一：测试json数据如下：
{
'cat':'it',
'language':[
{'id':1,'ide':'eclipse','name':'Java'},
{'id':2,'ide':'XCode','name':'Swift'},
{'id':3,'ide':'Visual Stdio','name':'C#'}
],
'pop':true
}二：新建Student类，
public class Student {
String name;
int id;
String ide;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getIde() {
return ide;
}
public void setIde(String ide) {
this.ide = ide;
}
@Override
public String toString() {
return "Student [name=" + name + ", id=" + id + ", ide=" + ide + "]";
}
}三：接下来用fastjson进行解析，
public class TestJson {
public static void main(String[] args) {
String jsonStr = "{'cat':'it','language':[{'id':1,'ide':'eclipse','name':'Java'},{'id':2,'ide':'XCode','name':'Swift'},{'id':3,'ide':'Visual Stdio','name':'C#'}],'pop':true}";
JSONObject jsonObject = JSONObject.parseObject(jsonStr);
JSONArray jsonArray = jsonObject.getJSONArray("language");
for (int i = 0; i < jsonArray.size(); i++) {
JSONObject object = jsonArray.getJSONObject(i);
String name = object.getString("name");
String ide = object.getString("ide");
int id = object.getIntValue("id");
Student stu = new Student();
stu.setId(id);
stu.setIde(ide);
stu.setName(name);
System.out.println(stu.toString());
}
}
}四：fastjson还有更方便的方法，进行解析，
public class TestJson {
public static void main(String[] args) {
String jsonStr = "{'cat':'it','language':[{'id':1,'ide':'eclipse','name':'Java'},{'id':2,'ide':'XCode','name':'Swift'},{'id':3,'ide':'Visual Stdio','name':'C#'}],'pop':true}";
JSONObject jsonObject = JSONObject.parseObject(jsonStr);
JSONArray jsonArray = jsonObject.getJSONArray("language");
for (int i = 0; i < jsonArray.size(); i++) {
JSONObject object = jsonArray.getJSONObject(i);
Student stu = JSON.toJavaObject(object, Student.class);
System.out.println(stu.toString());
}
}
}五：运行结果如下：
