• WSS[sharepoint]中如何建立一个搜索的功能的webpart[Search]


    with Windows sharepoint service, how to build a webpart to support search one list of a web site.

    这个webpart的使用必须让MSSQL支持全文索引才行。
    在sql客户端运行
    sp_fulltext_database 'enable'

    使用时要小心。如果已经存在全文目录,那么该过程将除去所有的全文目录,重新创建系统表中指明的任何全文索引,并且将数据库标记为已全文启用。

    这个webpart例子是显示一个站点所有的list,并把每个list的field显示出来,同时根据输入查询的字符串来查询这个list的记录。
    [如何创建webpart和如何加入webpart到wss中去这里就不介绍了。]
    下面给完整代码

    /*written by King_astar on 2005.5.14
     * test search object in wws
    */


    using System;
    using System.ComponentModel;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Xml.Serialization;
    using Microsoft.SharePoint;
    using Microsoft.SharePoint.Utilities;
    using Microsoft.SharePoint.WebPartPages;
    using Microsoft.SharePoint.WebControls;

    using System.Data;

    namespace TestWebPartSearch
    {
        
    /// <summary>
        
    /// Description for WebPart1.
        
    /// </summary>

        [DefaultProperty("Text"),
            ToolboxData(
    "<{0}:MySearchPart runat=server></{0}:MySearchPart>"),
            XmlRoot(Namespace
    ="TestWebPartSearch")]
        
    public class MySearchPart : Microsoft.SharePoint.WebPartPages.WebPart
        
    {
            
    private const string defaultText = "";
            
    private String _searchStr ="";
            
    private DataGrid mydatagrid ;
            
    private Button serarchBtn;
            
    private DropDownList selectdrp;
            
    private DropDownList fielddrp;

            
    private TextBox searchTxt;
            
    private String _searchColumn ="title";
            
    private SPSite _spsite;
            
    private SPWeb _spweb;


            
    private string text = defaultText;

            
    #region properties
            [Browsable(
    true),
                Category(
    "Miscellaneous"),
                DefaultValue(defaultText),
                WebPartStorage(Storage.Personal),
                FriendlyName(
    "List Item"),
                Description(
    "Text Property")]
            
    public string Text
            
    {
                
    get
                
    {
                    
    return text;
                }


                
    set
                
    {
                    text 
    = value;
                }

            }


        
            
    #endregion


            
    #region constructor
            
    public MySearchPart()
            
    {
                _spsite 
    =  new SPSite("http://172.16.1.212/");
                
    this._spweb =   _spsite.OpenWeb();
                SPListCollection splists 
    = _spweb.Lists;
                serarchBtn 
    = new Button();
                selectdrp 
    = new DropDownList();
                searchTxt 
    = new TextBox();
                fielddrp 
    = new DropDownList();
                mydatagrid 
    = new DataGrid();
                
    this.Controls.Add(new LiteralControl("Pls Select List:"));
                
    this.Controls.Add(selectdrp);
                
    this.Controls.Add(new LiteralControl("<br/>"));
                
    this.Controls.Add(fielddrp);
                
    this.Controls.Add(searchTxt);
                
    this.Controls.Add(serarchBtn);
                
    this.Controls.Add(mydatagrid);

                serarchBtn.Text 
    = " search Now";
                serarchBtn.Click 
    +=new EventHandler(serarchBtn_Click);
                
    for(int i=0;i<splists.Count;i++)
                
    {
                    ListItem one 
    = new ListItem();
                    one.Value 
    = splists[i].Title;
                    one.Text  
    =  splists[i].Title;
                    selectdrp.Items.Add(one);

                }

                selectdrp.AutoPostBack 
    = true;
                selectdrp.SelectedIndexChanged 
    +=new EventHandler(selectdrp_SelectedIndexChanged);
                


                

            }

            
    #endregion

            
            
    /// <summary>
            
    ///    This method gets the custom tool parts for this Web Part by overriding the
            
    ///    GetToolParts method of the WebPart base class. You must implement
            
    ///    custom tool parts in a separate class that derives from 
            
    ///    Microsoft.SharePoint.WebPartPages.ToolPart. 
            
    ///    </summary>
            
    ///<returns>An array of references to ToolPart objects.</returns>

    //        public override ToolPart[] GetToolParts()
    //        {
    //            ToolPart[] toolparts = new ToolPart[2];
    //            WebPartToolPart wptp = new WebPartToolPart();
    //            CustomPropertyToolPart custom = new CustomPropertyToolPart();
    //            toolparts[0] = wptp;
    //            toolparts[1] = custom;
    //            return toolparts;
    //        }
            
            
    /// <summary>
            
    /// Render this Web Part to the output parameter specified.
            
    /// </summary>
            
    /// <param name="output"> The HTML writer to write out to </param>

    //        protected override void RenderWebPart(HtmlTextWriter output)
    //        {
    //            
    //
    //
    //            output.Write(SPEncode.HtmlEncode(Text));
    //        }

            
    protected override void CreateChildControls()
            
    {
                
    base.CreateChildControls ();
            }


            
    private void serarchBtn_Click(object sender, EventArgs e)
            
    {
                
                
                String temp 
    = fielddrp.SelectedValue;
                
    string typeStr = "";
                
    this._searchColumn = temp.Split(',')[0];
                typeStr 
    =  temp.Split(',')[1];
                
    this._searchStr = searchTxt.Text.Trim();
                
    //searchTxt.Text = temp;



                SPList splist 
    = _spweb.Lists[selectdrp.SelectedIndex];
                SPQuery spquery 
    = new SPQuery();
                spquery.Query 
    = "<Where><Eq><FieldRef Name=\""+_searchColumn+"\"/>"+ "<Value Type=\""+typeStr+"\">"+_searchStr+"</Value></Eq></Where>";
                SPListItemCollection splistitems;
                splistitems 
    = splist.GetItems(spquery);
                DataTable dt 
    = new  DataTable();
                dt.Columns.Add(
    new DataColumn("ID",typeof(String)));
                dt.Columns.Add(
    new DataColumn("XML",typeof(String)));

                
    for(int i =0;i<splistitems.Count;i++)
                
    {
                    DataRow row 
    = dt.NewRow();
                    row[
    "ID"]        = splistitems[i].ID;
                    row[
    "XML"]  = this.Page.Server.HtmlEncode(splistitems[i].Xml);
                    dt.Rows.Add(row);
                }

                

                
                mydatagrid.DataSource 
    = dt;
                mydatagrid.DataBind();




            }


            
    private void selectdrp_SelectedIndexChanged(object sender, EventArgs e)
            
    {
                SPList splist 
    = _spweb.Lists[selectdrp.SelectedIndex];
                SPFieldCollection spfields 
    = splist.Fields;
                
    for(int i=0;i<spfields.Count;i++)
                
    {
                    ListItem one 
    = new ListItem();
                    one.Value 
    = spfields[i].InternalName+","+ spfields[i].TypeAsString;
                    one.Text  
    = spfields[i].Title;
                    fielddrp.Items.Add(one);

                }


            }

        }

    }



     

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  • 原文地址:https://www.cnblogs.com/king_astar/p/156317.html
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