[mysql] Jtext 判斷有無輸入 字串

String Price_text = Price_jTextField1.getText();

if ( Price_text.length() == 0 || Price_text == null ){

Price_text = Integer.toString(0);

}

Reference :

http://www.javaworld.com.tw/jute/post/view?bid=5&id=152892&sty=1&tpg=22&age=0