zoukankan      html  css  js  c++  java
  • 基于JQuery EasyUI的WebMVC控件封装(含源码)

      JQuery EasyUI类库,大家不会陌生,出来已经有很多年了。个人感觉还是很好用的,作者更新频率也很快,bug也及时修复。

      最近在整理以前的代码,找到了这个组件,它是将EasyUI组件封装成MVC控件,这样我们就可以不用写那些html标签了,我们先看看调用方式

    <form id="form1">
        @Html.HiddenFor(c => c.ID)
        @Html.HiddenFor(c => c.EditMode)
        @Html.HiddenFor(c => c.CodeTypeID)
        @Html.HiddenFor(c => c.CreateUserID)
        <table border="1" style=" 100%;">
            <tr>
                <td style=" 100px;">@Html.EasyUI().LabelFor(c => c.CodeID).Required(true)</td>
                <td>@Html.EasyUI().ValidateBoxFor(c => c.CodeID).Required(true).Width("60%")</td>
            </tr>
            <tr>
                <td>@Html.EasyUI().LabelFor(c => c.CodeName).Required(true)</td>
                <td>@Html.EasyUI().ValidateBoxFor(c => c.CodeName).Required(true).Width("60%")</td>
            </tr>
            <tr>
                <td>@Html.EasyUI().LabelFor(c => c.CodeTypeName)</td>
                <td>@Html.DisplayFor(c => c.CodeTypeName)</td>
            </tr>
            <tr>
                <td>@Html.EasyUI().LabelFor(c => c.IsUsed)</td>
                <td>@Html.DropDownListMetaCodeFor(c => c.IsUsed, MetaSourceType.Null, string.Empty, new{ @style = "60%;" })</td>
            </tr>
            <tr>
                <td>@Html.EasyUI().LabelFor(c => c.SortOrder)</td>
                <td>@Html.EasyUI().NumberBoxFor(c => c.SortOrder).Min(10).Value(10).Width("60%")</td>
            </tr>
            <tr>
                <td>@Html.EasyUI().LabelFor(c => c.CreateUserName)</td>
                <td>@Html.EasyUI().ValidateBoxFor(c => c.CreateUserName).Width("60%")</td>
            </tr>
            <tr>
                <td>@Html.EasyUI().LabelFor(c => c.CreateTime)</td>
                <td>@Html.EasyUI().DateBoxFor(c => c.CreateTime)</td>
            </tr>
        </table>
    </form>
    

      

      我们再来看看代码是如何实现的,下面是整个项目布局

    clip_image001

      其实代码不复杂,最关键的是TagElementBuilder.cs这个类

    using System;
    using System.Linq;
    using System.Web;
    using System.Web.Mvc;
    
    namespace NS.Utility.EasyUI
    {
        public abstract class TagElementBuilder<T> : IHtmlString where T : class
        {
            #region 私有变量
            private TagBuilder tagBuilder;
            #endregion
    
            #region 公有属性
            /// <summary>
            /// 组件Tag标签类型.包括input,select,label等
            /// </summary>
            public abstract string TagName { get; }
    
            /// <summary>
            /// Tag标签组装类
            /// </summary>
            protected TagBuilder TagBuilder
            {
                get
                {
                    if (this.tagBuilder != null)
                        return this.tagBuilder;
                    return this.tagBuilder = new TagBuilder(TagName);
                }
            }          
            #endregion
    
            #region 私有方法
            /// <summary>
            /// 判断class名称是否存在
            /// </summary>
            /// <param name="className"></param>
            /// <returns></returns>
            private bool ContainsClass(string className)
            {
                string classs;
                if (!TagBuilder.Attributes.TryGetValue("class", out classs))
                {
                    return false;
                }
    
                var classArray = classs.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).ToArray();
                return classArray.Any(i => string.Equals(i, className, StringComparison.OrdinalIgnoreCase));
            }
            #endregion
    
            #region 公有方法
    
            /// <summary>
            /// 设置ID属性值
            /// </summary>
            /// <param name="id"></param>
            /// <returns></returns>
            public T ID(string id)
            {
                this.TagBuilder.GenerateId(id);
                return this as T;
            }
    
            /// <summary>
            /// 设置Name属性值
            /// </summary>
            /// <param name="name"></param>
            /// <returns></returns>
            public T Name(string name)
            {
                this.TagBuilder.MergeAttribute("name", name, true);
                return this as T;
            }
    
            /// <summary>
            /// 设置Attribute属性列表
            /// </summary>
            /// <param name="key"></param>
            /// <param name="value"></param>
            /// <param name="replaceExisting"></param>
            /// <returns></returns>
            public T Attribute(string key, string value, bool replaceExisting = false)
            {
                this.TagBuilder.MergeAttribute(key, value, replaceExisting);
                return this as T;
            }
    
            /// <summary>
            /// 增加class属性值
            /// </summary>
            /// <param name="className"></param>
            /// <returns></returns>
            public T AddClass(string className)
            {
                if (string.IsNullOrWhiteSpace(className))
                {
                    return this as T;
                }
    
                if (ContainsClass(className))
                {
                    return this as T;
                }
    
                TagBuilder.AddCssClass(className);
                return this as T;
            }
    
            /// <summary>
            /// 删除class属性值
            /// </summary>
            /// <param name="className"></param>
            /// <returns></returns>
            public T RemoveClass(string className)
            {
                if (string.IsNullOrWhiteSpace(className))
                {
                    return this as T;
                }
    
                if (!ContainsClass(className))
                {
                    return this as T;
                }
    
                var classs = TagBuilder.Attributes["class"];
    
                var classArray = classs.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
                    .Where(i => string.Equals(i, className, StringComparison.OrdinalIgnoreCase));
    
                TagBuilder.Attributes["class"] = string.Join(" ", classArray);
                return this as T;
            }
    
            /// <summary>
            /// 合并class属性值
            /// </summary>
            /// <param name="className"></param>
            /// <returns></returns>
            public T ToggleClass(string className)
            {
                if (string.IsNullOrWhiteSpace(className))
                {
                    return this as T;
                }
    
                return ContainsClass(className) ? RemoveClass(className) : AddClass(className);
            }
            #endregion
    
            #region 抽象方法
            /// <summary>
            /// 返回HTML编码的字符串(子类必须重写)
            /// </summary>
            /// <returns></returns>
            public abstract string ToHtmlString();
            #endregion
        }
    }
    

      

      再看看具体是如何实现的?

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Web.Mvc;
    using System.Web.Mvc.Html;
    
    namespace NS.Utility.EasyUI
    {
        public class ComboBoxBuilder : TagElementBuilder<ComboBoxBuilder>
        {
            #region 私有变量
            private bool required = false;
            private string valueField = string.Empty;
            private string textField = string.Empty;
            private string groupField = string.Empty;
            private string groupFormatter = string.Empty;
            private EasyUIComboBoxMode mode = EasyUIComboBoxMode.local;
            private string url = string.Empty;
            private EasyUIComboBoxMethod method = EasyUIComboBoxMethod.post;
            private string data = string.Empty;
            private string filter = string.Empty;
            private string formatter = string.Empty;
            private string loader = string.Empty;
            private string loadFilter = string.Empty;
    
            private string onBeforeLoad = string.Empty;
            private string onLoadSuccess = string.Empty;
            private string onLoadError = string.Empty;
            private string onSelect = string.Empty;
            private string onUnselect = string.Empty;
            #endregion
    
            #region 公有方法
            public ComboBoxBuilder Required(bool required)
            {
                this.required = required;
                return this;
            }
            public ComboBoxBuilder ValueField(string valueField)
            {
                this.valueField = valueField;
                return this;
            }
            public ComboBoxBuilder TextField(string textField)
            {
                this.textField = textField;
                return this;
            }
            public ComboBoxBuilder GroupField(string groupField)
            {
                this.groupField = groupField;
                return this;
            }
            public ComboBoxBuilder GroupFormatter(string groupFormatter)
            {
                this.groupFormatter = groupFormatter;
                return this;
            }
            public ComboBoxBuilder Mode(EasyUIComboBoxMode mode)
            {
                this.mode = mode;
                return this;
            }
            public ComboBoxBuilder Url(string url)
            {
                this.url = url;
                return this;
            }
            public ComboBoxBuilder Method(EasyUIComboBoxMethod method)
            {
                this.method = method;
                return this;
            }
            public ComboBoxBuilder Data(string data)
            {
                this.data = data;
                return this;
            }
            public ComboBoxBuilder Filter(string filter)
            {
                this.filter = filter;
                return this;
            }
            public ComboBoxBuilder Formatter(string formatter)
            {
                this.formatter = formatter;
                return this;
            }
            public ComboBoxBuilder Loader(string loader)
            {
                this.loader = loader;
                return this;
            }
            public ComboBoxBuilder LoadFilter(string loadFilter)
            {
                this.loadFilter = loadFilter;
                return this;
            }
    
            public ComboBoxBuilder OnBeforeLoad(string onBeforeLoad)
            {
                this.onBeforeLoad = onBeforeLoad;
                return this;
            }
            public ComboBoxBuilder OnLoadSuccess(string onLoadSuccess)
            {
                this.onLoadSuccess = onLoadSuccess;
                return this;
            }
            public ComboBoxBuilder OnLoadError(string onLoadError)
            {
                this.onLoadError = onLoadError;
                return this;
            }
            public ComboBoxBuilder OnSelect(string onSelect)
            {
                this.onSelect = onSelect;
                return this;
            }
            public ComboBoxBuilder OnUnselect(string onUnselect)
            {
                this.onUnselect = onUnselect;
                return this;
            }
            #endregion
    
            #region TagElementBuilder 重写属性和方法
            public override string TagName
            {
                get { return "input"; }
            }
    
            public override string ToHtmlString()
            {
                //参考格式:<input id="cc" class="easyui-combobox" name="dept" data-options="valueField:'id',textField:'text',url:'get_data.php'" /> 
    
                //拼接class属性值
                TagBuilder.AddCssClass("easyui-combobox");
    
                //拼接data-options属性值
                List<string> listAttri = new List<string>();
    
                //开始拼接各种属性值
                if (this.required == true)
                {
                    //是否必输项
                    listAttri.Add(string.Format("required:{0}", this.required.ToString().ToLower()));
                }
                if (string.IsNullOrEmpty(this.valueField) == false)
                {
                    listAttri.Add(string.Format("valueField:'{0}'", this.valueField));
                }
                if (string.IsNullOrEmpty(this.textField) == false)
                {
                    listAttri.Add(string.Format("textField:'{0}'", this.textField));
                }
                if (string.IsNullOrEmpty(this.groupField) == false)
                {
                }
                if (this.mode != EasyUIComboBoxMode.local)
                {
                }
                if (string.IsNullOrEmpty(this.url) == false)
                {
                    listAttri.Add(string.Format("url:'{0}'", this.url));
                }
                if (this.method == EasyUIComboBoxMethod.get)
                {
                }
                if (string.IsNullOrEmpty(this.data) == false)
                {
                }
                if (string.IsNullOrEmpty(this.filter) == false)
                {
                }
                if (string.IsNullOrEmpty(this.formatter) == false)
                {
                }
                if (string.IsNullOrEmpty(this.loader) == false)
                {         
                }
                if (string.IsNullOrEmpty(this.loadFilter) == false)
                {
                }
    
                //开始拼接各种事件
                if (string.IsNullOrEmpty(this.onBeforeLoad) == false)
                {
                }
                if (string.IsNullOrEmpty(this.onLoadSuccess) == false)
                {
                }
                if (string.IsNullOrEmpty(this.onLoadError) == false)
                {
                }
                if (string.IsNullOrEmpty(this.onSelect) == false)
                {
                }
                if (string.IsNullOrEmpty(this.onUnselect) == false)
                {
                }
    
                string dataOptions = string.Join(",", listAttri.ToArray());
                TagBuilder.Attributes.Add("data-options", dataOptions);
    
                var builder = new StringBuilder();
                var tagHtml = TagBuilder.ToString(TagRenderMode.SelfClosing);
                builder.AppendLine(tagHtml);
    
                return new MvcHtmlString(builder.ToString()).ToHtmlString();
            }
            #endregion
        }
    }
    

      看,其实并不复杂吧,完整源码是必须提供的

    源码下载方式
    1,关注微信公众号:小特工作室(也可直接扫描签名处二维码)
    2,发送:示例4011
    即可下载 
  • 相关阅读:
    数据绑定表达式语法(Eval,Bind区别)
    使用博客园的第一件事 自定义主题
    sql2000 跨服务器复制表数据
    使用UpdatePanel 局部刷新出现中文乱码的解决方法!!
    MMC不能打开文件MSC文件
    sql 日期 、时间相关
    loaded AS2 swf call function in AS3 holder
    Rewrite the master page form action attribute in asp.net 2.0
    100万个不重复的8位的随机数
    flash 中实现斜切变型
  • 原文地址:https://www.cnblogs.com/xiyang1011/p/7798029.html
Copyright © 2011-2022 走看看