Java 字体颜色转换工具类 ColorUtil，Java 字体颜色转换工具类 ColorUtil……

import java.awt.Color;

import jxl.format.Colour;

/**

*字体颜色转换工具类

* @author tanghui

*

*/

public class ColorUtil {

// 把字符串表达的颜色值转换成java.awt.Color

public static Color parseToColor(String c) {

Color convertedColor = Color.ORANGE;

try {

convertedColor = new Color(Integer.parseInt(c, 16));

} catch (NumberFormatException e) {

e.getStackTrace();

}

return convertedColor;

}

public static Colour getNearestColour(Color awtColor) {

Colour color = null;

Colour[] colors = Colour.getAllColours();

if ((colors != null) && (colors.length > 0)) {

Colour crtColor = null;

int[] rgb = null;

int diff = 0;

int minDiff = 999;

for (int i = 0; i < colors.length; i++) {

crtColor = colors[i];

rgb = new int[3];

rgb[0] = crtColor.getDefaultRGB().getRed();

rgb[1] = crtColor.getDefaultRGB().getGreen();

rgb[2] = crtColor.getDefaultRGB().getBlue();

diff = Math.abs(rgb[0] - awtColor.getRed())

+ Math.abs(rgb[1] - awtColor.getGreen())

+ Math.abs(rgb[2] - awtColor.getBlue());

if (diff < minDiff) {

minDiff = diff;

color = crtColor;

}

}

}

if (color == null)

color = Colour.BLACK;

return color;

}

// Color转换为16进制显示

public static String toHexEncoding(Color color) {

String R, G, B;

StringBuffer sb = new StringBuffer();

R = Integer.toHexString(color.getRed());

G = Integer.toHexString(color.getGreen());

B = Integer.toHexString(color.getBlue());

R = R.length() == 1 ? "0" + R : R;

G = G.length() == 1 ? "0" + G : G;

B = B.length() == 1 ? "0" + B : B;

sb.append("0x");

sb.append(R);

sb.append(G);

sb.append(B);

return sb.toString();

}

public static Colour getColour(final String c) {

Color cl = parseToColor(c);

return getNearestColour(cl);

}

//测试

public static void main(String[] args){

//      Color cs = ColorUtil.parseToColor("6026FF");

//      System.out.println(cs);

}

}

Java 字体颜色转换工具类 ColorUtil，对于java方面的教程就简单的叙述到这里了，更多java技术资讯请继续关注拓胜科技官网，如果需要了解拓胜java培训方面的，请在线咨询拓胜教育老师。