@quansitech/react-qrscanner
v1.2.0
Published
## install npm i @quansitech/react-qrscanner
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summary
install
npm i @quansitech/react-qrscanner
usage
import React from 'react';
import ReactDOM from 'react-dom';
import { QrcodeScanner, Util } from "@quansitech/react-qrscanner";
let defaultOpt = {
websocket: 'ws://192.168.31.222:2346', //必填 websocket地址
url: 'http://www.test.com/home/index/scan', //二维码的地址,会自动在后面附上token 必填
queryStr: 'project_id=1', //根据业务需要可在这里附加必须的参数 选填
size: 128, //二维码的大小 选填 默认128
bgColor: '#FFFF44', //二维码背景颜色 选填
fgColor: '#CC00FF', //二维码前景色 选填
imageSettings: { //设置二维码中间图片 选填
src: "https://cdn.learnku.com/uploads/images/201901/24/1/OyBnfB2vlk.png!/both/44x44", //图片的url地址
height: 30, //图片高度
width:30, //图片宽度
excavate: true //是否挖孔
},
scannedRenderText: "已扫描", //扫描后展示的文字 选填 默认“已绑定”
scannedRender: true, //是否使用扫描后自带的提示 选填 默认true
scannedCallback:function(){ //扫描后执行的回调 选填
let span = document.createElement('span');
span.innerText = '测试';
document.getElementById('1234').appendChild(span);
}
};
ReactDOM.render(<QrcodeScanner url={defaultOpt.url} websocket={defaultOpt.websocket}
queryStr={defaultOpt.queryStr} size={defaultOpt.size} scannedRenderText={defaultOpt.scannedRenderText}
bgColor={defaultOpt.bgColor} fgColor={defaultOpt.fgColor} imageSettings={defaultOpt.imageSettings}
scannedCallback={defaultOpt.scannedCallback} scannedRender={defaultOpt.scannedRender} />,
document.getElementById("1234"));
//扫码调用
const util = new Util();
let psn = "ws://192.168.31.222:2346"; //websocket地址
let token = "####-####-####"; //二维码生成的token
let callback = function(status, error){ //扫码回调 status = 1表示扫码成功 0表示二维码失效 error返回错误信息
if(status == 1){
alert('success');
}
else{
alert(error);
}
}
let param = { custom_id: '1234567' } //需要传递给后端业务代码处理的参数
util.scan(psn, token, callback, param);