这里是我的Java代码是用于反序列化, 我想将json字符串转换为java对象。在这方面,我使用了下面的代码:杰克逊反序列化JSON到Java对象
package ex1jackson;
import com.fasterxml.jackson.core.JsonGenerationException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
public class Ex1jackson {
public static void main(String[] args) {
ObjectMapper mapper = new ObjectMapper();
try {
String userDataJSON = "[{\"id\":\"value11\",\"name\": \"value12\",\"qty\":\"value13\"},"
+ "{\"id\": \"value21\",\"name\":\"value22\",\"qty\": \"value23\"}]";
product userFromJSON = mapper.readValue(userDataJSON, product.class);
System.out.println(userFromJSON);
} catch (JsonGenerationException e) {
System.out.println(e);
} catch (JsonMappingException e) {
System.out.println(e);
} catch (IOException e) {
System.out.println(e);
}
}
}
和我product.java类
package ex1jackson;
public class product
{
private String id;
private String name;
private String qty;
@Override
public String toString() {
return "Product [id=" + id+ ", name= " + name+",qty="+qty+"]";
}
}
我收到以下错误。
com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException:
Unrecognized field "id" (class ex1jackson.product), not marked as ignorable (0 known properties: ]) at
[Source: [email protected]; line: 1, column: 8] (through reference chain: ex1jackson.product["id"])
BUILD SUCCESSFUL (total time: 0 seconds)
帮我解决这个问题,
@ Esteban Araya我已经尝试过,但同样的错误发生 – MAHI 2013-02-15 08:01:32