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2022-07-09 c587f8f148d3504361cf7a61d0cecb4dd64f4d30
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package org.springblade.modules.qrcode;
 
import com.google.zxing.WriterException;
import lombok.AllArgsConstructor;
import org.springblade.common.utils.QRCodeUtil;
import org.springblade.modules.system.entity.User;
import org.springblade.modules.system.service.IUserService;
import org.springblade.modules.system.vo.UserVO;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import sun.misc.BASE64Encoder;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
 
/**
 * @author zhongrj
 * @date 2021-08-24
 * 二维码生成
 */
@RestController
@RequestMapping("/qrCode")
@AllArgsConstructor
public class QrCodeController {
 
    private final IUserService userService;
 
    /**
     * 二维码生成-字节流
     * @param securityNumber 保安证编号
     * @return
     */
    @GetMapping("/getQrCode")
    public ResponseEntity<byte[]> getQrCode(String securityNumber) throws UnsupportedEncodingException {
        String url = "http://61.131.136.25:2080/securityInfo.html";
        if (null!=securityNumber) {
            String encoded = URLEncoder.encode(securityNumber,"UTF-8");
            String content = url + "?securityNumber=" + encoded;
            ResponseEntity<byte[]> aEntity = null;
            try {
                URLEncoder.encode(content,"utf-8");
                byte[] qrCodeImage = QRCodeUtil.getQRCodeImage(content, 350, 350);
 
                // Set headers
                final HttpHeaders headers = new HttpHeaders();
                headers.setContentType(MediaType.IMAGE_PNG);
                aEntity = new ResponseEntity<byte[]>(qrCodeImage, headers, HttpStatus.CREATED);
            } catch (WriterException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return aEntity;
        }
        return null;
    }
 
 
    /**
     * 二维码生成base64
     * @param code 溯源码编号
     * @return
     */
    @GetMapping("/getQrCodeBase64")
    public String getQrCodeBase64(String code) throws Exception{
        String url = "http://61.131.136.25:2080/securityInfo.html";
        if (null!=code) {
            String encoded = URLEncoder.encode(code,"UTF-8");
            String content = url + "?code=" + encoded;
            byte[] qrCodeImage = QRCodeUtil.getQRCodeImage(content, 350, 350);
            String encode = new BASE64Encoder().encode(qrCodeImage);
            return "data:image/png;base64,"+encode;
        }
        return null;
    }
 
 
    /**
     * 二维码生成base64
     * @param securityNumber 保安证编号
     * @return
     */
    @GetMapping("/getQrCodeDown")
    public String getQrCodeDown(String securityNumber) throws Exception{
//        String url = "http://s16s652780.51mypc.cn/securityInfo/securityInfo.html";
        String url = "http://61.131.136.25:2080/securityInfo.html";
        if (null!=securityNumber) {
            String encoded = URLEncoder.encode(securityNumber,"UTF-8");
            String content = url + "?securityNumber=" + encoded;
            byte[] qrCodeImage = QRCodeUtil.getQRCodeImage(content, 350, 350);
            String path = "D:\\QrCode\\";
            FileOutputStream fileOutputStream = new FileOutputStream(path+securityNumber+".png");
            fileOutputStream.write(qrCodeImage,0,qrCodeImage.length);
            fileOutputStream.flush();
            fileOutputStream.close();
            return securityNumber;
        }
        return null;
    }
 
}