cSharp:反射 Reflection

 

 

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/// <summary>    /// 利用反射调用插件方法    /// 涂聚文(Geovin Du)    /// 2019-03-27        ///    /// </summary>    /// <param name="assemblyName">生成类库文件名称</param>    /// <param name="className">类名</param>    /// <param name="methodName">方法名</param>    /// <param name="objParas">参数</param>    /// <returns>DataTable</returns>    public DataTable getMethod(string assemblyName, string className, string methodName, params object[] objParas)    {        DataTable dt = new DataTable();        try        {            Assembly assembly = Assembly.Load(assemblyName);//生成类库文件名称 放在BIN文件夹下的类库文件DLL的名称            object obj = assembly.CreateInstance("DuCms.Web.Plugin." + assemblyName + "." + className); //类库名称+类名称            Type t = obj.GetType();            //查找匹配的方法            foreach (MethodInfo m in t.GetMethods(BindingFlags.Instance | BindingFlags.Public))            {                if (m.Name == methodName && m.GetParameters().Length == objParas.Length)                {                    object obj2 = m.Invoke(obj, objParas);                    dt = obj2 as DataTable;                    return dt;                }            }        }        catch        {            //插件方法获取失败        }        return dt;    }

　　调用：

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DataTable backList = getMethod("Feedback", "Feedback", "getFeedbackList", 4, "IsLock=0 and SiteId="+Site.Id);       foreach(DataRow dr in backList.Rows)     {          。。。。         }

　　

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1	Feedback 类

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namespace DuCms.Web.Plugin.Feedback {       /// <summary>     ///     /// </summary>     public partial class Feedback : Web.UI.Page     {         /// <summary>         /// 留言分页列表         /// </summary>         /// <param name="page_size">页面大小</param>         /// <param name="page_index">当前页码</param>         /// <param name="strwhere">查询条件</param>         /// <param name="totalcount">总记录数</param>         /// <returns>DateTable</returns>         public DataTable getFeedbackList(int pageSize, int pageIndex, string strWhere, out int totalCount)         {                .....         }           } }