会议室功能二维码生成8.20

18756

2024-08-20 34de79d9fd020487d0a80dd329759bfca5f4cbd3

 src/main/java/com/product/administration/controller/ConferenceManagerController.java

@@ -3,6 +3,8 @@
import com.alibaba.druid.util.StringUtils;
import com.alibaba.fastjson.JSONObject;
import com.google.zxing.WriterException;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.product.administration.config.CmnConst;
import com.product.administration.config.SystemCode;
import com.product.administration.service.ConferenceManagerService;
@@ -23,7 +25,10 @@
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Date;
import java.util.HashMap;
import java.util.List;

@@ -486,12 +491,53 @@
    }


    /**
     * 会议管理签到二维码
     * @param request
     * @param response
     * @throws IOException
     * @throws WriterException
     */
    @PostMapping("/get_QrCode/{version}")
    @ApiVersion(1)
    public String getQrCode(HttpServletRequest request) throws IOException, WriterException {
    public void getQrCode(HttpServletRequest request, HttpServletResponse response) throws IOException, WriterException {

        //获取参数
        FieldSetEntity fse = null;
        conferenceManagerService.getQrCode(fse);
        return OK();
        Object bean = request.getAttribute(CoreConst.API_POST_REQUEST_DATA);
        if (bean != null) {
            RequestParameterEntity reqp = (RequestParameterEntity) bean;
            fse = reqp.getFormData();

            //判断参数是否为空
            if (bean == null || fse == null) {
                this.error(com.product.admin.config.SystemCode.SYSTEM_FORM_NODATA.getValue(), com.product.admin.config.SystemCode.SYSTEM_FORM_NODATA.getText());
            }
            String uuid = fse.getString("uuid");
            if(!StringUtils.isEmpty(uuid)){

                // 设置响应流信息
                response.setContentType("image/jpg");
                response.setHeader("Pragma", "no-cache");
                response.setHeader("Cache-Control", "no-cache");
                response.setDateHeader("Expires", 0);

                OutputStream stream = response.getOutputStream();
                //后端跳转地址
               // String content = ("http://www.baidu.com");
                JSONObject jsonData = new JSONObject();
                jsonData.put("uuid",uuid);
                jsonData.put("date",new Date());
                //jsonData.put("url",content);
                //获取一个二维码图片
                BitMatrix bitMatrix = conferenceManagerService.getQrCode(jsonData.toString());
                //以流的形式输出到前端
                MatrixToImageWriter.writeToStream(bitMatrix , "jpg" , stream);

            }
        }


    }