104                 <option value="">请选择类目</option>
    105             </select>
    106             <asp:HiddenField runat="server" ID="hfCategory" />
    107         </div>
    108         <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" Style="height: 21px" />
    109     </form>
    110 </body>
    111 </html>
    View Code
  4. 后台代码
    ExpandedBlockStart.gif
     1 using System;
     2 
     3 public partial class Default : System.Web.UI.Page
     4 {
     5     public int LoadCategoryId { getset; }
     6 
     7     protected void Page_Load(object sender, EventArgs e)
     8     {
     9         if (!IsPostBack)
    10         {
    11             LoadCategoryId = 1010203;
    12         }
    13     }
    14 
    15 
    16     protected void Button1_Click(object sender, EventArgs e)
    17     {
    18         Button1.Text = hfCategory.Value;
    19     }
    20 }
    View Code
  5. 说明
  • 需要引入angular.js和ui-bootstrap.js
  • AngularJS的$scope.$watch很有用
  • 借助隐藏域实现前台台数据传递
  • 源码地址

转载于:https://www.cnblogs.com/markhe/p/5627897.html

查看全文
如若内容造成侵权/违法违规/事实不符,请联系编程学习网邮箱:809451989@qq.com进行投诉反馈,一经查实,立即删除!

相关文章

  1. 产品详情页配送送信息联动的实现逻辑

    功能图如下&#xff1a; 需要实现选择运送国家时&#xff0c;相应的运送方式随着改变&#xff0c;同时运送价格也改变 后台返回的部分数据如下&#xff1a; {"jsonrpc":"2.0","id":null,"result":{"delivery_info":{"…...

    2024/4/29 8:26:52
  2. 二级联动(增删改查)

    <script>var app angular.module(myApp,[]);app.controller(myCtrl,function($scope){//模拟数据$scope.stu[{name:"张三",sex:"男",birth: new Date("1998-10-06" ),zhuzhi:"北京西二旗"},{name:"李四",sex:"女…...

    2024/4/21 14:22:35
  3. 割双眼皮眼袋肿正常吗

    ...

    2024/4/21 14:22:35
  4. 割双眼皮学生价

    ...

    2024/4/21 14:22:33
  5. 割双眼皮需要用疤克吗

    ...

    2024/4/21 14:22:32
  6. ui-router详解(二)ngRoute工具区别

    我们了解 angular.js 是一种富客户端单页面应用,所以要在一个页面呈现不同的视图,路由起到了至关重要的作用. angular.js 为我们封装好了一个路由工具 ngRoute ,它是一种靠url改变去驱动视图. angularUI 也为我们封装了一个独立的路由模块 ui-router ,它是一种靠状态 state 来驱…...

    2024/4/25 7:19:29
  7. 【VUE】VUE基础,简单整理

    整体 1 环境 推荐使用vue脚手架 低版本vue-cli&#xff1a; npm i vue-cli -gvue-cli 3.0&#xff1a; npm i vue/cli -g如果项目业务逻辑不复杂&#xff0c;建议使用3.0脚手架。 如果需要对脚手架配置进行较多修改&#xff0c;则推荐使用低版本。 然后在项目目录中创建项目…...

    2024/4/20 15:27:59
  8. 积累20180203

    TRUNCATE TABLE 在功能上与不带 WHERE 子句的 DELETE 语句相同&#xff1a;二者均删除表中的全部行。但 TRUNCATE TABLE 比 DELETE 速度快&#xff0c;且使用的系统和事务日志资源少。 DELETE 语句每次删除一行&#xff0c;并在事务日志中为所删除的每行记录一项。 TRUNCATE …...

    2024/4/20 15:09:19
  9. angularjs 入门

    angular及其安装 使用npm i -g angular 来安装angular依赖 json-server bootstrapnpm i -g json-server npm i -g bootstrapangular js依赖的使用及其介绍 json-server在真实的生产环境中由于前端并不是独立的存在使用假数据又不能正常的反映出程序的运行情况&#xff0c;这时…...

    2024/4/20 15:27:57
  10. 割双眼皮需要热敷多久

    ...

    2024/4/20 15:27:57
  11. 割双眼皮需要忌口什么

    ...

    2024/4/20 15:27:55
  12. 最新最完整《TypeScript开发从入门到精通教程》

    目录4 I t, v( [# z├─极客TypeScript5 F3 }9 a3 u6 ?6 g" y3 L│ ├─1、TypeScript环境搭建│ │ ├─1、TypeScript介绍.mp4│ │ ├─2、Mac OS X下TypeScript开发环境搭建.mp4│ │ ├─3、Windows环境下TypeScript开发环境搭建.mp4 l0 d1 j- Q0 m, 9 v% s …...

    2024/4/20 15:27:54
  13. 我的学习资料分享来啦。

    相关回复的数字已经发生变动&#xff0c;仅需直接关注“是编程还是玩”就可以直接看到获取相关的资料需要回复的数字。 1.最全的资料合集&#xff08;妄自尊大了&#xff09;。 不见得是最全的&#xff0c;但是确实很多了。哈哈哈哈。包括但不限于Vue Vue.js web开发 微信小程…...

    2024/4/23 3:21:48
  14. Vue 史上最全学习笔记(2020年1月9日)

    目录 ✎ VUE学习 ◆ VUE学习心路历程 ◆ VUE学习视频来源 ➀ VUE学习视频百度网盘资源 ➁ VUE本笔记学习视频资源 ◆ VUE语法 ❶ Vue基础语法——模板语法&#xff08;Three rule of template&#xff09; ❷ Vue基础语法——创建VUE实例&#xff08;Create Vue&#x…...

    2024/4/21 14:22:32
  15. 2018最新web全栈视频教程 前端全套付费视频教程

    web全栈视频教程 前端全套付费视频教程 1-2初级教程 入门必备 - PS技法与切片技术 1-3初级教程 入门必备 - JavaScript快速上手 2-1中级教程 无上心法-CSS高级及兼容Hack技术 2-2中级教程 前端利器 - 实战Jquery Ajax技术 2-3中级教程 进阶之篇 - JavaScriptJQuery系列全程应用…...

    2024/4/21 14:22:30
  16. 2018最新达内Web前端开发视频教程

    目录1_Html2_Js3_Ajax4_Js5_Dom6_jQuery7_H5Core8_bootstrap9_vue10_Angular11_WebApp12_React13_Weixin14_Nodejs15_work16_Project17_Interview 下载地址&#xff1a;百度网盘...

    2024/4/25 5:45:43
  17. 割双眼皮需要几天消肿

    ...

    2024/4/20 15:28:17
  18. 割双眼皮需要多长时间

    ...

    2024/4/28 12:10:17
  19. 割双眼皮效果明显

    ...

    2024/4/27 23:00:14
  20. 割双眼皮消肿快

    ...

    2024/4/28 21:50:45

最新文章

  1. Java基础知识总结(82)

    ConcurrentHashMap JDK 1.7中的ConcurrentHashMap 原理&#xff1a; JDK 1.7的ConcurrentHashMap的锁机制基于粒度更小的分段锁&#xff0c;分段锁其实是一种锁的设计&#xff0c;并不是具体的一种锁&#xff0c;对于ConcurrentHashMap而言&#xff0c;分段锁技术将Key分成一…...

    2024/5/1 7:56:35
  2. 梯度消失和梯度爆炸的一些处理方法

    在这里是记录一下梯度消失或梯度爆炸的一些处理技巧。全当学习总结了如有错误还请留言&#xff0c;在此感激不尽。 权重和梯度的更新公式如下&#xff1a; w w − η ⋅ ∇ w w w - \eta \cdot \nabla w ww−η⋅∇w 个人通俗的理解梯度消失就是网络模型在反向求导的时候出…...

    2024/3/20 10:50:27
  3. Git 自定义命令

    前言 在使用 hexo 搭建个人博客时&#xff0c;共两种部署的方法。分别为&#xff1a; 本地利用 hexo 的插件 hexo-deployer-git 来实现部署&#xff0c;缺点是需要多敲几个命令行且不方便对源码进行云端备份使用 Github Action 的 workflow 自动化部署&#xff0c;优势就是可…...

    2024/4/30 9:17:14
  4. Java深度优先搜索DFS(含面试大厂题和源码)

    深度优先搜索&#xff08;Depth-First Search&#xff0c;简称DFS&#xff09;是一种用于遍历或搜索树或图的算法。DFS 通过沿着树的深度来遍历节点&#xff0c;尽可能深地搜索树的分支。当节点v的所在边都已被探寻过&#xff0c;搜索将回溯到发现节点v的那条边的起始节点。这个…...

    2024/4/30 5:58:20
  5. 整理的微信小程序日历(单选/多选/筛选)

    一、日历横向多选&#xff0c;支持单日、双日、三日、工作日等选择 效果图 wxml文件 <view class"calendar"><view class"section"><view class"title flex-box"><button bindtap"past">上一页</button&…...

    2024/4/30 2:11:32
  6. 【外汇早评】美通胀数据走低,美元调整

    原标题:【外汇早评】美通胀数据走低,美元调整昨日美国方面公布了新一期的核心PCE物价指数数据,同比增长1.6%,低于前值和预期值的1.7%,距离美联储的通胀目标2%继续走低,通胀压力较低,且此前美国一季度GDP初值中的消费部分下滑明显,因此市场对美联储后续更可能降息的政策…...

    2024/4/29 23:16:47
  7. 【原油贵金属周评】原油多头拥挤,价格调整

    原标题:【原油贵金属周评】原油多头拥挤,价格调整本周国际劳动节,我们喜迎四天假期,但是整个金融市场确实流动性充沛,大事频发,各个商品波动剧烈。美国方面,在本周四凌晨公布5月份的利率决议和新闻发布会,维持联邦基金利率在2.25%-2.50%不变,符合市场预期。同时美联储…...

    2024/4/30 18:14:14
  8. 【外汇周评】靓丽非农不及疲软通胀影响

    原标题:【外汇周评】靓丽非农不及疲软通胀影响在刚结束的周五,美国方面公布了新一期的非农就业数据,大幅好于前值和预期,新增就业重新回到20万以上。具体数据: 美国4月非农就业人口变动 26.3万人,预期 19万人,前值 19.6万人。 美国4月失业率 3.6%,预期 3.8%,前值 3…...

    2024/4/29 2:29:43
  9. 【原油贵金属早评】库存继续增加,油价收跌

    原标题:【原油贵金属早评】库存继续增加,油价收跌周三清晨公布美国当周API原油库存数据,上周原油库存增加281万桶至4.692亿桶,增幅超过预期的74.4万桶。且有消息人士称,沙特阿美据悉将于6月向亚洲炼油厂额外出售更多原油,印度炼油商预计将每日获得至多20万桶的额外原油供…...

    2024/4/30 18:21:48
  10. 【外汇早评】日本央行会议纪要不改日元强势

    原标题:【外汇早评】日本央行会议纪要不改日元强势近两日日元大幅走强与近期市场风险情绪上升,避险资金回流日元有关,也与前一段时间的美日贸易谈判给日本缓冲期,日本方面对汇率问题也避免继续贬值有关。虽然今日早间日本央行公布的利率会议纪要仍然是支持宽松政策,但这符…...

    2024/4/27 17:58:04
  11. 【原油贵金属早评】欧佩克稳定市场,填补伊朗问题的影响

    原标题:【原油贵金属早评】欧佩克稳定市场,填补伊朗问题的影响近日伊朗局势升温,导致市场担忧影响原油供给,油价试图反弹。此时OPEC表态稳定市场。据消息人士透露,沙特6月石油出口料将低于700万桶/日,沙特已经收到石油消费国提出的6月份扩大出口的“适度要求”,沙特将满…...

    2024/4/27 14:22:49
  12. 【外汇早评】美欲与伊朗重谈协议

    原标题:【外汇早评】美欲与伊朗重谈协议美国对伊朗的制裁遭到伊朗的抗议,昨日伊朗方面提出将部分退出伊核协议。而此行为又遭到欧洲方面对伊朗的谴责和警告,伊朗外长昨日回应称,欧洲国家履行它们的义务,伊核协议就能保证存续。据传闻伊朗的导弹已经对准了以色列和美国的航…...

    2024/4/28 1:28:33
  13. 【原油贵金属早评】波动率飙升,市场情绪动荡

    原标题:【原油贵金属早评】波动率飙升,市场情绪动荡因中美贸易谈判不安情绪影响,金融市场各资产品种出现明显的波动。随着美国与中方开启第十一轮谈判之际,美国按照既定计划向中国2000亿商品征收25%的关税,市场情绪有所平复,已经开始接受这一事实。虽然波动率-恐慌指数VI…...

    2024/4/30 9:43:09
  14. 【原油贵金属周评】伊朗局势升温,黄金多头跃跃欲试

    原标题:【原油贵金属周评】伊朗局势升温,黄金多头跃跃欲试美国和伊朗的局势继续升温,市场风险情绪上升,避险黄金有向上突破阻力的迹象。原油方面稍显平稳,近期美国和OPEC加大供给及市场需求回落的影响,伊朗局势并未推升油价走强。近期中美贸易谈判摩擦再度升级,美国对中…...

    2024/4/27 17:59:30
  15. 【原油贵金属早评】市场情绪继续恶化,黄金上破

    原标题:【原油贵金属早评】市场情绪继续恶化,黄金上破周初中国针对于美国加征关税的进行的反制措施引发市场情绪的大幅波动,人民币汇率出现大幅的贬值动能,金融市场受到非常明显的冲击。尤其是波动率起来之后,对于股市的表现尤其不安。隔夜美国股市出现明显的下行走势,这…...

    2024/4/25 18:39:16
  16. 【外汇早评】美伊僵持,风险情绪继续升温

    原标题:【外汇早评】美伊僵持,风险情绪继续升温昨日沙特两艘油轮再次发生爆炸事件,导致波斯湾局势进一步恶化,市场担忧美伊可能会出现摩擦生火,避险品种获得支撑,黄金和日元大幅走强。美指受中美贸易问题影响而在低位震荡。继5月12日,四艘商船在阿联酋领海附近的阿曼湾、…...

    2024/4/28 1:34:08
  17. 【原油贵金属早评】贸易冲突导致需求低迷,油价弱势

    原标题:【原油贵金属早评】贸易冲突导致需求低迷,油价弱势近日虽然伊朗局势升温,中东地区几起油船被袭击事件影响,但油价并未走高,而是出于调整结构中。由于市场预期局势失控的可能性较低,而中美贸易问题导致的全球经济衰退风险更大,需求会持续低迷,因此油价调整压力较…...

    2024/4/26 19:03:37
  18. 氧生福地 玩美北湖(上)——为时光守候两千年

    原标题:氧生福地 玩美北湖(上)——为时光守候两千年一次说走就走的旅行,只有一张高铁票的距离~ 所以,湖南郴州,我来了~ 从广州南站出发,一个半小时就到达郴州西站了。在动车上,同时改票的南风兄和我居然被分到了一个车厢,所以一路非常愉快地聊了过来。 挺好,最起…...

    2024/4/29 20:46:55
  19. 氧生福地 玩美北湖(中)——永春梯田里的美与鲜

    原标题:氧生福地 玩美北湖(中)——永春梯田里的美与鲜一觉醒来,因为大家太爱“美”照,在柳毅山庄去寻找龙女而错过了早餐时间。近十点,向导坏坏还是带着饥肠辘辘的我们去吃郴州最富有盛名的“鱼头粉”。说这是“十二分推荐”,到郴州必吃的美食之一。 哇塞!那个味美香甜…...

    2024/4/30 22:21:04
  20. 氧生福地 玩美北湖(下)——奔跑吧骚年!

    原标题:氧生福地 玩美北湖(下)——奔跑吧骚年!让我们红尘做伴 活得潇潇洒洒 策马奔腾共享人世繁华 对酒当歌唱出心中喜悦 轰轰烈烈把握青春年华 让我们红尘做伴 活得潇潇洒洒 策马奔腾共享人世繁华 对酒当歌唱出心中喜悦 轰轰烈烈把握青春年华 啊……啊……啊 两…...

    2024/5/1 4:32:01
  21. 扒开伪装医用面膜,翻六倍价格宰客,小姐姐注意了!

    原标题:扒开伪装医用面膜,翻六倍价格宰客,小姐姐注意了!扒开伪装医用面膜,翻六倍价格宰客!当行业里的某一品项火爆了,就会有很多商家蹭热度,装逼忽悠,最近火爆朋友圈的医用面膜,被沾上了污点,到底怎么回事呢? “比普通面膜安全、效果好!痘痘、痘印、敏感肌都能用…...

    2024/4/27 23:24:42
  22. 「发现」铁皮石斛仙草之神奇功效用于医用面膜

    原标题:「发现」铁皮石斛仙草之神奇功效用于医用面膜丽彦妆铁皮石斛医用面膜|石斛多糖无菌修护补水贴19大优势: 1、铁皮石斛:自唐宋以来,一直被列为皇室贡品,铁皮石斛生于海拔1600米的悬崖峭壁之上,繁殖力差,产量极低,所以古代仅供皇室、贵族享用 2、铁皮石斛自古民间…...

    2024/4/28 5:48:52
  23. 丽彦妆\医用面膜\冷敷贴轻奢医学护肤引导者

    原标题:丽彦妆\医用面膜\冷敷贴轻奢医学护肤引导者【公司简介】 广州华彬企业隶属香港华彬集团有限公司,专注美业21年,其旗下品牌: 「圣茵美」私密荷尔蒙抗衰,产后修复 「圣仪轩」私密荷尔蒙抗衰,产后修复 「花茵莳」私密荷尔蒙抗衰,产后修复 「丽彦妆」专注医学护…...

    2024/4/30 9:42:22
  24. 广州械字号面膜生产厂家OEM/ODM4项须知!

    原标题:广州械字号面膜生产厂家OEM/ODM4项须知!广州械字号面膜生产厂家OEM/ODM流程及注意事项解读: 械字号医用面膜,其实在我国并没有严格的定义,通常我们说的医美面膜指的应该是一种「医用敷料」,也就是说,医用面膜其实算作「医疗器械」的一种,又称「医用冷敷贴」。 …...

    2024/4/30 9:43:22
  25. 械字号医用眼膜缓解用眼过度到底有无作用?

    原标题:械字号医用眼膜缓解用眼过度到底有无作用?医用眼膜/械字号眼膜/医用冷敷眼贴 凝胶层为亲水高分子材料,含70%以上的水分。体表皮肤温度传导到本产品的凝胶层,热量被凝胶内水分子吸收,通过水分的蒸发带走大量的热量,可迅速地降低体表皮肤局部温度,减轻局部皮肤的灼…...

    2024/4/30 9:42:49
  26. 配置失败还原请勿关闭计算机,电脑开机屏幕上面显示,配置失败还原更改 请勿关闭计算机 开不了机 这个问题怎么办...

    解析如下&#xff1a;1、长按电脑电源键直至关机&#xff0c;然后再按一次电源健重启电脑&#xff0c;按F8健进入安全模式2、安全模式下进入Windows系统桌面后&#xff0c;按住“winR”打开运行窗口&#xff0c;输入“services.msc”打开服务设置3、在服务界面&#xff0c;选中…...

    2022/11/19 21:17:18
  27. 错误使用 reshape要执行 RESHAPE,请勿更改元素数目。

    %读入6幅图像&#xff08;每一幅图像的大小是564*564&#xff09; f1 imread(WashingtonDC_Band1_564.tif); subplot(3,2,1),imshow(f1); f2 imread(WashingtonDC_Band2_564.tif); subplot(3,2,2),imshow(f2); f3 imread(WashingtonDC_Band3_564.tif); subplot(3,2,3),imsho…...

    2022/11/19 21:17:16
  28. 配置 已完成 请勿关闭计算机,win7系统关机提示“配置Windows Update已完成30%请勿关闭计算机...

    win7系统关机提示“配置Windows Update已完成30%请勿关闭计算机”问题的解决方法在win7系统关机时如果有升级系统的或者其他需要会直接进入一个 等待界面&#xff0c;在等待界面中我们需要等待操作结束才能关机&#xff0c;虽然这比较麻烦&#xff0c;但是对系统进行配置和升级…...

    2022/11/19 21:17:15
  29. 台式电脑显示配置100%请勿关闭计算机,“准备配置windows 请勿关闭计算机”的解决方法...

    有不少用户在重装Win7系统或更新系统后会遇到“准备配置windows&#xff0c;请勿关闭计算机”的提示&#xff0c;要过很久才能进入系统&#xff0c;有的用户甚至几个小时也无法进入&#xff0c;下面就教大家这个问题的解决方法。第一种方法&#xff1a;我们首先在左下角的“开始…...

    2022/11/19 21:17:14
  30. win7 正在配置 请勿关闭计算机,怎么办Win7开机显示正在配置Windows Update请勿关机...

    置信有很多用户都跟小编一样遇到过这样的问题&#xff0c;电脑时发现开机屏幕显现“正在配置Windows Update&#xff0c;请勿关机”(如下图所示)&#xff0c;而且还需求等大约5分钟才干进入系统。这是怎样回事呢&#xff1f;一切都是正常操作的&#xff0c;为什么开时机呈现“正…...

    2022/11/19 21:17:13
  31. 准备配置windows 请勿关闭计算机 蓝屏,Win7开机总是出现提示“配置Windows请勿关机”...

    Win7系统开机启动时总是出现“配置Windows请勿关机”的提示&#xff0c;没过几秒后电脑自动重启&#xff0c;每次开机都这样无法进入系统&#xff0c;此时碰到这种现象的用户就可以使用以下5种方法解决问题。方法一&#xff1a;开机按下F8&#xff0c;在出现的Windows高级启动选…...

    2022/11/19 21:17:12
  32. 准备windows请勿关闭计算机要多久,windows10系统提示正在准备windows请勿关闭计算机怎么办...

    有不少windows10系统用户反映说碰到这样一个情况&#xff0c;就是电脑提示正在准备windows请勿关闭计算机&#xff0c;碰到这样的问题该怎么解决呢&#xff0c;现在小编就给大家分享一下windows10系统提示正在准备windows请勿关闭计算机的具体第一种方法&#xff1a;1、2、依次…...

    2022/11/19 21:17:11
  33. 配置 已完成 请勿关闭计算机,win7系统关机提示“配置Windows Update已完成30%请勿关闭计算机”的解决方法...

    今天和大家分享一下win7系统重装了Win7旗舰版系统后&#xff0c;每次关机的时候桌面上都会显示一个“配置Windows Update的界面&#xff0c;提示请勿关闭计算机”&#xff0c;每次停留好几分钟才能正常关机&#xff0c;导致什么情况引起的呢&#xff1f;出现配置Windows Update…...

    2022/11/19 21:17:10
  34. 电脑桌面一直是清理请关闭计算机,windows7一直卡在清理 请勿关闭计算机-win7清理请勿关机,win7配置更新35%不动...

    只能是等着&#xff0c;别无他法。说是卡着如果你看硬盘灯应该在读写。如果从 Win 10 无法正常回滚&#xff0c;只能是考虑备份数据后重装系统了。解决来方案一&#xff1a;管理员运行cmd&#xff1a;net stop WuAuServcd %windir%ren SoftwareDistribution SDoldnet start WuA…...

    2022/11/19 21:17:09
  35. 计算机配置更新不起,电脑提示“配置Windows Update请勿关闭计算机”怎么办?

    原标题&#xff1a;电脑提示“配置Windows Update请勿关闭计算机”怎么办&#xff1f;win7系统中在开机与关闭的时候总是显示“配置windows update请勿关闭计算机”相信有不少朋友都曾遇到过一次两次还能忍但经常遇到就叫人感到心烦了遇到这种问题怎么办呢&#xff1f;一般的方…...

    2022/11/19 21:17:08
  36. 计算机正在配置无法关机,关机提示 windows7 正在配置windows 请勿关闭计算机 ,然后等了一晚上也没有关掉。现在电脑无法正常关机...

    关机提示 windows7 正在配置windows 请勿关闭计算机 &#xff0c;然后等了一晚上也没有关掉。现在电脑无法正常关机以下文字资料是由(历史新知网www.lishixinzhi.com)小编为大家搜集整理后发布的内容&#xff0c;让我们赶快一起来看一下吧&#xff01;关机提示 windows7 正在配…...

    2022/11/19 21:17:05
  37. 钉钉提示请勿通过开发者调试模式_钉钉请勿通过开发者调试模式是真的吗好不好用...

    钉钉请勿通过开发者调试模式是真的吗好不好用 更新时间:2020-04-20 22:24:19 浏览次数:729次 区域: 南阳 > 卧龙 列举网提醒您:为保障您的权益,请不要提前支付任何费用! 虚拟位置外设器!!轨迹模拟&虚拟位置外设神器 专业用于:钉钉,外勤365,红圈通,企业微信和…...

    2022/11/19 21:17:05
  38. 配置失败还原请勿关闭计算机怎么办,win7系统出现“配置windows update失败 还原更改 请勿关闭计算机”,长时间没反应,无法进入系统的解决方案...

    前几天班里有位学生电脑(windows 7系统)出问题了&#xff0c;具体表现是开机时一直停留在“配置windows update失败 还原更改 请勿关闭计算机”这个界面&#xff0c;长时间没反应&#xff0c;无法进入系统。这个问题原来帮其他同学也解决过&#xff0c;网上搜了不少资料&#x…...

    2022/11/19 21:17:04
  39. 一个电脑无法关闭计算机你应该怎么办,电脑显示“清理请勿关闭计算机”怎么办?...

    本文为你提供了3个有效解决电脑显示“清理请勿关闭计算机”问题的方法&#xff0c;并在最后教给你1种保护系统安全的好方法&#xff0c;一起来看看&#xff01;电脑出现“清理请勿关闭计算机”在Windows 7(SP1)和Windows Server 2008 R2 SP1中&#xff0c;添加了1个新功能在“磁…...

    2022/11/19 21:17:03
  40. 请勿关闭计算机还原更改要多久,电脑显示:配置windows更新失败,正在还原更改,请勿关闭计算机怎么办...

    许多用户在长期不使用电脑的时候&#xff0c;开启电脑发现电脑显示&#xff1a;配置windows更新失败&#xff0c;正在还原更改&#xff0c;请勿关闭计算机。。.这要怎么办呢&#xff1f;下面小编就带着大家一起看看吧&#xff01;如果能够正常进入系统&#xff0c;建议您暂时移…...

    2022/11/19 21:17:02
  41. 还原更改请勿关闭计算机 要多久,配置windows update失败 还原更改 请勿关闭计算机,电脑开机后一直显示以...

    配置windows update失败 还原更改 请勿关闭计算机&#xff0c;电脑开机后一直显示以以下文字资料是由(历史新知网www.lishixinzhi.com)小编为大家搜集整理后发布的内容&#xff0c;让我们赶快一起来看一下吧&#xff01;配置windows update失败 还原更改 请勿关闭计算机&#x…...

    2022/11/19 21:17:01
  42. 电脑配置中请勿关闭计算机怎么办,准备配置windows请勿关闭计算机一直显示怎么办【图解】...

    不知道大家有没有遇到过这样的一个问题&#xff0c;就是我们的win7系统在关机的时候&#xff0c;总是喜欢显示“准备配置windows&#xff0c;请勿关机”这样的一个页面&#xff0c;没有什么大碍&#xff0c;但是如果一直等着的话就要两个小时甚至更久都关不了机&#xff0c;非常…...

    2022/11/19 21:17:00
  43. 正在准备配置请勿关闭计算机,正在准备配置windows请勿关闭计算机时间长了解决教程...

    当电脑出现正在准备配置windows请勿关闭计算机时&#xff0c;一般是您正对windows进行升级&#xff0c;但是这个要是长时间没有反应&#xff0c;我们不能再傻等下去了。可能是电脑出了别的问题了&#xff0c;来看看教程的说法。正在准备配置windows请勿关闭计算机时间长了方法一…...

    2022/11/19 21:16:59
  44. 配置失败还原请勿关闭计算机,配置Windows Update失败,还原更改请勿关闭计算机...

    我们使用电脑的过程中有时会遇到这种情况&#xff0c;当我们打开电脑之后&#xff0c;发现一直停留在一个界面&#xff1a;“配置Windows Update失败&#xff0c;还原更改请勿关闭计算机”&#xff0c;等了许久还是无法进入系统。如果我们遇到此类问题应该如何解决呢&#xff0…...

    2022/11/19 21:16:58
  45. 如何在iPhone上关闭“请勿打扰”

    Apple’s “Do Not Disturb While Driving” is a potentially lifesaving iPhone feature, but it doesn’t always turn on automatically at the appropriate time. For example, you might be a passenger in a moving car, but your iPhone may think you’re the one dri…...

    2022/11/19 21:16:57