SpringMVC中利用@InitBinder来对页面数据进行解析绑定的方法

public class BaseController {

  @InitBinder
  protected void initBinder(WebDataBinder binder) {
    binder.registerCustomEditor(Date.class, new MyDateEditor());
    binder.registerCustomEditor(Double.class, new DoubleEditor()); 
    binder.registerCustomEditor(Integer.class, new IntegerEditor());
  }

  private class MyDateEditor extends PropertyEditorSupport {
    @Override
    public void setAsText(String text) throws IllegalArgumentException {
      SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
      Date date = null;
      try {
        date = format.parse(text);
      } catch (ParseException e) {
        format = new SimpleDateFormat("yyyy-MM-dd");
        try {
          date = format.parse(text);
        } catch (ParseException e1) {
        }
      }
      setValue(date);
    }
  }
  
  public class DoubleEditor extends PropertiesEditor {  
    @Override  
    public void setAsText(String text) throws IllegalArgumentException {  
      if (text == null || text.equals("")) {  
        text = "0";  
      }  
      setValue(Double.parseDouble(text));  
    }  
    
    @Override  
    public String getAsText() {  
      return getValue().toString();  
    }  
  } 
  
  public class IntegerEditor extends PropertiesEditor {  
    @Override  
    public void setAsText(String text) throws IllegalArgumentException {  
      if (text == null || text.equals("")) {  
        text = "0";  
      }  
      setValue(Integer.parseInt(text));  
    }  
    
    @Override  
    public String getAsText() {  
      return getValue().toString();  
    }  
  } 
}