在线点餐代码Swing

packageZaixiandiancan; importjava.awt.event.*; importjava.awt.*; importjavax.swing.*; publicclassZaixiandiancanextendsJFrame{ publicstaticvoidmain(String[]args){ //TODOAuto-generatedmethodstub finalJFramef=newJFrame("在线点餐系统"); f.setLayout(newGridLayout(8,