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C、Shell、Perl基於Tomcat開發CGI程式環境配置

基於Tomcat7.0版本配置CGI開發環境,步聚如下:

以我的Tomcat7安裝目錄為例:TOMCA_HOME = /Users/yangxin/Documents/devToos/java/apache-tomcat-7.0.39

1、開啟TOMCA_HOME/conf/web.xml

將CGI的Serlvet配置與URL對映註釋開啟

<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>executable</param-name>
            <param-value></param-value>
        </init-param>
        <init-param>
          <param-name>cgiPathPrefix</param-name>
          <param-value>WEB-INF/cgi</param-value>
      </init-param>
         <load-on-startup>5</load-on-startup>
    </servlet>
<!-- The mapping for the CGI Gateway servlet -->

    <servlet-mapping>
        <servlet-name>cgi</servlet-name>
        <url-pattern>/cgi-bin/*</url-pattern>
    </servlet-mapping>
CGI Servlet初始化引數說明:

1> cgiPathPrefix:設定cgi程式在應用中的訪問位置,預設訪問位置為:應用名稱/WEB-INF/cgi

2> executable:CGI程式解析器,預設為perl,如果為空,可以是任何安裝在作業系統環境變數的指令碼解析器,或是C/C++程式

3> parameterEncoding:訪問CGI Servlet的預設引數編碼,預設為utf-8

4> passShellEnvironment:是否開啟shell環境變數,預設為false

5> stderrTimeout:讀取標準錯誤資訊超時時長,預設為2000毫秒


2、開啟TOMCAT_HOME/conf/context.xml

在context節點上新增一個屬性privileged=true

<Context privileged="true">

    <!-- Default set of monitored resources -->
    <WatchedResource>WEB-INF/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>

3、建立CGI測試程式

在TOMCAT_HOME/webapps目錄下建立建一個應用,如:cgitest,在cgitest應用下建立一個WEB-INF目錄,在WEB-INF目錄下建立一個cgi目錄和一個web.xml檔案,然後在cgi目錄新增一個CGI測試指令碼程式hello.sh和a.c並編譯成a.cgi,並修改訪問許可權。隨後啟動tomcat,訪問http://localhost:8080/cgitest/cgi-bin/hello.sh就可以訪問自己寫的CGI程式了

建立好的應用目錄結構如下所示:


web.xml:

<?xml version="1.0" encoding="ISO-8859-1"?>

<web-app xmlns="http://java.sun.com/xml/ns/javaee"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
                      http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
  version="3.0"
  metadata-complete="true">

  <display-name>Welcome to Tomcat</display-name>
  <description>
     Welcome to Tomcat
  </description>

</web-app>
hello.sh:
#!/bin/sh
echo "Content-type:text/html\n\n"
echo "hello world"
a.c
#include <stdlib.h>
#include <stdio.h>

int main(int argc, const char** args)
{
    printf("Content-type:text/html\n\n");
    printf("i is cgi programe");
    return 0;
}

測試結果: