Servlet 文件上传 ： 解析request的InputStream流

读取request.getInputStream流内容

一行行的读取：

打印后期内容格式如下

-----------------------------7da1962f50206
Content-Disposition: form-data; name="info"

-----------------------------7da1962f50206
Content-Disposition: form-data; name="model.username"

瀵规柟
-----------------------------7da1962f50206
Content-Disposition: form-data; name="model.password"

df
-----------------------------7da1962f50206
Content-Disposition: form-data; name="model.age"

34
-----------------------------7da1962f50206
Content-Disposition: form-data; name="model.birthday"

2010-12-15
-----------------------------7da1962f50206
Content-Disposition: form-data; name="model.photo.file"; filename="01300000258678125336696890228.jpg"
Content-Type: image/pjpeg

??
L鷍BQy}T典D?鸅訉t
敋姦篚c經贚,▁yc";f蓀?$8
-----------------------------7da1962f50206
Content-Disposition: form-data; name="model.describe"

瀵瑰瀵瑰鏂圭瓟澶?
-----------------------------7da1962f50206--

其中-----------------------------7da1962f50206是一个分割符

获 取方式

this.boundary = request.getContentType().replaceAll(".+boundary=", "--");

其中

 request.getContentType()

multipart/form-data; boundary=---------------------------7da8c2d50206

将 multipart/form-data; boundary=--------------------------- 替换成 -- 即可