新增用户注册/登录

src/main/java/com/lxyer/service/ContentService.java

@@ -1,9 +1,19 @@
 package com.lxyer.service;
 
-/**
+import com.lxyer.model.Content; /**
  * Created by JUECHENG at 2018/1/7 16:49.
  */
 public class ContentService {
 
+    public static final ContentService me = new ContentService();
 
+    public void save(Content content, int userId) {
+        if (content.getContentId() == null) {
+            content.setCreateTime(System.currentTimeMillis());
+            content.setUserId(userId);
+            content.save();
+        }else {
+            content.update();
+        }
+    }
 }