2016-04-08

在springMVC中实现拦截器有两种方式
1、实现HandlerInterceptor接口

2、继承HandlerInterceptorAdaptor类

一共有三个方法。
1、preHandle方法-----------Controller方法前
2、postHandle方法----------Controller方法后
3、afterCompletion方法-----DispatcherServlet完全处理完请求后被调用,往往执行一些资源清理动作。 



SpringMVC同样使用了apache的文件上传组件。所以需要引入以下包:
apache-commons-fileupload.jar
apache-commons-io.jar

with_progress({ + # 初始化进度条 + p <- progressor(along = 1:2) + + # 执行100次置换 + placebo_dist <- manual_placebo(data, n_permute = 2) + }) One outcome and one treatment time found. Running single_augsynth. One outcome and one treatment time found. Running single_augsynth. Warning message: In handle_progression(condition, debug = debug) : Received a progression ‘update’ request (amount=1; msg=‘character(0)’) but is not listening to this progressor. This can happen when code signals more progress updates than it configured the progressor to do. When the progressor completes all steps, it shuts down resulting in the global progression handler to no longer listen to it. To troubleshoot this, try with progressr::handlers("debug") > # 清理内存碎片 > gc() used (Mb) gc trigger (Mb) max used (Mb) Ncells 2983096 159.4 5026872 268.5 5026872 268.5 Vcells 10326783 78.8 36845423 281.2 112127404 855.5 > # 5. 结果查看 ------------------------------------------------------------------ > # 查看前10次置换结果 > print(head(placebo_dist, 10)) Time Estimate lower_bound upper_bound p_val permutation pseudo_unit 2016-04-01...1 2016-04-01 -0.18368508 NA NA NA 1 1 2016-04-02...2 2016-04-02 -0.31366935 NA NA NA 1 1 2016-04-03...3 2016-04-03 -0.49916072 NA NA NA 1 1 2016-04-04...4 2016-04-04 0.30554081 NA NA NA 1 1 2016-04-05...5 2016-04-05 -0.33573735 NA NA NA 1 1 2016-04-06...6 2016-04-06 0.07909620 NA NA NA 1 1 2016-04-07...7 2016-04-07 -0.21757939 NA NA NA 1 1 2016-04-08...8 2016-04-08 -0.45763920 NA NA NA 1 1 2016-04-09...9 2016-04-09 0.07273611 NA NA NA 1 1 2016-04-10...10 2016-04-10 0.17557989 NA NA NA 1 1 >
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03-25
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