java 中调用window系统中的文件,或者执行命令（shell、.CMD、.EXE）并获取返回值(如果有的话)

矫情吗；* 2022-06-18 01:51 535阅读 0赞

import java.io.BufferedInputStream;  
import java.io.IOException;

public class Test \{

/\*\*  
\* @param args  
\*/  
public static void main(String\[\] args) \{  
   String name1 = "C:/WINDOWS/system32/winmine.exe";  
   String name2 = "C:/test.cmd";//我CMD里面的内容是 netstat -ano 其他的也可以  
   String name3 = "java -version";  
   try \{  
    System.out.println(execCMD(name1, 3));  
    System.out.println(execCMD(name2, 2));  
    System.out.println(execCMD(name3, 1));  
   \} catch (IOException e) \{  
    e.printStackTrace();  
   \}  
\}

/\*\*  
\*   
\* @param path 要执行的文件路径或命令  
\* @param type 执行类型 1 shell命令 2 .CMD文件 3 .EXE文件  
\* @return 返回的值  
\* @throws IOException  
\*/  
public static String execCMD(String path, int type) throws IOException \{  
   final String COM\_TITLE = "CMD /C ";  
   if (type == 1) \{  
    path = COM\_TITLE + path;  
   \}  
  Process pro = Runtime.getRuntime().exec(path);  
   BufferedInputStream br = new BufferedInputStream(pro.getInputStream());  
   BufferedInputStream br1 = new BufferedInputStream(pro.getErrorStream());  
   int ch;  
   StringBuffer text = new StringBuffer("获得的信息是: \\n");  
   while ((ch = br.read()) != -1) \{  
    text.append((char) ch);  
   \}

StringBuffer text1 = new StringBuffer("获得的错误信息是: \\n");  
   while ((ch = br1.read()) != -1) \{  
    text1.append((char) ch);  
   \}  
   return text.length() > 9 ? text.toString() : text1.toString();  
\}  
\}