<!-- tomcat7插件 maven 命令 tomcat7:run 啟動項目-->
			<plugin>
				<groupId>org.apache.tomcat.maven</groupId>
				<artifactId>tomcat7-maven-plugin</artifactId>
				<version>2.1</version>
				<configuration>
					<port>8080</port>
					<path>/</path>
					<uriEncoding>UTF-8</uriEncoding>
					<server>tomcat7</server>
				</configuration>
			</plugin>

		<!--servlet 依賴-->

		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<version>2.5</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>javax.servlet.jsp</groupId>
			<artifactId>jsp-api</artifactId>
			<version>2.1</version>
			<scope>provided</scope>
		</dependency>