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向servlet发送xml的一个例子

2010-06-06 17:55 357 查看
简单写了一个，只是验证一下数据流互相传送，具体功能可以自己加

test.java 客户端：读取1.xml文件发送给
DataServer（servlet）,读取servlet返回的内容

DataServer.java 服务器servlet:读取test
发送的xml内容，把内容再返回给客户端

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/**

* Created
by IntelliJ IDEA.

* User: dev

* Date: 2004-3-9

* Time:
12:43:44

* 客户端，发送xml

*/

import
java
.
io
.
*
;

import
java
.
net
.
*
;

public
class
test{

public
static
void
main(
String
[
]
args)
throws
Exception
{

/*初始化*/

java
.
net
.
URL
url
=
new
java
.
net
.
URL
(
"http://localhost:8080/servlet/DataServer"
)
;

java
.
net
.
URLConnection
con =
url
.
openConnection
(
)
;

con.
setUseCaches
(
false)
;

con.
setDoOutput
(
true)
;

con.
setDoInput
(
true)
;

/*缓存*
/

BufferedReader
fin =
new
BufferedReader
(
new
FileReader
(
"E://1.xml"
)
)
;

StringBuffer
stringbuffer
=
new
StringBuffer
(
)
;

char
ac[
]
=
new
char
[
8192]
;

int
i;

while
(
(
i =
fin.
read
(
ac)
)
>
0)

stringbuffer
.
append
(
ac,
0,
i)
;

fin.
close
(
)
;

/*发送*
/

DataOutputStream
dataOut =
new
DataOutputStream
(
con.
getOutputStream
(
)
)
;

dataOut.
writeUTF
(
stringbuffer
.
toString
(
)
)
;

dataOut.
flush
(
)
;

dataOut.
close
(
)
;

/*获取服务器端返回信息*/

DataInputStream
in
=
new
DataInputStream
(
con.
getInputStream
(
)
)
;

String
stringValue =
in
.
readUTF
(
)
;

in
.
close
(
)
;

System
.
out.
println
(
stringValue)
;

}

}


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/**

* Created by IntelliJ IDEA.

* User: dev

* Date: 2004-3-9

* Time: 12:44:41

*
服务器servlet,客户端数据，返回信息

*/

import
javax
.
servlet.
ServletException;

import
javax
.
servlet.
http.
HttpServlet;

import
javax
.
servlet.
http.
HttpServletRequest;

import
javax
.
servlet.
http.
HttpServletResponse;

import
java
.
io
.
ByteArrayOutputStream
;

import
java
.
io
.
DataInputStream
;

import
java
.
io
.
DataOutputStream
;

import
java
.
io
.
IOException
;

public
class
DataServer extends
HttpServlet {

public
void
service(
HttpServletRequest
req,
HttpServletResponse
resp)
throws
ServletException,
IOException
{

/*读取数据*/

DataInputStream
in
=
new
DataInputStream
(
req.
getInputStream
(
)
)
;

String
stringValue =
in
.
readUTF
(
)
;

/*返回数据*/

DataOutputStream
dataOut =
new
DataOutputStream
(
resp.
getOutputStream
(
)
)
;

dataOut.
writeUTF
(
stringValue)
;

dataOut.
flush
(
)
;

dataOut.
close
(
)
;

}

}
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