Question

java解析json,然后将其转换为xml

1、解析附件的person.json文件，然后生成一个person.xml文件。
{
"teachers":[
{"name":"黄波","course":"网页高级设计"},
{"name":"贺敏","course":"Java程序设计"},
{"name":"毛丽娟","course":"JavaScript程序设计"}
],
"students":[
{"name":"张三","age":20},
{"name":"李四","age":21},
{"name":"王五","age":19}
]
}

Answer 1

需要的依赖:
        <dependency>  
            <groupId>de.odysseus.staxon</groupId>  
            <artifactId>staxon</artifactId>  
            <version>1.2</version>  
        </dependency>
代码：
    public static void main(String[] args) throws Exception {
        // 输入json文件
        String encoding = "UTF-8";
        File jsonFile = new File("C:/Users/Administrator/Desktop/person.json");
        Long jsonFilelength = jsonFile.length();
        byte[] JsonBytes = new byte[jsonFilelength.intValue()];
        FileInputStream in = new FileInputStream(jsonFile);
        in.read(JsonBytes);
        in.close();
        String json = new String(JsonBytes, encoding);
        // json --> xml
        StringReader input = new StringReader(json);
        StringWriter output = new StringWriter();
        JsonXMLConfig config = new JsonXMLConfigBuilder().multiplePI(false)
                .repairingNamespaces(false).build();
        XMLEventReader reader = new JsonXMLInputFactory(config)
                .createXMLEventReader(input);
        XMLEventWriter writer = XMLOutputFactory.newInstance()
                .createXMLEventWriter(output);
        writer = new PrettyXMLEventWriter(writer);
        writer.add(reader);
        reader.close();
        writer.close();
        output.close();
        input.close();
        // 输出成xml文件
        File xmlFile = new File("C:/Users/Administrator/Desktop/person.xml");
        PrintWriter outFile = new PrintWriter(xmlFile);
        outFile.write(output.toString());
        outFile.flush();
        outFile.close();
    }