如题

查看所有的端口占用情况

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C:\>netstat -ano
Active Connections

  Proto  Local Address          Foreign Address        State           PID
  TCP    0.0.0.0:80             0.0.0.0:0              LISTENING       15372
  TCP    0.0.0.0:135            0.0.0.0:0              LISTENING       1140
# 还有好多，这里省略...

查看指定端口的占用情况

这里以 80 端口为例

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C:\>netstat -aon|findstr 80
  TCP    0.0.0.0:80             0.0.0.0:0              LISTENING       11880

查看 PID 对应的进程

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# 从上面运行 netstate 命令查询到 80 端口的进程 ID 为 11880，以下查看该进程 ID 对应的程序
C:\>tasklist|findstr 11880
nginx.exe                    11880 Console                    1      6,548 K

# 以下查询进程 ID 2940 是哪个程序在运行
C:\>tasklist|findstr 2940
java.exe                      2940 Console                    1    674,380 K

杀死进程

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# nginx 占用了 80 端口，结束该进程：
C:\>taskkill /f /t /im nginx.exe
SUCCESS: The process with PID 11880 (child process of PID 14416) has been terminated.
SUCCESS: The process with PID 14416 (child process of PID 4896) has been terminated.

# 杀死 java.exe 进程
C:\>taskkill /f /t /im java.exe
SUCCESS: The process with PID 3772 (child process of PID 37764) has been terminated.
SUCCESS: The process with PID 41376 (child process of PID 18720) has been terminated.
SUCCESS: The process with PID 33892 (child process of PID 29432) has been terminated.
SUCCESS: The process with PID 28732 (child process of PID 20972) has been terminated.
SUCCESS: The process with PID 37764 (child process of PID 34648) has been terminated.
SUCCESS: The process with PID 18720 (child process of PID 34648) has been terminated.
SUCCESS: The process with PID 29432 (child process of PID 34648) has been terminated.
SUCCESS: The process with PID 20972 (child process of PID 34648) has been terminated.

应用

  1. Idea 启动时报错
  2. 解决
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    C:\Users\Andy>netstat -aon|findstr 4440
      TCP    192.168.1.188:4440     220.181.76.83:80       ESTABLISHED     7352

    C:\Users\Andy>tasklist|findstr 7352
    YoudaoDict.exe                7352 Console                    1     26,096 K

手动关闭有道词典，或者运行：taskkill /f /t /im YoudaoDict.exe

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C:\>taskkill /f /t /im YoudaoDict.exe
SUCCESS: The process with PID 7352 (child process of PID 23172) has been terminated.
SUCCESS: The process with PID 19064 (child process of PID 23172) has been terminated.
SUCCESS: The process with PID 17396 (child process of PID 23172) has been terminated.
SUCCESS: The process with PID 23172 (child process of PID 8848) has been terminated.