Merge remote-tracking branch 'origin/fix-issue#9'

src/main/java/cn/meteor/beyondclouds/modules/blog/form/BlogForm.java

@@ -28,9 +28,7 @@ public class BlogForm {
     @NullOrNotBlank(message = "请传入有效的原文链接")
     private String originLink;
 
-    @NotNull(message = "摘要不能为空", groups = InsertGroup.class)
-    @NotEmpty(message = "摘要不能为空", groups = InsertGroup.class)
-    @NullOrNotBlank(message = "请传入有效的摘要", groups = UpdateGroup.class)
+    @NullOrNotBlank(message = "请传入有效的摘要")
     private String blogAbstract;
 
     @NotNull(message = "博客类型不能为空", groups = InsertGroup.class)

src/main/java/cn/meteor/beyondclouds/modules/blog/service/impl/BlogServiceImpl.java

@@ -102,7 +102,19 @@ public class BlogServiceImpl extends ServiceImpl<BlogMapper, Blog> implements IB
             blog.setAllowForward(false);
         }
 
-
+        //如果没有手动添加摘要则自动从内容里摘取20字
+        if (null == blog.getBlogAbstract()) {
+            //去除内容中的HTML标签
+            String con = "";
+            con = content.replaceAll("<[^>]+>|</[^>]+>", "");
+            con = con.replaceAll(" ", "");
+            //判断内容是否有20个字
+            if (con.length() <= 20) {
+                blog.setBlogAbstract(con + "...");
+            } else {
+                blog.setBlogAbstract(con.substring(0, 20) + "...");
+            }
+        }
         //1.判断博客类型是否存在
         BlogCategory blogCategory = blogCategoryService.getById(blog.getCategoryId());
         if (null == blogCategory) {