feat: 课程列表SQL版

完善了所有查询条件，并完善导出接口

servers/boe-server-all/src/main/java/com/xboe/enums/CourseStatusEnum.java

@@ -0,0 +1,28 @@
+package com.xboe.enums;
+
+import lombok.Getter;
+
+import java.util.Arrays;
+
+@Getter
+public enum CourseStatusEnum {
+
+    STATUS_NONE(1, "-"),
+    STATUS_SUBMIT(2, "审核中"),
+    STATUS_AUDIT_NOPASS(3, "审核驳回"),
+    STATUS_AUDIT_FINISH(5, "审核通过")
+    ;
+
+    private final int code;
+
+    private final String label;
+
+    CourseStatusEnum(int code, String label) {
+        this.code = code;
+        this.label = label;
+    }
+
+    public static CourseStatusEnum getByCode(int code) {
+        return Arrays.stream(values()).filter(item -> item.code == code).findFirst().orElse(STATUS_NONE);
+    }
+}