Nginx性能概述

通过字符串对控件属性赋值
例如:"BackColor=Color.FromArgb(100,100,100);BackGroundimage=Image.FromFile(\"XXX\")"
其中最关键的部分算是获取动态代码的值.以下为获取动态代码值的类,不足之处还请指正.
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1 usingMicrosoft.CSharp;
2 usingSystem.Reflection;
3  using System.CodeDom.Compiler;
4
5 public static class CSharpCodeValueHelper<T>
6     {
7         /// <summary>
8         /// 编译器实例
9         /// </summary>
10         private static CSharpCodeProvider CSharpCodeProvider { get; set; }
11
12         /// <summary>
13         /// 编译器参数
14         /// </summary>
15         private static CompilerParameters CompilerParameters { get; set; }
16
17         /// <summary>
18         /// 构造函数
19         /// </summary>
20         static CSharpCodeValueHelper()
21         {
22             CSharpCodeProvider = new CSharpCodeProvider();
23
24             CompilerParameters = new CompilerParameters();
25             CompilerParameters.ReferencedAssemblies.Add("System.dll");
26             CompilerParameters.ReferencedAssemblies.Add("System.Data.dll");
27             CompilerParameters.ReferencedAssemblies.Add("System.Deployment.dll");
28             CompilerParameters.ReferencedAssemblies.Add("System.Drawing.dll");
29             CompilerParameters.ReferencedAssemblies.Add("System.Windows.Forms.dll");
30             CompilerParameters.ReferencedAssemblies.Add("System.Xml.dll");
31             CompilerParameters.GenerateExecutable = false;
32             CompilerParameters.GenerateInMemory = true;
33         }
34
35         /// <summary>
36         /// 获取代码的值
37         /// </summary>
38         /// <param name="CSharpCode">CSharpCode代码</param>
39         /// <returns>动态CSharpCode代码的值</returns>
40         public static T GetCodeValue(string CSharpCode)
41         {
42             CompilerResults compilerResults = CSharpCodeProvider.CompileAssemblyFromSource(CompilerParameters, CreateCode(CSharpCode));
43
44             if (compilerResults.Errors.HasErrors)
45             {
46                 string errorString = string.Empty;
47                 errorString += "编译错误：\n";
48                 foreach (CompilerError err in compilerResults.Errors)
49                 {
50                     errorString += err.ErrorText + "\n";
51                 }
52                 throw new Exception(errorString);
53             }
54             else
55             {
56                 // 通过反射，调用动态类DynamicClass实例
57                 Assembly assembly = compilerResults.CompiledAssembly;
58                 object dynamicClass = assembly.CreateInstance("DynamicNamespace.DynamicClass");
59                 MethodInfo methodInfo = dynamicClass.GetType().GetMethod("GetValue");
60
61                 return (T)methodInfo.Invoke(dynamicClass, null);
62             }
63         }
64
65         /// <summary>
66         /// 创建代码
67         /// </summary>
68         /// <param name="CSharpCode">CSharpCode代码</param>
69         /// <returns>创建完成的代码</returns>
70         private static string CreateCode(string CSharpCode)
71         {
72             StringBuilder strBuilder = new StringBuilder();
73             strBuilder.AppendLine("using System;");
74             strBuilder.AppendLine("using System.Collections.Generic;");
75             strBuilder.AppendLine("using System.ComponentModel;");
76             strBuilder.AppendLine("using System.Data;");
77             strBuilder.AppendLine("using System.Drawing;");
78             strBuilder.AppendLine("using System.Text;");
79             strBuilder.AppendLine("using System.Windows.Forms;");
80
81             strBuilder.AppendLine("namespace DynamicNamespace");
82             strBuilder.AppendLine("{");
83             strBuilder.AppendLine("      public class DynamicClass");
84             strBuilder.AppendLine("      {");
85             strBuilder.AppendLine("          public object GetValue()");
86             strBuilder.AppendLine("          {");
87             strBuilder.AppendLine("               return " + CSharpCode + ";");
88             strBuilder.AppendLine("          }");
89             strBuilder.AppendLine("      }");
90             strBuilder.AppendLine("}");
91
92             string code = strBuilder.ToString();
93             return code;
94         }
95     }
96
97
98
99
100

下面是调用(注意调用时特殊字符的转义)

1 Color coor = CSharpCodeValueHelper<Color>.GetCodeValue("Color.FromArgb(100,100,100)");
2
3
4 Image img = CSharpCodeValueHelper<Image>.GetCodeValue("Image.FromFile(\"C:\\\\tu.jpg\")");