资源下载链路打通

src/main/java/com/quinn/service/SourceService.java

@@ -0,0 +1,22 @@
+package com.quinn.service;
+
+import com.quinn.pojo.Source;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+import javax.servlet.ServletOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * <p>
+ *  服务类
+ * </p>
+ *
+ * @author limqsh
+ * @since 2022-05-03
+ */
+public interface SourceService extends IService<Source> {
+
+    void downloadSource(ServletOutputStream outputStream, String sid) throws IOException;
+
+}