1
2
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HttpServletRequest request = (HttpServletRequest) req;
ServletInputStream is = req.getInputStream();
int
length=req.getContentLength();
byte
[] ba =
new
byte
[length];
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以上代码在doFilter中读取了post请求的内容,以后发现servlet已经没法读取该内容,由于ServletInputStream不支持mark,无法回头
post