import com.sun.image.codec.jpeg.*;
Access restriction: The method createJPEGEncoder(OutputStream) from the type JPEGCodec is not accessible due to restriction on required library上网查了一下，发现是IDE的设置问题，它默认把这些受访问限制的API设成了ERROR
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Access restriction: The method createJPEGEncoder(OutputStream) from the type JPEGCodec is not access
原文：http://blog.csdn.net/liuruiqun/article/details/47838903