getServletContext().getRealPath

getServletContext().getRealPath方法用于获取当前应用在服务器上物理路径。该方法可以返回一个字符串，包含给定虚拟路径的真实路径。例如，通过传入"/"作为参数，可以获取到当前应用的WebRoot的物理路径。这个路径的格式会根据servlet容器所在的计算机或操作系统而有所不同，但会包含适当的路径分隔符。如果无法转换虚拟路径，则该方法会返回null。使用这个方法可以方便地获取当前应用的物理路径，以便进行文件操作等操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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