1、添加一个空间image ，一个idhttp，一个button控件即可
2、双击Button写上代码const sURL='此处jpg地址';var 门钙蹲茌jpg:TJPEGImage稆糨孝汶; sm:TMemoryStream;begin try sm:=TMemoryStream.Create; jpg:=TJPEGImage.Create; idhtp1.Get(sURL,sm); sm.Position:=0; jpg.LoadFromStream(sm); img1.Picture.Assign(jpg); except jpg.Free; sm.Free; Exit; end;
3、点击下载