/// <summary>
/// 得到一个对象实体
/// </summary>
public entity_ImageList DataRowToModel(DataRow row)
{
entity_ImageList model = new entity_ImageList();
if (row != null)
{
if (row["sid"] != null)
{
model.sid = row["sid"].ToString();
}
if (row["name"] != null)
{
model.name = row["name"].ToString();
}
if (row["url"] != null)
{
model.url = row["url"].ToString();
}
if (row["bookName"] != null)
{
model.bookName = row["bookName"].ToString();
}
if (row["type"] != null)
{
model.Type = row["type"].ToString();
}
if (row["pid"] != null)
{
model.Pid = row["pid"].ToString();
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(entity_ImageList model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into ImageList(");
strSql.Append("sid,name,url,bookName,type,pid)");
strSql.Append(" values (");
strSql.Append("@sid,@name,@url,@bookName,@type,@pid)");
SqlParameter[] parameters =
{
new SqlParameter("@sid", SqlDbType.NVarChar, 50),
new SqlParameter("@name", SqlDbType.NVarChar, 50),
new SqlParameter("@url", SqlDbType.NVarChar, 500),
new SqlParameter("@bookName", SqlDbType.NVarChar, 50),
new SqlParameter("@type", SqlDbType.NVarChar, 50),
new SqlParameter("@pid", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.sid;
parameters[1].Value = model.name;
parameters[2].Value = model.url;
parameters[3].Value = model.bookName;
parameters[4].Value = model.Type;
parameters[5].Value = model.Pid;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
protected void upload_Click(object sender, EventArgs e)
{
if (this.FileUpload.FileName.Equals(""))
{
this.Page.ClientScript.RegisterStartupScript(this.Page.GetType(), "", "alert('请选择图片');", true);
return;
}
if (!Common.fileUpHelper.CheckFileType(this.FileUpload.FileName))
{
this.Page.ClientScript.RegisterStartupScript(this.Page.GetType(), "", "alert('上传文件不是图片');", true);
return;
}
entity_ImageList imgs = new entity_ImageList();
string ImagePath = "../UpLoad/";
if (!Directory.Exists(Server.MapPath(ImagePath)))
{
Directory.CreateDirectory(Server.MapPath(ImagePath));
}
imgs.sid = Guid.NewGuid().ToString();
imgs.name = DateTime.Now.ToString("yyyyMMddhhmmssfff") + Path.GetExtension(this.FileUpload.FileName);
imgs.url = ImagePath + imgs.name;
//ImagePath = imgs.url;
imgs.bookName = "";
imgs.Pid = ViewState["sid"].ToString();
imgs.Type = "";
this.FileUpload.SaveAs(Server.MapPath(imgs.url));
img.Add(imgs);
//todo:把图片显示在页面上
this.Image.ImageUrl = ImagePath + imgs.name;
this.Panel.Visible = true;
}
private void getImage()
{
bool isImage = false;
isImage = img.ImgExists(sid);
if (isImage)
{
this.Panel.Visible = true;
entity_ImageList imgs = img.imgGetModel(sid);
this.Image.ImageUrl = imgs.url;
}
else
{
this.Panel.Visible = false;
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(entity_ImageList model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update ImageList set ");
strSql.Append("name=@name,");
strSql.Append("url=@url,");
strSql.Append("bookName=@bookName,");
strSql.Append("type=@type,");
strSql.Append("pid=@pid");
strSql.Append(" where sid=@sid ");
SqlParameter[] parameters =
{
new SqlParameter("@name", SqlDbType.NVarChar, 50),
new SqlParameter("@url", SqlDbType.NVarChar, 500),
new SqlParameter("@bookName", SqlDbType.NVarChar, 50),
new SqlParameter("@sid", SqlDbType.NVarChar, 50),
new SqlParameter("@type", SqlDbType.NVarChar, 50),
new SqlParameter("@pid", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.name;
parameters[1].Value = model.url;
parameters[2].Value = model.bookName;
parameters[3].Value = model.sid;
parameters[4].Value = model.Type;
parameters[5].Value = model.Pid;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public entity_ImageList imgGetModel(string sid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 sid,name,url,bookName,type,pid from ImageList ");
strSql.Append(" where pid=@sid ");
SqlParameter[] parameters =
{
new SqlParameter("@sid", SqlDbType.NVarChar, 50)
};
parameters[0].Value = sid;
entity_ImageList model = new entity_ImageList();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(entity_ImageList model)
{
return(dal.Update(model));
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(entity_ImageList model)
{
return(dal.Add(model));
}
