动态编译-优快云博客

此博客展示了一段C#代码，用于实现代码的动态编译。通过CSharpCodeProvider创建编译器，设置编译参数，读取代码文件内容进行编译。若编译出错则抛出异常，编译成功则返回true，涉及System等多个命名空间的使用。

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using System;
using System.CodeDom;
using System.CodeDom.Compiler;
using Microsoft.CSharp;
using System.Text;
using System.IO;
using System.Reflection;
namespace CompiledDll
{
/**//// <summary>
/// Summary description for Class1.
/// </summary>
public class CompiledDll
{
public CompiledDll(){}
   public string OutFileName;
public bool Complie(string fileName)
{
   ICodeCompiler comp = (new CSharpCodeProvider().CreateCompiler());
   CompilerParameters cp = new CompilerParameters();
   cp.ReferencedAssemblies.Add("system.dll");
   cp.ReferencedAssemblies.Add("system.data.dll");
   cp.ReferencedAssemblies.Add("system.xml.dll");
   cp.ReferencedAssemblies.Add("system.windows.forms.dll");
   //cp.ReferencedAssemblies.Add(@"D:ProjectsVS2003TestBusinessDll.dll");

   cp.GenerateExecutable = false;
   cp.GenerateInMemory = false;
   cp.OutputAssembly=OutFileName;
   StreamReader file=File.OpenText(@fileName);
   string Code=file.ReadToEnd();
   file.Close();

CompilerResults cr = comp.CompileAssemblyFromSource(cp,Code);

   if (cr.Errors.HasErrors)
   {
    StringBuilder error = new StringBuilder();
    error.Append("Error Compiling Expression: ");
    foreach (CompilerError err in cr.Errors)
    {
     error.AppendFormat("{0} ", err.ErrorText);
    }
    throw new Exception("Error Compiling Expression: " + error.ToString());
   }
   else
   {
    return true;
   }
}
}
}