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delphi 将base64字符串转化为Jpeg图片
uses jpeg,EncdDecd;
function Base64StringToJpeg(ImgStr:string):TJPEGImage;
var ss:TStringStream;
ms:TMemoryStream;
jpg:TJPEGImage;
begin
try
ss := TStringStream.Create(imgStr);
ms := TMemoryStream.Create;
DecodeStream(ss,ms);//将base64字符流还原为内存流
ms.Position:=0;
jpg := TJPEGImage.Create;
jpg.LoadFromStream(ms);
ss.Free;
ms.Free;
result :=jpg;
except
end;
end;