import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.ObjectInputStream;import java.io.ObjectOutputStream;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import org.slf4j.Logger;import org.slf4j.LoggerFactory;public class SerializeUtils {    private static final Logger LOG = LoggerFactory.getLogger(SerializeUtils.class);    /**     * 对象序列化为字符串     */    public static String serialize(Object obj) throws Exception {        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();        ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);        objectOutputStream.writeObject(obj);          String serStr = byteArrayOutputStream.toString("ISO-8859-1");//必须是ISO-8859-1        serStr = java.net.URLEncoder.encode(serStr, "UTF-8");//编码后字符串不是乱码（不编也不影响功能）         LOG.info("对象obj：【" + obj + "】序列化serStr：【" + serStr + "】");                objectOutputStream.close();        byteArrayOutputStream.close();        return serStr;    }    /**     * 字符串 反序列化为 对象     */    public static Object unSerialize(String serStr) throws Exception {        String redStr = java.net.URLDecoder.decode(serStr, "UTF-8");        ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(redStr.getBytes("ISO-8859-1"));        ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream);         Object obj = objectInputStream.readObject();        LOG.info("对象obj：【" + obj + "】反序列化serStr：【" + serStr + "】");                objectInputStream.close();        byteArrayInputStream.close();        return obj;    }    public static void main(String[] args) throws Exception {        List<HashMap<String, String>> list = new ArrayList<HashMap<String, String>>();        HashMap<String, String> map = new HashMap<String, String>();        map.put("number", "123");        map.put("name", "test");        list.add(map);        HashMap<String, String> map2 = new HashMap<String, String>();        map2.put("number", "1232");        map2.put("name", "test2");        list.add(map2);                String str=serialize(list);        System.err.println(str);        List<HashMap<String, String>> newList=(List<HashMap<String, String>>) unSerialize(str);        for(Map m : newList) {            System.out.println(m.get("number") + " " + m.get("name"));        }    }