package com.product.device.service;
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import cn.hutool.extra.qrcode.QrCodeUtil;
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import cn.hutool.extra.qrcode.QrConfig;
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import com.product.device.utils.QuickResponseCode;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import javax.servlet.http.HttpServletResponse;
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import com.product.common.lang.StringUtils;
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import java.io.File;
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import java.io.IOException;
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@Service
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public class QuickResponseService {
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@Resource
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QrConfig qrconig;
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public void generateFile(String content, File file){
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//生成到本地文件
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QrCodeUtil.generate(content, qrconig, file);
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}
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//输出到流
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public void generateStream(String content, HttpServletResponse response) throws IOException {
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QrCodeUtil.generate(content,qrconig,"png",response.getOutputStream());
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}
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public static void generateQRFile(String content,File file) {
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//生成到本地文件
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QrCodeUtil.generate(content, QuickResponseCode.getQRConfig(), file);
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}
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/**
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* 生成设备编码的二维码
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* @param device_sn
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* @param file
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*/
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public static void generateDeviceQRFile(String device_sn,String uuid,File file) {
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StringBuilder str=new StringBuilder();
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str.append("{");
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if(!StringUtils.isEmpty(device_sn)) {
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str.append( "\"asset_code\":\"").append(device_sn ).append("\"");
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}
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if(!StringUtils.isEmpty(uuid)) {
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str.append( ",\"uuid\":\"").append(uuid ).append("\"");
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}
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str.append("}");
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//生成到本地文件
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QrCodeUtil.generate(str.toString(), QuickResponseCode.getQRConfig(), file);
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}
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public static void main(String args[]) {
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QuickResponseService k=new QuickResponseService();
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File f=new File("d:/device.png");
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k.qrconig=QuickResponseCode.getQRConfig();
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k.generateFile("dfsgefsdf", f);
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for(int i=0;i<5;i++) {
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File f1=new File("d:/device"+i+".png");
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generateDeviceQRFile("device_"+i,"uuids_"+i,f1);
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}
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}
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}
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