最近在项目开发中用户提出要在电脑上没有装office时在浏览器中打开html">word文件，最后确定的逻辑：用户选择想要查看的文件，页面js判断文件是否为word。不是执行下载，是后端根据word文件后缀访问对应转换方法。文件已存在对应html文件直接返回html文件地址，不存在先生成对应html文件再返回地址。js直接通过open()打开新的页签，展示word文件内容。新人一枚，如果代码中存在错误或有更好的实现万望指正！
相关jar包
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import java.io.bytearrayoutputstream;
import java.io.file;
import java.io.fileinputstream;
import java.io.filenotfoundexception;
import java.io.fileoutputstream;
import java.io.ioexception;
import java.io.inputstream;
import java.io.outputstream;
import javax.xml.parsers.documentbuilderfactory;
import javax.xml.parsers.parserconfigurationexception;
import javax.xml.transform.outputkeys;
import javax.xml.transform.transformer;
import javax.xml.transform.transformerexception;
import javax.xml.transform.transformerfactory;
import javax.xml.transform.dom.domsource;
import javax.xml.transform.stream.streamresult;
import org.apache.poi.hwpf.hwpfdocument;
import org.apache.poi.hwpf.converter.picturesmanager;
import org.apache.poi.hwpf.converter.wordtohtmlconverter;
import org.apache.poi.hwpf.usermodel.picturetype;
import org.apache.poi.xwpf.converter.core.basicuriresolver;
import org.apache.poi.xwpf.converter.core.fileimageextractor;
import org.apache.poi.xwpf.converter.core.fileuriresolver;
import org.apache.poi.xwpf.converter.xhtml.xhtmlconverter;
import org.apache.poi.xwpf.converter.xhtml.xhtmloptions;
import org.apache.poi.xwpf.usermodel.xwpfdocument;
import org.w3c.dom.document;
/**
* word 转换成html 2017-2-27
*/
public class wordtohtml {
/**
* 将word2003转换为html文件 2017-2-27
* @param wordpath word文件路径
* @param wordname word文件名称无后缀
* @param suffix word文件后缀
* @throws ioexception
* @throws transformerexception
* @throws parserconfigurationexception
*/
public string word2003tohtml(string wordpath,string wordname,string suffix) throws ioexception, transformerexception, parserconfigurationexception {
string htmlpath = wordpath + file.separator + wordname + "_show" + file.separator;
string htmlname = wordname + ".html";
final string imagepath = htmlpath + "image" + file.separator;
//判断html文件是否存在
file htmlfile = new file(htmlpath + htmlname);
if(htmlfile.exists()){
return htmlfile.getabsolutepath();
}
//原word文档
final string file = wordpath + file.separator + wordname + suffix;
inputstream input = new fileinputstream(new file(file));
hwpfdocument worddocument = new hwpfdocument(input);
wordtohtmlconverter wordtohtmlconverter = new wordtohtmlconverter(documentbuilderfactory.newinstance().newdocumentbuilder().newdocument());
//设置图片存放的位置
wordtohtmlconverter.setpicturesmanager(new picturesmanager() {
public string savepicture(byte[] content, picturetype picturetype, string suggestedname, float widthinches, float heightinches) {
file imgpath = new file(imagepath);
if(!imgpath.exists()){//图片目录不存在则创建
imgpath.mkdirs();
}
file file = new file(imagepath + suggestedname);
try {
outputstream os = new fileoutputstream(file);
os.write(content);
os.close();
} catch (filenotfoundexception e) {
e.printstacktrace();
} catch (ioexception e) {
e.printstacktrace();
}
//图片在html文件上的路径 相对路径
return "image/" + suggestedname;
}
});
//解析word文档
wordtohtmlconverter.processdocument(worddocument);
document htmldocument = wordtohtmlconverter.getdocument();
//生成html文件上级文件夹
file folder = new file(htmlpath);
if(!folder.exists()){
folder.mkdirs();
}
//生成html文件地址
outputstream outstream = new fileoutputstream(htmlfile);
domsource domsource = new domsource(htmldocument);
streamresult streamresult = new streamresult(outstream);
transformerfactory factory = transformerfactory.newinstance();
transformer serializer = factory.newtransformer();
serializer.setoutputproperty(outputkeys.encoding, "utf-8");
serializer.setoutputproperty(outputkeys.indent, "yes");
serializer.setoutputproperty(outputkeys.method, "html");
serializer.transform(domsource, streamresult);
outstream.close();
return htmlfile.getabsolutepath();
}
/**
* 2007版本word转换成html 2017-2-27
* @param wordpath word文件路径
* @param wordname word文件名称无后缀
* @param suffix word文件后缀
* @return
* @throws ioexception
*/
public string word2007tohtml(string wordpath,string wordname,string suffix) throws ioexception {
string htmlpath = wordpath + file.separator + wordname + "_show" + file.separator;
string htmlname = wordname + ".html";
string imagepath = htmlpath + "image" + file.separator;
//判断html文件是否存在
file htmlfile = new file(htmlpath + htmlname);
if(htmlfile.exists()){
return htmlfile.getabsolutepath();
}
//word文件
file wordfile = new file(wordpath + file.separator + wordname + suffix);
// 1) 加载word文档生成 xwpfdocument对象
inputstream in = new fileinputstream(wordfile);
xwpfdocument document = new xwpfdocument(in);
// 2) 解析 xhtml配置 (这里设置iuriresolver来设置图片存放的目录)
file imgfolder = new file(imagepath);
xhtmloptions options = xhtmloptions.create();
options.setextractor(new fileimageextractor(imgfolder));
//html中图片的路径 相对路径
options.uriresolver(new basicuriresolver("image"));
options.setignorestylesifunused(false);
options.setfragment(true);
// 3) 将 xwpfdocument转换成xhtml
//生成html文件上级文件夹
file folder = new file(htmlpath);
if(!folder.exists()){
folder.mkdirs();
}
outputstream out = new fileoutputstream(htmlfile);
xhtmlconverter.getinstance().convert(document, out, options);
return htmlfile.getabsolutepath();
}
}
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