原理很简单，解析程序集生成时的xml描述文档。设置生成程序集时生成xml描述文档的操作如下：
程序界面：
生成后的文档视图（样式调整需改源码）
关键代码：
/// <summary>
/// 生成HTML说明文档
/// </summary>
/// <param name="filePath">文件路径</param>
public void GenneralHtmlDocument(string filePath)
{
XmlDocument doc = new XmlDocument();
doc.Load(filePath);
XmlElement root = doc.DocumentElement;
XmlNodeList nodeList = root.SelectNodes("members")[0].SelectNodes("member");
XmlNode assembly = root.SelectNodes("assembly")[0].SelectNodes("name")[0];
StringBuilder htmlBuilder = new StringBuilder();
htmlBuilder.Append(@"<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.0 Transitional//EN'><html><head><title></title></head><body>");
htmlBuilder.Append("<table>");
foreach (XmlNode item in nodeList)
{
string name = item.Attributes["name"].InnerText;
if (name.StartsWith("T"))//类标识
{
string className = name.Substring(name.LastIndexOf(".") + 1);
htmlBuilder.Append(string.Format(@" <tr><td colspan='6'> <b>【命名空间：{0}】</b></td></tr>", assembly.InnerText.TrimSpace()));
htmlBuilder.Append(string.Format(@" <tr><td colspan='6'> <b>类名：{0}</b></td></tr>", className));
}
else if (name.StartsWith("M"))//方法标识
{
string parmsTypeString = string.Empty;
string[] parmsTypeArr = new string[] { };
if (name.Contains("(") & name.Contains(")"))
{
parmsTypeString = name.Substring(name.IndexOf("(") + 1, name.LastIndexOf(")") - (name.IndexOf("(") + 1));
parmsTypeArr = parmsTypeString.Split(new string[] { "," }, StringSplitOptions.RemoveEmptyEntries);
}
name = name.Contains("(") ? name.Substring(0, name.LastIndexOf("(")) : name;
string methodName = name.Substring(name.LastIndexOf(".") + 1);
string methodDescription = item.SelectNodes("summary")[0].InnerText.TrimSpace();
htmlBuilder.Append(string.Format(@"<tr><td class='tdleft'>方法名</td><td>{0}</td><td class='tdleft'>方法描述</td><td colspan='2'>{1}</td></tr>", methodName, methodDescription));
htmlBuilder.Append("<tr> <td class='tdleft'>参数名称 </td> <td class='tdleft'> 参数类型 </td> <td class='tdleft'> 是否必须 </td><td class='tdleft'>参数描述</td><td class='tdleft'>默认值</td> </tr>");
XmlNodeList parmsList = item.SelectNodes("param");
for (int i = 0; i < parmsList.Count; i++)
{
string parmsName = parmsList[i].Attributes["name"].InnerText.TrimSpace();
string parmsType = i < parmsTypeArr.Length ? parmsTypeArr[i].TrimSpace() : "";
string parmsNotes = parmsList[i].InnerText.TrimSpace();
string parmsIsNull = "Null";
string parmsDefaultValue = GetTypeDefaultValue(parmsType);
htmlBuilder.Append(string.Format("<tr><td>{0}</td><td>{1}</td><td>{2}</td><td>{3}</td><td>{4}</td></tr>",
parmsName, parmsType, parmsIsNull, parmsNotes, parmsDefaultValue));
}
if (item.SelectNodes("returns").Count > 0)
{
string retrun = item.SelectNodes("returns")[0].InnerText.TrimSpace();
htmlBuilder.Append(string.Format("<tr><td class='tdleft'>返回结果：</td><td colspan='5'>{0}</td></tr>", retrun));
}
htmlBuilder.Append("<tr><td colspan='6'></td></tr>");
}
}
htmlBuilder = new StringBuilder(htmlBuilder.ToString().Substring(0, htmlBuilder.ToString().Length - "<tr><td colspan='6'></td></tr>".Length));
htmlBuilder.Append("</table>");
htmlBuilder.Append("<style type='text/css'>");
htmlBuilder.Append(".tdleft{ background-color: #F2F5A9;width:10%;}");
htmlBuilder.Append(".tdvalue{ width:200px;}");
//表格加边框样式
htmlBuilder.Append(@"table{border-collapse:collapse;border-spacing:0;border-left:1px solid #888;border-top:1px solid #888;background:#efefef;}th,td{border-right:1px solid #888;border-bottom:1px solid #888;padding:5px 15px;}th{font-weight:bold;background:#ccc;}");
htmlBuilder.Append("</style>");
htmlBuilder.Append(@"</body></html>");
string documentFilePath = Environment.CurrentDirectory + Path.DirectorySeparatorChar + "document.htm";
SaveStringToFile(documentFilePath, htmlBuilder.ToString());
ShowFile(documentFilePath);
}
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