Asp.Net MVC Razor视图引擎与My97DatePicker插件的结合

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Runtime.CompilerServices;
  4 using System.Linq.Expressions;
  5
  6 namespace System.Web.Mvc
  7 {
  8     /// <summary>
  9     /// Extended the HtmlHelper for Calendar
 10     /// </summary>
 11     public static class CalendarExtensions
 12     {
 13         private static string defaultFormat = "yyyy-MM-dd";
 14
 15         /// <summary>
 16         /// 使用特定的名称生成控件
 17         /// </summary>
 18         /// <param name="helper">HtmlHelper对象</param>
 19         /// <param name="name">控件名称</param>
 20         /// <returns>Html文本</returns>
 21         public static MvcHtmlString Calendar(this HtmlHelper helper, string name)
 22         {
 23             return Calendar(helper, name, defaultFormat);
 24         }
 25
 26         /// <summary>
 27         /// 使用特定的名称生成控件
 28         /// </summary>
 29         /// <param name="helper">HtmlHelper对象</param>
 30         /// <param name="name">控件名称</param>
 31         /// <param name="format">显示格式</param>
 32         /// <returns>Html文本</returns>
 33         public static MvcHtmlString Calendar(this HtmlHelper helper, string name, string format)
 34         {
 35             return GenerateHtml(name, null, format);
 36         }
 37
 38         /// <summary>
 39         /// 使用特定的名称和初始值生成控件
 40         /// </summary>
 41         /// <param name="helper">HtmlHelper对象</param>
 42         /// <param name="name">控件名称</param>
 43         /// <param name="date">要显示的日期时间</param>
 44         /// <returns>Html文本</returns>
 45         public static MvcHtmlString Calendar(this HtmlHelper helper, string name, DateTime date)
 46         {
 47             return Calendar(helper, name, date, defaultFormat);
 48         }
 49
 50         /// <summary>
 51         /// 使用特定的名称和初始值生成控件
 52         /// </summary>
 53         /// <param name="helper">HtmlHelper对象</param>
 54         /// <param name="name">控件名称</param>
 55         /// <param name="date">要显示的日期时间</param>
 56         /// <param name="format">显示格式</param>
 57         /// <returns>Html文本</returns>
 58         public static MvcHtmlString Calendar(this HtmlHelper helper, string name, DateTime date, string format)
 59         {
 60             return GenerateHtml(name, date, format);
 61         }
 62
 63         /// <summary>
 64         /// 通过lambda表达式生成控件
 65         /// </summary>
 66         /// <param name="helper">HtmlHelper对象</param>
 67         /// <param name="expression">lambda表达式，指定要显示的属性及其所属对象</param>
 68         /// <returns>Html文本</returns>
 69         public static MvcHtmlString CalendarFor<TModel, TProperty>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TProperty>> expression)
 70         {
 71
 72             return CalendarFor(helper, expression, defaultFormat);
 73         }
 74
 75         /// <summary>
 76         /// 通过lambda表达式生成控件
 77         /// </summary>
 78         /// <param name="helper">HtmlHelper对象</param>
 79         /// <param name="expression">lambda表达式，指定要显示的属性及其所属对象</param>
 80         /// <param name="format">显示格式</param>
 81         /// <returns>Html文本</returns>
 82         public static MvcHtmlString CalendarFor<TModel, TProperty>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TProperty>> expression, string format)
 83         {
 84             string name = ExpressionHelper.GetExpressionText(expression);
 85             DateTime value;
 86
 87             object data = ModelMetadata.FromLambdaExpression<TModel, TProperty>(expression, helper.ViewData).Model;
 88             if (data != null && DateTime.TryParse(data.ToString(), out value))
 89             {
 90                 return GenerateHtml(name, value, format);
 91             }
 92             else
 93             {
 94                 return GenerateHtml(name, null, format);
 95             }
 96         }
 97
 98         /// <summary>
 99         /// 通过lambda表达式获取要显示的日期时间
100         /// </summary>
101         /// <param name="helper">HtmlHelper对象</param>
102         /// <param name="expression">lambda表达式，指定要显示的属性及其所属对象</param>
103         /// <param name="format">显示格式</param>
104         /// <returns>Html文本</returns>
105         public static MvcHtmlString CalendarDisplayFor<TModel, TProperty>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TProperty>> expression, string format)
106         {
107             string name = ExpressionHelper.GetExpressionText(expression);
108             DateTime value;
109             string Htmlstr = "";
110             object data = ModelMetadata.FromLambdaExpression<TModel, TProperty>(expression, helper.ViewData).Model;
111             if (data != null && DateTime.TryParse(data.ToString(), out value))
112             {
113                 Htmlstr = value.ToString(format);
114             }
115             else
116             {
117                 Htmlstr = string.Empty;
118             }
119             return MvcHtmlString.Create(Htmlstr);
120         }
121
122         /// <summary>
123         /// 通过lambda表达式获取要显示的日期时间
124         /// </summary>
125         /// <param name="helper">HtmlHelper对象</param>
126         /// <param name="expression">lambda表达式，指定要显示的属性及其所属对象</param>
127         /// <returns>Html文本</returns>
128         public static MvcHtmlString CalendarDisplayFor<TModel, TProperty>(this HtmlHelper<TModel> helper, Expression<Func<TModel, TProperty>> expression)
129         {
130             return CalendarDisplayFor(helper, expression, defaultFormat);
131         }
132
133         /// <summary>
134         /// 生成输入框的Html
135         /// </summary>
136         /// <param name="name">calendar的名称</param>
137         /// <param name="date">calendar的值</param>
138         /// <returns>html文本</returns>
139         private static MvcHtmlString GenerateHtml(string name, DateTime? date, string format)
140         {
141             string Htmlstr = "";
142             if (date != null)
143             {
144                 Htmlstr = "<input type=\"text\" id=\"" + name + "\" name=\"" + name + "\" onfocus=\"WdatePicker({dateFmt:‘" + format + "‘})\" class=\"Wdate\" value=\"" + date.Value.ToString(format) + "\" />";
145             }
146             else
147             {
148                 Htmlstr = "<input type=\"text\" id=\"" + name + "\" name=\"" + name + "\" onfocus=\"WdatePicker({dateFmt:‘" + format + "‘})\" class=\"Wdate\" value=\"\" />";
149             }
150             return MvcHtmlString.Create(Htmlstr);
151         }
152     }
153 }

使用方法

<td class="ms-ri">出生日期:</td>
<td style="vertical-align: middle">
          @Html.CalendarFor(m => m.Birthday)
</td>

OK.结束