SpringMVC自定义属性编辑器详解及实例

import java.beans.PropertyEditorSupport; 
import java.io.IOException; 
import java.text.SimpleDateFormat; 
import java.util.Date; 
 
import javax.servlet.http.HttpServletResponse; 
 
import org.springframework.beans.propertyeditors.CustomDateEditor; 
import org.springframework.stereotype.Controller; 
import org.springframework.web.bind.WebDataBinder; 
import org.springframework.web.bind.annotation.InitBinder; 
import org.springframework.web.bind.annotation.PathVariable; 
import org.springframework.web.bind.annotation.RequestMapping; 
 
@Controller 
public class GlobalController { 
 
   
  @RequestMapping("test/{date}") 
  public void test(@PathVariable Date date, HttpServletResponse response) throws IOException 
    response.getWriter().write( date); 
 
  } 
   
  @InitBinder//必须有一个参数WebDataBinder 
  public void initBinder(WebDataBinder binder) { 
    binder.registerCustomEditor(Date.class, new CustomDateEditor(new SimpleDateFormat("yyyy-MM-dd"), false)); 
 
        binder.registerCustomEditor(int.class, new PropertyEditorSupport() { 
 
      @Override 
      public String getAsText() { 
        // TODO Auto-generated method stub 
        return getValue().toString(); 
      } 
 
      @Override 
      public void setAsText(String text) throws IllegalArgumentException { 
        // TODO Auto-generated method stub 
        System.out.println(text + "..........................................."); 
        setValue(Integer.parseInt(text)); 
      } 
       
    }); 
  } 
   
   
} 

package com.xxx.blog.util; 
 
import java.util.Date; 
import java.text.SimpleDateFormat; 
 
import org.springframework.beans.propertyeditors.CustomDateEditor; 
import org.springframework.web.bind.WebDataBinder; 
import org.springframework.web.bind.support.WebBindingInitializer; 
import org.springframework.web.context.request.WebRequest; 
 
public class MyWebBindingInitializer implements WebBindingInitializer { 
 
  @Override 
  public void initBinder(WebDataBinder binder, WebRequest request) { 
    // TODO Auto-generated method stub 
    binder.registerCustomEditor(Date.class, new CustomDateEditor(new SimpleDateFormat("yyyy-MM-dd"), false)); 
  } 
 
} 
 

<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"> 
    <property name="cacheSeconds" value="0"/> 
    <property name="webBindingInitializer"> 
      <bean class="com.xxx.blog.util.MyWebBindingInitializer"/> 
    </property> 
  </bean>