using System;
using System.Text;
using System.IO;
using System.Windows.Forms;
using System.CodeDom.Compiler;
using System.Reflection;
using Microsoft.CSharp;
using System.Drawing;
namespace ConsoleApp29
{
class Program : System.Windows.Forms.Form
{
EventHandler eventHandler;
public Program()
{
eventHandler = OnClick1;
lb1 = new Label();
textBox = new TextBox();
textBox.Location = new System.Drawing.Point(0, 25);
textBox.Multiline = true;
textBox.Width = 200;
textBox.Height = 100;
textBox2 = new TextBox();
textBox2.Location = new System.Drawing.Point(0, 130);
textBox2.Multiline = true;
textBox2.Width = 200;
textBox2.Height = 100;
lb1.Text = "fff";
button1 = new Button();
button1.Location = new System.Drawing.Point(200, 5);
button1.Text = "addd";
button1.Click += eventHandler;
this.Controls.Add(lb1);
this.Controls.Add(button1);
this.Controls.Add(textBox);
this.Controls.Add(textBox2);
}
void OnClick1(object sender, EventArgs e)
{
lb1.Text = "变";
var driver = new CodeDriver();
bool isError;
textBox2.Text = driver.CompileAndRun(textBox.Text, out isError);
if (isError) {
textBox2.BackColor = Color.Red;
}
}
private Button button1;
private Label lb1;
private TextBox textBox;
private TextBox textBox2;
[STAThread]
static void Main(string[] args)
{
Console.WriteLine("ddd");
Application.Run(new Program());
Console.ReadLine();
}
}
class CodeDriver {
private string prefix =
"using System;" +
"public static class Driver" +
"{" +
"public static void Run(){";
private string postfix =
"}" +
"}";
string getcode()
{
string str = "using System;" +
"public static class Driver" +
"{" +
"public static void Run()" +
"{" +
"Console.WriteLine(\"Hello World\");" +
"}" +
"}";
return str;
}
string getCode2() {
return prefix + "Console.WriteLine(\"Hello World\");" + postfix;
}
public string CompileAndRun(string input,out bool hasError)
{
hasError = false;
string returnData = null;
CompilerResults results = null;
using (var provider = new CSharpCodeProvider()) {
var options = new CompilerParameters();
options.GenerateInMemory = true;
var sb = new StringBuilder();
sb.Append(prefix);
sb.Append(input);
sb.Append(postfix);
// compile:编译 Assembly:集合 Source:源代码
results = provider.CompileAssemblyFromSource(options, sb.ToString());
//results = provider.CompileAssemblyFromSource(options, getCode2());
}
if (results.Errors.HasErrors)
{
hasError = true;
var errorMessage = new StringBuilder();
foreach (CompilerError error in results.Errors) {
errorMessage.AppendFormat("{0}{0}", error.Line, error.ErrorText);
returnData = errorMessage.ToString();
}
}
else {
TextWriter temp = Console.Out;
var writer = new StringWriter();
Console.SetOut(writer);
Type driverType = results.CompiledAssembly.GetType("Driver");
driverType.InvokeMember("Run", BindingFlags.InvokeMethod | BindingFlags.Static | BindingFlags.Public,
null, null, null);
Console.SetOut(temp);
returnData = writer.ToString();
}
return returnData;
}
}
}
