https://commons.apache.org/proper/commons-io/download_io.cgi
https://commons.apache.org/proper/commons-io/apidocs/org/apache/commons/io/FileUtils.html
https://stleary.github.io/JSON-java/org/json/JSONObject.html
https://github.com/stleary/JSON-java
try { String filename = "geovindu.json"; InputStream is = SqlDuMain.class.getResourceAsStream(filename); JSONTokener tokener = new JSONTokener(is); JSONObject object = new JSONObject(tokener); System.out.println("Id : " + object.getLong("id")); System.out.println("Name: " + object.getString("name")); System.out.println("Age : " + object.getInt("age")); System.out.println("Courses: "); JSONArray courses = object.getJSONArray("courses"); for (int dui = 0; dui < courses.length(); dui++) { System.out.println(" - " + courses.get(dui)); } /*Geovin Du 涂聚文*/ //2 File file=new File("src/geovindu.json"); if (file.exists()) { String content = FileUtils.readFileToString(file, "UTF-8"); System.out.println(content); //String filename1 = "geovindu.json"; JSONObject jsonObject = parseJSONFile("src/geovindu.json"); System.out.println(jsonObject.toString()); } } catch (Exception exception) { exception.printStackTrace(); } } catch (NoSuchMethodException exception) { exception.printStackTrace(); } catch (Exception exception){ exception.printStackTrace(); }