The MongoDB instance of ASP.

Record the required code first, and add the article later.

1      Public classMongonearby2     {3         Private Static ObjectObjlock =New Object();4         Private Staticmongodatabase MONGO;5 6         Private Staticmongodatabase Instance7         {8             Get9             {Ten                 if(MONGO = =NULL) One                 { A                     Lock(Objlock)//Prevent multithreaded Construction -                     { -                         stringConnctionstring ="mongodb://192.168.1.x:27017"; theMongoclient client =Newmongoclient (connctionstring); -Mongoserver Server =client. Getserver (); -MONGO = server. Getdatabase ("nearby");//Database -                     } +                 } -                 returnMONGO; +             } A         } at  -         /// <summary> -         ///Save Record -         /// </summary> -         /// <param name= "info" ></param> -         /// <returns></returns> in          Public Static BOOLSavenearby (nearinfo info) -         { to             if(Info = =NULL) +                 return false; -             Try the             { *Mongocollection collection = Instance.getcollection<nearinfo> ("UserInfo"); $querydocument query =Newquerydocument ();Panax NotoginsengQuery. ADD ("userid", Info.userid); - collection. Remove (query); the  +Writeconcernresult result =collection. Insert (info); AClog.writelog ("Write:"+info. ToJson ()); the                 returnresult. Ok; +             } -             Catch(Exception ex) $             { $Clog.writelog (ex. Message+info. ToJson ()); -                 return false; -             } the         } - Wuyi         /// <summary> the         ///Nearby Users -         /// </summary> Wu         /// <param name= "Sex" ></param> -         /// <param name= "longitude" ></param> About         /// <param name= "latitude" ></param> $         /// <param name= "Total" ></param> -         /// <param name= "Limit" ></param> -         /// <param name= "MaxDistance" ></param> -         /// <returns></returns> A          Public StaticList<userinfo> Getnearbyuser (intmyUID,intSexDoubleLongitude,DoubleLatituderef intTotalintLimit = +,intMaxDistance = -* +) +         { thelist<userinfo> list =NULL; -             Try $             { theList =NewList<userinfo>(); the                 DoubleRadius =6378000; theMongocollection<nearinfo> collection = Instance.getcollection<nearinfo> ("UserInfo"); the  -                 #regionMethod 2 calculates the distance inImongoquery query = Query.ne ("userid", myUID); the                 if(Sex = =0|| Sex = =1) { theQuery =query.and (query.ne ("Sex",1-sex), Query.ne ("userid", myUID)); About                 } theGeonearoptionsbuilder options = geonearoptions.setmaxdistance (MaxDistance *1.0/radius). Setspherical (true). Setdistancemultiplier (RADIUS); the                 varresult =collection. Geonear (query, longitude, latitude, limit, options); the  +                 varResponse =result. Response; -                 foreach(varIteminchresponse["Results"]. Asbsonarray) the                 {BayiBsondocument Bson =item. asbsondocument; the                     vardis = bson["Dis"]. asdouble;//distance from the interval the                     varobj = bson["obj"]. asbsondocument; -Nearinfo info = bsonserializer.deserialize<nearinfo>(obj); -                     if(Info = =NULL) the                         Continue; the  theUserInfo tmp =NewUserInfo { theUserID =Info.userid, -dis =Dis, theUnick =Cuser.getusernick (Info.userid), theHeadimg =cuser.userheadimg (Info.userid). Facemiddle, theUsign = Getmemo (Info.userid), sex= (Info.sex = =1?"male":"female")94                     }; the list. ADD (TMP); thetotal++; the                     //Clog.writelog (info.sex.ToString ());98                 } AboutClog.writelog (myuid+"Read:"+result. Response.tojson ()); -                 #endregion101                 //Clog.writelog (list. ToJson ());102             }103             Catch(Exception ex) {104 Clog.writelog (ex. Message); the             }106             returnlist;107         }108 109          Public Static stringGetmemo (intuserid) the         {111             stringMemo =string. Empty; the             string_tmp =string. Empty;113             int_TMP1 =0; theCuser.getuserdetail (UserID, out_TMP1, out_tmp, out_TMP1, out_tmp, out_tmp, outmemo); the             returnMemo; the         }117}

Blog Park just started to use, do not know how to keep the file ...

The MongoDB instance of ASP.