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package com.platform.utils; import org.apache.commons.beanutils.DynaBean; import org.apache.commons.beanutils.DynaProperty; import org.apache.commons.beanutils.PropertyUtils; import org.apache.commons.beanutils.PropertyUtilsBean; import java.beans.PropertyDescriptor; import java.lang.annotation.Annotation; import java.lang.reflect.Field; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.math.BigDecimal; import java.math.BigInteger; import java.util.*; /** * bean 对象工具类 * 描述：<br> * * @author 李鹏军 * @version 1.0 * @since 1.0.0 */ public class MyBeanUtils extends PropertyUtilsBean { /** * 主要功能:转换 * 注意事项:无 * * @param dest 结果对象 * @param orig 来源对象 * @throws IllegalAccessException 异常 * @throws InvocationTargetException 异常 */ @SuppressWarnings("all") private static void convert(Object dest, Object orig) throws IllegalAccessException, InvocationTargetException { // Validate existence of the specified beans if (dest == null) { throw new IllegalArgumentException("No destination bean specified"); } if (orig == null) { throw new IllegalArgumentException("No origin bean specified"); } // Copy the properties, converting as necessary if (orig instanceof DynaBean) { DynaProperty[] origDescriptors = ((DynaBean) orig).getDynaClass().getDynaProperties(); for (int i = 0; i < origDescriptors.length; i++) { String name = origDescriptors[i].getName(); if (PropertyUtils.isWriteable(dest, name)) { Object value = ((DynaBean) orig).get(name); try { getInstance().setSimpleProperty(dest, name, value); } catch (Exception e) { ; // Should not happen } } } } else if (orig instanceof Map) { Iterator names = ((Map) orig).keySet().iterator(); while (names.hasNext()) { String name = (String) names.next(); if (PropertyUtils.isWriteable(dest, name)) { Object value = ((Map) orig).get(name); try { getInstance().setSimpleProperty(dest, name, value); } catch (Exception e) { ; // Should not happen } } } } else { /* if (orig is a standard JavaBean) */ PropertyDescriptor[] origDescriptors = PropertyUtils.getPropertyDescriptors( orig); for (int i = 0; i < origDescriptors.length; i++) { String name = origDescriptors[i].getName(); // String type = origDescriptors[i].getPropertyType().toString(); if ("class".equals(name)) { continue; // No point in trying to set an object's class } if (PropertyUtils.isReadable(orig, name) && PropertyUtils.isWriteable(dest, name)) { try { Object value = PropertyUtils.getSimpleProperty(orig, name); getInstance().setSimpleProperty(dest, name, value); } catch (IllegalArgumentException ie) { ; // Should not happen } catch (Exception e) { ; // Should not happen } } } } } /** * 对象拷贝 * 数据对象空值不拷贝到目标对象 * * @param databean 数据对象 * @param tobean 返回对象 * @throws Exception 异常 */ public static void copyBeanNotNull2Bean(Object databean, Object tobean) throws Exception { PropertyDescriptor[] origDescriptors = PropertyUtils.getPropertyDescriptors( databean); for (int i = 0; i < origDescriptors.length; i++) { String name = origDescriptors[i].getName(); // String type = origDescriptors[i].getPropertyType().toString(); if ("class".equals(name)) { continue; // No point in trying to set an object's class } if (PropertyUtils.isReadable(databean, name) && PropertyUtils.isWriteable(tobean, name)) { try { Object value = PropertyUtils.getSimpleProperty(databean, name); if (value != null) { getInstance().setSimpleProperty(tobean, name, value); } } catch (IllegalArgumentException ie) { ; // Should not happen } catch (Exception e) { ; // Should not happen } } } } /** * 把orig和dest相同属性的value复制到dest中 * * @param dest 结果 * @param orig 来源 * @throws Exception 异常 */ public static void copyBean2Bean(Object dest, Object orig) throws Exception { convert(dest, orig); } /** * 主要功能:bean 转换成 map * 注意事项:无 * * @param map map对象 * @param bean bean对象 */ @SuppressWarnings("all") public static void copyBean2Map(Map map, Object bean) { PropertyDescriptor[] pds = PropertyUtils.getPropertyDescriptors(bean); for (int i = 0; i < pds.length; i++) { PropertyDescriptor pd = pds[i]; String propname = pd.getName(); try { Object propvalue = PropertyUtils.getSimpleProperty(bean, propname); map.put(propname, propvalue); } catch (IllegalAccessException e) { // e.printStackTrace(); } catch (InvocationTargetException e) { // e.printStackTrace(); } catch (NoSuchMethodException e) { // e.printStackTrace(); } } } /** * 主要功能:bean 转换成 map * 注意事项:无 * * @param map map对象 * @param bean bean对象 */ @SuppressWarnings("all") public static void copyBean2Map(Map map, Object bean, List<String> fieldNameList) { for (int i = 0; i < fieldNameList.size(); i++) { String oldPropname = fieldNameList.get(i); String propname = StringUtils.lineToHump(oldPropname); try { Object propvalue = getProp(bean, propname); map.put(oldPropname, propvalue); } catch (Exception e) { } } } /** * 将Map内的key与Bean中属性相同的内容复制到BEAN中 * * @param bean Object * @param properties Map */ @SuppressWarnings("all") public static void copyMap2Bean(Object bean, Map properties) { if ((bean == null) || (properties == null)) { return; } // map key 集合 Iterator names = properties.keySet().iterator(); // 逐个处理key转换 while (names.hasNext()) { String name = (String) names.next(); if (name == null) { continue; } Object value = properties.get(name); try { // name转换成驼峰 name = StringUtils.lineToHump(name); // 获取属性类型 Class clazz = PropertyUtils.getPropertyType(bean, name); if (null == clazz) { continue; } String className = clazz.getNam