json-lib序列化java.sql.Date

 

import java.util.HashMap;

import net.sf.json.JSONObject;
import net.sf.json.JsonConfig;
import net.sf.json.processors.JsDateJsonBeanProcessor;

public class JsonDate {

    public static void main(String[] args) {
        // json-lib默认不支持java.sql.Date的序列化，要序列化自己的类，实现一个BeanProcessor处理即可
        JsDateJsonBeanProcessor beanProcessor = new JsDateJsonBeanProcessor();
        java.sql.Date d = new java.sql.Date(System.currentTimeMillis());

        // 直接序列化
        JsonConfig config = new JsonConfig();
        JSONObject json = beanProcessor.processBean(d, config);
        System.out.println(json.toString());

        // 序列化含java.sql.Date作为属性值的bean
        HashMap m = new HashMap();
        m.put("date", d);
        config.registerJsonBeanProcessor(java.sql.Date.class, beanProcessor);
        json = JSONObject.fromObject(m, config);
        System.out.println(json.toString());
    }
}

{"year":2010,"month":11,"day":18,"hours":22,"minutes":31,"seconds":47,"milliseconds":572}

{"date":{"year":2010,"month":11,"day":18,"hours":22,"minutes":31,"seconds":47,"milliseconds":572}}