1、 边界布局（borderlayout）
2、流式布局（flowlayout）
3、网格布局（gridlayout）
4、盒子布局（boxlayout）
5、空布局（null）
还有其他两种布局，分别是gridbaglayout（网格包布局）、cardlayout（卡片布局）
注意：jframe和jdialog默认布局为borderlayout，jpanel和applet默认布局为flowlayout
边界布局示例代码：
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import java.awt.borderlayout;import javax.swing.jbutton;import javax.swing.jframe;public class borderlayoutexample extends jframe{ jbutton btn1=new jbutton("东"); jbutton btn2=new jbutton("南"); jbutton btn3=new jbutton("西"); jbutton btn4=new jbutton("北"); jbutton btn5=new jbutton("中"); borderlayoutexample(){ init(); this.settitle("边界布局"); this.setresizable(true); this.setsize(200, 200); this.setlocationrelativeto(null); this.setdefaultcloseoperation(exit_on_close); this.setvisible(true); } void init(){ this.setlayout(new borderlayout(10,5)); //默认为0，0；水平间距10，垂直间距5 this.add(btn1,borderlayout.east); this.add(btn2,borderlayout.south); this.add(btn3,borderlayout.west); this.add(btn4,borderlayout.north); this.add(btn5,borderlayout.center); } public static void main(string args[]){ new borderlayoutexample(); }} |
运行结果：
流式布局示例代码：
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import java.awt.flowlayout;import javax.swing.jbutton;import javax.swing.jframe;public class flowlayoutexample extends jframe{ jbutton btn1=new jbutton("one"); jbutton btn2=new jbutton("two"); jbutton btn3=new jbutton("three"); jbutton btn4=new jbutton("four"); jbutton btn5=new jbutton("five"); flowlayoutexample(){ init(); this.settitle("流式布局"); this.setresizable(true); this.setsize(200, 200); this.setlocationrelativeto(null); this.setdefaultcloseoperation(exit_on_close); this.setvisible(true); } void init(){ this.setlayout(new flowlayout(flowlayout.left,10,5)); //默认为居中;水平间距10，垂直间距5 this.add(btn1); this.add(btn2); this.add(btn3); this.add(btn4); this.add(btn5); } public static void main(string args[]){ new flowlayoutexample(); }} |
运行结果：
网格布局示例代码：
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import java.awt.gridlayout;import javax.swing.jbutton;import javax.swing.jframe;public class gridlayoutexample extends jframe{ jbutton btn1=new jbutton("one"); jbutton btn2=new jbutton("two"); jbutton btn3=new jbutton("three"); jbutton btn4=new jbutton("four"); jbutton btn5=new jbutton("five"); gridlayoutexample(){ init(); this.settitle("表格布局"); this.setresizable(true); this.setsize(300, 200); this.setlocationrelativeto(null); this.setdefaultcloseoperation(exit_on_close); this.setvisible(true); } void init(){ this.setlayout(new gridlayout(2,3,10,5)); //默认为1行，n列；2行3列，水平间距10，垂直间距5 this.add(btn1); this.add(btn2); this.add(btn3); this.add(btn4); this.add(btn5); } public static void main(string args[]){ new gridlayoutexample(); }} |
运行结果：
盒子布局示例代码：
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import javax.swing.box;import javax.swing.boxlayout;import javax.swing.jbutton;import javax.swing.jframe;public class boxlayoutexample extends jframe{ jbutton btn1=new jbutton("one"); jbutton btn2=new jbutton("two"); jbutton btn3=new jbutton("three"); jbutton btn4=new jbutton("four"); jbutton btn5=new jbutton("five"); boxlayoutexample(){ init(); this.settitle("表格布局"); this.setresizable(true); this.setsize(300, 200); this.setlocationrelativeto(null); this.setdefaultcloseoperation(exit_on_close); this.setvisible(true); } void init(){ this.setlayout(new boxlayout(this.getcontentpane(),boxlayout.x_axis)); //可以使用box容器代替 //box box = new box(boxlayout.y_axis);box.add(btn...);box.add(creat..); this.add(btn1); this.add(btn2); this.getcontentpane().add(box.createhorizontalstrut(10)); //采用x布局时，添加固定宽度组件隔开 //this.getcontentpane().add(box.createverticalstrut(5)); //采用y布局时，添加固定高度组件隔开 this.add(btn3); this.add(btn4); this.add(btn5); } public static void main(string args[]){ new boxlayoutexample(); }} |
运行结果：
空布局示例代码：
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import javax.swing.jbutton;import javax.swing.jframe;public class nulllayoutexample extends jframe{ jbutton btn1=new jbutton("one"); jbutton btn2=new jbutton("two"); jbutton btn3=new jbutton("three"); jbutton btn4=new jbutton("four"); jbutton btn5=new jbutton("five"); nulllayoutexample(){ init(); this.settitle("空布局"); this.setresizable(true); this.setsize(300, 300); this.setlocationrelativeto(null); this.setdefaultcloseoperation(exit_on_close); this.setvisible(true); } void init(){ this.setlayout(null); btn1.setbounds(10, 0, 100, 50); //x坐标10，y坐标0，组件宽100，高50 btn2.setbounds(20, 50, 100, 50); btn3.setbounds(30, 100, 100, 50); btn4.setbounds(40, 150, 100, 50); btn5.setbounds(50, 200, 100, 50); this.add(btn1); this.add(btn2); this.add(btn3); this.add(btn4); this.add(btn5); } public static void main(string args[]){ new nulllayoutexample(); }} |
运行结果：
原文链接：https://www.idaobin.com/archives/824.html
