public static void main(String[] args) {
System.out.println((char) ('Z' + 3));
System.out.println(StringUtil.decode("%E6%98%A5"));
Map m = new HashMap();
m.put("success", true);
Map m2 = new HashMap();
m2.put("success", "sdfsdf");
System.out.println(JsonUtil.writeValue(m));
System.out.println(JsonUtil.writeValue(m2));
}
