本文實例講述了java編程使用箱式布局管理器。分享給大家供大家參考，具體如下：
先來看看運行效果：
完整代碼如下：
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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("主題："); 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("內容："); 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實現組件的右對齊" + "和上對齊，以及控制組件之間的間距！"); 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("確定"); 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.ythuaji.com.cn - 使用箱式布局管理器"); frame.setvisible(true); frame.setdefaultcloseoperation(jframe.exit_on_close); frame.pack(); }} |
希望本文所述對大家java程序設計有所幫助。
原文鏈接：http://blog.csdn.net/gaowen_han/article/details/7738642
