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Delphi 将JPG图片上传到SqlServer数据库里
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, Jpeg, StdCtrls, ADODB, DB;
type
TForm1 = class(TForm)
Button1: TButton;
ADOQuery1: TADOQuery;
procedure UploadJPGToSqlServer(UserName, path, ConnStr: String);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
//www.3464.com
implementation
{$R *.dfm}
procedure TForm1.UploadJPGToSqlServer(UserName, path, ConnStr: String);
var
tb: TADOQuery;
Begin
tb := TADOQuery.Create(self);
tb.ConnectionString := ConnStr;
// 删除数据
tb.SQL.Clear;
tb.SQL.Text := 'Delete From JPEG Where UserName='''+UserName+'''';
tb.ExecSQL;
// 插入数据
tb.SQL.Clear;
tb.SQL.Text := 'Select * from JPEG Where UserName='''+UserName+'''';
tb.Open;
if not(tb.State in [dsEdit, dsInsert]) then tb.Insert;
(tb.FieldByName('JPEG') as TBlobField).LoadFromFile(path);
tb.FieldByName('UserName').Text := UserName;
tb.Post;
tb.Close;
tb.Free;
MessageBox(handle, '上传成功' ,'系统提示' , MB_OK);
End;
procedure TForm1.Button1Click(Sender: TObject);
var
StrConn, UserName, Path: String;
begin
StrConn := 'Provider=SQLOLEDB.1;Password=#这里是密码#;Persist Security Info=True;User ID=#这里是Sql登陆名#;Initial Catalog=#这里是数据库名#;Data Source=#这里是数据库的地址#';
UserName := '龚韬';
Path := 'C:\Inetpub\wwwroot\yizhi\Images\bgtitle.jpg';
UploadJPGToSqlServer(UserName, Path, StrConn);
end;
end.
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/swei315/archive/2009/06/18/4281356.aspx 相关阅读 >>
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