优化预缓存，接入ServerLog

proxy/log.js

@@ -1,3 +1,4 @@
+const shortid = require('shortid');
 const logModel = require('../models/log')
     .LogModel;
 
@@ -44,3 +45,21 @@ exports.getAllCount = () => {
         });
     });
 };
+
+/**
+ * 持久化日志
+ */
+exports.store = (level, err) => {
+    const newLog = new logModel({
+        _id: shortid.generate(),
+        level,
+        message: err.message || '未知错误',
+        meta: err,
+        timestamp: new Date()
+    });
+    newLog.save(err => {
+        if (err) {
+            return console.error(err);
+        }
+    });
+}

proxy/post.js

@@ -2,6 +2,8 @@ const postModel = require('../models/post')
     .PostModel;
 const redisClient = require('../utility/redisClient');
 const tool = require('../utility/tool');
+const serverlog = require('serverlog-node');
+const logger = serverlog.getLogger('post');
 
 /**
  * 为首页数据查询构建条件对象
@@ -78,6 +80,8 @@ exports.getPosts = params => {
                 if (posts) {
                     redisClient.setItem(cache_key, posts, redisClient.defaultExpired);
                 }
+
+                logger.infoE('构建的查询对象：', query, '数据库返回结果：', posts)
                 return resolve(posts);
             });
         }, err => {