读一次情书 ，读取数 + 1

src/main/java/com/bsd/say/entities/LoveLetter.java

@@ -40,4 +40,9 @@ public class LoveLetter extends BaseEntity{
      * 信的唯一Id
      */
     private String letterId;
+
+    /**
+     * 读信数
+     */
+    private int readTimes;
 }

src/main/java/com/bsd/say/service/impl/LoveLetterServiceImpl.java

@@ -171,6 +171,10 @@ public class LoveLetterServiceImpl extends BaseServiceImpl<LoveLetterMapper, Lov
                     ajaxResult.setRetcode(AjaxResult.FAILED);
                     return ajaxResult;
                 }else {
+                    int readTimes = loveLetter.getReadTimes();
+                    loveLetter.setReadTimes(readTimes + 1);
+                    loveLetter.setUpdateDateTime(new Date());
+                    loveLetterMapper.updateById(loveLetter);
                     ajaxResult.setRetmsg("SUCCESS");
                     ajaxResult.setRetcode(AjaxResult.SUCCESS);
                     ajaxResult.setData(loveLetter);