SharePoint 图片库操作

 SharePoint 图片库操作 
using  System;
using  System.Data;
using  System.Configuration;
using  System.Collections;
using  System.Web;
using  System.Web.Security;
using  System.Web.UI;
using  System.Web.UI.WebControls;
using  System.Web.UI.WebControls.WebParts;
using  System.Web.UI.HtmlControls;

using  System.IO;
using  Microsoft.SharePoint;
using  yesinda.yesindakms.sharepoint;


public  partial  class  usercontrol_ImageList : System.Web.UI.UserControl
{
    public string ReturnValue = String.Empty;
    public string FolderPath = "111";
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            GetFolder();
            BindGrid();
        }
    }

    /**//**//**//// <summary>
    /// 创建数据源
    /// </summary>
    /// <returns></returns>
    ICollection CreateDataSource()
    {
        DataTable dt = new DataTable();  //创建一个名为mytable的DataTable对象形
        DataColumn dc = new DataColumn();         //创建一个列对象
        dc.DataType = System.Type.GetType("System.Int32");  //指定该列的数据类型
        dc.AutoIncrement = true;              //该列为自动增涨列
        dc.AutoIncrementSeed = 1;          //初始值
        dc.AutoIncrementStep = 2;          //增量
        dc.Caption = "id";                     //设置列的标题
        dc.ColumnName = "序号";       //设置 列集合对象中的列的名称,datagrid中显示该列名.
        dc.Unique = true;                      //为此列创建唯一性约
        dc.AllowDBNull = false;           //不允许为空
        dt.Columns.Add(dc);              //将该列对象加入到表mytable的列集合中
        //普通列
        DataColumn dc1 = new DataColumn();
        dc1.DataType = System.Type.GetType("System.String");
        dc1.AllowDBNull = false;
        dc1.Caption = "path";
        dc1.ColumnName = "路径";
        dc1.DefaultValue = 25;
        dt.Columns.Add(dc1);

        DataColumn dc2 = new DataColumn();
        dc2.DataType = System.Type.GetType("System.String");
        dc2.AllowDBNull = false;
        dc2.Caption = "path";
        dc2.ColumnName = "完整路径";
        dc2.DefaultValue = 25;
        dt.Columns.Add(dc2);

        SPSite sps = yesinda.yesindakms.sharepoint.List.ListLib.findParamSite("/sites/TQOA/", this.Context);
        sps.AllowUnsafeUpdates = true;
        SPWeb spw = sps.OpenWeb();
        spw.AllowUnsafeUpdates = true;
        SPList list = spw.Lists["图片"];
        SPFolder folder = list.RootFolder;
        SPFolderCollection folder2 = list.RootFolder.SubFolders;

        foreach (SPFolder folder3 in list.RootFolder.SubFolders)
        {
            if (folder3.Name != "")
            {
                if (folder3.Name == "111")
                {
                    foreach (SPFile file in folder3.Files)
                    {
                        if (dt != null)
                        {
                            DataRow dr = dt.NewRow();
                            dr[0] = file.Item.ID;
                            dr[1] = file.Name;
                            dr[2] = "http://" + sps.HostName + file.ServerRelativeUrl;
                            dt.Rows.Add(dr);
                        }
                    }
                }
            }
        }
        DataView dv = new DataView(dt);
        return dv;
    }


    /**//**//**////获取图片库下的文件夹
    public void GetFolder()
    {
        SPSite sps = yesinda.yesindakms.sharepoint.List.ListLib.findParamSite("/sites/TQOA/", this.Context);
        sps.AllowUnsafeUpdates = true;
        SPWeb spw = sps.OpenWeb();
        spw.AllowUnsafeUpdates = true;
        SPList list = spw.Lists["图片"];
        SPFolder folder = list.RootFolder;

        foreach (SPFolder folder3 in list.RootFolder.SubFolders)
        {
            if (folder3.Name.IndexOf("_") != 0)
            {
                this.ddlSelect.Items.Add(folder3.Name);
            }
        }
    }

    /**//**//**//// <summary>
    /// 绑定GridView控件
    /// </summary>
    public void BindGrid()
    {
        this.GridView1.DataKeyNames = new string[] { "序号" };
        this.GridView1.DataSource = CreateDataSource();
        this.GridView1.DataBind();

        this.ddlCurrentPage.Items.Clear();
        for (int i = 1; i <= this.GridView1.PageCount; i++)
        {
            this.ddlCurrentPage.Items.Add(i.ToString());
        }
        if (this.GridView1.PageIndex != 0)
        {
            this.ddlCurrentPage.SelectedIndex = this.GridView1.PageIndex;
        }
    }

    protected void btnUpImage_Click(object sender, EventArgs e)
    {
        AddImage();
    }

    上传图片上传图片#region  上传图片
    //保存图片路径
    public static string ImageUrl = String.Empty;

    /**//**//**//// <summary>
    /// 上传图片到图片库
    /// </summary>
    public void AddImage()
    {
        if (File1.Value != "")
        {
            //上传附件添加到文档库，并返回ID，赋给model.Mattachment
            string filename = File1.PostedFile.FileName.Substring(File1.PostedFile.FileName.LastIndexOf("\") + 1);
            Stream filedataStream = File1.PostedFile.InputStream;
            int dataLen = File1.PostedFile.ContentLength;
            string fileType = File1.PostedFile.ContentType;
            byte[] fileData = new byte[dataLen];
            filedataStream.Read(fileData, 0, dataLen);

            SPSite sps = yesinda.yesindakms.sharepoint.List.ListLib.findParamSite("/sites/TQOA/", this.Context);

            sps.AllowUnsafeUpdates = true;
            SPWeb spw = sps.OpenWeb();
            spw.AllowUnsafeUpdates = true;
            SPList list = spw.Lists["图片"];
            SPFolder folder = list.RootFolder;
            SPFolderCollection folder2 = list.RootFolder.SubFolders;

            foreach (SPFolder folder3 in list.RootFolder.SubFolders)
            {
                if (folder3.Name == "111")
                {
                    bool ex = false;
                    if (folder.Exists)
                    {
                        try
                        {

                            ex = folder3.Files[filename].Exists;
                            Response.Write("<script language="javascript">alert('已有相同名称的文件存在');</script>");
                            return;
                        }
                        catch
                        {
                            folder3.Files.Add(filename, fileData, true);
                            ImageUrl = "http://" + sps.HostName + folder3.ServerRelativeUrl + "/" + filename;
                        }
                    }
                }
            }

            Response.Write("<script>window.returnValue='" + ImageUrl + "';window.close();</script>");
        }
    }
    #endregion

    //全选
    protected void CheckAll(object sender, EventArgs e)
    {
        CheckBox cbx = (CheckBox)sender;
        foreach (GridViewRow gvr in GridView1.Rows)
        {
            CheckBox ch = (CheckBox)gvr.FindControl("ItemCheckBox");
            ch.Checked = cbx.Checked;
        }
    }

    /**//**//**//// <summary>
    /// 将图片库中的图片插入到文本中
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnOutPut_Click(object sender, EventArgs e)
    {
        SPSite sps = yesinda.yesindakms.sharepoint.List.ListLib.findParamSite("/sites/TQOA/", this.Context);

        sps.AllowUnsafeUpdates = true;
        SPWeb spw = sps.OpenWeb();
        spw.AllowUnsafeUpdates = true;
        SPList list = spw.Lists["图片"];

        string ReturnString = String.Empty;
        foreach (GridViewRow gvr in this.GridView1.Rows)
        {
            CheckBox ch = (CheckBox)gvr.FindControl("ItemCheckBox");
            if (ch.Checked)
            {
                SPListItem listcon = list.Items.GetItemById(Convert.ToInt32(GridView1.DataKeys[gvr.RowIndex].Value.ToString()));
                ReturnString += sps.Url + "/" + listcon.Url;
            }
        }
        Response.Write("<script>window.returnValue='" + ReturnString + "';window.close();</script>");
    }
    protected void radbtnUpload_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (this.radbtnUpload.SelectedIndex == 0)
        {
            this.Panel1.Visible = true;
            this.Panel2.Visible = false;
        }
        else
        {
            this.Panel1.Visible = false;
            this.Panel2.Visible = true;
        }
    }
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        e.Row.Cells[2].Attributes.Add("style", "display:none");
        e.Row.Cells[1].Attributes.Add("style", "display:none");
        //滑过GridView控件显示不同颜色
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#f0ffff';javascript:document.getElementById('imgshow').src='" + e.Row.Cells[2].Text + "';");
            e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
        }

        this.lblCurrentPage.Text = string.Format("当前第{0}页/总共{1}页", this.GridView1.PageIndex + 1, this.GridView1.PageCount);
    }
    protected void lnkbtnFrist_Click(object sender, EventArgs e)
    {
        //显示首页
        this.GridView1.PageIndex = 0;
        BindGrid();
    }
    protected void lnkbtnPre_Click(object sender, EventArgs e)
    {
        //显示上一页
        if (this.GridView1.PageIndex > 0)
        {
            this.GridView1.PageIndex = this.GridView1.PageIndex - 1;
            BindGrid();
        }
    }
    protected void lnkbtnNext_Click(object sender, EventArgs e)
    {
        //显示下一页
        if (this.GridView1.PageIndex < this.GridView1.PageCount)
        {
            this.GridView1.PageIndex = this.GridView1.PageIndex + 1;
            BindGrid();
        }
    }
    protected void lnkbtnLast_Click(object sender, EventArgs e)
    {
        //显示最后一页
        this.GridView1.PageIndex = this.GridView1.PageCount;
        BindGrid();
    }
    protected void ddlName_SelectedIndexChanged(object sender, EventArgs e)
    {
        //选择指定页显示
        this.GridView1.PageIndex = this.ddlCurrentPage.SelectedIndex;
        BindGrid();
    }
    protected void lnkSelect_Command(object sender, CommandEventArgs e)
    {
        LinkButton lb = (LinkButton)sender;
        DataControlFieldCell dcf = (DataControlFieldCell)lb.Parent;
        GridViewRow gvr = (GridViewRow)dcf.Parent;
        GridView1.SelectedIndex = gvr.RowIndex;

        Response.Write("<script>window.returnValue='"+gvr.Cells[2].Text+"';window.close();</script>");
    }
    protected void ddlSelect_SelectedIndexChanged(object sender, EventArgs e)
    {

    }
}