Tomcat8 配置 c/c++ 的cgi

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最近学习配置cgi，网上找了配置教程，经实践无法正确运行，总是提示 HTTP Status 500 - Cannot run program "cmd /c" 错误

最后找到了解决方案，结果如下：

首先保证http://localhost:8080/能够打开。

进入Tomcat的目录，打开conf 文件夹，修改web.xml文件。去掉默认的cgi <servlet>注释，并修改如下：

<servlet>        <servlet-name>cgi</servlet-name>        <servlet-class>org.apache.catalina.servlets.CGIServlet</servlet-class>        <init-param>          <param-name>debug</param-name>          <param-value>0</param-value>        </init-param>        <init-param>          <param-name>cgiPathPrefix</param-name>          <param-value>WEB-INF/cgi</param-value>        </init-param><init-param>        <param-name>executable</param-name>       <param-value></param-value>   <!-- 这里当cgi为c/c++编写时，必须配置为空，否则会出错。很多教程里面写的是 cmd /c  经过测试会出错 -->    </init-param><init-param>          <param-name>clientInputTimeout</param-name>          <param-value>100</param-value>        </init-param>         <load-on-startup>5</load-on-startup></servlet>

继续往下找到cgi的<servlet-mapping>，去掉注释，如下

<servlet-mapping>        <servlet-name>cgi</servlet-name>        <url-pattern>/cgi-bin/*</url-pattern></servlet-mapping>

修改context.xml文件，如下：

<?xml version='1.0' encoding='utf-8'?><!--  Licensed to the Apache Software Foundation (ASF) under one or more  contributor license agreements.  See the NOTICE file distributed with  this work for additional information regarding copyright ownership.  The ASF licenses this file to You under the Apache License, Version 2.0  (the "License"); you may not use this file except in compliance with  the License.  You may obtain a copy of the License at      http://www.apache.org/licenses/LICENSE-2.0  Unless required by applicable law or agreed to in writing, software  distributed under the License is distributed on an "AS IS" BASIS,  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and  limitations under the License.--><!-- The contents of this file will be loaded for each web application --><Context privileged="true"><!-- 修改的就是这里哦！ -->    <!-- Default set of monitored resources. If one of these changes, the    -->    <!-- web application will be reloaded.                                   -->    <WatchedResource>WEB-INF/web.xml</WatchedResource>    <WatchedResource>${catalina.base}/conf/web.xml</WatchedResource>    <!-- Uncomment this to disable session persistence across Tomcat restarts -->    <!--    <Manager pathname="" />    -->    <!-- Uncomment this to enable Comet connection tacking (provides events         on session expiration as well as webapp lifecycle) -->    <!--    <Valve className="org.apache.catalina.valves.CometConnectionManagerValve" />    --></Context>

在tomcat的\webapps\ROOT\WEB-INF\文件夹下新建一个文件夹cgi，将cig文件放在里面，比如吧hello.cgi文件放在\webapps\ROOT\WEB-INF\cgi文件夹下。注：hello.cgi文件就是c/c++编写的可执行文件hello.exe改名而来
通过http://localhost:8080/cgi-bin/hello.cgi就可以访问cgi文件了。注：没有WEB_INF目录的哦= =

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