對象序列化成字符串亂碼解決


問題描述:
將一個對象序列化成字符串后,字符串是亂碼的,並且反序列化報錯。
代碼如下:

import com.alibaba.fastjson.JSONObject;
import org.springframework.util.SerializationUtils;
import java.util.ArrayList;
import java.util.List;

public class TempTest {
    public static void main(String[] args) {
        List<JSONObject> list = new ArrayList<>();
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("a", "123");
        list.add(jsonObject);
        String s = new String(SerializationUtils.serialize(list));
        System.out.println(s);
        System.out.println(SerializationUtils.deserialize(s.getBytes()));
    }
}

打印結果:

�� sr java.util.ArrayListx����a� I sizexp   w   sr com.alibaba.fastjson.JSONObject        L mapt Ljava/util/Map;xpsr java.util.HashMap���`� F 
loadFactorI 	thresholdxp?@           t at 123xx
Exception in thread "main" java.lang.IllegalArgumentException: Failed to deserialize object
	at org.springframework.util.SerializationUtils.deserialize(SerializationUtils.java:72)
	at demo.TempTest.main(TempTest.java:17)
Caused by: java.io.StreamCorruptedException: invalid stream header: EFBFBDEF
	at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:857)
	at java.io.ObjectInputStream.<init>(ObjectInputStream.java:349)
	at org.springframework.util.SerializationUtils.deserialize(SerializationUtils.java:68)
	... 1 more

問題原因:
暫未弄清,歡迎大佬指點

解決方案:
使用Base64編碼、解碼的方式解決
關於Base64可以參考:https://www.liaoxuefeng.com/wiki/897692888725344/949441536192576
代碼如下:

import com.alibaba.fastjson.JSONObject;
import org.springframework.util.SerializationUtils;
import java.util.ArrayList;
import java.util.Base64;
import java.util.List;

public class TempTest {
    public static void main(String[] args) {
        List<JSONObject> list = new ArrayList<>();
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("a", "123");
        list.add(jsonObject);
        // 使用Base64編碼
        String s = Base64.getEncoder().encodeToString(SerializationUtils.serialize(list));
        System.out.println(s);
        // 使用Base64解碼
        System.out.println(SerializationUtils.deserialize(Base64.getDecoder().decode(s)));
    }
}

打印結果:

rO0ABXNyABNqYXZhLnV0aWwuQXJyYXlMaXN0eIHSHZnHYZ0DAAFJAARzaXpleHAAAAABdwQAAAABc3IAH2NvbS5hbGliYWJhLmZhc3Rqc29uLkpTT05PYmplY3QAAAAAAAAAAQIAAUwAA21hcHQAD0xqYXZhL3V0aWwvTWFwO3hwc3IAEWphdmEudXRpbC5IYXNoTWFwBQfawcMWYNEDAAJGAApsb2FkRmFjdG9ySQAJdGhyZXNob2xkeHA/QAAAAAAADHcIAAAAEAAAAAF0AAFhdAADMTIzeHg=
[{"a":"123"}]


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