fix image.write slow
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@ -6,6 +6,8 @@ import java.io.IOException;
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import java.io.OutputStream;
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import javax.imageio.ImageIO;
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import com.sun.image.codec.jpeg.JPEGCodec;
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import com.sun.image.codec.jpeg.JPEGImageEncoder;
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/**
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* png格式验证码
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@ -92,7 +94,9 @@ public class SpecCaptcha extends Captcha {
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g.setFont(font.deriveFont(num(2) == 0 ? Font.PLAIN : Font.ITALIC));
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g.drawString(String.valueOf(strs[i]), x, y);
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}
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ImageIO.write(bi, "png", out);
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JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(outputStream);
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encoder.encode(bi);
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// ImageIO.write(bi, "png", out);
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out.flush();
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ok = true;
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} catch (IOException e) {
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@ -107,4 +111,4 @@ public class SpecCaptcha extends Captcha {
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}
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return ok;
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}
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}
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}
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