html和js通过window.print()实现调用浏览器打印带背景图片和生成二维码的文件功能

[{"title":"（ 10 个子文件 1.43MB ） html和js通过window.print()实现调用浏览器打印带背景图片和生成二维码的文件功能","children":[{"title":"printDemo","children":[{"title":"print.html <span style='color:#111;'> 9.08KB </span>","children":null,"spread":false},{"title":"assets","children":[{"title":"img","children":[{"title":"licensebg.png <span style='color:#111;'> 1.33MB </span>","children":null,"spread":false}],"spread":true},{"title":"js","children":[{"title":"jquery.qrcode.min.js <span style='color:#111;'> 13.69KB </span>","children":null,"spread":false},{"title":"jquery.min.js <span style='color:#111;'> 84.68KB </span>","children":null,"spread":false},{"title":"bootstrap.min.js <span style='color:#111;'> 43.69KB </span>","children":null,"spread":false}],"spread":true},{"title":"cssPrint","children":[{"title":"bootstrap.min.css <span style='color:#111;'> 118.36KB </span>","children":null,"spread":false},{"title":"bootstrap-table.min.css <span style='color:#111;'> 5.47KB </span>","children":null,"spread":false},{"title":"animate.css <span style='color:#111;'> 67.46KB </span>","children":null,"spread":false},{"title":"font-awesome.min.css <span style='color:#111;'> 30.28KB </span>","children":null,"spread":false},{"title":"newStyle.css <span style='color:#111;'> 143.96KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}]