也可自行下载smooth-signature.js到本地引用 使用 importSmoothSignaturefrom"smooth-signature";constcanvas=document.querySelector("canvas");constsignature=newSmoothSignature(canvas);// 生成PNGconsturl=signature.getPNG()// 或者 signature.toDataURL()// 生成JPGconsturl=signature.getJPG()// 或者 signature...
npm install --save signature_pad or Yarn: yarn add signature_pad You can also add it directly to your page usingtag: You can select a different version athttps://www.jsdelivr.com/package/npm/signature_pad. This library is provided ...
functionresizeCanvas(){varratio =Math.max(window.devicePixelRatio ||1,1); canvas.width = canvas.offsetWidth * ratio; canvas.height = canvas.offsetHeight * ratio; canvas.getContext("2d").scale(ratio, ratio); signaturePad.clear();// otherwise isEmpty() might return incorrect value}window.add...
也可自行下载smooth-signature.js到本地引用 使用 import SmoothSignature from "smooth-signature"; const canvas = document.querySelector("canvas"); const signature = new SmoothSignature(canvas); // 生成PNG signature.getPNG() // 或者 signature.toDataURL() // 生成JPG signature.getJPG() // ...
import '/lib/signature_pad/signature_pad.umd.js'; export function init(wrapperc, alertText) { //Code modify from https://github.com/szimek/signature_pad var wrapper = document.getElementById("signature-pad"); var clearButton = wrapper.querySelector("[data-action=clear]"); var changeColor...
网上不少现成开源的签名库,其中signature_pad笔锋效果实现比较好,但具体使用还是会发现有明显的锯齿感,于是利用工作之余,根据自身理解换了另一种方案实现了一套,同时也为小程序开发了一版,一起分享给有需要的同学。mini-smooth-signature 小程序版带笔锋手写签名,支持多平台小程序使用...
也可自行下载smooth-signature.js到本地引用 使用 importSmoothSignaturefrom"smooth-signature";constcanvas=document.querySelector("canvas");constsignature=newSmoothSignature(canvas);// 生成PNGsignature.getPNG()// 或者 signature.toDataURL()// 生成JPGsignature.getJPG()// 或者 signature.toDataURL('image...