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Patryk Czarnik
java_dzienna_15_09
Commits
7a29afb8
Commit
7a29afb8
authored
Sep 27, 2022
by
Patryk Czarnik
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Hello world w serwlecie
parent
68edaf9d
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Hello.java
PC25-Serwlety/src/main/java/hello/Hello.java
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PC25-Serwlety/src/main/java/hello/Hello.java
View file @
7a29afb8
package
hello
;
package
hello
;
import
java.io.IOException
;
import
java.io.IOException
;
import
java.io.PrintWriter
;
import
java.time.LocalTime
;
import
javax.servlet.ServletException
;
import
javax.servlet.ServletException
;
import
javax.servlet.annotation.WebServlet
;
import
javax.servlet.annotation.WebServlet
;
import
javax.servlet.http.HttpServlet
;
import
javax.servlet.http.HttpServlet
;
import
javax.servlet.http.HttpServletRequest
;
import
javax.servlet.http.HttpServletRequest
;
import
javax.servlet.http.HttpServletResponse
;
import
javax.servlet.http.HttpServletResponse
;
/**
* Servlet implementation class Hello
*/
@WebServlet
(
"/Hello"
)
@WebServlet
(
"/Hello"
)
public
class
Hello
extends
HttpServlet
{
public
class
Hello
extends
HttpServlet
{
private
static
final
long
serialVersionUID
=
1L
;
private
static
final
long
serialVersionUID
=
1L
;
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected
void
doGet
(
HttpServletRequest
request
,
HttpServletResponse
response
)
throws
ServletException
,
IOException
{
protected
void
doGet
(
HttpServletRequest
request
,
HttpServletResponse
response
)
throws
ServletException
,
IOException
{
// TODO Auto-generated method stub
/* Serwer (np. WildFly, Tomcat ...) wywołuje naszą metodę doGet gdy na serwer przyjdzie zapytanie pod określony adres.
response
.
getWriter
().
append
(
"Served at: "
).
append
(
request
.
getContextPath
());
* Serwer przekazuje nam dwa parametry:
* request - zgromadzone informacje o zapytaniu
* response - obiekt, za pomocą którego mamy utworzyć odpowiedź.
*
* Gdy chcemy wysłać odp. tekstową, to postępujemy tak:
*/
// response.setContentType("text/html");
response
.
setContentType
(
"text/plain"
);
response
.
setCharacterEncoding
(
"UTF-8"
);
PrintWriter
out
=
response
.
getWriter
();
out
.
println
(
"Hello world!"
);
out
.
println
(
"Teraz jest godzina "
+
LocalTime
.
now
());
out
.
println
(
"<strong style='color:red'>Próba zażądania formatowania HTML</strong>"
);
}
}
}
}
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