REPORT-33032 无插件PDF导出-HTML解析：font-size 支持单位 %，text-decoration 支持line-through值

fine-itext/src/main/java/com/fr/third/v2/lowagie/text/html/Markup.java

@@ -399,6 +399,9 @@ public class Markup {
 		if (string.startsWith("em")) {
 			return f * actualFontSize;
 		}
+		if (string.startsWith("%")) {
+			return f * actualFontSize / 100;
+		}
 		// one ex is the x-height of a font (x-height is usually about half the
 		// font-size)
 		if (string.startsWith("ex")) {

fine-itext/src/main/java/com/fr/third/v2/lowagie/text/html/simpleparser/FactoryProperties.java

@@ -389,8 +389,13 @@ public class FactoryProperties {
 					h.put("b", null);
 			} else if (key.equals(Markup.CSS_KEY_TEXTDECORATION)) {
 				String ss = prop.getProperty(key).trim().toLowerCase();
-				if (ss.equals(Markup.CSS_VALUE_UNDERLINE))
+				if (ss.equals(Markup.CSS_VALUE_UNDERLINE)) {
 					h.put("u", null);
+				} else if (ss.equals(Markup.CSS_VALUE_LINETHROUGH)) {
+					h.put("s", null);
+				} else {
+					h.put(key, ss);
+				}
 			} else if (key.equals(Markup.CSS_KEY_COLOR)) {
 				Color c = Markup.decodeColor(prop.getProperty(key));
 				if (c != null) {