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.enums.ReceiptTemplateEnum;
import com.dpkj.modules.autoReplyPrint.request.ReceiptPrintRequest;
import com.dpkj.modules.autoReplyPrint.service.ImagePrintService;
import com.dpkj.modules.autoReplyPrint.service.impl.TemplateService;
import com.dpkj.modules.autoReplyPrint.vo.PrinterStatus;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.thymeleaf.util.StringUtils;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;

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
 */
@Slf4j
@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) throws UnsupportedEncodingException {
        String devName = "VID:0x0FE6,PID:0x811E";  // 采用默认的devName，不进行入参传值了
        String templateName = ReceiptTemplateEnum.getTemplateName(request.getTemplateName());
        // 进行模板填充
//        String testData = "{\"hospitalName\":\"澜沧县中医医院\",\"registeTerminalName\":\"中国农业银行自助终端\",\"registeType\":\"自助挂号\",\"name\":\"刘博雅\",\"gender\":\"男\",\"age\":28,\"birthDate\":\"1996-06-31\",\"cardNumber\":\"6221**********0731\",\"outpatientNumber\":\"2501150038\",\"department\":\"普外科门诊\",\"visitLevel\":\"普通号\",\"doctor\":\"普通门诊\",\"sequence\":\"1\",\"registerDate\":\"2025-01-15\",\"totalFee\":4.00,\"paymentMethod\":\"微信扫码支付\",\"orderNumber\":\"\",\"transactionNumber\":\"2025011513090412092794szztzzj\",\"qrCodeBase64_2base64Type_1_250_250\":\"maby this is a Base64 code data if has\",\"terminalNumber\":\"12092794\",\"printTime\":\"2025-01-15 13:10:08\"}";
        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())){
            byte[] image = templateService.generateReceiptImage(
                    JSONObject.parseObject(URLDecoder.decode(request.getTemplateFillData(), "UTF-8")),
                    templateName,
                    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);

        // 删除图片
        File file = new File(filePath.toString());
        // 检查文件是否存在
        if (file.exists() ) {
            // 尝试删除文件
            if (file.delete()) {
                log.info("文件删除成功: " + filePath);
            } else {
                log.info("文件删除失败: " + filePath);
            }
        } else {
            log.info("文件不存在: " + filePath);
        }

        return Result.ok();
    }

    @PostMapping("/getStatus")
    public Result<PrinterStatus> print(){
        String devName = "VID:0x0FE6,PID:0x811E";  // 采用默认的devName，不进行入参传值了
        return Result.ok(this.usbImagePrintService.getStatus(devName));
    }

}