我想通过 URL 参数传递对象,通过序列化将其转换为字符串,然后通过反序列化获取对象。
这是我所做的:
在 URL 参数创建期间:
SerializationUtils.getAsString(localMarketHomeDTO.getPointInTime()); //serializing it
在提取值期间:
SerializationUtils.getAsObject(paramValue.toString(),Class.forName("java.util.Date")); //deserializing it
这里localMarketHomeDTO.getPointInTime()
是类型java.util.Date
。
课程SerializationUtils
是:
public class SerializationUtils{
private SerializationUtils(){
}
public static <T extends Serializable> String getAsString(T object) throws Exception {
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
objectOutputStream.writeObject(object);
objectOutputStream.flush();
return byteArrayOutputStream.toString("UTF-8");
}
public static <T> T getAsObject(String string, Class<T> clazz) throws Exception {
byte[] byteArray = string.getBytes("UTF-8");
ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(byteArray);
ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream);
T object = clazz.cast(objectInputStream.readObject());
return object;
}
}
但我有例外:
'java.util.Date; local class incompatible: stream classdesc serialVersionUID = 7523895402267505689, local class serialVersionUID = 7523967970034938905' due to 'java.io.InvalidClassException: java.util.Date; local class incompatible: stream classdesc serialVersionUID = 7523895402267505689, local class serialVersionUID = 7523967970034938905'
我该如何解决这个问题?