if (JOptionPane
                .showConfirmDialog(
                    frame,
                    <HTML><font color=red>你输入的内容是:" + tf1.getText() + "</font></HTML>,
                    "确认",
                    JOptionPane.YES_NO_OPTION)
                == JOptionPane.YES_OPTION) {
            }

解决方案 »

  1.   

    上面写掉了一点点,下面的OK了if (JOptionPane
                    .showConfirmDialog(
                        frame,
                        "<HTML><font color=red>你输入的内容是:" + tf1.getText() + "</font></HTML>",
                        "确认",
                        JOptionPane.YES_NO_OPTION)
                    == JOptionPane.YES_OPTION) {
                }
      

  2.   

    UIManager.put("OptionPane.font", font);
    UIManager.put("OptionPane.buttonFont", font);