addproduct.cs

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.IO;
using Shop.SystemControls;
using System.Data.SqlClient;
using System.Drawing.Imaging;
using Shop.Systemcontrols;
using System.Xml;
using System.Text;
using picmark;

namespace Shop.Controls
{
    /**//// <summary>
    /// addproduct 的摘要说明。
    /// </summary>
    public class addproduct:TemplatedWebControl
    {
        public string sql,name2,StrPath;
        protected DataSet ds = new DataSet();
        protected Systemcontrols.DAL.product dbproduct = new Shop.Systemcontrols.DAL.product();
        protected Systemcontrols.DAL.bigclass dbbigclass = new Shop.Systemcontrols.DAL.bigclass();
        protected Systemcontrols.DAL.author dbauthor = new Shop.Systemcontrols.DAL.author();
        protected Systemcontrols.DAL.year dbyear = new Shop.Systemcontrols.DAL.year();
        protected System.Web.UI.WebControls.TextBox temp;
        TextBox TextBox1;
        TextBox TextBox2;
        TextBox TextBox4;
        TextBox TextBox6;
        TextBox TextBox7;
        DropDownList DropDownList1;
        DropDownList DropDownList2;
        DropDownList DropDownList3;
        DropDownList DropDownList4;
        Button Button1;
        Button Button2;
        Label Label9;
        HtmlInputFile fileup1;
        private string AllowExtendName = ".JPEG|.JPE|.JPG";    // 允许的文件扩展名称。大写
        public addproduct()
        {
            StrPath = HttpContext.Current.Server.MapPath("../fpv/fpv_xmls/photos.xml");
        }

        method#region method
        private string big
        {
            get
            {
                if(ViewState["big"] != null && ViewState["big"].ToString() != "")
                {
                    return ViewState["big"].ToString();
                }
                else
                {
                    if(HttpContext.Current.Request["big"] != null && HttpContext.Current.Request["big"].ToString() != "")
                    {
                        return HttpContext.Current.Request["big"];
                    }
                    else
                    {
                        return "";
                    }
                }
            }
            set
            {
                ViewState["big"] = value;
            }
        }
        #endregion

        private void down1_bind()
        {
            DropDownList1.DataTextField = "name";
            DropDownList1.DataValueField = "Big_classid";
            DropDownList1.DataSource = dbbigclass.GetList();
            DropDownList1.DataBind();
//            DropDownList1.Items.Insert(0,new ListItem("请选择",""));
        }

        private void myinit2()
        {
            DropDownList3.DataTextField = "author_name";
            DropDownList3.DataValueField = "id";
            DropDownList3.DataSource = dbauthor.GetList();
            DropDownList3.DataBind();
            DropDownList3.Items.Insert(0,new ListItem("请选择",""));
        }

        private void myinit3()
        {
            DropDownList4.DataTextField = "name";
            DropDownList4.DataValueField = "id";
            DropDownList4.DataSource = dbyear.GetList();
            DropDownList4.DataBind();
            DropDownList4.Items.Insert(0,new ListItem("请选择",""));
        }

        protected override void AttachChildControls()
        {
            TextBox1 = (TextBox)FindControl("TextBox1");
            TextBox2 = (TextBox)FindControl("TextBox2");
            TextBox4 = (TextBox)FindControl("TextBox4");
            TextBox6 = (TextBox)FindControl("TextBox6");
            TextBox7 = (TextBox)FindControl("TextBox7");
            Button1 = (Button)FindControl("Button1");
            Button2 = (Button)FindControl("Button2");
            DropDownList1 = (DropDownList)FindControl("DropDownList1");
            DropDownList2 = (DropDownList)FindControl("DropDownList2");
            DropDownList3 = (DropDownList)FindControl("DropDownList3");
            DropDownList4 = (DropDownList)FindControl("DropDownList4");
            Button1.Click += new EventHandler(Button1_Click);
            Button2.Click += new EventHandler(Button2_Click);
            fileup1 = (HtmlInputFile)FindControl("fileup1");
            Label9 = (Label)FindControl("Label9");
            temp = (System.Web.UI.WebControls.TextBox)FindControl( "temp" );

            StringBuilder sbHidden = new StringBuilder( );
            sbHidden.Append( "<script language = javascript >" );
            sbHidden.Append( "    document.getElementById( \"" + temp.ClientID + "\" ).style.visibility = \"hidden\";" );
            sbHidden.Append( "</script>" );
            this.Page.RegisterStartupScript( "", sbHidden.ToString( ));

            DropDownList2.Attributes.Add( "OnChange", "AttachValue( );" );
            script();
            if (!Page.IsPostBack)
            {
                myinit2();
                myinit3();
                down1_bind();
                DropDownList1.Attributes.Add("onchange","XmlPost2(this);");
            }
            if(big != "")
　　        {
　　　　        down2_bind(big);
　　        }
        }
        脚本#region 脚本
        private void script()
        {
            StringBuilder sb = new StringBuilder( );
            sb.Append( "<SCRIPT language=\"javascript\">");            
            sb.Append( "function XmlPost2(obj)" );
            sb.Append( "{" );
　　        sb.Append( "    var svalue = obj.value;" );
　　        sb.Append( "    var webFileUrl = \"?big=\" + svalue;" );
　　        sb.Append( "    var result = \"\";" );
　　        sb.Append( "    var xmlHttp = new ActiveXObject(\"MSXML2.XMLHTTP\"); " );
　　        sb.Append( "    xmlHttp.open(\"POST\", webFileUrl, false); " );
　　        sb.Append( "    xmlHttp.send(\"\");"  );
　　        sb.Append( "    result = xmlHttp.responseText;" );
            sb.Append( "    if(result != \"\")" );
            sb.Append("        {");
　　        sb.Append( "        document.all(\"" + DropDownList2.ClientID + "\").length = 0;" );
　　　　    sb.Append( "        var piArray = result.split(\",\");" );
　　　　    sb.Append( "        for(var i=0;i<piArray.length;i++)" );
　　　　    sb.Append( "        {");
            sb.Append( "            var ary1 = piArray[i].toString().split(\"|\");" );
　　　　　　sb.Append( "            document.all(\"" + DropDownList2.ClientID + "\").options.add( new Option( ary1[ 1 ].toString( ),ary1[ 0 ].toString( ) ) );" );
　　　　    sb.Append( "        }" );
　　        sb.Append( "    }" );
　　        sb.Append( "    else" );
            sb.Append("        {");
　　　　    sb.Append( "        alert('此大类下还没有小类，请先添加');");
            sb.Append( "        document.all(\"" + DropDownList2.ClientID + "\").length = 0;" );
            sb.Append( "    }" );
　　        sb.Append( "}" );
            sb.Append( "function AttachValue() " );
            sb.Append( "{" );
            sb.Append( "    var i;");
            sb.Append( "    for( i = 0; i < document.all(\"" + DropDownList2.ClientID + "\").length; i++ )" );
            sb.Append( "    {");
            sb.Append( "        if( document.all(\"" + DropDownList2.ClientID + "\").options[ i ].selected == true )" );
            sb.Append( "        {");
            sb.Append( "                document.getElementById( \"" + this.temp.ClientID + "\" ).value = document.all(\"" + DropDownList2.ClientID + "\").options[ i ].value;" );
            sb.Append( "                break;" );
            sb.Append( "        }");
            sb.Append( "    }" );
            sb.Append( "}");
            sb.Append( "function checkData() " );
            sb.Append( "{" );
            sb.Append( "    debugger;");
            sb.Append( "    var fileName = document.getElementById(\""+ fileup1.ClientID +"\").value;");
            sb.Append( "    if(fileName == \"\")");
            sb.Append( "        return;");
            sb.Append( "    var exName=fileName.substr(fileName.lastIndexOf(\".\")+1).toUpperCase();");
            sb.Append( "    if(exName==\"JPG\")");
            sb.Append( "    {");
            sb.Append( "        document.getElementById(\"previewImage\").innerHTML='<img src=\\''+fileName+'\\' width=100 height=100 >';");
            sb.Append( "    }");
            sb.Append( "    else");
            sb.Append( "    {");
            sb.Append( "        alert(\"请选择正确的图片文件\");");
            sb.Append( "        document.getElementById(\""+ fileup1.ClientID +"\").value=\"\";");
            sb.Append( "    }");
            sb.Append( "}");
            sb.Append( "</SCRIPT>" );
            this.Page.RegisterClientScriptBlock("", sb.ToString());
        }
        #endregion

        上传图片#region 上传图片
        private void Button2_Click(object sender, EventArgs e)
        {
            if (fileup1.PostedFile.ContentLength == 0)
            {
                Label9.Text="上传失败或指定的文件不存在";
            }
            else
            {
                string extendName =  System.IO.Path.GetExtension(fileup1.PostedFile.FileName).ToString(); 
                if (CheckValidExt(extendName))
                {
                    name2 = GetRandomFileName();
                    string path1 = HttpContext.Current.Server.MapPath("../upload/")+name2+extendName.ToUpper();
                    string path2 = HttpContext.Current.Server.MapPath("../upload/") + name2+"_water"+".jpg";
                    fileup1.PostedFile.SaveAs(path1);

                    picmark.ImageModification wm= new ImageModification();
                                
                    wm.DrawedImagePath = HttpContext.Current.Server.MapPath("../upload/") + "backlogo.gif"; //水印图片
                    wm.ModifyImagePath = path1;  //图片的路径
                    wm.RightSpace = 111;          //水印位置
                    wm.BottoamSpace = 110;       //水银位置
                    wm.LucencyPercent = 100;       //透明度
                    wm.OutPath = path2;
                    wm.DrawImage();
                                    
                    if(File.Exists(path1))
                    {
                        File.Delete(path1);
                    }

                    TextBox6.Text="upload/" + name2+"_water"+".jpg";
                    Label9.Text="<font color=red>上传成功</font>";
                }
                else
                {
                    HttpContext.Current.Response.Write("<script>alert('上传的格式只能是jpg格式！');</script>");
                }
            }
        }
        #endregion

        // 获取一个随机的文件名称
        private string GetRandomFileName()
        {
            string strData = DateTime.Now.ToString("yyyyMMddHHmmss"); 
            strData += System.Guid.NewGuid();
            return strData;
        }


        // 检查文件类型是否有效
        private bool CheckValidExt(string extendName)
        {
            bool isValid = false;
            extendName = extendName.ToUpper();
            string[] extends = AllowExtendName.Split('|');
            foreach(string extend in extends)
            {
                if(extend == extendName)
                {
                    isValid = true;
                    break;
                }
            }   
            return isValid;
        }

        添加产品#region 添加产品
        private void Button1_Click(object sender, EventArgs e)
        {
            if (DropDownList1.SelectedValue == string.Empty || temp.Text == "" || DropDownList3.SelectedValue == "" || DropDownList4.SelectedValue == "")
            {
                HttpContext.Current.Response.Write("<script>alert('请选择下拉框选项！');</script>");
            }
            else
            {
                if(!PageValidate.IsNumber(TextBox4.Text))
                {
                    MessageBox.Show(this.Page,"价格的格式不正确！");
                    return;
                }
                else if(!PageValidate.IsNumber(TextBox2.Text))
                {
                    MessageBox.Show(this.Page,"数量的格式不正确！");
                    return;
                }
                else if (TextBox6.Text == "")
                {
                    MessageBox.Show(this.Page,"请上传图片！！");
                    return;
                }
                FileInfo f = new FileInfo(StrPath);
                if(!f.Exists)
                {
                    CreateXML();
                }
                else
                {
                    AddXML();
                }
                dbproduct.Add(TextBox1.Text,TextBox6.Text,Int32.Parse(DropDownList1.SelectedValue),Int32.Parse(temp.Text),Int32.Parse(DropDownList3.SelectedValue),Int32.Parse(DropDownList4.SelectedValue),Int32.Parse(TextBox4.Text),TextBox7.Text,Int32.Parse(TextBox2.Text));
                HttpContext.Current.Response.Write("<script>alert('添加成功！');window.location='manageproduct.aspx';</script>");
            }
            
        }
        #endregion

        private void down2_bind(string id)
        {
　　        string mystr = "";
            ds = dbproduct.GetDropDownList(Int32.Parse(id));
　　        if(ds.Tables[0].Rows.Count != 0)
　　        {
                mystr += ",|请选择";
　　　　        for(int i=0;i<ds.Tables[0].Rows.Count;i++)
　　　　        {
　　　　　　        mystr += "," + ds.Tables[0].Rows[i]["small_classid"].ToString() + "|" + ds.Tables[0].Rows[i]["name2"].ToString();
　　　　        }
　　　　        mystr = mystr.Substring(1);
　　        }
　　        HttpContext.Current.Response.Write(mystr);
　　        HttpContext.Current.Response.End();
        }

        创建XML文档#region 创建XML文档
        private void CreateXML()
        {

//            XmlDocument xDoc = new XmlDocument();
//
//            XmlElement xElmntRoot;
//            XmlElement xElmntFamily;      
//
//            //创建根节点
//            xElmntRoot = xDoc.CreateElement("album");
//            xDoc.AppendChild(xElmntRoot);
//
//            //创建子节点
//            xElmntFamily = (XmlElement) (xElmntRoot.AppendChild(xDoc.CreateElement("photo")));
//
//            XmlElement xesub2=xDoc.CreateElement("url");
//            xesub2.InnerText = TextBox6.Text.Trim();
//            xElmntFamily.AppendChild(xesub2);
//
//            XmlElement xesub3=xDoc.CreateElement("description");
//            xesub3.InnerText = TextBox1.Text.Trim();
//            xElmntFamily.AppendChild(xesub3);
//
//            xDoc.Save(StrPath); 
            XmlDocument xDoc = new XmlDocument();
            XmlProcessingInstruction xPI;
            XmlElement xElmntRoot;
 
            xPI = xDoc.CreateProcessingInstruction("xml", "version='1.0' encoding='utf-8'"); 
            xDoc.AppendChild(xPI); 

            xElmntRoot = xDoc.CreateElement("Photos");
            xDoc.AppendChild(xElmntRoot);

            xDoc.Save(StrPath); 
        }
        #endregion

        向已存在的XML文档里添加数据#region 向已存在的XML文档里添加数据
        private void AddXML()
        {
//            XmlDocument xDoc = new XmlDocument();
//            xDoc.Load(StrPath);
//            XmlNode root=xDoc.SelectSingleNode("album");
//               
//            XmlElement xe1=xDoc.CreateElement("photo");
//
//            XmlElement xesub2=xDoc.CreateElement("url");
//            xesub2.InnerText = TextBox6.Text.Trim();
//            xe1.AppendChild(xesub2);
//
//            XmlElement xesub3=xDoc.CreateElement("description");
//            xesub3.InnerText = TextBox1.Text.Trim();
//            xe1.AppendChild(xesub3);
//
//            root.AppendChild(xe1);
//            xDoc.Save(StrPath);
            XmlDocument xDoc = new XmlDocument();
            xDoc.Load(StrPath);
            XmlNode root=xDoc.SelectSingleNode("Photos");
               
            XmlDocumentFragment docFrag = xDoc.CreateDocumentFragment();
            string insstr="<img src='../"+TextBox6.Text.Trim()+"' ssrc='../"+TextBox6.Text.Trim()+"' t='"+ TextBox1.Text + "' d='"+ TextBox7.Text +"'/>";
            docFrag.InnerXml = insstr;
            root.InsertAfter(docFrag,root.LastChild);
            xDoc.Save(StrPath);
        }
        #endregion 
    }
}