With Java generation and decoding of two-dimensional code, the middle can be added logo, resulting in the two-dimensional code can be directly displayed on the JSP page, you can also write the JPG image file to the local disk

zqrcode
.......\.classpath
.......\.project
.......\.settings
.......\.........\.jsdtscope
.......\.........\org.eclipse.core.resources.prefs
.......\.........\org.eclipse.jdt.core.prefs
.......\.........\org.eclipse.wst.jsdt.ui.superType.container
.......\.........\org.eclipse.wst.jsdt.ui.superType.name
.......\build
.......\.....\classes
.......\.....\.......\demo
.......\.....\.......\....\servlet
.......\.....\.......\....\.......\QRCodeImageServlet.class
.......\.....\.......\....\.......\QRDecoderServlet.class
.......\.....\.......\....\twoDimensionalCode
.......\.....\.......\....\..................\comm
.......\.....\.......\....\..................\....\Img.class
.......\.....\.......\....\..................\service
.......\.....\.......\....\..................\serviceImp
.......\.....\.......\....\..................\..........\QRCodeDecoderServiceImp.class
.......\.....\.......\....\..................\..........\QRCodeEncoderServiceImp.class
.......\.....\.......\....\..................\.......\QRCodeDecoderService.class
.......\.....\.......\....\..................\.......\QRCodeEncoderService.class
.......\src
.......\...\demo
.......\...\....\servlet
.......\...\....\.......\QRCodeImageServlet.java
.......\...\....\.......\QRDecoderServlet.java
.......\...\....\twoDimensionalCode
.......\...\....\..................\comm
.......\...\....\..................\....\Img.java
.......\...\....\..................\service
.......\...\....\..................\serviceImp
.......\...\....\..................\..........\QRCodeDecoderServiceImp.java
.......\...\....\..................\..........\QRCodeEncoderServiceImp.java
.......\...\....\..................\.......\QRCodeDecoderService.java
.......\...\....\..................\.......\QRCodeEncoderService.java
.......\WebContent
.......\..........\index.jsp
.......\..........\META-INF
.......\..........\........\MANIFEST.MF
.......\..........\qrcode.jsp
.......\..........\WEB-INF
.......\..........\.......\lib
.......\..........\.......\...\commons-fileupload-1.1.1.jar
.......\..........\.......\...\commons-io-1.2.jar
.......\..........\.......\...\QRCode.jar
.......\..........\.......\...\servlet-api.jar
.......\..........\.......\web.xml

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