然后用apache实现文件上载功能-创新互联

在apache官网的commons里面有实现库
Commons FileUpload

The Commons FileUpload package makes it easy to add       robust, high-performance, file upload capability to your servlets and       web applications.

FileUpload parses HTTP requests which conform to       RFC 1867,       "Form-based File Upload in HTML". That is, if an HTTP request is       submitted using the POST method, and with a content type of       "multipart/form-data", then FileUpload can parse that request, and       make the results available in a manner easily used by the caller.

Starting with version 1.3, FileUpload handles       RFC 2047 encoded header values.

The simplest way to send a multipart/form-data request to a server is via a web form, i.e.

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