Aly*_*Aly 79 java user-interface swing jlabel
我有一个JLabel,上面有很多文字.有没有办法让JLabel有一个最大宽度,以便它包装文本,使其不超过这个宽度？
谢谢
cam*_*ckr 49
没有.
您可以在标签中使用HTML,但是您必须对break标记进行硬编码.
更好的方法是使用JTextArea并打开包装.您可以更改文本的背景,前景,字体等,使其看起来像标签.
注意,这个答案至少从Java 7开始已经过时了.
根据@darren的回答,你只需要用字符串<html>和</html>标签包装:
myLabel.setText("<html>"+ myString +"</html>");
您不需要对任何中断标记进行硬编码.当组件调整大小时,文本将换行.
Ale*_*erg 46
是的,有两种类似的方式(首先使用css style ="width:... px",第二种使用html WIDTH = ...:
1.
labelText = String.format("<html><div style=\"width:%dpx;\">%s</div></html>", width, text);
2.
labelText = String.format("<html><div WIDTH=%d>%s</div></html>", width, text);
小智 35
或者只是使用
myLabel.setText("<html>"+ myString +"</html>");
小智 12
如果使用段落标记,则可以使用HTML而不使用硬编码中断标记.
JLabel biglabel = new JLabel("<html><p>A lot of text to be wrapped</p></html>");
kle*_*tra 11
SwingX项目中的 JXLabel 支持包装
JXLabel label = new JXLabel(somelongtext);
label.setLineWrap(true);
有一个很好的技术在这里,滚动到文章的末尾.
JLabel labelBeingUsed = myLabel;
View view = (View) labelBeingUsed.getClientProperty(BasicHTML.propertyKey);
view.setSize(scrollPane1.getWidth(), 0.0f);
float w = view.getPreferredSpan(View.X_AXIS);
float h = view.getPreferredSpan(View.Y_AXIS);
labelBeingUsed.setSize((int) w, (int) h);
除了将文本包装在<html>标签中之外,还必须将标签放入一个尊重首选高度的容器中,并将宽度设置为最大值.例如,您可以将标签放入a的NORTH BorderLayout.
这是一个简单但完整的工作程序来说明这一点.您可以以任何方式调整框架的大小; 标签将占据整个宽度,高度将相应调整以包裹文本.请注意,我正在做的就是使用<html>标签并将标签放在.的NORTH中BorderLayout.
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.JPanel;
import javax.swing.JLabel;
import java.awt.BorderLayout;
import java.awt.Dimension;
public class LabelWrap {
public static JPanel createPanel() {
JLabel label = new JLabel();
label.setText("<html>"
+ "<h3>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</h3>"
+ "<p>Duis a tincidunt urna. Phasellus tristique interdum mauris, "
+ "ut vestibulum purus suscipit eget. Aenean massa elit, accumsan "
+ "non faucibus vel, dictum placerat urna. In bibendum est sagittis "
+ "urna iaculis quis sagittis velit commodo. Cum sociis natoque "
+ "penatibus et magnis dis parturient montes, nascetur ridiculus "
+ "mus. Nam quis lacus mauris. Phasellus sem libero, convallis "
+ "mattis sagittis vel, auctor eget ipsum. Vivamus molestie semper "
+ "adipiscing. In ac neque quis elit suscipit pharetra. Nulla at "
+ "orci a tortor consequat consequat vitae sit amet elit. Praesent "
+ "commodo lacus a magna mattis vehicula. Curabitur a hendrerit "
+ "risus. Aliquam accumsan lorem quis orci lobortis malesuada.</p>"
+ "<p>Proin quis viverra ligula. Donec pulvinar, dui id facilisis "
+ "vulputate, purus justo laoreet augue, a feugiat sapien dolor ut "
+ "nisi. Sed semper augue ac felis ultrices a rutrum dui suscipit. "
+ "Praesent et mauris non tellus gravida mollis. In hac habitasse "
+ "platea dictumst. Vestibulum ante ipsum primis in faucibus orci "
+ "luctus et ultrices posuere cubilia Curae; Vestibulum mattis, "
+ "tortor sed scelerisque laoreet, tellus neque consectetur lacus, "
+ "eget ultrices arcu mi sit amet arcu. Nam gravida, nulla interdum "
+ "interdum gravida, elit velit malesuada arcu, nec aliquam lectus "
+ "velit ut turpis. Praesent pretium magna in nibh hendrerit et "
+ "elementum tellus viverra. Praesent eu ante diam. Proin risus "
+ "eros, dapibus at eleifend sit amet, blandit eget purus. "
+ "Pellentesque eu mollis orci. Sed venenatis diam a nisl tempor "
+ "congue.</p>"
+ "</html>");
JPanel panel = new JPanel(new BorderLayout());
panel.add(label, BorderLayout.NORTH);
panel.setPreferredSize(new Dimension(640, 480));
return panel;
}
/**
* @param args
*/
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setContentPane(createPanel());
frame.pack();
frame.setVisible(true);
}
});
}
}
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