jackson使用xml转json
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package com.testtt.main.uu; import java.io.StringWriter; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.dataformat.xml.XmlMapper; import com.testtt.main.model.User; public class XmlUtil { private static XmlMapper xmlMapper = new XmlMapper(); private static ObjectMapper objectMapper = new ObjectMapper(); /** * xml字符串转成JSON格式字符串 * * @param xmlStr * @return */ public static String convertXmlToJson(String xml) { StringWriter w = new StringWriter(); try { JsonParser jp = xmlMapper.getFactory().createParser(xml); JsonGenerator jg = objectMapper.getFactory().createGenerator(w); while (jp.nextToken() != null) { jg.copyCurrentEvent(jp); } jp.close(); jg.close(); } catch (Exception e) { e.printStackTrace(); } return w.toString(); } /** * JSON转换成Object * * @param jsonStr * JSON格式字符串 * @param valueType * 对象 * @return */ public static <T> T readValue(String jsonStr,Class<T> clazz) { if (objectMapper == null) { objectMapper = new ObjectMapper(); } try { return objectMapper.readValue(jsonStr,clazz); } catch (Exception e) { e.printStackTrace(); } return null; } public static void main(String[] args) { String xml = "<?xml version="1.0" encoding="UTF-8" standalone="yes"?>" + "<user>" + "<address>jianXi</address><age>2</age><name>xiaoMing</name><sex>yy</sex><userId>22</userId>" + "</user>"; String json = convertXmlToJson(xml); System.out.println(json); System.out.println( readValue(convertXmlToJson(xml),User.class).toString()); } }
/******User******/ package com.testtt.main.model; import javax.xml.bind.annotation.XmlRootElement; //@XmlRootElement public class User { private String name; private String sex; private String address; private int age; private int userId; public User() { } public User(String name,String sex,String address,int age,int userId) { this.name = name; this.sex = sex; this.address = address; this.age = age; this.userId = userId; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getSex() { return sex; } public void setSex(String sex) { this.sex = sex; } public String getAddress() { return address; } public void setAddress(String address) { this.address = address; } public int getAge() { return age; } public void setAge(int age) { this.age = age; } public int getUserId() { return userId; } public void setUserId(int userId) { this.userId = userId; } @Override public String toString() { return "User [name=" + name + ",sex=" + sex + ",address=" + address + ",age=" + age + ",userId=" + userId + "]"; } } （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |