Question

java判断一个字符串是否是json格式

Answer 1

ScriptEngineManager sem = new ScriptEngineManager (); ScriptEngine se = sem.getEngineByName ("js"); String jsonstr = "({name: 1, obj: 3,[dd]})"; try { System.out.println (se.eval (jsonstr)); } catch (ScriptException e) { System.out.println ("json格式有误"); }