REPORT-27284 table解析导出PDF后 单元格背景、边框与预览不一致

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

@@ -0,0 +1,48 @@
+package com.fr.third.v2.lowagie.text.html.Utils;
+
+import com.fr.third.v2.lowagie.text.html.CSSUtils;
+import com.fr.third.v2.lowagie.text.html.simpleparser.ChainedProperties;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author Hugh.C
+ * @version 1.0
+ * Created by Hugh.C on 2020/2/26
+ */
+public class BackgroundUtil {
+
+    public static Map<String, String> parse2RulesMap(ChainedProperties props) {
+        Map<String, String> backgroundRules = new HashMap<String, String>();
+        String value = props.getProperty("bgcolor");
+        if (value != null) {
+            backgroundRules.put("background-color", value);
+        }
+        value = props.getLastChainProperty("background-size");
+        if (value != null) {
+            backgroundRules.put("background-size", value);
+        }
+        value = props.getLastChainProperty("background");
+        if (value != null) {
+            Map<String, String> backgroundStyles = CSSUtils.processBackground(value);
+            backgroundRules.putAll(backgroundStyles);
+        }
+        value = props.getLastChainProperty("background-color");
+        if (value != null) {
+            backgroundRules.put("background-color", value);
+        }
+        value = props.getLastChainProperty("background-position");
+        if (value != null) {
+            backgroundRules.put("background-position", value);
+        }
+        value = props.getLastChainProperty("background-repeat");
+        if (value != null) {
+            backgroundRules.put("background-repeat", value);
+        }
+        value = props.getLastChainProperty("background-image");
+        if (value != null) {
+            backgroundRules.put("background-image", value);
+        }
+        return backgroundRules;
+    }
+}

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

@@ -47,6 +47,7 @@
 
 package com.fr.third.v2.lowagie.text.html.simpleparser;
 
+import com.fr.third.v2.lowagie.text.html.Utils.BackgroundUtil;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
@@ -117,37 +118,7 @@ public class IncCell implements TextElementArray {
             cell.setStyleHeight(CSSUtils.parseFloat(value));
         }
         //解析background相关属性并保存到cell对象
-        Map<String, String> backgroundRules = new HashMap<String, String>();
-        value = props.getProperty("bgcolor");
-        if (value != null) {
-            backgroundRules.put("background-color", value);
-        }
-        value = props.getLastChainProperty("background-size");
-        if (value != null) {
-            backgroundRules.put("background-size", value);
-        }
-        value = props.getLastChainProperty("background");
-        if (value != null) {
-            Map<String, String> backgroundStyles = CSSUtils.processBackground(value);
-            backgroundRules.putAll(backgroundStyles);
-        }
-        value = props.getLastChainProperty("background-color");
-        if (value != null) {
-            backgroundRules.put("background-color", value);
-        }
-        value = props.getLastChainProperty("background-position");
-        if (value != null) {
-            backgroundRules.put("background-position", value);
-        }
-        value = props.getLastChainProperty("background-repeat");
-        if (value != null) {
-            backgroundRules.put("background-repeat", value);
-        }
-        value = props.getLastChainProperty("background-image");
-        if (value != null) {
-            backgroundRules.put("background-image", value);
-        }
-        cell.setBackground(backgroundRules);
+        cell.setBackground(BackgroundUtil.parse2RulesMap(props));
     }
 
     public boolean add(Object o) {

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

@@ -47,6 +47,8 @@
 
 package com.fr.third.v2.lowagie.text.html.simpleparser;
 
+import com.fr.third.v2.lowagie.text.html.HtmlTags;
+import com.fr.third.v2.lowagie.text.html.Utils.BackgroundUtil;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -174,12 +176,12 @@ public class IncTable {
         }
         for (int rowIndex = 0; rowIndex < rows.size(); rowIndex++) {
             ArrayList cols = (ArrayList) rows.get(rowIndex);
-            for (int colIndex = 0; colIndex < cols.size(); colIndex++) {
+            int colSpan = 1;
+            for (int colIndex = 0; colIndex < cols.size(); colIndex+=colSpan) {
                 PdfPCell pCell = ((PdfPCell) cols.get(colIndex));
-
-                int cellCols = pCell.getColspan();
-                float avgWidth = pCell.getStyleWidth() / cellCols;
-                for (int i = 0; i < cellCols && colIndex + i < colCount; i++) {
+                colSpan = pCell.getColspan();
+                float avgWidth = pCell.getStyleWidth() / colSpan;
+                for (int i = 0; i < colSpan && colIndex + i < colCount; i++) {
                     if (relativeColWidths.get(colIndex + i) < avgWidth) {
                         relativeColWidths.set(colIndex + i, avgWidth);
                     }
@@ -271,6 +273,11 @@ public class IncTable {
         if(value != null){
             borderStyle.setBorderColor(Markup.decodeColor(value));
         }
+        value = (String) props.get("bordercolor");
+        if (value != null) {
+            borderStyle.setBorderColor(Markup.decodeColor(value));
+        }
+
         value = (String)props.get("border-collapse");
         if(value != null){
             tableProperties.setCollapse(value.equals("collapse"));
@@ -283,6 +290,10 @@ public class IncTable {
         if(value != null){
             tableProperties.setCellpadding(CSSUtils.parseFloat(value));
         }
+        ChainedProperties properties = new ChainedProperties();
+        properties.addToChain(HtmlTags.TABLE, props);
+        //解析background相关属性
+        tableProperties.setBackground(BackgroundUtil.parse2RulesMap(properties));
         return tableProperties;
     }
 }

fine-itext/src/com/fr/third/v2/lowagie/text/pdf/PdfPTable.java

@@ -350,8 +350,7 @@ public class PdfPTable implements LargeElement {
             return;
         float total = 0;
         int numCols = getNumberOfColumns();
-        BorderStyle borderStyle = tableProperties.getBorderStyle();
-        float borderWidth = tableProperties.isCollapse() ? borderStyle.getBorderWidth() / 2 : borderStyle.getBorderWidth();
+        float borderWidth = tableProperties.getBorderWidth();
         float cellspacing = tableProperties.getCellspacing();
         float cellpadding = tableProperties.getCellpadding();
         for (int k = 0; k < numCols; ++k)
@@ -435,8 +434,7 @@ public class PdfPTable implements LargeElement {
         if (totalWidth <= 0)
             return 0;
         totalHeight = 0;
-        BorderStyle borderStyle = tableProperties.getBorderStyle();
-        float borderWidth = tableProperties.isCollapse() ? borderStyle.getBorderWidth() / 2 : borderStyle.getBorderWidth();
+        float borderWidth = tableProperties.getBorderWidth();
         float cellspacing = tableProperties.getCellspacing();
         float cellpadding = tableProperties.getCellpadding();
         for (int k = 0; k < rows.size(); ++k) {

fine-itext/src/com/fr/third/v2/lowagie/text/pdf/TableProperties.java

@@ -1,5 +1,7 @@
 package com.fr.third.v2.lowagie.text.pdf;
 
+import java.util.Map;
+
 /**
  * 描述table的属性类
  * 包括cellspacing、cellpadding、border等
@@ -9,11 +11,16 @@ public class TableProperties {
     private float cellspacing = 2.0f;
     private float cellpadding = 1.0f;
     private boolean collapse = false;
+    public Map<String, String> background;
 
     public BorderStyle getBorderStyle() {
         return borderStyle;
     }
 
+    public float getBorderWidth() {
+        return 0 == getCellspacing() ? borderStyle.getBorderWidth() / 2 : borderStyle.getBorderWidth();
+    }
+
     public void setBorderStyle(BorderStyle borderStyle) {
         this.borderStyle = borderStyle;
     }
@@ -42,6 +49,14 @@ public class TableProperties {
         this.collapse = collapse;
     }
 
+    public Map<String, String>  getBackground() {
+        return background;
+    }
+
+    public void setBackground(Map<String, String>  background) {
+        this.background = background;
+    }
+
     public String toHtmlString(){
         StringBuffer sb = new StringBuffer();
         if(!isCollapse()){