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【优化】通用头像工具类: CommonAvatarUtil

pull/222/head v3.0.3
俞宝山 2024-06-18 01:29:12 +08:00
parent a265256f4e
commit 831a1ef55d
1 changed files with 39 additions and 31 deletions
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70
snowy-common/src/main/java/vip/xiaonuo/common/util/CommonAvatarUtil.java
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@ -14,11 +14,10 @@ package vip.xiaonuo.common.util;
import cn.hutool.core.img.ImgUtil;
import cn.hutool.core.util.RandomUtil;
import cn.hutool.core.util.StrUtil;
import org.apache.commons.lang3.StringUtils;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
@ -29,6 +28,29 @@ import java.util.regex.Pattern;
**/
public class CommonAvatarUtil {
/**
* 中文正则
*/
public static final Pattern CHINESE_PATTERN = Pattern.compile("[\\u4e00-\\u9fa5]+");
/**
* 预置颜色
*/
private static final int[] BEAUTIFUL_COLORS = {
0x7265E6,
0xFCBF00,
0x00A2AE,
0xF56A00,
0x1890FF,
0x606D80
};
/**
* 此工具类不可被实例化
*/
private CommonAvatarUtil() {
}
/**
* 绘制字体头像，如果是英文名，只显示首字母大写，
* 如果是中文名，只显示最后两个字
@ -37,23 +59,20 @@ public class CommonAvatarUtil {
* @author xuyuxiang
* @date 2022/7/5 17:36
**/
public static String generateImg(String name) {
int width = 100;
int height = 100;
int nameLength = name.length();
String nameWritten;
public static String generateImg(final String name) {
final int width = 100;
final int height = 100;
final int nameLength = name.length();
// 如果用户输入的姓名少于等于2个字符，不用截取
if (nameLength <= 2) {
nameWritten = name;
} else {
String nameWritten = name;
if (nameLength > 2) {
// 如果用户输入的姓名大于等于3个字符，截取后面两位
String first = StrUtil.sub(name, 0, 1);
if (isChinese(first)) {
if (isChinese(StringUtils.substring(name, 0, 1))) {
// 截取倒数两位汉字
nameWritten = name.substring(nameLength - 2);
} else {
// 截取前面的两个英文字母
nameWritten = StrUtil.sub(name, 0, 1).toUpperCase();
nameWritten = StringUtils.substring(name, 0, 1).toUpperCase();
}
}
BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
@ -62,13 +81,11 @@ public class CommonAvatarUtil {
g2.setBackground(getRandomColor());
g2.clearRect(0, 0, width, height);
g2.setPaint(Color.WHITE);
Font font;
// 两个字及以上
if(nameWritten.length() >= 2) {
font = new Font("微软雅黑", Font.BOLD, 30);
g2.setFont(font);
String firstWritten = StrUtil.sub(nameWritten, 0, 1);
String secondWritten = StrUtil.sub(nameWritten, 0, 2);
g2.setFont(new Font("微软雅黑", Font.BOLD, 30));
String firstWritten = StringUtils.substring(nameWritten, 0, 1);
String secondWritten = StringUtils.substring(nameWritten, 0, 2);
// 两个中文 如 言曌
if (isChinese(firstWritten) && isChinese(secondWritten)) {
g2.drawString(nameWritten, 20, 60);
@ -85,12 +102,10 @@ public class CommonAvatarUtil {
if(nameWritten.length() == 1) {
// 中文
if(isChinese(nameWritten)) {
font = new Font("微软雅黑", Font.PLAIN, 50);
g2.setFont(font);
g2.setFont(new Font("微软雅黑", Font.PLAIN, 50));
g2.drawString(nameWritten, 25, 70);
} else {
font = new Font("微软雅黑", Font.PLAIN, 55);
g2.setFont(font);
g2.setFont(new Font("微软雅黑", Font.PLAIN, 55));
g2.drawString(nameWritten.toUpperCase(), 33, 67);
}
}
@ -104,11 +119,7 @@ public class CommonAvatarUtil {
* @date 2022/7/5 17:41
**/
private static Color getRandomColor() {
String[] beautifulColors =
new String[]{"114,101,230", "255,191,0", "0,162,174", "245,106,0", "24,144,255", "96,109,128"};
String[] color = beautifulColors[RandomUtil.randomInt(beautifulColors.length)].split(StrUtil.COMMA);
return new Color(Integer.parseInt(color[0]), Integer.parseInt(color[1]),
Integer.parseInt(color[2]));
return new Color(BEAUTIFUL_COLORS[RandomUtil.randomInt(BEAUTIFUL_COLORS.length)]);
}
/**
@ -118,9 +129,6 @@ public class CommonAvatarUtil {
* @date 2022/7/5 17:41
**/
private static boolean isChinese(String str) {
String regEx = "[\\u4e00-\\u9fa5]+";
Pattern p = Pattern.compile(regEx);
Matcher m = p.matcher(str);
return m.find();
return CHINESE_PATTERN.matcher(str).find();
}
}