ps:看这篇博客之前首先要引入工具包json-lib-2.2.2-jdk15.jar
资源链接:百度云:链接:https://pan.baidu.com/s/1o9k7PSu 密码:00lj
一、从Object到String
要先用Object对象构造一个JSONObject或者JSONArray对象,然后调用它的toString()方法即可
(1)示例一
Book book=new Book(); book.setName("Java"); book.setPrice(52.3f); JSONObject object=JSONObject.fromObject(book); System.out.println(object.toString());