//  http://127.0.0.1:8080/deleteBug?DeleteID=2119   删除一条，并显示 所有数据
procedure TWebModule1.WebModule1WebActionItem12Action(Sender: TObject;
  Request: TWebRequest; Response: TWebResponse; var Handled: Boolean);
var
  S: string;
   aHTMLtext: TStringList;
  j:integer;
begin
 s:=     Request.QueryFields.Values['DeleteID'];
  if trim(s)<> '' then       begin
     FDQuery1.SQL.Text:='delete from bugtb where BugID  = ' + s  ;
     FDQuery1.ExecSQL;
  end;
  FDQuery1.Open('select *  from bugtb  '  );     //参数为空，返回所有记录
//==============================================================================
  aHTMLtext := TstringList.Create;
aHTMLtext.Add('<style> table{margin:0 auto;border:1px solid #000000;border-collapse:collapse;}th,td{border: 1px solid #000000;text-align:center;}'  // 画 实细线
+'th {background-color: #007bff;   color: #fff;  font-weight: bold;  text-align: center;  padding: 10px;  }  </style>' );   //表头 样式
aHTMLtext.Add(' <table border="1"; width=1000px; > ' );
  aHTMLtext.Add(' <tr > ');
    for j := 1 to FDQuery1.FieldCount do    begin
      aHTMLtext.Add('<th>');
      aHTMLtext.Add(FDQuery1.Fields.FieldByNumber(j).FieldName);   //  列 名
      aHTMLtext.Add('</th>');
    end;
         aHTMLtext.Add('<th>操作栏</th>');
  aHTMLtext.Add(' </tr> ');

  FDQuery1.First;
  while not(FDQuery1.Eof) do      begin
    aHTMLtext.Add(' <tr  > ');
    for j := 1 to FDQuery1.FieldCount do        begin
      aHTMLtext.Add('<td>');
      aHTMLtext.Add(FDQuery1.Fields.FieldByNumber(j).AsString);   //  所有 值
      aHTMLtext.Add('</td>');
    end;
          aHTMLtext.Add('<td> <a onclick="return confirm(''确认删除？'')"  href ="/deleteBug?DeleteID='+ FDQuery1.Fields.FieldByNumber(1).AsString +'">删除</a> </td>  ');
    aHTMLtext.Add(' </tr> ');
    FDQuery1.Next;
  end;
  aHTMLtext.Add('</table>   ');
  S:= aHTMLtext.Text;
  aHTMLtext.Free ;
//--------------------------------------------------------------------------
s:='<input type="button" name="Submit" value="返回到主页" onclick="location.href=''http://127.0.0.1:8080/''" /> ' + s;
   Response.ContentType := 'text/html; charset="UTF-8"';
   Response.Content := S;
  Handled := True;
end;