<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-1632085368384154" crossorigin="anonymous"></script><script src="https://autohotkey.top/gtag.js"></script></head> <body> <h1>ProcessExist</h1> <p>检查指定的进程是否存在.</p> <pre class="Syntax">PID := <span class="func">ProcessExist</span>(<span class="optional">PIDOrName</span>)</pre> <h2 id="Parameters">参数</h2> <dl> <dt>PIDOrName</dt> <dd> <p>类型: <a href="../Concepts.htm#numbers">整数</a>或<a href="../Concepts.htm#strings">字符串</a></p> <p>如果未设置或省略, 使用脚本自身的进程. 否则, 指定一个数字(PID) 或进程名:</p> <p><strong>PID:</strong> 进程的 ID, 它是唯一标识一个特定进程的数字(此数字仅在该进程的存在周期内有效). 新启动进程的 PID 可以通过 <a href="Run.htm">Run</a> 函数来确定. 同样, 窗口的 PID 也可以用 <a href="WinGetPID.htm">WinGetPID</a> 来确定.</p> <p><strong>Name:</strong> 进程的名称通常与其可执行文件相同(没有路径), 例如 notepad.exe 或 winword.exe. 由于名称可能匹配多个正在运行的进程, 因此只对第一个匹配的进程进行操作. 该名称不区分大小写.</p> </dd> </dl> <h2 id="Return_Value">返回值</h2> <p>类型: <a href="../Concepts.htm#numbers">整数</a></p> <p>此函数返回指定进程的<a href="../misc/WinTitle.htm#ahk_pid">进程 ID(PID)</a>. 如果没有匹配的进程, 则返回 0.</p> <h2 id="Related">相关</h2> <p><a href="Run.htm">Run</a>, <a href="WinExist.htm">WinExist</a>, <a href="Process.htm">进程函数</a>, <a href="Win.htm">窗口函数</a></p> <h2 id="Examples">示例</h2> <div class="ex" id="ExBasic"> <p><a class="ex_number" href="#ExBasic"></a> 检查记事本进程是否存在.</p> <pre>if (PID := ProcessExist("notepad.exe")) MsgBox "Notepad exists and has the Process ID " PID "." else MsgBox "Notepad does not exist."</pre> </div> <a href="https://dftg.net">dftg</a><!-- Cloudflare Pages Analytics --><script defer src='https://static.cloudflareinsights.com/beacon.min.js' data-cf-beacon='{"token": "d5a9c4fcb9b6482fa53ce820d892f969"}'></script><!-- Cloudflare Pages Analytics --><script defer src="https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015" integrity="sha512-ZpsOmlRQV6y907TI0dKBHq9Md29nnaEIPlkf84rnaERnq6zvWvPUqr2ft8M1aS28oN72PdrCzSjY4U6VaAw1EQ==" data-cf-beacon='{"rayId":"95c3844f5fb7ec72","version":"2025.6.2","r":1,"serverTiming":{"name":{"cfExtPri":true,"cfEdge":true,"cfOrigin":true,"cfL4":true,"cfSpeedBrain":true,"cfCacheStatus":true}},"token":"51750bb5dc4f40cc91a5ec55c63bbc01","b":1}' crossorigin="anonymous"></script> </body> </html>