serverlet_jsp serverlet_servlet工作原理面试题

解决jsp或serverlet 不能解析multipart/form-data 类型的表单域的问题

10 6月 2008

Situation:

javax.servlet.HttpServletRequest.getParameter(String) returns null when the ContentType is multipart/form-data

Solutions:

Solution A:

1. download

2. invoke getParameters() on com.oreilly.servlet.MultipartRequest

Solution B:

1. download

2. invoke readHeaders() in

org.apache.commons.fileupload.MultipartStream

Solution C:

1. download

2. invoke getParameter on

com.bigfoot.bugar.servlet.http.MultipartFormData

Solution D:

Use Struts. Struts 1.1 handles this automatically.

Solution E:

use jspSmartUpload compounds

:smart_upload

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