打开文件

//打开工具的路径及名字

String toolsPath = "C:/WINDOWS/system32/notepad.exe ";

//被打开文件的路径及名字

String fileName = "test.txt";

try {

Runtime.getRuntime().exec(toolsPath+fileName);

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

打开文件夹

try {

String[] cmd = new String[5];

String url = "C:/input";

cmd[0] = "cmd";

cmd[1] = "/c";

cmd[2] = "start";

cmd[3] = " ";

cmd[4] = url;

Runtime.getRuntime().exec(cmd);

} catch (IOException e) {

e.printStackTrace();

}

或者

Runtime.getRuntime().exec("cmd /c start C:/input");

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