获取系统当前时间，Time过时
用Time获取系统当前时间时会出现警告：The type Time is deprecated，The method setToNow() from the type Time is deprecated，The method format2445() from the type Time is deprecated；解决方案之一就是使用java.util.Gregor
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httpClient上传文件post方法
Using the POST MethodListing 9-2 shows an example where you enclose an Extensible Markup Language (XML) file within a request and send it using the POST method to a JSP named GetRequest.jsp. The JSP...
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