JSON-json-lib-工具类

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Maven依赖：

<dependency>            <groupId>net.sf.json-lib</groupId>            <artifactId>json-lib</artifactId>            <version>2.4</version>            <classifier>jdk15</classifier> </dependency>

import net.sf.ezmorph.object.DateMorpher;import net.sf.json.JSONArray;import net.sf.json.JSONObject;import net.sf.json.JsonConfig;import net.sf.json.util.JSONUtils;import net.sf.json.util.PropertyFilter;import java.util.*;public class JSONUtil {/////////////////////////////////////////////////Object2JSON///////////////////////////////////////////////////    public static JSONObject str2JSONObject(String str) {        return JSONObject.fromObject(str);    }    public static JSONArray javaBean2JSONArray(Object bean) {        return JSONArray.fromObject(bean);    }    public static JSONObject javaBean2JSONObject(Object bean) {        return JSONObject.fromObject(bean);    }    public static JSONArray list2JSONArray(List lst) {        JsonConfig config = new JsonConfig();        config.setJsonPropertyFilter(new PropertyFilter() {            public boolean apply(Object arg0, String arg1, Object arg2) {                if (arg1.equals("card") ||arg1.equals("fans")) {                    return true;                } else {                    return false;                }            }        });        return JSONArray.fromObject(lst);    }    public static JSONObject list2JSONObject(List<Object> lst) {        JSONObject jsonObj = new JSONObject();        jsonObj.put("objs", lst);        return jsonObj;    }    public static JSONObject map2JSONObject(Map map) {        return JSONObject.fromObject(map);    }    public static JSONArray map2JSONArray(Map map) {        return JSONArray.fromObject(map);    }/////////////////////////////////////////////////JSON2Object///////////////////////////////////////////////////    public static Object jSONObject2javaBean(JSONObject jsonObject, Class cls) {        String[] dateFormats = new String[]{"yyyy-MM-dd"};        JSONUtils.getMorpherRegistry().registerMorpher(                new DateMorpher(dateFormats));        return JSONObject.toBean(jsonObject, cls);    }    public static List jSONArray2List(JSONArray jsArray) {        List list = null;        for (int i = 0; i < jsArray.size(); i++) {            JSONObject jsobj = jsArray.getJSONObject(i);            list.add(jsobj);        }        return list;    }    public static List<Map> jsonArray2MapList(Object obj) {        List<Map> lst = new ArrayList<Map>();        JSONArray jsArray = JSONArray.fromObject(obj);        Object[] array = jsArray.toArray();        for (int i = 0; i < array.length; i++) {            Map<String, Object> map = jSONObject2Map(array[i].toString());            lst.add(map);        }        return lst;    }    public static Map jSONObject2Map(Object obj) {        JSONObject js = JSONObject.fromObject(obj);        Iterator ite = js.keys();        Map<String, Object> map = new HashMap<String, Object>();        while (ite.hasNext()) {            Object o = ite.next();            Object oo = js.get(o.toString());            if (oo instanceof JSONObject) {                map.put(o.toString(), oo.toString());            } else if (oo instanceof JSONArray) {                JSONArray ooo = (JSONArray) oo;                List list = new ArrayList();                for (int i = 0; i < ooo.toArray().length; i++) { //for (int i = 0; i < ooo.length(); i++) {                    String jso = ooo.getString(i);                    list.add(jso.toString());                }                map.put(o.toString(), list);            } else {                map.put(o.toString(), oo);            }        }        return map;    }    public static Map<String, String> jSONObjectOfOneLevel2Map(JSONObject jsonObject) {        Map<String, String> map = new HashMap<String, String>();        Iterator it = jsonObject.keys();        // 遍历jsonObject数据，添加到Map对象        while (it.hasNext()) {            String key = String.valueOf(it.next());            String value = (String) jsonObject.get(key);            map.put(key, value);        }        return map;    }

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