java如何执行git命令

要在Java中执行Git命令，您可以使用Java的Runtime类或ProcessBuilder类

方法1：使用Runtime类

import java.io.BufferedReader;
    
import java.io.InputStreamReader;


public class Main {

    public static void main(String[] args) {

        try {
    
            String gitCommand = "git --version";
    
            Process process = Runtime.getRuntime().exec(gitCommand);
    

            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
    
            String line;

            while ((line = reader.readLine()) != null) {
    
                System.out.println(line);

            }
    

            process.waitFor();

        }
 catch (Exception e) {
    
            e.printStackTrace();

        }

    }

}
    

方法2：使用ProcessBuilder类

import java.io.BufferedReader;
    
import java.io.InputStreamReader;
    
import java.util.Arrays;


public class Main {

    public static void main(String[] args) {

        try {

            String[] gitCommand = {
"git", "--version"}
    ;
    
            ProcessBuilder processBuilder = new ProcessBuilder(Arrays.asList(gitCommand));
    
            processBuilder.redirectErrorStream(true);
    

            Process process = processBuilder.start();
    

            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
    
            String line;

            while ((line = reader.readLine()) != null) {
    
                System.out.println(line);

            }
    

            process.waitFor();

        }
 catch (Exception e) {
    
            e.printStackTrace();

        }

    }

}
    

这两个示例都会执行git --version命令并打印输出结果。您可以根据需要修改gitCommand数组来执行其他Git命令。请注意，这些示例假设您的系统已经安装了Git并将其添加到了环境变量中。如果尚未安装，您需要先安装Git。

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