基于JQuery EasyUI的WebMVC控件封装(含源码)
时间:2022-04-26
本文章向大家介绍基于JQuery EasyUI的WebMVC控件封装(含源码),主要内容包括其使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。
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="width: 100%;">
<tr>
<td style="width: 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 = "width: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
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
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