Convert complex JSON objects to map objects

The recent project needs to connect with the customer a WebService interface, the customer that JSON string over, belong to the more complex JSON string, here to share with you in my project used in the Analytic method:

The method requires the following jar

 Packagecom.test;Importjava.util.ArrayList;ImportJava.util.HashMap;ImportJava.util.Iterator;Importjava.util.List;ImportJava.util.Map;ImportNet.sf.json.JSONArray;ImportNet.sf.json.JSONObject;/*** Description *@authorLittle boss * @created December 7, 2017 morning 9:08:03*/ Public classTestjson {/*** Description: Convert complex JSON object to map object *@authorThe Little boss * @created December 7, 2017 morning 9:15:12 *@paramJsonstr *@return     */@SuppressWarnings ("Unused")    Private StaticMap<string, object>Parsejson2map (String jsonstr) {Map<string, object> map =NewHashmap<string, object>(); //Outermost parsingJsonobject JSON =Jsonobject.fromobject (JSONSTR);  for(Object K:json.keyset ()) {Object V=Json.get (k); //if the inner layer is still an array, continue parsing            if(VinstanceofJsonarray) {List<map<string, object>> list =NewArraylist<map<string, object>>(); Iterator<JSONObject> it =( (Jsonarray) v). iterator ();  while(It.hasnext ()) {Jsonobject Json2=It.next ();                List.add (Parsejson2map (json2.tostring ()));            } map.put (K.tostring (), list); } Else{map.put (k.tostring (), v); }        }        returnmap; }          Public Static voidMain (string[] args) {String jsonstring= "{\" paycnt\ ": 3,\" payinfo\ ": [{\" payinfomain\ ": {\" ordnum\ ": \" 201206010000001\ ", \" transsite\ ": \" \ ", \" Transbankno \ ": \" tepb\ ", \" bankacctno\ ": \" 010\ ", \" totamt\ ": \" 30\ ", \" billchkcode\ ": \" 3316\ ", \" tolldeptno\ ": \" ndzsxh000\ ", \" Bustype\ ": \" Fjfs\ ", \" other1\ ": \" remark1\ ", \" other2\ ": \" remark2\ ", \" bankname\ ": \" analog bank 2\ ", \" transseq\ ": \" 20120601000000001\ ", \" trantype\ ": \" \ ", \" sitecode\ ": \" 200001\ ", \" ebillverno\ ": \" 000001\ ", \" tolldeptname\ ": \" Ningde Accounting Professional Technical examination Leading group \ ", \" itemcnt\ ": 1,\" tranuser\ ": \" \ "\" Payer\ ": \" Ningde \ ", \" ebillno\ ": \" 201206010000000136\ ", \" Transbankname\ ": \" analog bank 2\ ", \" transacctno\ ": \" 010\ ", \" sitename\ ": \" national judicial Examination Network \ ", \" orddate\ ": \" 20120601\ "},\" Ebillno \ ": \" 201206010000000136\ ", \" payinfoitem\ ": [{\" amt\ ": \" 30\ ", \" chrgstd\ ": \" 1\ ", \" cnt\ ": \" 1\ ", \" chrgname\ ": \" Junior Network engineer Registration fee \ ", \" msruint\ ": \" yuan/section \ ", \" chrgcode\ ": \" ka460001\ "}]},{\" payinfomain\ ": {\" ordnum\ ": \" 201206010000001\ " , \ "transsite\": \ "\", \ "transbankno\": \ "tepb\", \ "bankacctno\": \ "010\", \ "totamt\": \ "10\", \ "billchkcode\": \ "2258\" , \ "tolldeptno\": \ "777516727\",\ "bustype\": \ "Fjfs\", \ "other1\": \ "remark1\", \ "other2\": \ "remark2\", \ "bankname\": \ "analog bank 2\", \ "transseq\": \ " 20120601000000001\ ", \" trantype\ ": \" \ ", \" sitecode\ ": \" 200001\ ", \" ebillverno\ ": \" 000001\ ", \" tolldeptname\ ": \" Fujian provincial Capital Management office \ ", \" itemcnt\ ": 1,\" tranuser\ ": \" \ ", \" Payer\ ": \" contributor \ ", \" ebillno\ ": \" 201206010000000134\ ", \" Transbankname\ ": \" analog bank 2\ ", \" transacctno\ ": \" 010\ ", \" sitename\ ": \" national judicial Examination Network \ ", \" orddate\ ": \" 20120601\ "},\" Ebillno \ ": \" 201206010000000134\ ", \" payinfoitem\ ": [{\" amt\ ": \" 10\ ", \" chrgstd\ ": \" 1\ ", \" cnt\ ": \" 1\ ", \" chrgname\ ": \" Traffic confiscated \ ", \" msruint\ ": \" meta/section \ ", \" chrgcode\ ": \" 460\ "}]},{\" payinfomain\ ": {\" ordnum\ ": \" 201206010000001\ ", \" Transsite\ " : \ "\", \ "transbankno\": \ "tepb\", \ "bankacctno\": \ "010\", \ "totamt\": \ "20\", \ "billchkcode\": \ "0198\", \ "tolldeptno\ ": \" 003604520\ ", \" bustype\ ": \" Fjfs\ ", \" other1\ ": \" remark1\ ", \" other2\ ": \" remark2\ ", \" bankname\ ": \" analog bank 2\ ", \" Transseq\ ": \" 20120601000000001\ ", \" trantype\ ": \" \ ", \" sitecode\ ": \" 200001\ ", \" ebillverno\ ": \" 000001\ ", \" Tolldeptname\ ": \" Fuzhou Finance Bureau accounting management Department \ "ITEMCN"T\ ": 1,\" tranuser\ ": \" \ ", \" Payer\ ": \" Fuzhou \ ", \" ebillno\ ": \" 201206010000000135\ ", \" transbankname\ ": \" analog bank 2\ ", \" Transacctno\ ": \" 010\ ", \" sitename\ ": \" national judicial Examination Network \ ", \" orddate\ ": \" 20120601\ "},\" ebillno\ ": \" 201206010000000135\ ", \" Payinfoitem\ ": [{\" amt\ ": \" 20\ ", \" chrgstd\ ": \" 1\ ", \" cnt\ ": \" 1\ ", \" chrgname\ ": \" Accounting qualification certificate Examination fee \ ", \" msruint\ ": \" yuan/section \ " , \ "chrgcode\": \ "Ba460\"}]}]} "; Map<string, object> map=Parsejson2map (jsonstring); System.out.println (Map.get ("paycnt"));//number of electronic bills acquiredList List = (list) map.get ("Payinfo");//get e-ticket information (list type)Map T = (map) list.get (0);//get the first row of records, map typeMap Mainmap = (map) t.get ("Payinfomain");//get e-ticket key information, map typeString user = (string) mainmap.get ("payer");//Take out the contributor.System.out.println (user); }}

Tested Background Printing: 3 Ningde

Convert complex JSON objects to map objects