更新 '3.3.cpp'

3.3.cpp

@@ -91,6 +91,17 @@ int main()
                               });
               });
 
+    conn.exec("use bigdata2",nullptr);
+    conn.exec("select title,count(*) as want_num from pages where ( title like '%大数据%' ) group by title order by want_num desc",[&](MySQLResult& res)
+              {
+                  res.stepRow([&](char** val,unsigned long* len)
+                              {
+                                  string city(val[0]);
+                                  int cc=ParseInt(val[1]);
+                                  dmp[Trim(city)].push_back(cc);
+                              });
+              });
+
     fn1(dmp);
 
     vector<pair<string,int>> vec;
@@ -105,6 +116,7 @@ int main()
 
     ofstream ofs("result/3.3.csv");
     #define cout ofs
+    cout<<"岗位名称,需求量"<<endl;
     int szLoop=min(10u,vec.size());
     for(int i=0;i<szLoop;i++)
     {