Java之——Map与JavaBean互相转化

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不多说，直接上代码：

package com.chwl.medical.utils.reflect;import java.lang.reflect.Field;import java.lang.reflect.Modifier;import java.util.HashMap;import java.util.Map;/** * 利用反射对Java对象和Map相互转化 * @author liuyazhuang * */public class ReflectMap {/** * 将Map转化为Object返回泛型类型 * @param map * @param beanClass * @return * @throws Exception */@SuppressWarnings("unchecked")public static <T> T mapToT(Map<String, Object> map, Class<T> beanClass){Object obj = mapToObject(map, beanClass);return obj == null ? null : ((T)obj);} /**  * 将Map转化为Object * @param map * @param beanClass * @return * @throws Exception */public static Object mapToObject(Map<String, Object> map, Class<?> beanClass){        if (map == null)          return null;        Object obj = null;try {obj = beanClass.newInstance();  Field[] fields = obj.getClass().getDeclaredFields();   for (Field field : fields) {        int mod = field.getModifiers();        if(Modifier.isStatic(mod) || Modifier.isFinal(mod)){            continue;        }        field.setAccessible(true);        field.set(obj, map.get(field.getName()));   }} catch (Exception e) {e.printStackTrace();}       return obj;    }    /** * 将Object转化为Map * @param obj * @return * @throws Exception */public static Map<String, Object> objectToMap(Object obj) {        if(obj == null){            return null;        }       Map<String, Object> map = new HashMap<String, Object>();        try {    Field[] declaredFields = obj.getClass().getDeclaredFields();        for (Field field : declaredFields) {            field.setAccessible(true);          map.put(field.getName(), field.get(obj));      }    } catch (Exception e) {e.printStackTrace();}    return map;  }   /** * 将Object转化为Map * @param obj * @return * @throws Exception */public static Map<String, Object> beanToMap(Object obj) {    if(obj == null){    return null;    }   Map<String, Object> map = new HashMap<String, Object>();    try {Field[] declaredFields = obj.getClass().getDeclaredFields();    for (Field field : declaredFields) {    field.setAccessible(true);  map.put(field.getName(), field.get(obj));  }if(map.containsKey("serialVersionUID")){map.remove("serialVersionUID");}} catch (Exception e) {e.printStackTrace();}return map;  }   }

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