feat(color): 为ColorParser支持RGB渐变颜色代码。

base/main/src/test/java/GradientTest.java

@@ -0,0 +1,38 @@
+import cc.carm.lib.easyplugin.utils.ColorParser;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Matcher;
+
+public class GradientTest {
+
+
+    @Test
+    public void test() {
+        System.out.println(" ");
+        System.out.println(parseGradientColor("&<#AAAAAA>我真的&<#BBBBBB>爱死&<#111111>你&<#FFFFFF>！"));
+    }
+
+
+    public static String parseGradientColor(String text) {
+        List<String> colors = new ArrayList<>();
+
+        Matcher matcher = ColorParser.GRADIENT_PATTERN.matcher(text);
+        while (matcher.find()) colors.add(matcher.group(1));
+
+        if (colors.isEmpty()) return text; // 无渐变颜色，直接跳出
+
+        String[] parts = ColorParser.GRADIENT_PATTERN.split(text);
+        StringBuilder builder = new StringBuilder();
+        for (int i = 0; i < parts.length; i++) {
+            String startHex = i - 1 >= 0 && colors.size() > i - 1 ? colors.get(i - 1) : null; // 本条消息的起始颜色
+            String endHex = colors.size() > i ? colors.get(i) : null; // 本条消息的结束颜色
+            System.out.println("[" + startHex + "]" + parts[i] + "[" + endHex + "]");
+            builder.append(ColorParser.gradientText(parts[i], startHex, endHex));
+        }
+
+        return builder.toString();
+    }
+
+}