现在有一个C写的.exe文件,放在C盘的某个目录下之后,我在cmd窗口运行lrc -h 127.0.0.1 -p 6301 -m "X,hello!"就能正常运行并返回我想要的东西,但是我在网上找的java执行就不对。求大神们帮忙啊!!!!!!!!!打印台不能输出任何返回值,运行javac或者java -version也是不报错但是没打印东西。
public class ExeCommand {
public String exec(List list) {
Runtime rn = Runtime.getRuntime();
Process p = null;
try {
// String[] cmd= new String[] {"lrc", "-h","127.0.0.1","-p","6301","-m","X,hello!"};
// String cmd="lrc"+" "+"-h"+" "+"127.0.0.1"+" "+"-p"+" "+"6301"+" "+"-m"+" "+"\"X,hello!\"";
// System.out.println(cmd);
// p = rn.exec(cmd);
p=rn.exec("javac");
BufferedReader br=new BufferedReader(new InputStreamReader(p.getInputStream()));
String res;
while((res = br.readLine())!= null){
System.out.println(1);
System.out.println(res);
}