[精选] PHP程序运行Python脚本，怎么样接收数据及传参
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<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">介绍一下，<span style="color: black;">怎样</span>在php程序中运行Python脚本，</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">在php中python程序的运行，<span style="color: black;">重点</span>依靠 程序执行函数，</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">这儿</span>说一下三个<span style="color: black;">关联</span>函数：exec()，system() 和 passthru()。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">这儿</span><span style="color: black;">重点</span>讲 exec() 函数，介绍<span style="color: black;">运用</span>该函数传递参数，</p>以及<span style="color: black;">怎样</span><span style="color: black;">运用</span>python返回josn数据供php<span style="color: black;">运用</span>。<h3 style="color: black; text-align: left; margin-bottom: 10px;"><span style="color: black;"><span style="color: black;">1、</span>exec() — 执行一个<span style="color: black;">外边</span>程序</span></h3><span style="color: black;"><span style="color: black;">exec</span> ( string $command [, array &$output [, <span style="color: black;">int</span>&$return_var ]] ) : string</span><span style="color: black;">参数说明</span>：command：要执行的命令，其中<span style="color: black;">包含</span>三个子串，<span style="color: black;">第1</span>个子串为<span style="color: black;">运用</span>的当前系统的解释器，第二个子串为所要执行脚本的位置，第三个子串为所需传入的参数不限个数，中间用空格分隔，<span style="color: black;">重视</span>格式。子串间<span style="color: black;">运用</span>空格分割。output：<span style="color: black;">倘若</span><span style="color: black;">供给</span>了 output 参数，<span style="color: black;">那样</span>会用命令执行的输出填充此数组，每行输出填充数组中的一个元素。（说明：output 中存放的并非python中return的值，并且所有return的值都不会进行<span style="color: black;">保留</span>，output 中存放的是python脚本中输出的值，即为 print() 函数所输出的所有数据）return_var：<span style="color: black;">倘若</span><span style="color: black;">同期</span><span style="color: black;">供给</span> output 和 return_var 参数，命令执行后的返回状态会被写入到此变量。<span style="color: black;">1、直接运行</span>index.php<span style="color: black;"><?php</span><span style="color: black;"><span style="color: black;">$re</span> = <span style="color: black;">exec</span>(<span style="color: black;">python ceshi.py</span>, <span style="color: black;">$out</span>);</span><span style="color: black;">// <span style="color: black;">$re</span> = iconv(<span style="color: black;">gbk</span>, <span style="color: black;">utf-8</span>, <span style="color: black;">$re</span>);</span><span style="color: black;">var_dump(<span style="color: black;">$out</span>);</span><span style="color: black;"><span style="color: black;">echo</span> <span style="color: black;"><br/></span>;</span><span style="color: black;">var_dump(<span style="color: black;">$re</span>);</span>ceshi.py<span style="color: black;"><span style="color: black;"><span style="color: black;">def</span> <span style="color: black;">send</span><span style="color: black;">()</span>:</span></span><span style="color: black;"> data = <span style="color: black;">1,2,3,4,5</span></span><span style="color: black;"> print(data)</span><span style="color: black;"><span style="color: black;">if</span> __name__ == <span style="color: black;">__main__</span>:</span><span style="color: black;"> send()</span><span style="color: black;">（重要说明：<span style="color: black;">倘若</span>Python脚本返回的数据中含有中文，需要<span style="color: black;">运用</span> iconv(gbk, utf-8, $re); 进行转义）</span><img src="https://mmbiz.qpic.cn/mmbiz_png/mpTpNCHRicia8b3RlnPxEWEFGsXVZl4a05ME8OvuAtvCk16RLwqgWVFsKR4D4zEAFGHQVAPE1RVz0NUic2PU7o9iag/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;"><span style="color: black;">2、传参，接收返回数据</span>inde.php<span style="color: black;"><span style="color: black;">$canshu1</span> = <span style="color: black;">这是PHP传过来的参数</span>;</span><span style="color: black;"><span style="color: black;">$canshu2</span> = date(<span style="color: black;">Y-m-d</span>);</span><span style="color: black;"><span style="color: black;">$re</span> = <span style="color: black;">exec</span>(<span style="color: black;">"python ceshi.py <span style="color: black;">$canshu1</span> <span style="color: black;">$canshu2</span>"</span>);</span><span style="color: black;"><span style="color: black;">$re</span> = iconv(<span style="color: black;">gbk</span>, <span style="color: black;">utf-8</span>, <span style="color: black;">$re</span>);</span><span style="color: black;">var_dump(<span style="color: black;">$re</span>);</span><span style="color: black;">test.py</span><span style="color: black;"><span style="color: black;">import</span> sys</span><span style="color: black;"><span style="color: black;"><span style="color: black;">def</span> <span style="color: black;">send</span><span style="color: black;">()</span>:</span></span><span style="color: black;"> <span style="color: black;"># a1 = sys.argv</span></span><span style="color: black;"> <span style="color: black;"># a2 = sys.argv</span></span><span style="color: black;"> re = sys.argv[<span style="color: black;">1</span>:]</span><span style="color: black;"> data = <span style="color: black;">1,2,3,4,5,</span> + <span style="color: black;">,</span>.join(re) <span style="color: black;"># 转字符串</span></span><span style="color: black;"> print(data)</span><span style="color: black;"><span style="color: black;">if</span> __name__ == <span style="color: black;">__main__</span>:</span><span style="color: black;"> send()</span>导入sys包，<span style="color: black;">运用</span>sys.argv[]数组获取传入参数，<span style="color: black;">第1</span>个传入参数为sys.argv，第二个为sys.argv以此类推，不要<span style="color: black;">运用</span>argv<img src="https://mmbiz.qpic.cn/mmbiz_png/mpTpNCHRicia8b3RlnPxEWEFGsXVZl4a05g9uzTicsFop4XURjADhJbggboOHrpC7jfdf8rRw28oZ4fibvzWdMBU1A/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;">接收返回 json 数据：<span style="color: black;"><span style="color: black;">import</span> sys</span><span style="color: black;"><span style="color: black;">import</span> json</span><span style="color: black;"><span style="color: black;"><span style="color: black;">def</span> <span style="color: black;">send</span><span style="color: black;">()</span>:</span></span><span style="color: black;"> dict = {<span style="color: black;">id</span>:<span style="color: black;">111</span>, <span style="color: black;">title</span>:<span style="color: black;">测试title</span>}</span><span style="color: black;"> dict[<span style="color: black;">data</span>] = sys.argv[<span style="color: black;">1</span>:]</span><span style="color: black;"> jsonArr = json.dumps(dict, ensure_ascii=<span style="color: black;">False</span>)</span><span style="color: black;"> print(jsonArr)</span><span style="color: black;"><span style="color: black;">if</span> __name__ == <span style="color: black;">__main__</span>:</span><span style="color: black;"> send()</span>（<span style="color: black;">触及</span>到中文字符的时候，需要指定ensure_ascii=False）<img src="https://mmbiz.qpic.cn/mmbiz_png/mpTpNCHRicia8b3RlnPxEWEFGsXVZl4a05vk4EMt9s0Bbo9fvbggjKkERZ8ffzaldwQ7cqKDmUKuWjRBCW5icX1sQ/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;">
<h3 style="color: black; text-align: left; margin-bottom: 10px;"><span style="color: black;"><span style="color: black;">2、</span>system() — 执行<span style="color: black;">外边</span>程序，并且<span style="color: black;">表示</span>输出</span></h3><span style="color: black;"><span style="color: black;">system</span> ( string $command [, <span style="color: black;">int</span> &$return_var ] ) : string</span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">同 C 版本的 system() 函数<span style="color: black;">同样</span>，本函数执行 command 参数所指定的命令，并且输出执行结果。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">倘若</span> PHP 运行在服务器模块中， system() 函数还会尝试在每行输出完毕之后，自动刷新 web 服务器的输出缓存。</p><span style="color: black;">倘若</span>要获取一个命令未经任何处理的 原始输出，请<span style="color: black;">运用</span> passthru() 函数。index.php<span style="color: black;"><?php</span><span style="color: black;"><span style="color: black;">echo</span> <span style="color: black;">这是运行直接输出：</span>;</span><span style="color: black;"><span style="color: black;">$re</span> = system(<span style="color: black;">python ceshi.py</span>);</span><span style="color: black;">// <span style="color: black;">$re</span> = iconv(<span style="color: black;">gbk</span>, <span style="color: black;">utf-8</span>, <span style="color: black;">$re</span>);</span><span style="color: black;"><span style="color: black;">echo</span> <span style="color: black;"><br/></span>;</span><span style="color: black;"><span style="color: black;">echo</span> <span style="color: black;">这是赋值输出：</span>;</span><span style="color: black;">var_dump(<span style="color: black;">$re</span>);</span><span style="color: black;">这儿</span><span style="color: black;">运用</span>最初版本的 test.py，输出效果如下：<img src="https://mmbiz.qpic.cn/mmbiz_png/mpTpNCHRicia8b3RlnPxEWEFGsXVZl4a05OAxSukmO2cSL4mFknbqUicKRn5AibRJLbiateniaKh3I2HPHQxDUJrokUw/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;">
<h3 style="color: black; text-align: left; margin-bottom: 10px;"><span style="color: black;"><span style="color: black;">3、</span>passthru() — 执行<span style="color: black;">外边</span>程序，并且<span style="color: black;">表示</span>输出</span></h3><span style="color: black;">passthru ( <span style="color: black;">string</span> $command [, <span style="color: black;">int</span> &$return_var ] ) : <span style="color: black;">void</span></span>同 exec() 函数类似， passthru() 函数 <span style="color: black;">亦</span>是用来执行<span style="color: black;">外边</span>命令（command）的。当所执行的 Unix 命令输出二进制数据，并且需要直接传送到浏览器的时候，需要用此函数来替代 exec() 或 system() 函数。常用来执行诸如 pbmplus 之类的<span style="color: black;">能够</span>直接输出图像流的命令。<span style="color: black;">经过</span>设置 Content-type 为 image/gif，<span style="color: black;">而后</span>调用 pbmplus 程序输出 gif 文件，就<span style="color: black;">能够</span>从 PHP 脚本中直接输出图像到浏览器。index.php<span style="color: black;"><span style="color: black;">echo</span> <span style="color: black;">这是运行直接输出：</span>;</span><span style="color: black;"><span style="color: black;">$re</span> = passthru(<span style="color: black;">python ceshi.py</span>);</span><span style="color: black;">// <span style="color: black;">$re</span> = iconv(<span style="color: black;">gbk</span>, <span style="color: black;">utf-8</span>, <span style="color: black;">$re</span>);</span><span style="color: black;"><span style="color: black;">echo</span> <span style="color: black;"><br/></span>;</span><span style="color: black;"><span style="color: black;">echo</span> <span style="color: black;">这是赋值输出：</span>;</span><span style="color: black;">var_dump(<span style="color: black;">$re</span>);</span><span style="color: black;">这儿</span><span style="color: black;">运用</span>最初版本的 test.py，输出效果如下：<img src="https://mmbiz.qpic.cn/mmbiz_png/mpTpNCHRicia8b3RlnPxEWEFGsXVZl4a05yiaRhmTwhcib9aWW1yohcTQerxaMuR4Qg4vnJPdBnd36rDr6Z6mdjHYQ/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;"><img src="https://mmbiz.qpic.cn/mmbiz_gif/X36HLl2EicOfbCTTtzwpbdicOhvibmKu9O9jGSLPicT5IVjk2U8YETibumKAAa5K55Y3mdvGOvhjfbUGdEibKx8E5BJQ/640?wx_fmt=gif&tp=webp&wxfrom=5&wx_lazy=1" style="width: 50%; margin-bottom: 20px;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">原文链接：</span></span></strong><span style="color: black;"><span style="color: black;">以上<span style="color: black;">便是</span>本篇分钟的<span style="color: black;">所有</span>内容，</span><span style="color: black;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">期盼</span>各位程序员们<span style="color: black;">奋斗</span><span style="color: black;">提高</span>个人技术。</span></strong></span><span style="color: black;">最后，<span style="color: black;">博主</span>温馨提示：<span style="color: black;">每日</span>阅读5分钟，<span style="color: black;">每日</span>学习一点点，<span style="color: black;">每日</span>进步一点点。</span></span>
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