protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
register.Style.Add("display", "none");
Session["UserName"] = Label3.Text;
UserstableViesr us = new UserstableViesr();
DataSet ds = us.GetInfoByDate();
for (int i = 0; i < 6; i++)
{
HtmlImage img = new HtmlImage();
img = (HtmlImage)FindControl("img" + i.ToString());
HtmlAnchor a = (HtmlAnchor)FindControl("a" + i.ToString());
HyperLink hl = (HyperLink)FindControl("HL" + i.ToString());
a.Title = ds.Tables[0].Rows[i][0].ToString();
a.Target = "black";
a.HRef = "Detail.aspx?BookName=" + a.Title + "";
hl.Text = ds.Tables[0].Rows[i][0].ToString();
hl.NavigateUrl = "Detail.aspx?BookName=" + a.Title + "";
img.Src = "/" + ds.Tables[0].Rows[i][1].ToString();
img.Alt = a.Title;
}
}
}
protected void Button1_Click1(object sender, EventArgs e)
{
UserstableViesr us = new UserstableViesr();
if (DropDownList1.SelectedIndex == 0)
{
if (us.GetNumByName(TextBox1.Value) == 0)
{
Response.Redirect("Download.aspx?state=0");
}
else
{
Response.Redirect("Download.aspx?state=1&name=" + TextBox1.Value + "");
}
}
else if (DropDownList1.SelectedIndex == 1)
{
if (us.GetNumByAuthor(TextBox1.Value) == 0)
{
Response.Redirect("Download.aspx?state=0");
}
else
{
Response.Redirect("Download.aspx?state=2&author=" + TextBox1.Value + "");
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Label3.Text = Session["UserName"].ToString();
String bookname = Request["BookName"];
UserstableViesr uv = new UserstableViesr();
DataSet ds = uv.GetBookInfo(bookname);
TxtBookName.Text = ds.Tables[0].Rows[0][0].ToString();
TxtAuthor.Text = ds.Tables[0].Rows[0][1].ToString();
TxtIntroduction.Text = ds.Tables[0].Rows[0][2].ToString();
TxtDate.Text = ds.Tables[0].Rows[0][3].ToString();
ImgBook.ImageUrl = "/" + ds.Tables[0].Rows[0][4].ToString();
}
}
protected void Button3_Click(object sender, EventArgs e)
{
state = 1;
UserstableViesr uv = new UserstableViesr();
if (uv.InsetUserInfo(RegisterName.Text, RegisterPws.Text))
{
ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('注册成功！');</script>");
land.Style.Add("display", "block");
state = 0;
}
else
{
ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('注册失败！');</script>");
}
}
protected void Button3_Click(object sender, EventArgs e)
{
UserstableViesr us = new UserstableViesr();
us.GetBookPath(TxtBookName.Text);
StreamReader fileStream = new StreamReader(Server.MapPath("/" + us.GetBookPath(TxtBookName.Text)), Encoding.GetEncoding("GB2312"));
string result = null;
for (int i = 0; i < 20; i++)
{
result += fileStream.ReadLine();
result += "\r\n";
}
TextArea1.Value = result;
fileStream.Close();
}
protected void Button2_Click(object sender, EventArgs e)
{
//用户实体类实例化
UserstableViesr uv = new UserstableViesr();
//用户DAL里面的登陆用户GetUser方法
if (uv.GetUser(this.UserName.Text, this.UPws.Text))
{
Session["UserName"] = this.UserName.Text;
ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('登陆成功！');</script>");
land.Style.Add("display", "none");
Label3.Text = Session["UserName"].ToString();
}
else
{
ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('登陆失败！');</script>");
}
}
protected void lbx_Click(object sender, EventArgs e)
{
if (Label3.Text == "未登录")
{
ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('没有登录，无法下载，请返回首页登录！');</script>");
}
else
{
UserstableViesr us = new UserstableViesr();
string filePath = Server.MapPath(us.GetBookPath((sender as Button).ID.ToString()));//这里注意了,你得指明要下载文件的路径.
if (System.IO.File.Exists(filePath))
{
FileInfo file = new FileInfo(filePath);
Response.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8"); //解决中文乱码
Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode(file.Name)); //解决中文文件名乱码
Response.AddHeader("Content-length", file.Length.ToString());
Response.ContentType = "appliction/octet-stream";
Response.WriteFile(file.FullName);
Response.End();
}
}
}
protected void Button2_Click(object sender, EventArgs e)
{
if (Label3.Text == "未登录")
{
ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('没有登录，无法下载，请返回首页登录！');</script>");
}
else
{
if (this.PicUpload.PostedFile.FileName == "" || this.FileUpload.PostedFile.FileName == "")
{
Response.Write("上传文件不能为空！");
return;
}
else if (TxtBookName.Text == "")
{
Response.Write("请输入书名！");
return;
}
else if (TxtIntroduction.Text == "")
{
Response.Write("请输入简介！");
return;
}
else if (TxtAuthor.Text == "")
{
Response.Write("请输入作者名：");
}
try
{
String Path = Server.MapPath("Resource/"); //设置服务器端路径
String PicPath = this.PicUpload.PostedFile.FileName; //获取客户端实际路径
String BookPath = this.FileUpload.PostedFile.FileName;
String PicName = PicPath.Substring(PicPath.LastIndexOf("\\") + 1); //获取文件名称
String BookName = BookPath.Substring(BookPath.LastIndexOf("\\") + 1);
String serverPicPath = Path + PicName; //上传的文件保存到服务器端的路径
String serverBookPath = Path + BookName;
String localPicPath = "Resource/" + PicName;
String localBookPath = "Resource/" + BookName;
System.Text.StringBuilder buider1 = new System.Text.StringBuilder();//上传的文件信息:可变字符串
buider1.Append("上传图片的类型:" + this.PicUpload.PostedFile.ContentType.ToString() + "");
buider1.Append("客户端图片地址：" + this.PicUpload.PostedFile.FileName + ""); buider1.Append("上传图片名称：" + PicName);
buider1.Append("上传图片的扩展名：" + PicPath.Substring(PicName.LastIndexOf(".") + 1));
buider1.Append("上传图片的大小：" + this.PicUpload.PostedFile.ContentLength / 1024 + "k" + "");
if (System.IO.File.Exists(serverPicPath))
{
Response.Write("该图片在服务器上已经存在，请不要重复上传！"); return;
}
String str = PicName.Substring(PicName.LastIndexOf(".") + 1);//获取文件后缀名
if (str != "jpg")
{
Response.Write("对不起，只能上传jpg格式图片"); return;
}
System.Text.StringBuilder buider2 = new System.Text.StringBuilder();
buider2.Append("上传文件的类型:" + this.FileUpload.PostedFile.ContentType.ToString() + "");
buider2.Append("客户端文件地址：" + this.FileUpload.PostedFile.FileName + ""); buider2.Append("上传文件名称：" + BookName);
buider2.Append("上传文件的扩展名：" + BookPath.Substring(BookName.LastIndexOf(".") + 1));
buider2.Append("上传文件的大小：" + this.FileUpload.PostedFile.ContentLength / 1024 + "k" + "");
if (System.IO.File.Exists(serverBookPath))
{
Response.Write("该文件在服务器上已经存在，请不要重复上传！"); return;
}
String str1 = BookName.Substring(BookName.LastIndexOf(".") + 1);//获取文件后缀名
if (str1 != "txt")
{
Response.Write("对不起，只能上传txt格式文本"); return;
}
UserstableViesr us = new UserstableViesr();
if (us.UploadResource(Label3.Text, TxtBookName.Text, TxtAuthor.Text, TxtIntroduction.Text, DateTime.Now.ToString("yyyy-MM-dd"), localPicPath, localBookPath, BookType.Text))
{
this.PicUpload.PostedFile.SaveAs(serverPicPath); //上传保存文件
this.FileUpload.PostedFile.SaveAs(serverBookPath); //上传保存文件
}
else
{
Response.Write("<script>alert('上传失败！')</script>");
}
}
finally
{
ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('上传成功！');</script>");
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
Label3.Text = Session["UserName"].ToString();
String state = Request["state"];
UserstableViesr us = new UserstableViesr();
int num = us.GetNum();
DataSet ds = us.GetInfo();
if (state.Equals("0"))
{
ClientScript.RegisterStartupScript(GetType(), "message", "<script>alert('没有找到任何记录，显示全部的下载资源！');</script>");
}
else if (state.Equals("1"))
{
String bookname = Request["name"];
num = us.GetNumByName(bookname);
ds = us.GetInfoByName(bookname);
}
else if (state.Equals("2"))
{
String author = Request["author"];
num = us.GetNumByAuthor(author);
ds = us.GetInfoByAuthor(author);
}
else if (state.Equals("3"))
{
String type = Request["booktype"];
num = us.GetNumByType(type);
ds = us.GetInfoByType(type);
}
int row = num / 3 + 1;
for (int i = 0; i < row; i++)
{
TableRow tr = new TableRow();
tr.VerticalAlign = VerticalAlign.Middle;
for (int j = 0; j < 3; j++)
{
if ((i * 3 + j) == num)
{
break;
}
else
{
TableCell td = new TableCell();
td.VerticalAlign = VerticalAlign.Middle;
td.Width = 200;
td.Height = 200;
Image ig = new Image();
ig.ImageUrl = "/" + ds.Tables[0].Rows[i * 3 + j][1].ToString();
ig.Width = 200;
ig.Height = 250;
LinkButton lb = new LinkButton();
Button xq = new Button();
xq.Text = "下载";
lb.Text = ds.Tables[0].Rows[i * 3 + j][0].ToString();
lb.Width = 200;
xq.Click += new EventHandler(lbx_Click);
xq.ID = lb.Text;
lb.PostBackUrl = "Detail.aspx?BookName=" + lb.Text + "";
td.Controls.Add(ig);
td.Controls.Add(lb);
td.Controls.Add(xq);
tr.Cells.Add(td);
}
}
Table1.Rows.Add(tr);
}
}
