本文实例讲述了java编程使用箱式布局管理器。分享给大家供大家参考，具体如下：
先来看看运行效果：
完整代码如下：
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package awtdemo;
import java.awt.borderlayout;
import java.awt.container;
import javax.swing.box;
import javax.swing.jbutton;
import javax.swing.jframe;
import javax.swing.jlabel;
import javax.swing.jscrollpane;
import javax.swing.jtextarea;
import javax.swing.jtextfield;
/**
* 使用箱式布局管理器
*
* @author han
*
*/
public class boxlayout_1 extends jframe {
/**
*
*/
private static final long serialversionuid = 6896925750596855002l;
public boxlayout_1() {
// todo auto-generated constructor stub
container container = getcontentpane();
box box = box.createverticalbox();
container.add(box, borderlayout.north);
box.add(box.createverticalstrut(5));
box topicbox = box.createhorizontalbox();
box.add(topicbox);
topicbox.setalignmentx(1);
topicbox.add(box.createhorizontalstrut(5));
jlabel topiclabel = new jlabel("主题：");
topicbox.add(topiclabel);
topicbox.add(box.createhorizontalstrut(5));
jtextfield topictextfield = new jtextfield(30);
topicbox.add(topictextfield);
box box2 = box.createverticalbox();
container.add(box2, borderlayout.center);
box contentbox = box.createhorizontalbox();
contentbox.setalignmentx(1);
box2.add(box.createverticalstrut(5));
box2.add(contentbox);
contentbox.add(box.createhorizontalstrut(5));
jlabel contentlabel = new jlabel("内容：");
contentlabel.setalignmenty(0);
contentbox.add(contentlabel);
contentbox.add(box.createhorizontalstrut(5));
stringbuilder stringbuilder = new stringbuilder();
string contentstring = new string("利用箱式布局管理器实现组件的右对齐"
+ "和上对齐，以及控制组件之间的间距！");
stringbuilder.append(contentstring);
stringbuilder.append("\n");
stringbuilder.append(contentstring);
contentstring = stringbuilder.tostring();
jtextarea contenttextarea = new jtextarea(contentstring, 3, 30);
contenttextarea.setlinewrap(true);
jscrollpane scrollpane = new jscrollpane();
scrollpane.setalignmenty(0);
scrollpane.setviewportview(contenttextarea);
contentbox.add(scrollpane);
contentbox.add(box.createhorizontalstrut(5));
// system.out.println(contenttextarea.requestfocusinwindow());
box2.add(box.createverticalstrut(5));
jbutton submitbutton = new jbutton("确定");
box2.add(submitbutton);
submitbutton.setalignmentx(1);
box2.add(box.createverticalstrut(5));
}
/**
* @param args
*/
public static void main(string[] args) {
// todo auto-generated method stub
boxlayout_1 frame = new boxlayout_1();
frame.settitle("www.zzvips.com - 使用箱式布局管理器");
frame.setvisible(true);
frame.setdefaultcloseoperation(jframe.exit_on_close);
frame.pack();
}
}
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希望本文所述对大家java程序设计有所帮助。
原文链接：http://blog.csdn.net/gaowen_han/article/details/7738642