java/tcm-training.git

			@@ -17,6 +17,7 @@
			import com.tcm.training.admin.system.service.AppVersionSettingsAppService;
			import com.tcm.training.admin.system.vo.AppVersionCheckVO;
			import org.springframework.stereotype.Service;
			import org.springframework.util.StringUtils;

			import java.awt.image.BufferedImage;
			import java.io.ByteArrayOutputStream;
			@@ -69,6 +70,7 @@
			result.setClinicName(trimToEmpty(clinic.getName()));
			result.setInviteCode(inviteCode);
			result.setShareLandingUrl(shareLandingUrl);
			result.setQrCodeImageUrl(buildQrCodeImageUrl(inviteCode));
			result.setQrCodeDataUrl(buildQrCodeDataUrl(shareLandingUrl));
			result.setBoundUsers(listBoundUsers(doctorUser));
			return result;
			@@ -200,6 +202,46 @@
			}

			/**
			* 构建二维码图片公开访问地址。
			*/
			private String buildQrCodeImageUrl(String inviteCode) {
			String landingBaseUrl = trimToNull(appShareProperties.getLandingBaseUrl());
			if (landingBaseUrl == null) {
			throw new IllegalArgumentException("邀请下载页地址暂未配置");
			}
			int schemeIndex = landingBaseUrl.indexOf("://");
			if (schemeIndex < 0) {
			throw new IllegalArgumentException("邀请下载页地址格式不正确");
			}
			int hostEndIndex = landingBaseUrl.indexOf('/', schemeIndex + 3);
			String origin = hostEndIndex >= 0 ? landingBaseUrl.substring(0, hostEndIndex) : landingBaseUrl;
			String normalizedInviteCode = trimToNull(inviteCode);
			if (!StringUtils.hasText(normalizedInviteCode)) {
			throw new IllegalArgumentException("邀请码不能为空");
			}
			return origin + "/api/open/app-share/qrcode-image?inviteCode=" + normalizedInviteCode;
			}

			/**
			* 生成二维码 PNG 图片字节流。
			*/
			public byte[] generateQrcodeImage(String inviteCode) {
			Clinic clinic = findClinicByInviteCode(inviteCode);
			if (clinic == null) {
			throw new IllegalArgumentException("邀请码无效");
			}
			String shareLandingUrl = buildShareLandingUrl(requireInviteCode(clinic));
			try {
			BufferedImage image = QrCodeUtil.generate(shareLandingUrl, 400, 400);
			ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
			ImgUtil.write(image, "png", outputStream);
			return outputStream.toByteArray();
			} catch (Exception ex) {
			throw new IllegalArgumentException("生成分享二维码失败");
			}
			}

			/**
			* 构建绑定用户展示项。
			*/
			private AppShareBoundUserItemVO toBoundUserItem(AppUser user) {