yinyitong-zhongyuyuan-dll-hang/src/main/java/com/dpkj/modules/autoReplyPrint/controller/ReceiptPrintController.java

package com.dpkj.modules.autoReplyPrint.controller;

import com.alibaba.fastjson.JSONObject;
import com.dpkj.common.exception.RRException;
import com.dpkj.common.vo.Result;
import com.dpkj.modules.autoReplyPrint.request.ReceiptPrintRequest;
import com.dpkj.modules.autoReplyPrint.service.ImagePrintService;
import com.dpkj.modules.autoReplyPrint.service.impl.TemplateService;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.thymeleaf.util.StringUtils;

import javax.annotation.Resource;

/**
 * 小票打印机控制层
 *
 * @author <a href="https://gitee.com/shi-chongli">石头人</a>
 * @version 1.0
 * @since 2025-03-10 9:29:22
 */
@RestController
@RequestMapping("/receipt")
public class ReceiptPrintController {

    @Resource(name = "USBImagePrint")
    private ImagePrintService usbImagePrintService;

    @Resource
    private TemplateService templateService;

    @PostMapping("/print")
    private Result<Void> print(@Validated @RequestBody ReceiptPrintRequest request){
        String devName = "VID:0x0FE6,PID:0x811E";  // 采用默认的devName，不进行入参传值了
        StringBuilder filePath = new StringBuilder(request.getFileDir());
        //
        // 校验是否选中了模板,如果没选中模板的话则不需要另外生成了
        if ( !StringUtils.isEmpty(request.getTemplateName()) && !StringUtils.isEmpty(request.getFileDir())){
            String templateFillData = request.getTemplateFillData();
            if ( !StringUtils.isEmpty(templateFillData)){
                byte[] image = templateService.generateReceiptImage(
                        JSONObject.parseObject(request.getTemplateFillData()),
                        request.getTemplateName(),
                        request.getWidth(),
                        request.getHeight(),
                        filePath);
            }
        }else {
            throw new RRException("模板渲染错误");
        }

        usbImagePrintService.imagePrintFromPath(devName,
                request.getWidth(),
                request.getHeight(),
                filePath.toString(),
                1,
                0);
        return Result.ok();
    }

}