基于java web的宿舍管理系统源码.zip

package com.bjpowernode.common.util; import java.beans.PropertyDescriptor; import java.lang.reflect.InvocationTargetException; import java.util.Iterator; import java.util.Map; import org.apache.commons.beanutils.DynaBean; import org.apache.commons.beanutils.DynaProperty; import org.apache.commons.beanutils.PropertyUtils; public class MyBeanUtils extends org.apache.commons.beanutils.BeanUtils { 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 { copyProperty(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 { copyProperty(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); copyProperty(dest, name, value); } catch (java.lang.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 dataObject * @param toObject * @throws NoSuchMethodException * copy */ 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){ copyProperty(tobean, name, value); } } catch (java.lang.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 * @param orig * @throws IllegalAccessException * @throws InvocationTargetException */ public static void copyBean2Bean(Object dest, Object orig) throws Exception { convert(dest, orig); } 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(); } } } /** * 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 * @throws IllegalAccessException * @throws InvocationTargetException */ public static void copyMap2Bean(Object bean, Map properties) throws IllegalAccessException, InvocationTargetException { // Do nothing unless both arguments have been specified if ( (bean == null) || (properties == null)) { return; } // Loop through the property name/value pairs to be set Iterator names = properties.keySet().iterator(); while (names.hasNext()) { String name = (String) names.next(); // Identify the property name and value(s) to be assigned if (name == null) { continue; } Object value = properties.get(name); try { Class clazz = PropertyUtils.getPropertyType(bean, name); if (null == clazz) { continue; } String className = clazz.getName(); if (className.equalsIgnoreCase("java.sql.Timestamp")) { if (value == null || value.equals("")) { continue; } } setProperty(bean, name, value); } catch (NoSuchMethodException e) { continue; } } } /** * 自动转Map key值大写 * 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 * @throws IllegalAccessException * @throws InvocationTargetException */ public static void copyMap2Bean_Nobig(Object bean, Map properties) throws IllegalAccessException, InvocationTargetException { // Do nothing unless both arguments have been specified if ( (bean == null) || (properties == null)) { return; } // Loop through the property name/value pairs to be set Iterator names = properties.keySet().iterator(); while (names.hasNext()) { String name = (String) names.next(); // Identify the property name and value(s) to be assigned if (name == null) { continue; } Object value = properties.get(name); // 命名应该大小写应该敏感(否则取不到对象的属性) //name = name.toLowerCase(); try { if (value == null) { // 不光Date类型，好多类型在null时会出错 cont