导入 import java.awt.Desktop; import java.io.File;
import java.io.IOException;
代码 String path=" 文件路径及名称，例：D://test.txt"; if(Desktop.isDesktopSupported()&&Desktop.getDesktop().isSupported(Desktop.Action.OPEN)){ File file = new File(path);
if(file.exists()){
try {
Desktop.getDesktop().open(file); //打开成功 } catch (Exception e) {
//打开打开失败
}
}else{
//无文件"
}
}