摘要：npm i node-sass sass-loader style-loader -D https://blog.csdn.net/u014789022/article/details/87854962 阅读全文

摘要：vue npm run build 报错 | building for production...Error processing file: static/css/app.6f7f38b3dcc243bbf8b8f261017a6621.css(node:14996) UnhandledPromi 阅读全文

摘要：<input class="wd50" @keydown="handleInput" /> handleInput(e) { let a = e.key.replace(/[^\d]/g, ""); if (!a && e.keyCode !== 8) { e.preventDefault(); } 阅读全文