WebHelper-SessionHelper、CookieHelper、CacheHelper、Tree
| ylbtech-Unitity: cs-WebHelper-SessionHelper、CookieHelper、CacheHelper、Tree |
SessionHelper.cs CookieHelper.cs CacheHelper.cs Tree.cs
| 1.A,效果图返回顶部 |
| 1.B,源代码返回顶部 |
1.B.1,SessionHelper.cs
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Web; namespace Core.WebHelper { /// <summary> /// Session 操作类 /// 1、GetSession(string name)根据session名获取session对象 /// 2、SetSession(string name, object val)设置session /// </summary> public class SessionHelper { /// <summary> /// 根据session名获取session对象 /// </summary> /// <param name="name"></param> /// <returns></returns> public static object GetSession(string name) { return HttpContext.Current.Session[name]; } /// <summary> /// 设置session /// </summary> /// <param name="name">session 名</param> /// <param name="val">session 值</param> public static void SetSession(string name, object val) { HttpContext.Current.Session.Remove(name); HttpContext.Current.Session.Add(name, val); } /// <summary> /// 添加Session，调动有效期为20分钟 /// </summary> /// <param name="strSessionName">Session对象名称</param> /// <param name="strValue">Session值</param> public static void Add(string strSessionName, string strValue) { HttpContext.Current.Session[strSessionName] = strValue; HttpContext.Current.Session.Timeout = 20; } /// <summary> /// 添加Session，调动有效期为20分钟 /// </summary> /// <param name="strSessionName">Session对象名称</param> /// <param name="strValues">Session值数组</param> public static void Adds(string strSessionName, string[] strValues) { HttpContext.Current.Session[strSessionName] = strValues; HttpContext.Current.Session.Timeout = 20; } /// <summary> /// 添加Session /// </summary> /// <param name="strSessionName">Session对象名称</param> /// <param name="strValue">Session值</param> /// <param name="iExpires">调动有效期（分钟）</param> public static void Add(string strSessionName, string strValue, int iExpires) { HttpContext.Current.Session[strSessionName] = strValue; HttpContext.Current.Session.Timeout = iExpires; } /// <summary> /// 添加Session /// </summary> /// <param name="strSessionName">Session对象名称</param> /// <param name="strValues">Session值数组</param> /// <param name="iExpires">调动有效期（分钟）</param> public static void Adds(string strSessionName, string[] strValues, int iExpires) { HttpContext.Current.Session[strSessionName] = strValues; HttpContext.Current.Session.Timeout = iExpires; } /// <summary> /// 读取某个Session对象值 /// </summary> /// <param name="strSessionName">Session对象名称</param> /// <returns>Session对象值</returns> public static object Get(string strSessionName) { if (HttpContext.Current.Session[strSessionName] == null) { return null; } else { return HttpContext.Current.Session[strSessionName]; } } /// <summary> /// 读取某个Session对象值数组 /// </summary> /// <param name="strSessionName">Session对象名称</param> /// <returns>Session对象值数组</returns> public static string[] Gets(string strSessionName) { if (HttpContext.Current.Session[strSessionName] == null) { return null; } else { return (string[])HttpContext.Current.Session[strSessionName]; } } /// <summary> /// 删除某个Session对象 /// </summary> /// <param name="strSessionName">Session对象名称</param> public static void Del(string strSessionName) { HttpContext.Current.Session[strSessionName] = null; } } }
1.B.2,CookieHelper.cs
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Web; namespace Core.WebHelper { /// <summary> /// Cookie辅助类 /// </summary> public class CookieHelper { /// <summary> /// 清除指定Cookie /// </summary> /// <param name="cookiename">cookiename</param> public static void ClearCookie(string cookiename) { HttpCookie cookie = HttpContext.Current.Request.Cookies[cookiename]; if (cookie != null) { cookie.Expires = DateTime.Now.AddYears(-3); HttpContext.Current.Response.Cookies.Add(cookie); } } /// <summary> /// 获取指定Cookie值 /// </summary> /// <param name="cookiename">cookiename</param> /// <returns></returns> public static string GetCookieValue(string cookiename) { HttpCookie cookie = HttpContext.Current.Request.Cookies[cookiename]; string str = string.Empty; if (cookie != null) { str = cookie.Value; } return str; } /// <summary> /// 添加一个Cookie（24小时过期） /// </summary> /// <param name="cookiename"></param> /// <param name="cookievalue"></param> public static void SetCookie(string cookiename, string cookievalue) { SetCookie(cookiename, cookievalue, DateTime.Now.AddDays(1.0)); } /// <summary> /// 添加一个Cookie /// </summary> /// <param name="cookiename">cookie名</param> /// <param name="cookievalue">cookie值</param> /// <param name="expires">过期时间 DateTime</param> public static void SetCookie(string cookiename, string cookievalue, DateTime expires) { HttpCookie cookie = new HttpCookie(cookiename) { Value = cookievalue, Expires = expires }; HttpContext.Current.Response.Cookies.Add(cookie); } } }
1.B.3,CacheHelper.cs
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Web; using System.Collections; namespace Core.WebHelper { /// <summary> /// 缓存辅助类 /// </summary> public class CacheHelper { /// <summary> /// 获取数据缓存 /// </summary> /// <param name="CacheKey">键</param> public static object GetCache(string CacheKey) { System.Web.Caching.Cache objCache = HttpRuntime.Cache; return objCache[CacheKey]; } /// <summary> /// 设置数据缓存 /// </summary> public static void SetCache(string CacheKey, object objObject) { System.Web.Caching.Cache objCache = HttpRuntime.Cache; objCache.Insert(CacheKey, objObject); } /// <summary> /// 设置数据缓存 /// </summary> public static void SetCache(string CacheKey, object objObject, TimeSpan Timeout) { System.Web.Caching.Cache objCache = HttpRuntime.Cache; objCache.Insert(CacheKey, objObject, null, DateTime.MaxValue, Timeout, System.Web.Caching.CacheItemPriority.NotRemovable, null); } /// <summary> /// 设置数据缓存 /// </summary> public static void SetCache(string CacheKey, object objObject, DateTime absoluteExpiration, TimeSpan slidingExpiration) { System.Web.Caching.Cache objCache = HttpRuntime.Cache; objCache.Insert(CacheKey, objObject, null, absoluteExpiration, slidingExpiration); } /// <summary> /// 移除指定数据缓存 /// </summary> public static void RemoveAllCache(string CacheKey) { System.Web.Caching.Cache _cache = HttpRuntime.Cache; _cache.Remove(CacheKey); } /// <summary> /// 移除全部缓存 /// </summary> public static void RemoveAllCache() { System.Web.Caching.Cache _cache = HttpRuntime.Cache; IDictionaryEnumerator CacheEnum = _cache.GetEnumerator(); while (CacheEnum.MoveNext()) { _cache.Remove(CacheEnum.Key.ToString()); } } } }
1.B.4,Tree.cs
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Core.WebHelper { public class Tree { public List<TreeNode> TreeNodes { get; set; } public string SelectPath { get; set; }//选中路径 bool _ShowLine = true; public bool ShowLine { get { return _ShowLine; } set { _ShowLine = value; } } ShowCheckBoxs _ShowCheckBox = ShowCheckBoxs.None; public ShowCheckBoxs ShowCheckBox { get { return _ShowCheckBox; } set { _ShowCheckBox = value; } } int _ExpentDepth=0; public int ExpentDepth { get{ return _ExpentDepth; } set{_ExpentDepth = value; } } } public class TreeNode { public string TreeNodeID{get;set;} public string Text { get; set; } public string Value { get; set; } NodeDispType _NodeDispType = NodeDispType.Span;//0:不是超链接 1:超链接 public NodeDispType NodeDispType { get { return _NodeDispType; } set { _NodeDispType = value; } } public bool? ShowCheckBox { get; set; } public bool Checked {get;set;} public string Tag { get; set; } //public bool? Expanded { get; set; } public string htmlAttr { get; set; } public string ParentTreeNodeID { get; set; } } public enum ShowCheckBoxs { None, Root, Parent, Leaf, All } public enum NodeDispType { Alink, Button, Span } }
1.B.5,
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