C#动态编译
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using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.CodeDom.Compiler; using Microsoft.CSharp; using System.Reflection; using System.IO; using System.Diagnostics; namespace WindowsFormsApplication18 { public partial class Form2 : Form { private BI_Log _LogEnt = new BI_Log(); public Form2() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { _LogEnt.LogType = "错误"; _LogEnt.Priority = 4; //MessageBox.Show("确定启动吗?", "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Warning); var sw = new Stopwatch(); sw.Start(); Test(); sw.Stop(); Console.WriteLine(sw.ElapsedMilliseconds); } #region private void Test() { var code = @" using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.CodeDom.Compiler; using Microsoft.CSharp; using System.Reflection; using System.IO; using WindowsFormsApplication18; public class Abc { public bool Get(BI_Log ent) { return ent.Priority>3; } } "; string exePath = Assembly.GetExecutingAssembly().Location; string exeDir = Path.GetDirectoryName(exePath); AssemblyName[] assemRefs = Assembly.GetExecutingAssembly().GetReferencedAssemblies(); List<string> references = new List<string>(); foreach (AssemblyName assemblyName in assemRefs) references.Add(assemblyName.Name + ".dll"); for (int i = 0; i < references.Count; i++) { string localName = Path.Combine(exeDir, references[i]); if (File.Exists(localName)) references[i] = localName; } references.Add(exePath); //CompilerParameters compiler_parameters = new CompilerParameters(references.ToArray()); var options = new CompilerParameters(references.ToArray()); options.GenerateExecutable = false; options.GenerateInMemory = true; var provider = new CSharpCodeProvider(); var compile = provider.CompileAssemblyFromSource(options, code); var type = compile.CompiledAssembly.GetType("Abc"); var abc = Activator.CreateInstance(type); var method = type.GetMethod("Get"); var objs = new object[] { _LogEnt}; var result = method.Invoke(abc, objs); Console.WriteLine(result); //输出:abc } #endregion } }