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This article introduces the relevant knowledge of "json data conversion net.sf.json". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Guide package

Public void responseJson (Object obj, String [] excludes) throws IOException {/ / returns json data JsonConfig config = new JsonConfig (); / / excludes fields config.setExcludes (excludes) that do not need to be converted to json; HttpServletResponse response = ServletActionContext.getResponse (); response.setHeader ("content-type", "text/json;charset=utf-8") If (obj instanceof Collection) {JSONArray jsonArray = JSONArray.fromObject (obj, config); response.getWriter () .write (jsonArray.toString ());} else {JSONObject jsonObject = JSONObject.fromObject (obj, config); response.getWriter () .write (jsonObject.toString ()) }} / / do not turn to the subareas field, otherwise there will be an endless loop / / error such as: Caused by: org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.gwl.bos.model.Function.roles, could not initialize proxy-no Session responseJson (regions, new String [] {"roles"}); so much for the introduction of "json data conversion net.sf.json". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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