protected void Delete_Click(object sender, EventArgs e)
{
for (int i = 0; i < DataList1.Items.Count; i++)
{
if (((CheckBox)DataList1.Items[i].FindControl("selected")).Checked == true)
{
object s = ((System.Web.UI.WebControls.HyperLink)DataList1.Items[i].FindControl("Hyperlink3")).Text;
NewsImageBLL NewsImageBLL = new NewsImageBLL();
if (NewsImageBLL.Delete1(s))
{
string url1 = ((System.Web.UI.WebControls.Image)DataList1.Items[i].FindControl("CommodityImage")).ImageUrl.ToString();
string webFilePath = Server.MapPath(url1);//用来删除原有的图片
System.IO.FileInfo file = new System.IO.FileInfo(webFilePath);
if (file.Exists)
{
file.Delete();//删除
}
string url2 = ((System.Web.UI.WebControls.Image)DataList1.Items[i].FindControl("basicImage")).ImageUrl.ToString();
string webFilePath2 = Server.MapPath(url2);//用来删除原有的图片
System.IO.FileInfo file2 = new System.IO.FileInfo(webFilePath2);
if (file2.Exists)
{
file2.Delete();//删除
}
}
}
}
this.Response.Redirect(this.Request.Url.ToString());
}
protected void DataList1_DeleteCommand(object sender, DataListCommandEventArgs e)
{
string url1 = ((System.Web.UI.WebControls.Image)e.Item.FindControl("CommodityImage")).ImageUrl.ToString();
string webFilePath = Server.MapPath(url1);//用来删除原有的图片
System.IO.FileInfo file = new System.IO.FileInfo(webFilePath);
if (file.Exists)
{
file.Delete();//删除
}
string url3 = ((System.Web.UI.WebControls.Image)e.Item.FindControl("basicImage")).ImageUrl.ToString();
string webFilePath2 = Server.MapPath(url3);//用来删除原有的图片
System.IO.FileInfo file2 = new System.IO.FileInfo(webFilePath2);
if (file2.Exists)
{
file2.Delete();//删除
}
NewsImageBLL newsimagebll2 = new NewsImageBLL();
string id = e.CommandArgument.ToString();
if (newsimagebll2.Delete1(id))
{
Response.Write("<script>alert('删除成功');</script>");
}
this.Response.Redirect(this.Request.Url.ToString());
}
protected void Page_Load(object sender, EventArgs e)
{
newsimagebll = new NewsImageBLL();
if (!IsPostBack)
{
DateBind();
}
}
protected void Page_Load(object sender, EventArgs e)
{
newsimagebll = new NewsImageBLL();
if (!IsPostBack)
{
string id = Request["id"].ToString();
listview1(int.Parse(id));
}
}
public void DateBind(object id)//绑定要修改的信息
{
NewsImageBLL newsimagelbll = new NewsImageBLL();
RightImage ni = new RightImage();
ni = newsimagelbll.GetNewsImage1(id);
TxtTitle.Text = ni.Title;
this.Image1.ImageUrl = "~/IndexImages/" + ni.Url;
TxtDate.Text = ni.AddDate.ToString("d");
}
protected void Add_Click(object sender, EventArgs e)
{
RightImage na = new RightImage();
NewsImageBLL newsimagebll = new NewsImageBLL();
string newname = "";
if (FileUp.HasFile)
{
FileInfo file = new FileInfo(FileUp.PostedFile.FileName);
if (file.Extension.ToLower() != ".bmp" && file.Extension.ToLower() != ".jpg" && file.Extension.ToLower() != ".jpeg" && file.Extension.ToLower() != ".png" && file.Extension.ToLower() != ".gif")
{
Response.Write("<script>alert('上传的资料格式应为bmp/jpg/jpeg/png/gif格式');history.back(-1);</script>");
return;
}
string filename = FileUp.PostedFile.FileName;
filename = System.IO.Path.GetFileName(filename);
//改文件名
int index = filename.LastIndexOf(".");
string lastName = filename.Substring(index, filename.Length - index);//获得文件后缀类型
//新文件名称,以时间年月日时分秒作为文件名
newname = "RightImage" + DateTime.Now.ToString("yyyyMMddhhmmss") + lastName;
double size = FileUp.PostedFile.ContentLength;
string webFilePath = Server.MapPath("/NewsImages/" + newname);
if (!File.Exists(webFilePath))
{
FileUp.SaveAs(webFilePath); // 使用 SaveAs 方法保存文件
System.Drawing.Image image = System.Drawing.Image.FromFile(webFilePath);
float a = image.Width / image.Height;
if (a > 5)
{
image.Dispose();
File.Delete(webFilePath);
Response.Write("<script>alert('高宽比例不合适');</script>");
return;
}
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(image, 168, 155);
string path = Server.MapPath("/IndexImages/" + newname);
if (!File.Exists(path))
{
bmp.Save(path);
}
image.Dispose();
bmp.Dispose();
}
else
{
Response.Write("<script>alert('上传失败，请重试！')</script>");
return;
}
}
na.Url = newname;
na.AddDate = Convert.ToDateTime(TxtDate.Text);
string title = Server.HtmlEncode(TxtTitle.Text.Trim());
na.Title = title;
if (newsimagebll.Add1(na))
{
Response.Write("<script>alert('添加成功');window.location.href='RightMgr.aspx';</script>");
}
else
{
Response.Write("<script>alert('添加失败');history.back();</script>");
}
}
protected void Save_Click(object sender, EventArgs e)
{
object id = Request.QueryString["id"];//有待改善不安全
RightImage ni = new RightImage();
NewsImageBLL newsimagebll = new NewsImageBLL();
string title = Server.HtmlEncode(TxtTitle.Text.Trim());
ni.AddDate = Convert.ToDateTime(TxtDate.Text);
ni.Title = title;
ni.Id = id;
string name = this.Image1.ImageUrl.Substring(14);//原来图片的URL
if (FileUp.PostedFile.ContentLength == 0)
{
ni.Url = name;
}
else
{
FileInfo file1 = new FileInfo(FileUp.PostedFile.FileName);
if (file1.Extension.ToLower() != ".bmp" && file1.Extension.ToLower() != ".jpg" && file1.Extension.ToLower() != ".jpeg" && file1.Extension.ToLower() != ".png" && file1.Extension.ToLower() != ".gif")
{
Response.Write("<script>alert('上传的资料格式应为bmp/jpg/jpeg/png/gif格式');history.back(-1);</script>");
return;
}
string webFilePath = Server.MapPath("~/NewsImages/" + name);//用来删除原有的图片
string indexpath = Server.MapPath(this.Image1.ImageUrl);
string filename = FileUp.PostedFile.FileName;
filename = System.IO.Path.GetFileName(filename);
//改文件名
int index = filename.LastIndexOf(".");
string lastName = filename.Substring(index, filename.Length - index);//获得文件后缀类型
//新文件名称,以时间年月日时分秒作为文件名
string newname = "NewImage" + DateTime.Now.ToString("yyyyMMddhhmmss") + lastName;
string newpath = Server.MapPath("/NewsImages/" + newname);//用来保存新上传的图片
string newindexpath = Server.MapPath("/IndexImages/" + newname);
System.IO.FileInfo file = new System.IO.FileInfo(webFilePath);
System.IO.FileInfo indexfile = new System.IO.FileInfo(indexpath);
if (file.Exists)
{
file.Delete();//删除
}
if (indexfile.Exists)
{
indexfile.Delete();//删除
}
if (!File.Exists(newpath))
{
FileUp.SaveAs(newpath);// 使用 SaveAs 方法保存文件
System.Drawing.Image image = System.Drawing.Image.FromFile(newpath);
float a = image.Width / image.Height;
if (a > 5)
{
image.Dispose();
File.Delete(newpath);
Response.Write("<script>alert('高宽比例不合适');</script>");
return;
}
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(image, 168, 155);
if (!File.Exists(newindexpath))
{
bmp.Save(newindexpath);
}
image.Dispose();
bmp.Dispose();
}
ni.Url = newname;
}
if (newsimagebll.Update1(ni))
{
Response.Write("<script>alert('更新成功');window.location.href='RightMgr.aspx';</script>");
}
else
{
Response.Write("<script>alert('更新失败');history.back();</script>");
}
}
public void newimages() //图片新闻
{
newsimagesbll = new NewsImageBLL();
this.DatalistNewsImages.DataSource = newsimagesbll.Gettable(4);
this.DatalistNewsImages.DataBind();
}