添加 word 模板生成文件功能（只支持2007以后版本）

Author: topcatv

pom.xml

@@ -44,6 +44,30 @@
             <scope>provided</scope>
         </dependency>
 
+        <!-- POI核心依赖 -->
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi</artifactId>
+            <version>3.7</version>
+        </dependency>
+        <!-- 为POI支持Office Open XML -->
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml</artifactId>
+            <version>3.7</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml-schemas</artifactId>
+            <version>3.7</version>
+        </dependency>
+        <!-- 支持Word文档的操作 -->
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-scratchpad</artifactId>
+            <version>3.7</version>
+        </dependency>
+
         <dependency>
             <groupId>commons-lang</groupId>
             <artifactId>commons-lang</artifactId>

src/main/java/org/topcat/docserver/PoiWordTemplate.java

@@ -0,0 +1,76 @@
+package org.topcat.docserver;
+
+import org.apache.poi.xwpf.extractor.XWPFWordExtractor;
+import org.apache.poi.xwpf.usermodel.*;
+import org.springframework.util.CollectionUtils;
+
+import java.io.*;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Created by topcat on 2016/11/21.
+ */
+public class PoiWordTemplate implements WordTemplate {
+    ;
+
+    @Override
+    public void fromTemplate(InputStream input, OutputStream output, Map<String, String> context) {
+        if (CollectionUtils.isEmpty(context) || input == null || output == null) {
+            return;
+        }
+        Set<String> keySet = context.keySet();
+        try {
+            XWPFDocument doc = new XWPFDocument(input);
+            for (XWPFParagraph p : doc.getParagraphs()) {
+                List<XWPFRun> runs = p.getRuns();
+                if (runs != null) {
+                    for (XWPFRun r : runs) {
+                        String text = r.getText(0);
+                        for (String contextKey :
+                                keySet) {
+                            String key = String.format("$%s", contextKey);
+                            String value = context.get(contextKey);
+                            if (text != null && text.contains(key)) {
+                                text = text.replace(key, value);
+                                r.setText(text, 0);
+                            }
+                        }
+                    }
+                }
+            }
+            for (XWPFTable tbl : doc.getTables()) {
+                for (XWPFTableRow row : tbl.getRows()) {
+                    for (XWPFTableCell cell : row.getTableCells()) {
+                        for (XWPFParagraph p : cell.getParagraphs()) {
+                            for (XWPFRun r : p.getRuns()) {
+                                String text = r.getText(0);
+                                for (String contextKey :
+                                        keySet) {
+                                    String key = String.format("$%s", contextKey);
+                                    String value = context.get(contextKey);
+                                    if (text.contains(key)) {
+                                        text = text.replace(key, value);
+                                        r.setText(text);
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            doc.write(output);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+    public static void main(String[] args) throws FileNotFoundException {
+        Map<String, String> context = new HashMap<>();
+        context.put("name", "我");
+        new PoiWordTemplate().fromTemplate(new FileInputStream("/Users/topcat/Downloads/维护组关于各网站安全性加固方案（初稿）.docx"), new FileOutputStream("/Users/topcat/Downloads/output.docx"), context);
+    }
+}

src/main/java/org/topcat/docserver/WordTemplate.java

@@ -0,0 +1,13 @@
+package org.topcat.docserver;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Map;
+
+/**
+ * Created by topcat on 2016/11/21.
+ */
+public interface WordTemplate {
+
+    void fromTemplate(InputStream input, OutputStream output, Map<String, String> context);
+}