poi笔记

淡淡的烟草味﹌ 2023-02-15 12:54 8阅读 0赞

### 文章目录 ###

*  poi笔记
 *   *  2020.06.05
     *   *  word转html
     *  2020.06.08
     *   *  pdf转html
         *  正则替换html中的内容

# poi笔记 #

## 2020.06.05 ##

### word转html ###

*  [doc转html（简单spire.jar工具类）][doc_html_spire.jar]

//导入依赖
     <dependency>
                <groupId> e-iceblue </groupId>
                <artifactId>spire.doc</artifactId>
                <version>3.5.5</version>
            </dependency>

//创建document对象
    		Document doc = new Document();
            //加载Word文档
            doc.loadFromFile("E:\\documentPath\\upload\\那些年spark踩过的坑.docx");
            //将Word保存为HTML格式
            doc.saveToFile("E:\\documentPath\\upload\\那些年spark踩过的坑.html", FileFormat.Html);

*  [word转html（复杂）][word_html]

## 2020.06.08 ##

### pdf转html ###

*  [pdf转html（简单spire.jar）][pdf_html_spire.jar]
 *  [pdf转html 所需maven依赖][pdf_html _maven]

//加载PDF
    PdfDocument pdf = new PdfDocument();
    pdf.loadFromFile("Input.pdf");
    pdf.saveToFile("ToHTML.html", FileFormat.HTML);

*  [pdf转html（稍微复杂）][pdf_html]

### 正则替换html中的内容 ###

/** * 文件转化为html * @param fileName * @return */
        public String getHtmlByHight(String fileName,String key) throws Exception { 
    
    
            // filePath 要读取的文件 savePath 要写入的文件
            BufferedReader br = null;
            BufferedWriter bw = null;
    
            try { 
                // 以下读取和写入都转成UTF-8 防止乱码
                br = new BufferedReader(new InputStreamReader(new FileInputStream(documentPath + fileName), "UTF-8"));
                bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(documentPath + "hight_" + fileName), "UTF-8"));
                String line = null;
                while ((line = br.readLine()) != null && (line != "")) { 
    // bw.write(line.replaceAll("id=\"\\S+\"", ""));
                    bw.write(line.replaceAll("欢迎", "<span style=\"color:red;\">欢迎</span>")
                    .replaceAll("Evaluation Warning: The document was created with Spire.Doc for JAVA.",""));
                }
                bw.flush();
            } catch (Exception e) { 
                e.printStackTrace();
            } finally { 
                try { 
                    if (br != null){ 
                        br.close();
                    }
                    if (bw != null){ 
                        bw.close();
                    }
                } catch (Exception e) { 
                    e.printStackTrace();
                }
            }
            return null;
        }

[doc_html_spire.jar]: https://www.e-iceblue.cn/spiredocforjavaconversion/convert-word-to-png-in-java.html
[word_html]: https://blog.csdn.net/tongkp/article/details/102586493
[pdf_html_spire.jar]: https://blog.csdn.net/Eiceblue/article/details/85340547?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-7.nonecase&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-7.nonecase
[pdf_html _maven]: https://www.e-iceblue.cn/Downloads/Free-Spire-PDF-JAVA.html
[pdf_html]: https://blog.csdn.net/qq_34719291/article/details/75589024?utm_medium=distribute.pc_relevant.none-task-blog-baidujs-1