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<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xsi:schemalocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1" metadata-complete="true">   <!-- 修改servlet版本為3.1 -->
  <!-- 配置中央控制器dispatcherservlet -->
  <servlet>     <servlet-name>seckill-dispatcher</servlet-name>     <servlet-class>org.springframework.web.servlet.dispatcherservlet</servlet-class>     <!-- 配置springmvc需要加載的配置文件
      spring-dao.xml，spring-service.xml，spring-web.xml
      mybatis -> spring -> springmvc-->
    <init-param>       <param-name>contextconfiglocation</param-name>       <param-value>classpath:spring/spring-*.xml</param-value>     </init-param>   </servlet>   <servlet-mapping>     <servlet-name>seckill-dispatcher</servlet-name>     <!-- 默認匹配所有的請求 -->
    <url-pattern>/</url-pattern>   </servlet-mapping> </web-app> 

三、controller層開發 

  /**
   * 秒殺詳情頁
   * 
   * @param seckillid
   * @param model
   * @return
   */
  @requestmapping(value = "/{seckillid}/detail", method = requestmethod.get)
  public string detail(@pathvariable("seckillid") long seckillid, model model) {
    if (seckillid == null) {
      return "redirect:/seckill/list";
    }
    seckill seckill = seckillservice.getbyid(seckillid);
    if (seckill == null) {
      return "forward:/seckill/list";
    }
    model.addattribute("seckill", seckill);
    return "detail";
  }

@requestmapping(value = "/{seckillid}/exposer", 
      method = requestmethod.post, 
      produces = {"application/json;charset=utf-8" })
  @responsebody
  public seckillresult exposer(@pathvariable long seckillid) {
    seckillresult result;
    try {
      exposer exposer = seckillservice.exportseckillurl(seckillid);
      result = new seckillresult(true, exposer);
    } catch (exception e) {
      logger.error(e.getmessage(), e);
      result = new seckillresult(false, e.getmessage());
    }

    return result;
  }

$.post(seckill.url.exposer(seckillid),{},function(result){
      //在回調函數中，執行交互流程
      if(result && result['success']){
        var exposer = result['data'];
        if(exposer['exposed']){
          //開啟秒殺
          //獲取秒殺地址
          var md5 = exposer['md5'];          
          //綁定一次點擊事件，防止連續點擊
          var killurl = seckill.url.execution(seckillid,md5);
          console.log("秒殺地址："+killurl);
});         

@requestmapping(value = “/{seckillid}/exposer” 
public seckillresult exposer(@pathvariable long seckillid) 

@requestmapping(method = requestmethod.post, 

return “redirect:/seckill/list”;（發送兩次請求，瀏覽器地址改變） 
return “forward:/seckill/list”;（發送一次請求，瀏覽器地址不變） 

model.addattribute(“seckill”, seckill); 

@requestmapping(value = “/{seckillid}/exposer”, 
method = requestmethod.post, 
produces = {“application/json;charset=utf-8” }) 
@responsebody 

@requestmapping(value = "/{seckillid}/{md5}/execution",
      method = requestmethod.post,
      produces = {"application/json;charset=utf-8"})
  @responsebody
  public seckillresult execute(@pathvariable("seckillid") long seckillid,
                          @pathvariable("md5") string md5,
                          @cookievalue(value = "killphone", required = false) long phone) {...}