一个简单的java web项目 基于servlet构建

				#!/bin/sh
				# -----------------------------------------------------------------------------
				# Wrapper script for command line tools
				#
				# Environment Variable Prequisites
				#
				#   CATALINA_HOME May point at your Catalina "build" directory.
				#
				#   TOOL_OPTS     (Optional) Java runtime options used when the "start",
				#                 "stop", or "run" command is executed.
				#
				#   JAVA_HOME     Must point at your Java Development Kit installation.
				#
				#   JAVA_OPTS     (Optional) Java runtime options used when the "start",
				#                 "stop", or "run" command is executed.
				#
				# $Id: tool-wrapper.sh,v 1.1 2008/08/12 08:32:42 slc Exp $
				# -----------------------------------------------------------------------------
				
				# OS specific support.  $var _must_ be set to either true or false.
				cygwin=false
				case "`uname`" in
				CYGWIN*) cygwin=true;;
				esac
				
				# resolve links - $0 may be a softlink
				PRG="$0"
				
				while [ -h "$PRG" ]; do
				  ls=`ls -ld "$PRG"`
				  link=`expr "$ls" : '.*-> \(.*\)$'`
				  if expr "$link" : '/.*' > /dev/null; then
				    PRG="$link"
				  else
				    PRG=`dirname "$PRG"`/"$link"
				  fi
				done
				
				# Get standard environment variables
				PRGDIR=`dirname "$PRG"`
				CATALINA_HOME=`cd "$PRGDIR/.." ; pwd`
				if [ -r "$CATALINA_HOME"/bin/setenv.sh ]; then
				  . "$CATALINA_HOME"/bin/setenv.sh
				fi
				
				# For Cygwin, ensure paths are in UNIX format before anything is touched
				if $cygwin; then
				  [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
				  [ -n "$CATALINA_HOME" ] && CATALINA_HOME=`cygpath --unix "$CATALINA_HOME"`
				  [ -n "$CLASSPATH" ] && CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
				fi
				
				# Get standard Java environment variables
				if [ -r "$CATALINA_HOME"/bin/setclasspath.sh ]; then
				  BASEDIR="$CATALINA_HOME"
				  . "$CATALINA_HOME"/bin/setclasspath.sh
				else
				  echo "Cannot find $CATALINA_HOME/bin/setclasspath.sh"
				  echo "This file is needed to run this program"
				  exit 1
				fi
				
				# Add on extra jar files to CLASSPATH
				CLASSPATH="$CLASSPATH":"$CATALINA_HOME"/bin/bootstrap.jar:"$BASEDIR"/common/lib/jmx.jar:"$BASEDIR"/common/lib/servlet-api.jar
				
				# For Cygwin, switch paths to Windows format before running java
				if $cygwin; then
				  JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
				  CATALINA_HOME=`cygpath --path --windows "$CATALINA_HOME"`
				  CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
				fi
				
				# ----- Execute The Requested Command -----------------------------------------
				
				exec "$_RUNJAVA" $JAVA_OPTS $TOOL_OPTS \
				  -Djava.endorsed.dirs="$JAVA_ENDORSED_DIRS" -classpath "$CLASSPATH" \
				  -Dcatalina.home="$CATALINA_HOME" \
				  org.apache.catalina.startup.Tool "$@"