c#項目將dll打包到exe中的步驟
意圖:
想將項目用到的兩個dll庫文件(CryptEnDe.dll和ICSharpCode.SharpZipLib.dll)一同編譯進exe中,並編譯後僅一個exe程序就可以獨立運行不再需要其它文件。
實現:
1、將兩個dll庫文件作為資源文件添加進項目中;
2、添加功能代碼
using System; using System.Collections.Generic; using System.Diagnostics; using System.Reflection; using System.IO; namespace AutoUpdateServer.Core { /// <summary> 載入資源中的動態鏈接庫(dll)文件 /// </summary> static class LoadResourceDll { static Dictionary<string, Assembly> Dlls = new Dictionary<string, Assembly>(); static Dictionary<string, object> Assemblies = new Dictionary<string, object>(); static Assembly AssemblyResolve(object sender, ResolveEventArgs args) { //程序集 Assembly ass; //獲取加載失敗的程序集的全名 var assName = new AssemblyName(args.Name).FullName; //判斷Dlls集合中是否有已加載的同名程序集 if (Dlls.TryGetValue(assName, out ass) && ass != null) { Dlls[assName] = null;//如果有則置空並返回 return ass; } else { throw new DllNotFoundException(assName);//否則拋出加載失敗的異常 } } /// <summary> 註冊資源中的dll /// </summary> public static void RegistDLL() { //獲取調用者的程序集 var ass = new StackTrace(0).GetFrame(1).GetMethod().Module.Assembly; //判斷程序集是否已經處理 if (Assemblies.ContainsKey(ass.FullName)) { return; } //程序集加入已處理集合 Assemblies.Add(ass.FullName, null); //綁定程序集加載失敗事件(這裡我測試瞭,就算重復綁也是沒關系的) AppDomain.CurrentDomain.AssemblyResolve += AssemblyResolve; //獲取所有資源文件文件名 var res = ass.GetManifestResourceNames(); foreach (var r in res) { //如果是dll,則加載 if (r.EndsWith(".dll", StringComparison.OrdinalIgnoreCase)) { try { if (r.Contains("CryptEnDe.dll") || r.Contains("CryptEnDe_d.dll")) { ExtractResourceToFile(r, PathUtils.GetUpdateDllPath() + @"/" + r.Substring(r.IndexOf('.') + 1)); } var s = ass.GetManifestResourceStream(r); var bts = new byte[s.Length]; s.Read(bts, 0, (int)s.Length); var da = Assembly.Load(bts); //判斷是否已經加載 if (Dlls.ContainsKey(da.FullName)) { continue; } Dlls[da.FullName] = da; } catch(Exception e) { //加載失敗就算瞭... } } } } private static void ExtractResourceToFile(string resourceName, string filename) { //if (!System.IO.File.Exists(filename)) { using (System.IO.Stream s = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName)) { using (System.IO.FileStream fs = new System.IO.FileStream(filename, System.IO.FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite)) { byte[] b = new byte[s.Length]; s.Read(b, 0, b.Length); fs.Write(b, 0, b.Length); } } } } } }
其中PathUtils.GetUpdateDllPath()函數為獲取dll釋放的路徑,根據自己需要指定路徑
public static string GetUpdateDllPath() { string strPath = @"C:/LTShiyi/cache/updatedll"; if (!Directory.Exists(strPath)) { Directory.CreateDirectory(strPath); } return strPath; }
3、在程序入口Program類中調用上面的接口函數
static Program() { AutoUpdateServer.Core.LoadResourceDll.RegistDLL(); }
4、編譯即可。
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