完整版 RazorHelper.cs

 

using System;using System.Collections;using System.Collections.Generic;using System.IO;using System.Linq;using System.Reflection;using System.Text;using System.Threading.Tasks;using System.Web;using RazorEngine;using RazorEngine.Text;namespace Console_Core.Common{    public class RazorHelper    {        /// 
        /// Razor解析cshtml页面，并输出到浏览器        /// 
        /// 上下文        /// cshtml页面的虚拟路径        /// 传递的虚拟实例        public static void RazorParse(HttpContext context, string cshtmlVirtualPath, object data)        {            string fullPath = context.Server.MapPath(cshtmlVirtualPath);            string cshtml = File.ReadAllText(fullPath);            string cacheName = fullPath + File.GetLastWriteTime(fullPath);            string html = Razor.Parse(cshtml, data, cacheName);            context.Response.Write(html);        }        /// 
        /// 对html进行加密        /// 
        /// html标签        /// 
         
          加密之后的字符串
                 public static HtmlEncodedString HtmlEncodedString(string htmlStr)        {            return new HtmlEncodedString(htmlStr);        }        /// 
        /// 对html原样显示        /// 
        /// html标签        /// 
         
          html原来样子
                 public static RawString RawString(string htmlStr)        {            return new RawString(htmlStr);        }        /// 
        /// 拼接生成CheckBox 标签        /// 
        /// 是否选中        /// 扩展属性的对象：比如，new {id='managerId',name='manager',style='color:red' }        /// 
         
          CheckBox标签
                 public static RawString CheckBox(bool isCheck, object extendProperties)        {            StringBuilder sb = new StringBuilder();            sb.Append("");            return new RawString(sb.ToString());        }        /// 
        /// 拼接扩展属性 及对应的值        /// 
        /// 扩展属性 所在的匿名实例        /// 
         
          拼接生成的 包含属性名和值 的字符串： 比如，“ name='manager' id='managerId' ” 
                 private static string RenderExtProperties(object extendProperties)        {            StringBuilder sb = new StringBuilder();            #region 拼接扩展属性            Type extType = extendProperties.GetType();            PropertyInfo[] props = extType.GetProperties();            foreach (PropertyInfo prop in props)            {                string extPropName = prop.Name;                object extPropValue = prop.GetValue(extendProperties);                sb.Append(" ").Append(extPropName).Append("='").Append(extPropValue).Append("' ");            }            #endregion            return sb.ToString();        }        /// 
        /// 拼接生成DropDownList下拉列表 标签        /// 
        /// 实例的集合        /// 实际的值属性的名称：比如，Id        /// 显示的文本属性的名称：比如，Name        /// 选中的值        /// 扩展属性的对象：比如，new {id='managerId',name='manager',style='color:red' }        /// 
         
          DropDownList下拉列表 标签
                 public static RawString DropDownList(IEnumerable list,string valuePropName,string textPropName,object selectedValue,object extendProperties)        {             //            //              //            StringBuilder sb = new StringBuilder();            sb.Append("");            #region 拼接下拉选项            foreach (object item in list)            {                object valuePropValue, textPropValue;                GetvalueAndTextPropValue(item, valuePropName, textPropName, out valuePropValue, out textPropValue);                sb.Append("").Append(textPropValue).AppendLine("  ");            }             #endregion            sb.AppendLine("");            return new RawString(sb.ToString());        }        /// 
        /// 拼接生成RadioButtonList 标签        /// 
        /// 实例的集合        /// 实际的值属性的名称：比如，Id        /// 显示的文本属性的名称：比如，Name        /// 选中的值        // 扩展属性的对象：比如，new {name='gender',style='color:red' }        /// 
         
          RadioButtonList 标签
                 public static RawString RadioButtonList(IEnumerable list, string valuePropName, string textPropName, object selectedValue, object extendProperties)        {            //男
  //只能单选            StringBuilder sb = new StringBuilder();            foreach(object item in list)            {                object valuePropValue, textPropValue;                GetvalueAndTextPropValue(item, valuePropName, textPropName, out valuePropValue, out textPropValue);                sb.Append("").Append(textPropValue).AppendLine("
");            }            return new RawString(sb.ToString());        }        /// 
        /// 拼接生成CheckBoxList 标签        /// 
        /// 实例的集合        /// 实际的值属性的名称：比如，Id        /// 显示的文本属性的名称：比如，Name        /// 选中的值的数组        /// 扩展属性的对象：比如，new {name='hobby',style='color:red' }        /// 
         
          CheckBoxList 标签
                 public static RawString CheckBoxList(IEnumerable list, string valuePropName, string textPropName, object[] selectedValues, object extendProperties)        {            //足球
   //可多选            StringBuilder sb = new StringBuilder();            foreach(object item in list)            {                object valuePropValue,textPropValue;                GetvalueAndTextPropValue(item, valuePropName, textPropName, out valuePropValue, out textPropValue);                sb.Append("").Append(textPropValue).AppendLine("
");            }            return new RawString(sb.ToString());        }        /// 
        /// 根据指定实例的 值属性名和文本属性名 获得 值属性值和文本属性值        /// 
        /// 指定实例        /// 值属性名        /// 文本属性名        /// out 值属性值        /// out 文本属性值        private static void GetvalueAndTextPropValue(object item, string valuePropName, string textPropName, out object valuePropValue, out object textPropValue)        {            Type type = item.GetType();            PropertyInfo valueProp = type.GetProperty(valuePropName);            valuePropValue = valueProp.GetValue(item);            PropertyInfo textProp = type.GetProperty(textPropName);            textPropValue = textProp.GetValue(item);        }    }}