Java JSON processing tool class Usage Details, json tool class

Java JSON processing tool class Usage Details, json tool class

This example shares the code of the JSON processing tool class for your reference. The details are as follows:

Import java. io. IOException; import java. util. date; import java. util. hashMap; import java. util. map; import javax. servlet. http. httpServletResponse; import com. alibaba. fastjson. JSON; import com. alibaba. fastjson. serializer. serializerFeature; /***** @ author humf **/public class FastJsonUtil {/*** convert the object into a json String * @ param Object * @ return */public static String toJSONString (object Object) {// DisableCircularReferenceDetect to disable loop reference detection return JSON. toJSONString (object, SerializerFeature. disableCircularReferenceDetect);} // output json public static void write_json (HttpServletResponse response, String jsonString) {response. setContentType ("application/json; UTF-8"); response. setCharacterEncoding ("UTF-8"); try {response. getWriter (). print (jsonString);} catch (IOException e) {e. printStackTrace () ;}/ *** json String called back after ajax submission * @ return */public static String ajaxResult (boolean success, String message) {Map map = new HashMap (); map. put ("success", success); // whether map is successful. put ("message", message); // text message String json = JSON. toJSONString (map); return json ;} /*** automatically prefix the JSON String * @ param json original json String * @ param prefix * @ return the String with the prefix */public static String JsonFormatterAddPrefix (String json, string prefix, Map <String, Object> newmap) {if (newmap = null) {newmap = new HashMap ();} Map <String, Object> map = (Map) JSON. parse (json); for (String key: map. keySet () {Object object = map. get (key); if (isEntity (object) {String jsonString = JSON. toJSONString (object); JsonFormatterAddPrefix (jsonString, prefix + key + ". ", newmap);} else {newmap. put (prefix + key, object) ;}} return JSON. toJSONString (newmap);}/*** determines whether an object is an entity * @ param Object * @ return */private static boolean isEntity (object) {if (Object instanceof String) {return false;} if (object instanceof Integer) {return false;} if (object instanceof Long) {return false;} if (object instanceof java. math. bigDecimal) {return false;} if (object instanceof Date) {return false;} if (object instanceof java. util. collection) {return false;} return true ;}}

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