REPORT-33569 无插件PDF导出-HTML解析：块元素（如：div、p）支持background-image、background-size 属性

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

@@ -50,9 +50,11 @@
 
 package com.fr.third.v2.lowagie.text.html.simpleparser;
 
+import com.fr.third.v2.lowagie.text.html.utils.BackgroundUtil;
 import java.awt.Color;
 import java.util.HashMap;
 import java.util.Iterator;
+import java.util.Map;
 import java.util.Properties;
 import java.util.StringTokenizer;
 import com.fr.third.v2.lowagie.text.Chunk;
@@ -134,9 +136,12 @@ public class FactoryProperties {
 			else if (value.equalsIgnoreCase("justify"))
 				p.setAlignment(Element.ALIGN_JUSTIFIED);
 		}
-		if(props.hasPropertyInChain("div", "background")){
-			p.setBackground(props.getPropertyFromChain("div", "background"));
-		}
+        Map<String, String> bgAttrMap = BackgroundUtil.parseBgAttr4BlockTag(props);
+        if (null != bgAttrMap) {
+            for (Map.Entry<String, String> entry : bgAttrMap.entrySet()) {
+                p.setAttribute(entry.getKey(), entry.getValue());
+            }
+        }
 		if(props.hasProperty("line-height")){
 			p.setAttribute("line-height", props.getProperty("line-height"));
 		}

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

@@ -45,4 +45,44 @@ public class BackgroundUtil {
         }
         return backgroundRules;
     }
+
+    /**
+     * 将块元素的背景属性转换成mp
+     *
+     * @param props
+     * @return
+     */
+    public static Map<String, String> parseBgAttr4BlockTag(ChainedProperties props) {
+        Map<String, String> backgroundRules = new HashMap<String, String>();
+        String value = props.getPropertyFromChain("div", "bgcolor");
+        if (value != null) {
+            backgroundRules.put("background-color", value);
+        }
+        value = props.getPropertyFromChain("div", "background-size");
+        if (value != null) {
+            backgroundRules.put("background-size", value);
+        }
+        value = props.getPropertyFromChain("div", "background");
+        if (value != null) {
+            Map<String, String> backgroundStyles = CSSUtils.processBackground(value);
+            backgroundRules.putAll(backgroundStyles);
+        }
+        value = props.getPropertyFromChain("div", "background-color");
+        if (value != null) {
+            backgroundRules.put("background-color", value);
+        }
+        value = props.getPropertyFromChain("div", "background-position");
+        if (value != null) {
+            backgroundRules.put("background-position", value);
+        }
+        value = props.getPropertyFromChain("div", "background-repeat");
+        if (value != null) {
+            backgroundRules.put("background-repeat", value);
+        }
+        value = props.getPropertyFromChain("div", "background-image");
+        if (value != null) {
+            backgroundRules.put("background-image", value);
+        }
+        return backgroundRules;
+    }
 }