今天是第二十四天
昨天晚上宿舍停电 热的睡不着 所以早上7点多才起来
然后把宿舍整理了之后就去实验室写这周的图论题目
然后哈哈 因为正式开始写是明天开始写 然后我就占了四个绿灯 然后准备明天早上起早一点继续写争取亮一排绿灯。
然后今天看了java的布局的一些知识
上总结
//布局
//1.顺序布局FlowLayout
//FlowLayout flo = new FlowLayout(FlowLayout.LEET,20,60); 表示水平对齐,20表示水平间隔,60表示垂直间隔。
//setFlowLayout(flo);
//2.边界布局BorderLayout
//Border译为边界,BorderLayout按照east west south north center各个方位进行布局
//注意:Frame的默认布局是BorderLayout布局,可以省略setLayout语句。
//3.网格布局GridLayout
//setLayout(new GridLayout(3,2)); 将窗口分为3行2列的网格。
//4.网格袋布局GridBagLayout
//给出一个例子:smp68.java
//smp68.java
import java.awt.*;
import java.awt.event.*;
public class smp68 extends Frame implements ActionListener{
Button btn;
smp68(){
super("GridBagLayout布局");
setVisible(true);
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints(); //constraint 约束
setLayout(gridbag);
c.fill = GridBagConstraints.BOTH;
makebutton("Button0",gridbag,c);
makebutton("Button1",gridbag,c);
makebutton("Button2",gridbag,c);
makebutton("Button3",gridbag,c);
c.gridwidth = GridBagConstraints.REMAINDER;
makebutton("Button4",gridbag,c);
c.gridwidth = 2;
makebutton("Button5",gridbag,c);
c.gridwidth = 1;
makebutton("Button51",gridbag,c);
c.gridwidth = GridBagConstraints.REMAINDER;
makebutton("Button52",gridbag,c);
c.gridwidth = GridBagConstraints.RELATIVE;
makebutton("Button6",gridbag,c);
c.gridwidth = GridBagConstraints.REMAINDER;
makebutton("Button7",gridbag,c);
c.gridwidth = 1;
c.gridheight = 2;
makebutton("Button8",gridbag,c);
c.gridwidth = GridBagConstraints.REMAINDER;
c.gridheight = 1;
makebutton("Button9",gridbag,c);
makebutton("exit",gridbag,c);
btn.addActionListener(this);
pack();
}
protected void makebutton(String name,GridBagLayput gridbag,GridBagConstraints c){
btn = new Button(name);
gridbag.setConstraints(btn,c);
add(btn);
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==btn)
System.exit(0);
}
public static void main(String[] args) {
snp68 smp = new smp68();
}
}
最后上的实例是看起来比较复杂的 GridBagLayout
现在去吃饭 吃完饭回来会继续看一点java 然后看情况把总结放到今天还是放到明天
老规矩
我一直觉得
和别人竞争
不是和别人比谁有多聪明
而是比为了达到目标可以牺牲的程度
不多说 废话 快去行动