96 lines
3.7 KiB
C#
96 lines
3.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Reflection;
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using System.Text.RegularExpressions;
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using System.Windows.Forms;
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namespace SLC1_N
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{
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internal class dllCall
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{
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/// <summary> 已加载DLL
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/// </summary>
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private static Dictionary<string, Assembly> LoadedDlls = new Dictionary<string, Assembly>();
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/// <summary> 已处理程序集
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/// </summary>
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private static Dictionary<string, object> Assemblies = new Dictionary<string, object>();
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/// <summary> 在对程序集解释失败时触发
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/// </summary>
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/// <param name="sender">AppDomain</param>
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/// <param name="args">事件参数</param>
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private static Assembly AssemblyResolve(object sender, ResolveEventArgs args)
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{
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try
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{
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//程序集
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Assembly ass;
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//获取加载失败的程序集的全名
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var assName = new AssemblyName(args.Name).FullName;
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//判断Dlls集合中是否有已加载的同名程序集
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if (LoadedDlls.TryGetValue(assName, out ass) && ass != null)
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{
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LoadedDlls[assName] = null;//如果有则置空并返回
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return ass;
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}
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else
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{
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return ass;//dev的dll 这里有问题，可以绕过
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throw new DllNotFoundException(assName);//否则抛出加载失败的异常
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}
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}
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catch (System.Exception ex)
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{
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MessageBox.Show("error1:\n位置：AssemblyResolve()！\n描述：" + ex.Message);
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return null;
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}
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}
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/// <summary> 注册资源中的dll
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/// </summary>
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/// <param name="pattern">*表示连续的未知字符,_表示单个未知字符,如*.dll</param>
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public static void RegistDLL(string pattern = "*.dll")
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{
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System.IO.Directory.GetFiles("", "");
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//获取调用者的程序集
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var ass = new StackTrace(0).GetFrame(1).GetMethod().Module.Assembly;
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//判断程序集是否已经处理
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if (Assemblies.ContainsKey(ass.FullName))
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{
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return;
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}
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//程序集加入已处理集合
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Assemblies.Add(ass.FullName, null);
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//绑定程序集加载失败事件(这里我测试了,就算重复绑也是没关系的)
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AppDomain.CurrentDomain.AssemblyResolve += AssemblyResolve;
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//获取所有资源文件文件名
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var res = ass.GetManifestResourceNames();
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var regex = new Regex("^" + pattern.Replace(".", "\\.").Replace("*", ".*").Replace("_", ".") + "$", RegexOptions.IgnoreCase);
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foreach (var r in res)
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{
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//如果是dll,则加载
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if (regex.IsMatch(r))
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{
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try
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{
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var s = ass.GetManifestResourceStream(r);
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var bts = new byte[s.Length];
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s.Read(bts, 0, (int)s.Length);
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var da = Assembly.Load(bts);
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//判断是否已经加载
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if (LoadedDlls.ContainsKey(da.FullName))
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{
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continue;
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}
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LoadedDlls[da.FullName] = da;
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}
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catch (Exception ex)
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{
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MessageBox.Show("error2:加载dll失败\n位置：RegistDLL()！\n描述：" + ex.Message);
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}
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}
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}
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}
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}
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}
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