java读取json文件进行解析,String转json对象

<!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
<dependency>
    <groupId>commons-io</groupId>
    <artifactId>commons-io</artifactId>
    <version>2.4</version>
</dependency>

String jsonFilePath = "C:/a.json";
File file = new File(jsonFilePath );
String input = FileUtils.readFileToString(file,"UTF-8");
JSONObject obj = new JSONObject(input);