本文实例讲述了java swing实现的定制textfield功能。分享给大家供大家参考，具体如下：
先来看看运行效果：
具体代码如下：
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package themedemo;
import java.awt.basicstroke;
import java.awt.borderlayout;
import java.awt.color;
import java.awt.graphics2d;
import java.awt.gridlayout;
import java.awt.insets;
import java.awt.renderinghints;
import java.util.map;
import javax.swing.borderfactory;
import javax.swing.jcomponent;
import javax.swing.jframe;
import javax.swing.jpanel;
import javax.swing.jtextfield;
import javax.swing.painter;
import javax.swing.swingutilities;
import javax.swing.uidefaults;
import javax.swing.uimanager;
import javax.swing.windowconstants;
public class textfieldskindemo {
public static void main(string[] args) {
swingutilities.invokelater(new runnable() {
public void run() {
for (uimanager.lookandfeelinfo laf : uimanager
.getinstalledlookandfeels()) {
if ("nimbus".equals(laf.getname())) {
try {
uimanager.setlookandfeel(laf.getclassname());
} catch (exception e) {
e.printstacktrace();
}
}
}
for (map.entry<object, object> entry : uimanager
.getlookandfeeldefaults().entryset()) {
if ((entry.getkey().tostring()).startswith("textfield")) {
system.out.println(entry.getkey() + " = "
+ entry.getvalue());
}
}
jframe frame = new jframe("www.zzvips.com - textfield skining demo");
frame.setdefaultcloseoperation(windowconstants.exit_on_close);
frame.getcontentpane().setlayout(new borderlayout());
jpanel panel = new jpanel(new gridlayout(0, 1, 20, 20));
panel.setborder(borderfactory.createemptyborder(20, 20, 20, 20));
panel.setbackground(color.darkgray);
uidefaults textfielddefaults = new uidefaults();
textfielddefaults.put("textfield.contentmargins", new insets(6,
6, 6, 6));
textfielddefaults.put("textfield[selected].textforeground",
color.white);
textfielddefaults.put("textfield.backgroundpainter",
new painter<jcomponent>() {
public void paint(graphics2d g, jcomponent c,
int w, int h) {
g.setrenderinghint(
renderinghints.key_antialiasing,
renderinghints.value_antialias_on);
g.setstroke(new basicstroke(2f));
g.setcolor(color.white);
g.fillroundrect(0, 0, w - 2, h - 2, 8, 8);
}
});
textfielddefaults.put("textfield.borderpainter",
new painter<jcomponent>() {
public void paint(graphics2d g, jcomponent c,
int w, int h) {
g.setrenderinghint(
renderinghints.key_antialiasing,
renderinghints.value_antialias_on);
g.setstroke(new basicstroke(2f));
g.setcolor(color.light_gray);
g.drawroundrect(0, 0, w - 2, h - 2, 8, 8);
}
});
jtextfield textfield = new jtextfield(15);
panel.add(textfield);
textfield.putclientproperty("nimbus.overrides",
textfielddefaults);
textfield.putclientproperty("nimbus.overrides.inheritdefaults",
false);
// add a normal themed slider for comparison
jtextfield normaltextfield = new jtextfield(15);
panel.add(normaltextfield);
frame.getcontentpane().add(panel, borderlayout.center);
frame.pack();
frame.setlocationrelativeto(null);
frame.setvisible(true);
}
});
}
}
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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/19754895