Solution to the problem that the Android version of the browser does not support direct opening of documents

 HttpServletRequest req = ServletAction Context.getRequest();
          
String userAgent=req.getHeader("User-Agent");//里面包含了设备类型

/**
	 * 从OA上抓取文件
	 * author  牟云飞
	 * company 海颐软件股份有限公司
	 * tel     15562579597
	 * qq      1147417467
	 * team    客服产品中心/于洋
	 * @return
	 */
	public String getFileFromOa(){	
		
		HttpServletRequest req = ServletActionContext.getRequest();
		String userAgent=req.getHeader("User-Agent");//里面包含了设备类型
		if(-1!=userAgent.indexOf("iPhone")){
			//-----------------//
			//此方法需要浏览器自己能够打开，ios可以但是微信andriod版内置浏览器不支持
			//-----------------//
			//如果是苹果手机
			//获得文件地址
			 String fileUrl = ServletActionContext.getRequest().getParameter("fileUrl");
			 fileUrl.replaceAll("%20", "\\+");//转换加号
			 String strURL = MessageUtil.oaUrl+fileUrl;
			 String fileType=strURL.substring(strURL.lastIndexOf(".")+1,strURL.length());
			//获得图片的数据流
			try {
				URL oaUrl = new URL(strURL);
				HttpURLConnection httpConn = (HttpURLConnection) oaUrl.openConnection();
				InputStream in = httpConn.getInputStream();
				//获取输出流
				HttpServletResponse response = ServletActionContext.getResponse();
				req.setCharacterEncoding("UTF-8");
				response.setCharacterEncoding("UTF-8");
				String name=fileUrl.substring(fileUrl.lastIndexOf("/")+1, fileUrl.length());
	
				response.setHeader("Content-Disposition",  
					                   "attachment;filename=" +  
					                		   new String( (name ).getBytes(),  
						                                "iso-8859-1"));
				if("doc".equals(fileType)||"docx".equals(fileType)){
					response.setContentType("application/msword");
				}else if("xls".equals(fileType)||"xlsx".equals(fileType)){
					response.setContentType("application/msexcel"); 
				}else{
					response.setContentType("application/"+fileType);
				}
				OutputStream out = response.getOutputStream();
				//输出图片信息
				byte[] bytes = new byte[1024];  
				int cnt=0;  
				while ((cnt=in.read(bytes,0,bytes.length)) != -1) {  
					out.write(bytes, 0, cnt);  
				}  
				out.flush();
				out.close();
				in.close();
	
			} catch (MalformedURLException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return null;
		}else{
			//如果非苹果手机，自己处理文档
			
			//获得文件地址
			String fileUrl = ServletActionContext.getRequest().getParameter("fileUrl");
						
			fileUrl.replaceAll("%2B", "\\+");//转换加号
			String strURL = MessageUtil.oaUrl+fileUrl;
			//在本地存放OA文件，然后转换成html，再对文档中的图片路径进行修改，最后输出到页面
			try {
				URL oaUrl = new URL(strURL);
				HttpURLConnection httpConn = (HttpURLConnection) oaUrl.openConnection();
				InputStream in = httpConn.getInputStream();
				//获取输出流
				HttpServletResponse response = ServletActionContext.getResponse();
				req.setCharacterEncoding("UTF-8");
				response.setCharacterEncoding("UTF-8");
				String name=fileUrl.substring(fileUrl.lastIndexOf("/")+1, fileUrl.length());
				
				//首先判断本地是否存在
				String path=req.getRealPath("");
				path=path.substring(0, path.lastIndexOf("\\")+1);
				File htmlFile=new File(path +  "OaFileToHtml\\"+name+".html");
				if(!htmlFile.exists()){
					//判断文件夹是否存在，创建文件夹
					String oaFilePath=path + "OaFile";//存放OA文档的文件夹路径;
					File oaFiles=new File(oaFilePath);
					if(!oaFiles.exists()){
						//如果文件夹不存在创建文件夹
						oaFiles.mkdirs();
					}
					//将OA消息存入本地
					File oafile=new File(oaFiles+ File.separator +name);
					OutputStream out = new FileOutputStream(oafile);
					//输出图片信息
					byte[] bytes = new byte[1024];  
					int cnt=0;  
					while ((cnt=in.read(bytes,0,bytes.length)) != -1) {  
						out.write(bytes, 0, cnt);  
					}  
					out.flush();
					out.close();
					in.close();
					//转换成html
					String htmlFilePath =path + "OaFileToHtml";//OA文件转成html的位置
					String htmlcontext=ConvertFileToHtml.toHtmlString(oafile, htmlFilePath);
					req.setAttribute("htmlcontext", htmlcontext);
				}else{
					//已经存在转换成功的文档
					StringBuffer htmlSb = new StringBuffer();
					try {
						BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(htmlFile),Charset.forName("gb2312")));
						while (br.ready()) {
							htmlSb.append(br.readLine());
						}
						br.close();
					} catch (FileNotFoundException e) {
						e.printStackTrace();
					} catch (IOException e) {
						e.printStackTrace();
					}
					// HTML文件字符串
					String htmlStr = htmlSb.toString();
					//System.out.println("htmlStr=" + htmlStr);
					// 返回经过清洁的html文本
					req.setAttribute("htmlcontext", ConvertFileToHtml.clearFormat(htmlStr, ""));
				}
				
			} catch (MalformedURLException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return "lookfile";
		}
		
	}

package com.haiyisoft.wx.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.ConnectException;
import java.nio.charset.Charset;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.artofsolving.jodconverter.DocumentConverter;
import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeConnection;
import com.artofsolving.jodconverter.openoffice.connection.SocketOpenOfficeConnection;
import com.artofsolving.jodconverter.openoffice.converter.OpenOfficeDocumentConverter;

/**
 * * 端口启动命令：
 * soffice -headless -accept="socket,port=8100;urp;
 *
 * 
 * author  牟云飞
 * company 海颐软件股份有限公司
 * tel     15562579597
 * qq      1147417467
 * team    客服产品中心/于洋
 * 
 */
public class ConvertFileToHtml {
	/**
	 * 将word文档转换成html文档
	 * @param docFile   需要转换的word文档
	 * @param filepath  转换之后html的存放路径
	 * @return 转换之后的html文件
	 */
	public static File convert(File docFile, String filepath) {

		// 创建保存html的文件
		String fileName=docFile.getName();
		File htmlFile = new File(filepath + "/" + fileName + ".html");
		// 创建Openoffice连接
		OpenOfficeConnection con = new SocketOpenOfficeConnection(8100);
		try {
			// 连接
			con.connect();
		} catch (ConnectException e) {
			System.out.println("获取OpenOffice连接失败...");
			e.printStackTrace();
		}
		
		// 创建转换器
		DocumentConverter converter = new OpenOfficeDocumentConverter(con);
		// 转换文档问html
		converter.convert(docFile, htmlFile);
		// 关闭openoffice连接
		con.disconnect();
		return htmlFile;
	}

	/**
	 * 
	 * 将word转换成html文件，并且获取html文件代码。
	 * @param docFile  需要转换的文档
	 * @param filepath  文档中图片的保存位置
	 * @return 转换成功的html代码
	 */
	public static String toHtmlString(File docFile, String filepath) {
		// 转换word文档
		File htmlFile = convert(docFile, filepath);
		System.out.println(htmlFile.getAbsolutePath());
		// 获取html文件流
		StringBuffer htmlSb = new StringBuffer();
		try {
			BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(htmlFile),Charset.forName("gb2312")));
			while (br.ready()) {
				htmlSb.append(br.readLine());
			}
			br.close();
			// 删除临时文件
			//htmlFile.delete();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		// HTML文件字符串
		String htmlStr = htmlSb.toString();
		//System.out.println("htmlStr=" + htmlStr);
		// 返回经过清洁的html文本
		return clearFormat(htmlStr, filepath);
	}

	/**
	 * 
	 * 清除一些不需要的html标记
	*/

	public static String clearFormat(String htmlStr, String docImgPath) {

		// 获取body内容的正则
		String bodyReg = "<BODY .*</BODY>";
		Pattern bodyPattern = Pattern.compile(bodyReg);
		Matcher bodyMatcher = bodyPattern.matcher(htmlStr);
		if (bodyMatcher.find()) {
			// 获取BODY内容，并转化BODY标签为p
			htmlStr = bodyMatcher.group().replaceFirst("<BODY", "<p").replaceAll("</BODY>", "</p>");
		}

		// 调整图片地址,这里将图片路径改为网络路径
		
		htmlStr = htmlStr.replaceAll("<IMG SRC=\"../","<IMG SRC=\"" + MessageUtil.webUrl+"/******.do?action=***);
		//特殊处理一下+号，因为网络传输+会变成空格，用%2B替换+号
		String temp1=htmlStr.substring(htmlStr.indexOf("action=***"), htmlStr.length());
		String temp2=temp1.substring(0,temp1.indexOf("."));
		String temp3=temp2.replaceAll("\\+", "%2B");
		htmlStr=htmlStr.substring(0,htmlStr.indexOf("action=***"))+temp3+temp1.substring(temp1.indexOf("."), temp1.length());
		
		// 把<P></P>转换成</p></p>保留样式
		// content = content.replaceAll("(<P)([^>]*>.*?)(<\\/P>)",
		// "<p$2</p>");
		// 把<P></P>转换成</p></p>并删除样式
		htmlStr = htmlStr.replaceAll("(<P)([^>]*)(>.*?)(<\\/P>)", "<p$3</p>");
		// 删除不需要的标签
		htmlStr = htmlStr.replaceAll("<[/]?(font|FONT|span|SPAN|xml|XML|del|DEL|ins|INS|meta|META|[ovwxpOVWXP]:\\w+)[^>]*?>","");
		// 删除不需要的属性
		htmlStr = htmlStr.replaceAll("<([^>]*)(?:lang|LANG|class|CLASS|style|STYLE|size|SIZE|face|FACE|[ovwxpOVWXP]:\\w+)=(?:&#39;[^&#39;]*&#39;|\"\"[^\"\"]*\"\"|[^>]+)([^>]*)>","<$1$2>");

		return htmlStr;

	}
}