public class TestBeanWrapper extends TestCase {
public void testPropertyEditor() throws Exception{
Object obj = Class.forName("com.ws.po.UserBean").newInstance();
BeanWrapper bw = new BeanWrapperImpl(obj);錛圓錛?/榪欓噷灝辮鍋氭敞鍐屽睘鎬х紪杈戝櫒鐨勫伐浣?br> bw.setPropertyValue("id", "1");錛圔錛?br> System.out.println(bw.getPropertyValue("id").getClass());錛圕錛?br> }
}
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閭ｄ箞鍦ㄤ唬鐮丄榪欓噷鍒板簳鍙戠敓浜嗕簺浠涔堝憿(鍙拡瀵瑰睘鎬х紪杈戝櫒鏉ヨ)錛熶笅闈竴灞傚眰鍦板線閲岄潰璧般?br> 榪欐浠ｇ爜閲岄潰娌℃湁浠諱綍鐨勬湁鍏沖睘鎬х紪杈戝櫒鐨勪唬鐮侊紝閭ｄ箞灝卞彧鏈夊線BeanWrapperImpl閲岄潰鏌ユ壘銆?br>
public BeanWrapperImpl(Object object) {
registerDefaultEditors();//榪欓噷灝卞紑濮嬫敞鍐岄粯璁ょ殑灞炴х紪杈戝櫒浜?br> setWrappedInstance(object);
}
BeanWrapperImpl綾葷戶鎵胯嚜AbstractPropertyAccessor鎶借薄綾伙紝AbstractPropertyAccessor綾誨張緇ф壙鑷狿ropertyEditorRegistrySupport綾伙紝鍦≒ropertyEditorRegistrySupport涓氨瀹炵幇浜唕egisterDefaultEditors()榪欎釜鏂規(guī)硶錛屼唬鐮佸涓嬶細(xì)
protected void registerDefaultEditors() {
this.defaultEditors = new HashMap(32);
// Simple editors, without parameterization capabilities.
// The JDK does not contain a default editor for any of these target types.
this.defaultEditors.put(Class.class, new ClassEditor());
this.defaultEditors.put(Class[].class, new ClassArrayEditor());
this.defaultEditors.put(File.class, new FileEditor());
this.defaultEditors.put(InputStream.class, new InputStreamEditor());
this.defaultEditors.put(Locale.class, new LocaleEditor());
this.defaultEditors.put(Properties.class, new PropertiesEditor());
this.defaultEditors.put(Resource[].class, new ResourceArrayPropertyEditor());
this.defaultEditors.put(URL.class, new URLEditor());
// Register JDK-1.4-specific editors.
if (JdkVersion.isAtLeastJava14()) {
this.defaultEditors.put(URI.class, new URIEditor());
this.defaultEditors.put(Pattern.class, new PatternEditor());
}
// Default instances of collection editors.
// Can be overridden by registering custom instances of those as custom editors.
this.defaultEditors.put(Collection.class, new CustomCollectionEditor(Collection.class));
this.defaultEditors.put(Set.class, new CustomCollectionEditor(Set.class));
this.defaultEditors.put(SortedSet.class, new CustomCollectionEditor(SortedSet.class));
this.defaultEditors.put(List.class, new CustomCollectionEditor(List.class));
this.defaultEditors.put(SortedMap.class, new CustomMapEditor(SortedMap.class));
// Default editors for primitive arrays.
this.defaultEditors.put(byte[].class, new ByteArrayPropertyEditor());
this.defaultEditors.put(char[].class, new CharArrayPropertyEditor());
// The JDK does not contain a default editor for char!
this.defaultEditors.put(char.class, new CharacterEditor(false));
this.defaultEditors.put(Character.class, new CharacterEditor(true));
// Spring's CustomBooleanEditor accepts more flag values than the JDK's default editor.
this.defaultEditors.put(boolean.class, new CustomBooleanEditor(false));
this.defaultEditors.put(Boolean.class, new CustomBooleanEditor(true));
// The JDK does not contain default editors for number wrapper types!
// Override JDK primitive number editors with our own CustomNumberEditor.
this.defaultEditors.put(byte.class, new CustomNumberEditor(Byte.class, false));
this.defaultEditors.put(Byte.class, new CustomNumberEditor(Byte.class, true));
this.defaultEditors.put(short.class, new CustomNumberEditor(Short.class, false));
this.defaultEditors.put(Short.class, new CustomNumberEditor(Short.class, true));
this.defaultEditors.put(int.class, new CustomNumberEditor(Integer.class, false));
this.defaultEditors.put(Integer.class, new CustomNumberEditor(Integer.class, true));
this.defaultEditors.put(long.class, new CustomNumberEditor(Long.class, false));
this.defaultEditors.put(Long.class, new CustomNumberEditor(Long.class, true));
this.defaultEditors.put(float.class, new CustomNumberEditor(Float.class, false));
this.defaultEditors.put(Float.class, new CustomNumberEditor(Float.class, true));
this.defaultEditors.put(double.class, new CustomNumberEditor(Double.class, false));
this.defaultEditors.put(Double.class, new CustomNumberEditor(Double.class, true));
this.defaultEditors.put(BigDecimal.class, new CustomNumberEditor(BigDecimal.class, true));
this.defaultEditors.put(BigInteger.class, new CustomNumberEditor(BigInteger.class, true));
}
]]>