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有时候,我们需要的一个简单的不能再简单的web应用,通常我这时候会用jetty
来实现一个嵌入式的web容器,写一个bat,鼠标点一下就能跑起来。
目录结构:
引用
---App
---www
---WEB-INF
---web.xml
---index.gsp
---index.groovy
---logs
---lib
---commons-logging.jar
---groovy
-all-1.5.7.jar
---jasper.jar
---javax.servlet.jar
---jetty
5.1.8-z4.jar
web.xml:
web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_3.dtd">
<web-app>
<display-name>groovy</display-name>
<description>groovy</description>
<servlet>
<servlet-name>GSP</servlet-name>
<servlet-class>groovy.servlet.TemplateServlet</servlet-class>
<init-param>
<param-name>encoding</param-name>
<param-value>utf-8</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>0</param-value>
</init-param>
</servlet>
<servlet>
<servlet-name>Groovy</servlet-name>
<servlet-class>groovy.servlet.GroovyServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Groovy</servlet-name>
<url-pattern>*.groovy</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>GSP</servlet-name>
<url-pattern>*.gsp</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.gsp</welcome-file>
</welcome-file-list>
</web-app>
app.groovy
(启动脚本):
import org.mortbay.http.HttpContext;
import org.mortbay.http.HttpListener;
import org.mortbay.http.NCSARequestLog;
import org.mortbay.http.SocketListener;
import org.mortbay.http.SslListener;
import org.mortbay.http.handler.MsieSslHandler;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.servlet.WebApplicationContext;
//应用定义
def port = 8089
def approot = ["/":"www"]//虚拟目录,支持多个["/":"www","/demo":"demo"]
SocketListener listener = new SocketListener();
listener.setPort(port);
listener.setMinThreads(5);
listener.setMaxThreads(100);
listener.setMaxIdleTimeMs(30000);
listener.setLowResourcePersistTimeMs(2000);
listener.setAcceptQueueSize(0);
Server server = new Server();
server.addListener(listener);
server.setRequestsPerGC(2000);
server.setStatsOn(false);
approot.each(){key,value ->
server.addWebApplication(key, value);
}
server.start();
index.groovy
(例子):
Java代码
request.setAttribute("user","1111")
context.getRequestDispatcher("/index.gsp?iuser=admin").forward(request,response)
index.gsp(例子):
Java代码
<%
println params.iuser
println request.getAttribute("user")
println request.remoteHost
println headers.host
%>
windows下的bat:
run.bat:
Java代码
java -classpath lib/groovy
-all-1.5.7.jar;lib/javax.servlet.jar;lib/jetty
5.1.8-z4.jar;lib/commons-logging.jar;lib/jasper.jar groovy
.ui.Groovy
Main app.groovy
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