1、使用react-signature-canvas插件,npm ireact-signature-canvas--save 2、此功能签名后生成的图片是base64格式,如需其他格式,可参考文档修改 3、封装的组件代码 import { SignatureCanvasWrapper } from './style'; import React, { useState, useRef, us
· react-signature-canvas 签名功能 · 前端小工具:CanvasDraw签名工具 · 前端canvas实现签名功能,可以横屏/竖屏签名 阅读排行: · .NET 的全新低延时高吞吐自适应 GC - Satori GC · 会用AI 的工程师,效率已经拉开差距了 - “ 我们曾经引以为傲的编码能力,正在被改写。” · 【译】Visual Studio...
react-signature-canvasA React wrapper component around signature_pad.Originally, this was just an unopinionated fork of react-signature-pad that did not impose any styling or wrap any other unwanted elements around your canvas -- it's just a wrapper around a single canvas element! Hence the ...
react-signature-canvas是一个用于在React应用中实现手写签名功能的开源库。它提供了一个可定制的画布组件,用户可以在上面进行手写操作,然后将手写的签名数据以图像或Base64编码的形式进行保存或传输。 该库的主要特点和优势包括: 简单易用:react-signature-canvas提供了简洁的API和易于理解的文档,使开发者能够快速集成手...
npm install --save react-native-signature-canvas@1.4.2 Basic Usage importReact,{useRef,useState}from'react';import{StyleSheet,View,Image}from'react-native';importSignatureCanvasfrom'react-native-signature-canvas';constSignatureScreen=()=>{const[signature,setSignature]=useState(null);constref=useRef()...
A React wrapper component around signature_pad. Originally, this was just an unopinionated fork of react-signature-pad that did not impose any styling or wrap any other unwanted elements around your canvas -- it's just a wrapper around a single canvas element! Hence the naming difference. Now...
React SignatureCanvas是一个用于在Web应用程序中进行手写签名的React组件。用户可以使用鼠标或触摸屏对组件进行涂鸦,然后将其保存为图像文件或在应用程序中进行其他处理。React Signature Canvas具有性能良好和易于使用的特点,使得它成为许多Web应用程序中实现手写签名功能的首选组件。 二、如何使用React Signature Canvas? 使...
clear():void, clears the canvas using thebackgroundColorprop fromDataURL(base64String, options):void, writes a base64 image to canvas toDataURL(mimetype, encoderOptions):base64string, returns the signature image as a data URL fromData(pointGroupArray):void, draws signature image from an array...
1. 安装插件:使用 npm 命令`npm i react-signature-canvas -S`或者 yarn 命令`yarn add react-signature-canvas`进行安装。 2. 获取设备的宽度和高度,再设置底层 Canvas 的宽度和高度。 3. 利用`css`的`transform:rotate(90deg)`和`transform-origin: 301px 301px;`将 Canvas 旋转90度,并定位好位置。 你...
import SignatureCanvas from 'react-signature-canvas'; resetSignBtn=() =>{ this.signCanvas.current.clear(); } //给画布添加背景色,只需要在画布打开是拿到画布,给画布添加颜色即可 async signBtn(type) { await this.setState({signModal: true}); //得到画布 let canvas = this.signCanvas.current._...