如何将字符串转换为以“System.Int32”，“System.Color”等形式存储类型信息的任何类型？

Question

我在xml文件中有一些值：

...
<Effect>
  <Type>Blur</Type>
  <Options>
    <Option Type="System.Int32">88</Option>
    <Option Type="System.Drawing.Color">Color [A=0, R=1, G=2, B=3]</Option>
  </Options>
</Effect>
...

所以，当我得到effect.Options[0]时，它会以字符串"88"出现。我想把它投到"System.Int32"。与effect.Options[1]相同，我想将其投放到"System.Drawing.Color"。

类似的东西：

Converter.Convert value<object> "type"

有什么想法吗？

Answer 1

如果您未与示例XML格式结合，请查看XmlSerialization。所有这些细节都会在序列化和反序列化中得到解决 - 只需几行代码即可。

Answer 2

对于颜色：

System.Drawing.ColorConverter colConvert = new ColorConverter();
Color c =  (System.Drawing.Color)colConvert.ConvertFromString("#FF00EE");

虽然我不确定ConvertFromString采用什么样的参数......

---

类似的东西：

    string sType = "System.Int32";//Get your type from attribute 
    string value = "88"; //Get your element 

    switch (sType)
    {
        case "System.Int32":
            int i = (int)Convert.ChangeType(value, Type.GetType("System.Int32"), CultureInfo.InvariantCulture);
            break;
        case "System.Drawing.Color" :
            Color c = (Color)Convert.ChangeType(value, Type.GetType("System.Drawing.Color"), CultureInfo.InvariantCulture);
            break;
    }

或

for (int i = 0; i < effect.Options.Count; i++)
{
    object oResult = Convert.ChangeType(effect.Options[i], Type.GetType(effect.Options[i].Attributes["Type"].Value.ToString()), CultureInfo.InvariantCulture);
    if (oResult is int)
    {
        //Process as int
        int iTmp = (int)oResult;
    }
    else if (oResult is Color)
    {
        //process as color
        Color cTmp = (Color)oResult;
    }
}

Answer 3

开关（Type.GetType（effect.Options [0] .ToString（）））     {         case typeOf（System.Int32）：             int i =（System.Int32）effect.Options [0];             打破;         case typeOf（System.Drawing.Color）：             System.Drawing.Color color =（System.Drawing.Color）effect.Options [0];             打破;     }

if(effect.Options[0].Attributes["Type"].Value.ToString()) == "System.Int32" /*pseudo code here in this part, just showing that you need to get the type from the XML as an attribute or whatever*/)
{
    int i = (System.Int32)effect.Options[0];
}
else if(effect.Options[0].Attributes["Type"].Value.ToString()) == "System.Drawing.Color"/*pseudo code here in this part, just showing that you need to get the type from the XML as an attribute or whatever*/)
{
    System.Drawing.Color color = (System.Drawing.Color)effect.Options[0];
}