使用HTTP multipart进行文件上传数据包举例

POST /load/servlet/upload.do HTTP/1.1
accept:text/*
content-type:multipart/form-data; boundary=----------Ef1KM7GI3Ef1ei4Ij5ae0KM7cH2KM7
user-agent:Shockwave Flash
host:192.168.1.237:8080
content-length:555
connection:Keep-Alive
cache-control:no-cache
cookie:theworld_client_delete=theworld_client_delete

 

------------Ef1KM7GI3Ef1ei4Ij5ae0KM7cH2KM7
Content-Disposition: form-data; name="Filename"

 

鑺傜洰娓呭崟.txt
------------Ef1KM7GI3Ef1ei4Ij5ae0KM7cH2KM7
Content-Disposition: form-data; name="Filedata"; filename="鑺傜洰娓呭崟.txt"
Content-Type: application/octet-stream

 

锘�2009-11-06
05:30-05:59 1 鍔ㄧ敾涓栫晫
06:00-06:29 1 浣撹偛鏂伴椈
06:30-06:59 1 浜轰笌鑷劧
07:00-07:30 1 鏂伴椈鑱旀挱
------------Ef1KM7GI3Ef1ei4Ij5ae0KM7cH2KM7
Content-Disposition: form-data; name="Upload"

 

Submit Query
------------Ef1KM7GI3Ef1ei4Ij5ae0KM7cH2KM7--

 

说明：

1。multipart消息体各段均使用"\r\n"+"--"+boundary开始

2。multipart的http包体结束时，必须是"\r\n"+"--"+boundary+"--";

某些HTTP服务器要求是"\r\n"+"--"+boundary+"--\r\n"

像apache的HttpClient上传的文件，multipart的http包体结束时就是"\r\n"+"--"+boundary+"--\r\n"，

但flex组件上传文件的http包体结束时就不含有"\r\n"

3.content-length说明了http包体的大小