String ageStr = request.getParameter("age");
Integer age = Integer.parseInt(ageStr);

@RequestMapping("xxx")
public String handle(Integer age) {
	System.out.println(age);
}

/**
*
* SpringMVC 對原?servlet api的?持 url：/demo/handle02?id=1
*
* 如果要在SpringMVC中使?servlet原?對象，?如
HttpServletRequest\HttpServletResponse\HttpSession，直接在Handler?法形參中聲
明使?即可
*
*/
@RequestMapping("/handle02")
public ModelAndView handle02(HttpServletRequest request,HttpServletResponse response,HttpSession session) {
    String id = request.getParameter("id");
    Date date = new Date();
    ModelAndView modelAndView = new ModelAndView();
    modelAndView.addObject("date",date);
    modelAndView.setViewName("success");
    return modelAndView;
}

    /*
    * SpringMVC 接收簡單數(shù)據(jù)類型參數(shù) url：/demo/handle03?id=1
    *
    * 注意：接收簡單數(shù)據(jù)類型參數(shù)，直接在handler?法的形參中聲明即可，框架會取出參數(shù)值
    然后綁定到對應參數(shù)上
    * 要求：傳遞的參數(shù)名和聲明的形參名稱保持?致
    */
    @RequestMapping("/handle03")
    public ModelAndView handle03(@RequestParam("ids") Integer id,Boolean flag) {
        Date date = new Date();
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.addObject("date",date);
        modelAndView.setViewName("success");
        return modelAndView;
    }

    /*
    * SpringMVC接收pojo類型參數(shù) url：/demo/handle04?id=1&username=zhangsan
    *
    * 接收pojo類型參數(shù)，直接形參聲明即可，類型就是Pojo的類型，形參名?所謂
    * 但是要求傳遞的參數(shù)名必須和Pojo的屬性名保持?致
    */
    @RequestMapping("/handle04")
    public ModelAndView handle04(User user) {
        Date date = new Date();
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.addObject("date",date);
        modelAndView.setViewName("success");
        return modelAndView;
    }

public class QueryVo {
    private String mail;
    private String phone;
    // 嵌套了另外的Pojo對象
    private User user;
    public String getMail() {
    	return mail;
    }
    public void setMail(String mail) {
    	this.mail = mail;
    }
    public String getPhone() {
    	return phone;
    }
    public void setPhone(String phone) {
    	this.phone = phone;
    }
    public User getUser() {
    	return user;
    }
    public void setUser(User user) {
    	this.user = user;
    }
}

    /*
    * SpringMVC接收pojo包裝類型參數(shù) url：/demo/handle05?
    user.id=1&user.username=zhangsan
    * 不管包裝Pojo與否，它?先是?個pojo，那么就可以按照上述pojo的要求來
    * 1、綁定時候直接形參聲明即可
    * 2、傳參參數(shù)名和pojo屬性保持?致，如果不能夠定位數(shù)據(jù)項，那么通過屬性名 + "." 的
    ?式進?步鎖定數(shù)據(jù)
    *
    */
    @RequestMapping("/handle05")
    public ModelAndView handle05(QueryVo queryVo) {
        Date date = new Date();
        ModelAndView modelAndView = new ModelAndView();
        modelAndView.addObject("date",date);
        modelAndView.setViewName("success");
        return modelAndView;
    }

    /**
    * 綁定?期類型參數(shù)
    * 定義?個SpringMVC的類型轉換器 接?，擴展實現(xiàn)接?接?，注冊你的實現(xiàn)
    * @param birthday
    * @return
    */
    @RequestMapping("/handle06")
    public ModelAndView handle06(Date birthday) {
        Date date = new Date();ModelAndView modelAndView = new
        ModelAndView();
        modelAndView.addObject("date",date);
        modelAndView.setViewName("success");
        return modelAndView;
    }

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* @author 應癲
* ?定義類型轉換器
* S：source，源類型
* T：target：?標類型
*/
public class DateConverter implements Converter<String, Date> {
@Override
public Date convert(String source) {
    // 完成字符串向?期的轉換
    SimpleDateFormat simpleDateFormat = new
    SimpleDateFormat("yyyy-MM-dd");
    try {
    Date parse = simpleDateFormat.parse(source);
    return parse;
    } catch (ParseException e) {
    e.printStackTrace();
    }
    return null;
    }
}

<!--
?動注冊最合適的處理器映射器，處理器適配器(調?handler?法)
-->
<mvc:annotation-driven conversionservice="conversionServiceBean"/>
<!--注冊?定義類型轉換器-->
<bean id="conversionServiceBean"
  class="org.springframework.format.support.FormattingConversionServiceF
  actoryBean">
  <property name="converters">
    <set>
      <bean class="com.zjq.converter.DateConverter">
      </bean>
    </set>
  </property>
</bean>

@Controller
@RequestMapping("/example")
public class ExampleController {
    @RequestMapping("/process/{id}")
    public String processRequest(@PathVariable("id") Long id) {
        // 使用路徑變量 id 進行處理
    }
}