kjh.api.55128.cn_old/CP.Web/Statics.cs

using CP.Business;
using CP.Cache;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Web;

namespace CP.Web
{
    public class Statics
    {
        #region 返回静态文件输出
        /// <summary>
        /// 返回静态文件输出
        /// </summary>
        /// <param name="name">名称</param>
        /// <param name="type">类型-防止重名</param>
        /// <returns></returns>
        public static string GetStatics(string name, string type = "")
        {
            if (string.IsNullOrEmpty(name))
                return "";

            StringBuilder sb = new StringBuilder();
            var names = name.Split(':');
            if (names != null && names.Length > 0)
            {
                string br = "\r\n";
                for (int i = 0; i < names.Length; i++)
                {
                    if (i == names.Length - 1)
                        br = "";
                    var item = StaticFile.GetStaticFile(names[i], type);
                    if (item != null && !string.IsNullOrEmpty(item.url))
                    {
                        switch (item.type)
                        {
                            case "js":
                                sb.Append("<script type=\"text/javascript\" src=\"" + item.url + "?v=" + item.ver + "\"></script>" + br);
                                break;
                            case "css":
                                sb.Append("<link href=\"" + item.url + "?v=" + item.ver + "\" rel=\"stylesheet\" type=\"text/css\" />" + br);
                                break;
                        }
                    }
                }
            }

            return sb.ToString();
        }

        #endregion
    }

    public class StaticFile
    {
        /// <summary>
        /// 缓存
        /// </summary>
        static WMCache cache = WMCache.GetCacheService();

        /// <summary>
        /// cache中的所有数据
        /// </summary>
        /// <returns></returns>
        public static List<StaticFileInfo> GetStaticFileList()
        {
            string key = CacheKeys.Static_File;
            List<StaticFileInfo> list = cache.GetObject<List<StaticFileInfo>>(key) as List<StaticFileInfo>;
            if (list == null)
            {
                list = StaticFileData.GetStaticFileList();
                cache.AddObject(key, list, (int)CacheTime.System);
            }
            return list;
        }

        /// <summary>
        /// 某个文件
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public static StaticFileInfo GetStaticFile(string name, string type)
        {
            StaticFileInfo info = new StaticFileInfo();
            var list = GetStaticFileList();
            foreach (var item in list)
            {
                if (!string.IsNullOrWhiteSpace(type))
                {
                    if (item.name.Trim().Equals(name, StringComparison.CurrentCultureIgnoreCase)
                         && item.type.Equals(type, StringComparison.CurrentCultureIgnoreCase))
                        return item;
                }
                else
                {
                    if (item.name.Trim().Equals(name, StringComparison.CurrentCultureIgnoreCase))
                        return item;
                }
            }
            return info;
        }

    }

    public class StaticFileInfo
    {
        /// <summary>
        /// 名称
        /// </summary>
        public string name { get; set; }

        /// <summary>
        /// 地址
        /// </summary>
        public string url { get; set; }

        /// <summary>
        /// 版本号
        /// </summary>
        public string ver { get; set; }

        /// <summary>
        /// 类型/css/js
        /// </summary>
        public string type { get; set; }
    }

    public class StaticFileData
    {

        /// <summary>
        /// get 文件中的static文件配置
        /// </summary>
        /// <returns></returns>
        public static List<StaticFileInfo> GetStaticFileList()
        {
            List<StaticFileInfo> list = new List<StaticFileInfo>();
            string result = string.Empty;
            try
            {
                string path = System.Web.HttpContext.Current.Server.MapPath("/") + "Config/data/static.config";
                result = File.ReadAllText(path);
            }
            catch (Exception ex)
            {
                throw new Exception("static.config配置错误:" + ex.Message);
            }

            if (!string.IsNullOrEmpty(result))
            {
                try
                {
                    list = JsonConvert.DeserializeObject<List<StaticFileInfo>>(result);
                }
                catch (Exception ex)
                {
                    throw new Exception("反序列化static.config出错:" + ex.Message);
                }
            }

            return list;
        }
    }
}