浅谈SpringMVC数据绑定

查看spring源码可以看出spring支持转换的数据类型：
org.springframework.beans.PropertyEditorRegistrySupport:
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/**  
 * Actually register the default editors for this registry instance.  
 */  
private void createDefaultEditors() {   
    this.defaultEditors = new HashMap<Class, PropertyEditor>(64);   
  
    // Simple editors, without parameterization capabilities.   
    // The JDK does not contain a default editor for any of these target types.   
    this.defaultEditors.put(Charset.class, new CharsetEditor());   
    this.defaultEditors.put(Class.class, new ClassEditor());   
    this.defaultEditors.put(Class[].class, new ClassArrayEditor());   
    this.defaultEditors.put(Currency.class, new CurrencyEditor());   
    this.defaultEditors.put(File.class, new FileEditor());   
    this.defaultEditors.put(InputStream.class, new InputStreamEditor());   
    this.defaultEditors.put(InputSource.class, new InputSourceEditor());   
    this.defaultEditors.put(Locale.class, new LocaleEditor());   
    this.defaultEditors.put(Pattern.class, new PatternEditor());   
    this.defaultEditors.put(Properties.class, new PropertiesEditor());   
    this.defaultEditors.put(Resource[].class, new ResourceArrayPropertyEditor());   
    this.defaultEditors.put(TimeZone.class, new TimeZoneEditor());   
    this.defaultEditors.put(URI.class, new URIEditor());   
    this.defaultEditors.put(URL.class, new URLEditor());   
    this.defaultEditors.put(UUID.class, new UUIDEditor());   
  
    // 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));   
  
    // Springs CustomBooleanEditor accepts more flag values than the JDKs 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));   
  
    // Only register config value editors if explicitly requested.   
    if (this.configValueEditorsActive) {   
        StringArrayPropertyEditor sae = new StringArrayPropertyEditor();   
        this.defaultEditors.put(String[].class, sae);   
        this.defaultEditors.put(short[].class, sae);   
        this.defaultEditors.put(int[].class, sae);   
        this.defaultEditors.put(long[].class, sae);   
    }   
}  
 /**
  * Actually register the default editors for this registry instance.
  */
 private void createDefaultEditors() {
  this.defaultEditors = new HashMap<Class, PropertyEditor>(64);
  // Simple editors, without parameterization capabilities.
  // The JDK does not contain a default editor for any of these target types.
  this.defaultEditors.put(Charset.class, new CharsetEditor());
  this.defaultEditors.put(Class.class, new ClassEditor());
  this.defaultEditors.put(Class[].class, new ClassArrayEditor());
  this.defaultEditors.put(Currency.class, new CurrencyEditor());
  this.defaultEditors.put(File.class, new FileEditor());
  this.defaultEditors.put(InputStream.class, new InputStreamEditor());
  this.defaultEditors.put(InputSource.class, new InputSourceEditor());
  this.defaultEditors.put(Locale.class, new LocaleEditor());
  this.defaultEditors.put(Pattern.class, new PatternEditor());
  this.defaultEditors.put(Properties.class, new PropertiesEditor());
  this.defaultEditors.put(Resource[].class, new ResourceArrayPropertyEditor());
  this.defaultEditors.put(TimeZone.class, new TimeZoneEditor());
  this.defaultEditors.put(URI.class, new URIEditor());
  this.defaultEditors.put(URL.class, new URLEditor());
  this.defaultEditors

补充：软件开发 , Java ,

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