/// <summary>
/// 批量生成验证码
/// </summary>
/// <param name="captcha">验证码帮助类</param>
/// <param name="row">生成的行数</param>
/// <param name="column">生成的列数</param>
/// <param name="filePath">保存的图片的完整路径</param>
private void BatchGenerateCaptcha(CaptchaHelper captcha, int row, int column, string filePath)
{
var hasChinese = captcha.Mode == CaptchaMode.Chinese || captcha.Mode == CaptchaMode.QuestionBank;
int sigleWidth = captcha.StringLength * captcha.FontSize * (hasChinese ? 2 : 1);
int sigleHeight = Convert.ToInt32(0.6 * captcha.FontSize + captcha.FontSize);
int width = sigleWidth * column; //总图片宽度
int height = sigleHeight * row; //总图片高度
var image = new Bitmap(width, height);
using Graphics graphics = Graphics.FromImage(image);
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.Clear(Color.White);
for (int j = 0; j < 20; j++)
{
for (int i = 0; i < 10; i++)
{
graphics.DrawImage(
captcha.GetCaptcha().Image, //生成的验证码
i * sigleWidth, //X位置
j * sigleHeight, //Y位置
sigleWidth, //单张验证码长度
sigleHeight //单张验证码高度
);
}
}
using FileStream stream = new(filePath, FileMode.OpenOrCreate);
image.Save(stream, System.Drawing.Imaging.ImageFormat.Jpeg);
}
/// <summary>
/// Handles the Load event of the Page control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
protected void Page_Load([NotNull] object sender, [NotNull] EventArgs e)
{
if (this.PageBoardContext.PageForumID == 0)
{
this.Get <LinkBuilder>().AccessDenied();
}
if (this.Get <HttpRequestBase>()["t"] == null && this.Get <HttpRequestBase>()["m"] == null &&
!this.PageBoardContext.ForumPostAccess)
{
this.Get <LinkBuilder>().AccessDenied();
}
if (this.Get <HttpRequestBase>()["t"] != null && !this.PageBoardContext.ForumReplyAccess)
{
this.Get <LinkBuilder>().AccessDenied();
}
if (this.EditMessageId.HasValue)
{
var editMessage = this.GetRepository <Message>().GetMessageAsTuple(this.EditMessageId.Value);
if (editMessage != null)
{
this.ownerUserId = editMessage.Item2.UserID;
if (!this.CanEditPostCheck(editMessage.Item2, this.PageBoardContext.PageTopic))
{
this.Get <LinkBuilder>().AccessDenied();
}
}
this.editedMessage = editMessage;
// we edit message and should transfer both the message ID and TopicID for PageLinks.
this.PollList.EditMessageId = this.EditMessageId.Value;
}
this.HandleUploadControls();
if (!this.IsPostBack)
{
var normal = new ListItem(this.GetText("normal"), "0");
normal.Attributes.Add(
"data-content",
$"<span class='select2-image-select-icon'><i class='far fa-comment fa-fw text-secondary me-1'></i>{this.GetText("normal")}</span>");
this.Priority.Items.Add(normal);
var sticky = new ListItem(this.GetText("sticky"), "1");
sticky.Attributes.Add(
"data-content",
$"<span class='select2-image-select-icon'><i class='fas fa-thumbtack fa-fw text-secondary me-1'></i>{this.GetText("sticky")}</span>");
this.Priority.Items.Add(sticky);
var announcement = new ListItem(this.GetText("announcement"), "2");
announcement.Attributes.Add(
"data-content",
$"<span class='select2-image-select-icon'><i class='fas fa-bullhorn fa-fw text-secondary me-1'></i>{this.GetText("announcement")}</span>");
this.Priority.Items.Add(announcement);
this.Priority.SelectedIndex = 0;
// Allow the Styling of Topic Titles only for Mods or Admins
if (this.PageBoardContext.BoardSettings.UseStyledTopicTitles &&
(this.PageBoardContext.ForumModeratorAccess || this.PageBoardContext.IsAdmin))
{
this.StyleRow.Visible = true;
}
else
{
this.StyleRow.Visible = false;
}
this.EditReasonRow.Visible = false;
this.PriorityRow.Visible = this.PageBoardContext.ForumPriorityAccess;
// update options...
this.PostOptions1.Visible = !this.PageBoardContext.IsGuest;
this.PostOptions1.PersistentOptionVisible =
this.PageBoardContext.IsAdmin || this.PageBoardContext.ForumModeratorAccess;
this.PostOptions1.WatchOptionVisible = !this.PageBoardContext.IsGuest;
this.PostOptions1.PollOptionVisible = false;
if (!this.PageBoardContext.IsGuest)
{
this.PostOptions1.WatchChecked = this.PageBoardContext.PageTopicID > 0
? this.GetRepository <WatchTopic>().Check(this.PageBoardContext.PageUserID, this.PageBoardContext.PageTopicID).HasValue
: this.PageBoardContext.PageUser.AutoWatchTopics;
}
if (this.PageBoardContext.IsGuest && this.PageBoardContext.BoardSettings.EnableCaptchaForGuests ||
this.PageBoardContext.BoardSettings.EnableCaptchaForPost && !this.PageBoardContext.PageUser.UserFlags.IsCaptchaExcluded)
{
this.imgCaptcha.ImageUrl = CaptchaHelper.GetCaptcha();
this.tr_captcha1.Visible = true;
this.tr_captcha2.Visible = true;
}
this.PageLinks.AddRoot();
this.PageLinks.AddCategory(this.PageBoardContext.PageCategory);
this.PageLinks.AddForum(this.PageBoardContext.PageForum);
// editing a message...
this.InitEditedPost(this.editedMessage);
this.PollList.EditMessageId = this.EditMessageId.Value;
// form user is only for "Guest"
if (this.PageBoardContext.IsGuest)
{
this.From.Text = this.PageBoardContext.PageUser.DisplayOrUserName();
this.FromRow.Visible = false;
}
}
// Set Poll
this.PollId = this.PageBoardContext.PageTopic.PollID;
this.PollList.TopicId = this.PageBoardContext.PageTopicID;
this.PollList.PollId = this.PollId;
}
/// <summary>
/// Handles the Load event of the Page control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
protected void Page_Load([NotNull] object sender, [NotNull] EventArgs e)
{
if (this.PageBoardContext.PageForumID == 0)
{
this.Get <LinkBuilder>().AccessDenied();
}
if (!this.PageBoardContext.ForumPostAccess)
{
this.Get <LinkBuilder>().AccessDenied();
}
this.Title.Text = this.GetText("NEWTOPIC");
this.HandleUploadControls();
if (this.IsPostBack)
{
return;
}
var normal = new ListItem(this.GetText("normal"), "0");
normal.Attributes.Add(
"data-content",
$"<span class='select2-image-select-icon'><i class='far fa-comment fa-fw text-secondary me-1'></i>{this.GetText("normal")}</span>");
this.Priority.Items.Add(normal);
var sticky = new ListItem(this.GetText("sticky"), "1");
sticky.Attributes.Add(
"data-content",
$"<span class='select2-image-select-icon'><i class='fas fa-thumbtack fa-fw text-secondary me-1'></i>{this.GetText("sticky")}</span>");
this.Priority.Items.Add(sticky);
var announcement = new ListItem(this.GetText("announcement"), "2");
announcement.Attributes.Add(
"data-content",
$"<span class='select2-image-select-icon'><i class='fas fa-bullhorn fa-fw text-secondary me-1'></i>{this.GetText("announcement")}</span>");
this.Priority.Items.Add(announcement);
this.Priority.SelectedIndex = 0;
// Allow the Styling of Topic Titles only for Mods or Admins
if (this.PageBoardContext.BoardSettings.UseStyledTopicTitles &&
(this.PageBoardContext.ForumModeratorAccess || this.PageBoardContext.IsAdmin))
{
this.StyleRow.Visible = true;
}
else
{
this.StyleRow.Visible = false;
}
this.PriorityRow.Visible = this.PageBoardContext.ForumPriorityAccess;
// update options...
this.PostOptions1.Visible = !this.PageBoardContext.IsGuest;
this.PostOptions1.PersistentOptionVisible =
this.PageBoardContext.IsAdmin || this.PageBoardContext.ForumModeratorAccess;
this.PostOptions1.WatchOptionVisible = !this.PageBoardContext.IsGuest;
this.PostOptions1.PollOptionVisible = this.PageBoardContext.ForumPollAccess;
if (!this.PageBoardContext.IsGuest)
{
this.PostOptions1.WatchChecked = this.PageBoardContext.PageTopicID > 0
? this.GetRepository <WatchTopic>().Check(this.PageBoardContext.PageUserID, this.PageBoardContext.PageTopicID).HasValue
: this.PageBoardContext.PageUser.AutoWatchTopics;
}
if (this.PageBoardContext.IsGuest && this.PageBoardContext.BoardSettings.EnableCaptchaForGuests ||
this.PageBoardContext.BoardSettings.EnableCaptchaForPost && !this.PageBoardContext.PageUser.UserFlags.IsCaptchaExcluded)
{
this.imgCaptcha.ImageUrl = CaptchaHelper.GetCaptcha();
this.tr_captcha1.Visible = true;
this.tr_captcha2.Visible = true;
}
// enable similar topics search
this.TopicSubjectTextBox.CssClass += " searchSimilarTopics";
if (!this.PageBoardContext.IsGuest)
{
return;
}
// form user is only for "Guest"
this.From.Text = this.PageBoardContext.PageUser.DisplayOrUserName();
if (this.User != null)
{
this.FromRow.Visible = false;
}
}
