java工具类mht转html格式文件 及简单的HTML解析

package com.szy.project.utils;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import java.util.Enumeration;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

/**
* 转换工具      ----------    需要引入第三方依赖  javaMail转换格式      和  jsoup解析HTML
* jsoup  文档地址 ：http://www.open-open.com/jsoup/parse-document-from-string.htm
* 将mht 转化成  HTML
* @author 隔壁老王
*
*/
public class Mht2HtmlUtil {

public static void main(String[] args) throws IOException {
/**
*  转换
*/
//mht2html("f:\\job_111.mht", "f:\\test.htm");

/**
*  获取姓名和性别
*/
String nameAndSex = Mht2HtmlUtil.findResultValue("f:\\test.htm", "li", "info_name");

String tmpString = nameAndSex.replaceAll("(?i)[^a-zA-Z0-9\u4E00-\u9FA5]", "");// 去掉所有中英文符号
char[] carr = tmpString.toCharArray();
for (int i = 0; i < tmpString.length(); i++) {
if (carr[i] < 0xFF) {
carr[i] = ' ';// 过滤掉非汉字内容
}
}
System.out.println(tmpString.substring(0, tmpString.length()-1)); //姓名
System.out.println(tmpString.substring(tmpString.length()-1)); //性别

/**
* 获取教育经历
*/
File htmlf=new File("f:\\test.htm");
Document doc=Jsoup.parse(htmlf, "UTF-8");
String ss=doc.body().toString();
//class等于masthead的li标签
Object[] aa= doc.select("div.detaile_box").toArray();
for (int i = 0; i < aa.length; i++) {
if(i==3){
String strtext = aa[i].toString();
Document docs = Jsoup.parse(strtext);
Object[] bb= docs.select("b.edu_main_sch").toArray();
for (int j = 0; j < bb.length; j++) {
String tt = bb[j].toString();
Document doct = Jsoup.parse(tt);
String result = doct.select("b.edu_main_sch").text();
String a=result.substring(0, result.indexOf("|")).trim();
String b=result.substring(result.lastIndexOf("|")+1, result.length()).trim();
System.out.println(a+"    "+b);  //毕业院校加学历

}
}

}

}

/**
* 解析标签  获取标签值
* @param htmlFilePath          文件路径
* @param lableName              标签名称
* @param onClassName            标签名称
* @return
* @throws IOException
*/
public static String findResultValue(String htmlFilePath , String lableName , String onClassName) throws IOException{
File htmlf=new File(htmlFilePath);
Document doc=Jsoup.parse(htmlf, "UTF-8");
String bodyText=doc.body().toString();  // 获取文件文本信息
//class等于onClassName的lableName标签
String  resultValue = doc.select(lableName+"."+onClassName).first().text();

return resultValue;
}

/**
* 解析标签结果返回多个值
* @param htmlFilePath          文件路径
* @param lableName              标签名称
* @param onClassName            标签名称
* @return
* @throws IOException
*/
public static Object[]  findResultValueToArray (String htmlFilePath , String lableName , String onClassName) throws IOException{
File htmlf=new File(htmlFilePath);
Document doc=Jsoup.parse(htmlf, "UTF-8");
String bodyText=doc.body().toString();  // 获取文件文本信息
return doc.select(lableName+"."+onClassName).toArray();
}

/**
* 将 mht文件转换成 html文件
*
* @param s_SrcMht      // mht 文件的位置
* @param s_DescHtml    // 转换后输出的HTML的位置
*/
public static void mht2html(String srcMht, String descHtml) {
try {
InputStream fis = new FileInputStream(srcMht);
Session mailSession = Session.getDefaultInstance(
System.getProperties(), null);
MimeMessage msg = new MimeMessage(mailSession, fis);
Object content = msg.getContent();
if (content instanceof Multipart) {
MimeMultipart mp = (MimeMultipart) content;
MimeBodyPart bp1 = (MimeBodyPart) mp.getBodyPart(0);

// 获取mht文件内容代码的编码
String strEncodng = getEncoding(bp1);

// 获取mht文件的内容
String strText = getHtmlText(bp1, strEncodng);
if (strText == null)
return;

/**
*  创建以mht文件名称的文件夹，主要用来保存资源文件。  这里不需要所以注释掉了
*/
/*                File parent = null;
if (mp.getCount() > 1) {
parent = new File(new File(descHtml).getAbsolutePath()
+ ".files");
parent.mkdirs();
if (!parent.exists()) { // 创建文件夹失败的话则退出
return;
}
}*/

/**
*  FOR中代码 主要是保存资源文件及替换路径    这里不需要所以注释掉了
*/
/*                for (int i = 1; i < mp.getCount(); ++i) {
MimeBodyPart bp = (MimeBodyPart) mp.getBodyPart(i);
// 获取资源文件的路径
// 例（获取： http://xxx.com/abc.jpg） String strUrl = getResourcesUrl(bp);
if (strUrl == null || strUrl.length() == 0)
continue;

DataHandler dataHandler = bp.getDataHandler();
MimePartDataSource source = (MimePartDataSource) dataHandler
.getDataSource();

// 获取资源文件的绝对路径
String FilePath = parent.getAbsolutePath() + File.separator
+ getName(strUrl, i);
File resources = new File(FilePath);

// 保存资源文件
if (SaveResourcesFile(resources, bp.getInputStream())) {
// 将远程地址替换为本地地址 如图片、JS、CSS样式等等
strText = strText.replace(strUrl,
resources.getAbsolutePath());
}
}*/

// 最后保存HTML文件
SaveHtml(strText, descHtml, strEncodng);
}
} catch (Exception e) {
e.printStackTrace();
}
}

/**
* 获取mht文件内容中资源文件的名称
*
* @param strName
* @param ID
* @return
*/
public static String getName(String strName, int ID) {
char separator1 = '/';
char separator2 = '\\';
// 将换行替换
strName = strName.replaceAll("\r\n", "");

// 获取文件名称
if (strName.lastIndexOf(separator1) >= 0) {
return strName.substring(strName.lastIndexOf(separator1) + 1);
}
if (strName.lastIndexOf(separator2) >= 0) {
return strName.substring(strName.lastIndexOf(separator2) + 1);
}
return "";
}

/**
* 将提取出来的html内容写入保存的路径中。
*
* @param strText
* @param strHtml
* @param strEncodng
*/
public static boolean SaveHtml(String s_HtmlTxt, String s_HtmlPath,
String s_Encode) {
try {
Writer out = null;
out = new OutputStreamWriter(
new FileOutputStream(s_HtmlPath, false), s_Encode);
out.write(s_HtmlTxt);
out.close();
} catch (Exception e) {
return false;
}
return true;
}

/**
* 保存网页中的JS、图片、CSS样式等资源文件
*
* @param SrcFile
*            源文件
* @param inputStream
*            输入流
* @return
*/
private static boolean SaveResourcesFile(File SrcFile,
InputStream inputStream) {
if (SrcFile == null || inputStream == null) {
return false;
}

BufferedInputStream in = null;
FileOutputStream fio = null;
BufferedOutputStream osw = null;
try {
in = new BufferedInputStream(inputStream);
fio = new FileOutputStream(SrcFile);
osw = new BufferedOutputStream(new DataOutputStream(fio));
int index = 0;
byte[] a = new byte[1024];
while ((index = in.read(a)) != -1) {
osw.write(a, 0, index);
}
osw.flush();
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
} finally {
try {
if (osw != null)
osw.close();
if (fio != null)
fio.close();
if (in != null)
in.close();
if (inputStream != null)
inputStream.close();
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
}

/**
* 获取mht文件里资源文件的URL路径
*
* @param bp
* @return
*/
private static String getResourcesUrl(MimeBodyPart bp) {
if (bp == null) {
return null;
}
try {
Enumeration list = bp.getAllHeaders();
while (list.hasMoreElements()) {
javax.mail.Header head = (javax.mail.Header) list.nextElement();
if (head.getName().compareTo("Content-Location") == 0) {
return head.getValue();
}
}
return null;
} catch (MessagingException e) {
return null;
}
}

/**
* 获取mht文件中的内容代码
*
* @param bp
* @param strEncoding
*            该mht文件的编码
* @return
*/
private static String getHtmlText(MimeBodyPart bp, String strEncoding) {
InputStream textStream = null;
BufferedInputStream buff = null;
BufferedReader br = null;
Reader r = null;
try {
textStream = bp.getInputStream();
buff = new BufferedInputStream(textStream);
r = new InputStreamReader(buff, strEncoding);
br = new BufferedReader(r);
StringBuffer strHtml = new StringBuffer("");
String strLine = null;
while ((strLine = br.readLine()) != null) {
System.out.println(strLine);
strHtml.append(strLine + "\r\n");
}
br.close();
r.close();
textStream.close();
return strHtml.toString();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (br != null)
br.close();
if (buff != null)
buff.close();
if (textStream != null)
textStream.close();
} catch (Exception e) {
}
}
return null;
}

/**
* 获取mht网页文件中内容代码的编码
*
* @param bp
* @return
*/
private static String getEncoding(MimeBodyPart bp) {
if (bp == null) {
return null;
}
try {
Enumeration list = bp.getAllHeaders();
while (list.hasMoreElements()) {
javax.mail.Header head = (javax.mail.Header) list.nextElement();
if (head.getName().equalsIgnoreCase("Content-Type")) {
String strType = head.getValue();
int pos = strType.indexOf("charset=");
if (pos >= 0) {
String strEncoding = strType.substring(pos + 8,
strType.length());
if (strEncoding.startsWith("\"")
|| strEncoding.startsWith("\'")) {
strEncoding = strEncoding.substring(1,
strEncoding.length());
}
if (strEncoding.endsWith("\"")
|| strEncoding.endsWith("\'")) {
strEncoding = strEncoding.substring(0,
strEncoding.length() - 1);
}
if (strEncoding.toLowerCase().compareTo("gb2312") == 0) {
strEncoding = "gbk";
}
return strEncoding;
}
}
}
} catch (MessagingException e) {
e.printStackTrace();
}
return null;
}

/**
* 删除指定文件
* @param filePath  文件路径
* @param fileName  文件名称
* @param layout    文件格式
*/
public static void deleteFileName(String filePath , String fileName , String layout){

File folder = new File(filePath);
String fileNameOnLayout=fileName+"."+layout;
File[] files = folder.listFiles(); //获取该文件夹下的所有文件
for(File file:files){
if(file.getName().equals(fileNameOnLayout)){
file.delete();
}
}

}

}

<!-- https://mvnrepository.com/artifact/javax.mail/mail -->
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.7</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.jsoup/jsoup -->
<dependency>
<groupId>org.jsoup</groupId>
<artifactId>jsoup</artifactId>
<version>1.10.1</version>
</dependency>