private void GenerateEntity()
{
  try
  {
    string result = ChangeWords("specific content...");
    txtContent.Text = result;
    ChangeColor();
  }
  catch (Exception ex)
  {
    MessageBox.Show("類(lèi)生成失??！錯(cuò)誤信息：" + ex.Message);
  }
}
private string ChangeWords(string content)
{
  //先替換"nvarchar"、"varchar"、"nchar"，再替換"char"
  //不然"nvarchar"、"varchar"、"nchar"就會(huì)被替換為
  //nvarstring"、"varstring"、"nstring"不能進(jìn)行原有規(guī)則替換
  string result = Regex.Replace(content, "nvarchar", "string");
  //進(jìn)行下一步替換的時(shí)一定要以上一步替換的返回結(jié)果為數(shù)據(jù)源而不是content
  //因?yàn)閏ontent值沒(méi)有改變
  result = Regex.Replace(result, "varchar", "string");
  result = Regex.Replace(result, "nchar", "string");
  result = Regex.Replace(result, "char", "string");
  result = Regex.Replace(result, "tinyint", "int");
  result = Regex.Replace(result, "smallint", "int");
  result = Regex.Replace(result, "bigint", "int");
  result = Regex.Replace(result, "datetime", "DateTime");
  return result;
}

private void ChangeColor()
{
  txtContent.SelectionStart = 0;
  txtContent.SelectionLength = txtContent.Text.Length;
  txtContent.SelectionColor = Color.Black;
  //列注釋不為空時(shí)，改變列注釋顏色
  if (listDescription.Count > 0)
  {
    ChangeKeyColor(listDescription, Color.Green);
  }
  ChangeKeyColor("namespace", Color.Blue);
  ChangeKeyColor("public", Color.Blue);
  ChangeKeyColor("class", Color.Blue);
  ChangeKeyColor("http:/// <summary>",Color.Gray);
  ChangeKeyColor("http:///", Color.Gray);
  ChangeKeyColor("http:/// </summary>", Color.Gray);
  ChangeKeyColor("int", Color.Blue);
  ChangeKeyColor("double", Color.Blue);
  ChangeKeyColor("float", Color.Blue);
  ChangeKeyColor("char", Color.Blue);
  ChangeKeyColor("string", Color.Blue);
  ChangeKeyColor("bool", Color.Blue);
  ChangeKeyColor("decimal", Color.Blue);
  ChangeKeyColor("enum", Color.Blue);
  ChangeKeyColor("const", Color.Blue);
  ChangeKeyColor("struct", Color.Blue);
  ChangeKeyColor("DateTime", Color.CadetBlue);
  ChangeKeyColor("get",Color.Blue);
  ChangeKeyColor("set", Color.Blue);
}
public void ChangeKeyColor(string key, Color color)
{
  Regex regex = new Regex(key);
  //找出內(nèi)容中所有的要替換的關(guān)鍵字
  MatchCollection collection = regex.Matches(txtContent.Text);
  //對(duì)所有的要替換顏色的關(guān)鍵字逐個(gè)替換顏色
  foreach (Match match in collection)
  {
    //開(kāi)始位置、長(zhǎng)度、顏色缺一不可
    txtContent.SelectionStart = match.Index;
    txtContent.SelectionLength = key.Length;
    txtContent.SelectionColor = color;
  }
}
public void ChangeKeyColor(List<string> list, Color color)
{
  foreach (string str in list)
  {
    ChangeKeyColor(str, color);
  }
}