提交转义字符代码

cqb-comm-utils/src/main/java/com/qmth/cqb/utils/CommonUtils.java

@@ -1,461 +1,461 @@
-package com.qmth.cqb.utils;
-
-import java.io.*;
-import java.math.BigDecimal;
-import java.math.RoundingMode;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Properties;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import java.util.stream.Stream;
-
-import org.apache.commons.lang3.StringEscapeUtils;
-import org.apache.commons.lang3.StringUtils;
-import org.dom4j.Attribute;
-import org.dom4j.Document;
-import org.dom4j.DocumentException;
-import org.dom4j.DocumentHelper;
-import org.dom4j.Element;
-
-import cn.com.qmth.examcloud.common.dto.question.enums.QuesStructType;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Created by songyue on 16/12/27.
- */
-public final class CommonUtils {
-
-    private static final String COMMON_PROPERTIES = "common.properties";
-
-    private static final String[] CN_SMALL_NUM = { "零", "一", "二", "三", "四", "五", "六", "七", "八", "九" };
-
-    private static final String[] CN_BIG_NUM = { "十", "百", "千", "万", "十万", "百万", "千万", "亿", "十亿", "百亿", "千亿" };
-
-    public static final String PAPER_TITLE="中国石油大学";
-    public static final String PAPER_SUB_TITLE="网络教育";
-
-    private static final Logger log = LoggerFactory.getLogger(CommonUtils.class);
-
-    /**
-     * 加载properties配置文件
-     * 
-     * @param propertiesPath
-     * @return
-     */
-    public static Properties loadProperties(String propertiesPath) {
-        InputStream inputStream = null;
-        Properties properties = new Properties();
-        try {
-            inputStream = ClassLoader.getSystemResourceAsStream(propertiesPath);
-            BufferedReader bf = new BufferedReader(new InputStreamReader(inputStream));
-            properties.load(bf);
-        } catch (Exception e) {
-            log.error("加载配置异常:",e.getMessage());
-        }
-        return properties;
-    }
-
-    /**
-     * 记载通用配置文件
-     * 
-     * @return
-     */
-    public static Properties loadCommonProperties() {
-        return loadProperties(COMMON_PROPERTIES);
-    }
-
-    /**
-     * 获取临时文件夹根路径
-     * 
-     * @return
-     */
-    public static String getTmpRootPath() {
-        return (String) loadCommonProperties().get("tmp_root_path");
-    }
-
-    /**
-     * 获取当前日期字符串
-     * 
-     * @return
-     */
-    public static String getCurDate() {
-        return new SimpleDateFormat("yyyy-MM-dd").format(new Date());
-    }
-
-    /**
-     * 获取当前日期时间字符串
-     * 
-     * @return
-     */
-    public static String getCurDateTime() {
-        return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
-    }
-
-    /**
-     * 根据当前日期获取数字字符串
-     * 
-     * @return
-     */
-    public static String getCurNum() {
-        return new SimpleDateFormat("yyyyMMddHHmmssSSS").format(new Date());
-    }
-
-    /**
-     * 根据枚举名称获取枚举
-     * 
-     * @param clazz
-     * @param name
-     * @param <T>
-     * @return
-     */
-    public static <T> T getEnum(Class<T> clazz, String name) {
-        T[] enumConstants = clazz.getEnumConstants();
-        for (T _enum : enumConstants) {
-            if (_enum.toString().equals(name)) {
-                return _enum;
-            }
-        }
-        return null;
-    }
-
-    /**
-     * 校验题型
-     * 
-     * @param quesType
-     * @return
-     */
-    public static boolean checkQuesType(String quesType) {
-        return Stream.of(QuesStructType.values()).anyMatch(type -> type.getName().equals(quesType));
-    }
-
-    /**
-     * 获取中文数字
-     * 
-     * @param inputNum
-     * @return
-     */
-    public static String toCHNum(int inputNum) {
-        String resultNum = "";
-        String numStr = String.valueOf(inputNum);
-        int len = numStr.length();
-        for (int i = 0; i < len; i++) {
-            int tmpNum = numStr.charAt(i) - '0';
-            if (i != len - 1 && tmpNum != 0) {
-                resultNum += CN_SMALL_NUM[tmpNum] + CN_BIG_NUM[len - 2 - i];
-            } else {
-                resultNum += CN_SMALL_NUM[tmpNum];
-            }
-        }
-        if(resultNum.contains("零")){
-            resultNum = resultNum.replaceAll("零{1,}","零");
-        }
-        if(resultNum.endsWith("零")){
-            resultNum = resultNum.substring(0,resultNum.length()-1);
-        }
-        if(resultNum.startsWith("一十")){
-            resultNum = resultNum.replaceFirst("一十","十");
-        }
-        while(StringUtils.countMatches(resultNum,"万") > 1){
-            resultNum = resultNum.replaceFirst("万","");
-        }
-        while(StringUtils.countMatches(resultNum,"亿") > 1){
-            resultNum = resultNum.replaceFirst("亿","");
-        }
-        return resultNum;
-
-    }
-
-    /**
-     * iterator转List
-     * 
-     * @param <T>
-     * @param iterator
-     * @return
-     */
-    public static <T> List<T> toList(Iterable<T> iterator) {
-        if (iterator == null) {
-            throw new NullPointerException("Iterator must not be null");
-        }
-        final List<T> list = new ArrayList<T>();
-        final Iterator<T> iter = iterator.iterator();
-        while (iter.hasNext())
-            list.add(iter.next());
-        return list;
-    }
-
-    /**
-     * 将整数转化成字母
-     * @param number
-     * @return
-     */
-    public static String getOptionNum(int number){
-        char optionNum = (char)(65 + number);
-        return String.valueOf(optionNum);
-    }
-    
-    /**
-     * 字母转换成数字
-     * @param input
-     * @return
-     */
-    public static Integer characterToNumber(String input){
-    	String reg = "[a-zA-Z]";  
-        StringBuffer strBuf = new StringBuffer();  
-        input = input.toLowerCase();  
-        if (null != input && !"".equals(input)) {  
-            for (char c : input.toCharArray()) {  
-                if (String.valueOf(c).matches(reg)) {  
-                    strBuf.append(c - 96);  
-                } else {  
-                    strBuf.append(c);  
-                }  
-            }  
-            return Integer.valueOf(strBuf.toString());  
-        } else {  
-            return null;  
-        } 
-    }
-    
-    /**
-     * 从A标签中获取属性值
-     * 例如从:
-     * <a id=\"123456\" name=\"1_1_1.mp3\">
-     * 中获取id的属性值为:123456
-     * 获取name的属性值为:1_1_1.mp3
-     * @param questionStr
-     * @param attrName
-     * @return
-     */
-    public static String getAttrValue(String questionStr,String attrName){
-    	Pattern pattern = Pattern.compile("a.*");
-		Matcher matcher = pattern.matcher(questionStr);
-		while(matcher.find()){
-		      String result = matcher.group();
-		      String idstr = attrName+"=\".*?\"";
-		      Pattern pattern02 = Pattern.compile(idstr);
-		      Matcher matcher02 = pattern02.matcher(result);
-		      while(matcher02.find()){
-		    	  return matcher02.group().replaceAll(attrName+"=\"", "").replaceAll("\"", "");
-		      }
-		}
-		return "";
-    }
-    
-    /**
-     * 从一段HTML字符串中取出标签中的属性值
-     * @param htmlString
-     * @return
-     * @throws DocumentException
-     */
-    public static List<String> getAttrValueFromString(String htmlString,String flagName,String attrName){
-    	List<String> idValues = new ArrayList<String>();
-		try {
-			Document document = DocumentHelper.parseText(htmlString);
-			Element rootElement = document.getRootElement();
-			List<Element> nodes = new ArrayList<Element>();
-			if(flagName.equals(rootElement.getName())){
-				nodes.add(rootElement);
-			}else{
-				nodes = rootElement.elements(flagName);
-			}
-			for(Iterator<Element> itr = nodes.iterator();itr.hasNext();){
-				Element element = (Element) itr.next();
-				Attribute attr = element.attribute(attrName);  
-				idValues.add(attr.getValue());
-			}
-		} catch (DocumentException e) {
-			e.printStackTrace();
-		}
-		return idValues;
-    }
-
-    /**
-     * 保留两位小数
-     * @param number
-     * @return
-     */
-    public static double formatDouble(double number){
-        BigDecimal formatNumber = new BigDecimal(number);
-        return formatNumber.setScale(2, RoundingMode.HALF_UP).doubleValue();
-    }
-
-    /**
-     * 向下取整,可以取0.5
-     * @param number
-     * @return
-     */
-    public static double formatDoubleFloor(double number){
-        BigDecimal formatNumber = new BigDecimal(number);
-        double floorNumber = formatNumber.setScale(0, RoundingMode.FLOOR).doubleValue();
-        if(number >= floorNumber && number < floorNumber + 0.5){
-            return floorNumber;
-        }else{
-            return floorNumber + 0.5;
-        }
-    }
-
-    /**
-     * 补全html标签
-     * @param htmlStr
-     * @return
-     * @throws Exception
-     */
-    public static String repairHtmlStr(String htmlStr)throws Exception{
-        htmlStr = htmlStr.trim();
-        if(htmlStr.toLowerCase().contains("<!doctype html ")){
-            int index1 = htmlStr.toLowerCase().indexOf("<!doctype html ");
-            int index2 = htmlStr.indexOf('>',index1 + 1);
-            htmlStr = htmlStr.substring(0, index1) + htmlStr.substring(index2 + 1);
-        }
-        while(htmlStr.toLowerCase().contains("<br ")){
-            int index1 = htmlStr.toLowerCase().indexOf("<br ");
-            int index2 = htmlStr.toLowerCase().indexOf(">",index1 + 1);
-            htmlStr = htmlStr.substring(0, index1) + "<br/>" + htmlStr.substring(index2 + 1);
-        }
-        while(htmlStr.toLowerCase().endsWith("<br>") || htmlStr.toLowerCase().endsWith("<br/>")){
-            if(htmlStr.toLowerCase().endsWith("<br>")){
-                htmlStr = htmlStr.substring(0, htmlStr.length()-"<br>".length());
-            }else if(htmlStr.toLowerCase().endsWith("<br/>")){
-                htmlStr = htmlStr.substring(0, htmlStr.length()-"<br/>".length());
-            }
-        }
-        htmlStr = htmlStr.replace("<br>", "<br/>").replace("<BR>", "<br/>");
-
-        {//补全META标签
-            int imgIndex = indexOfRegex(htmlStr,"<((meta)|(META)) ");
-            while(imgIndex > 0){
-                int flag = htmlStr.indexOf(">", imgIndex);
-                if(htmlStr.charAt(flag - 1) != '/'){
-                    htmlStr = htmlStr.substring(0,flag) + "/" + htmlStr.substring(flag);
-                }
-                imgIndex = indexOfRegex(htmlStr,"<((meta)|(META)) ",flag);
-            }
-        }
-
-        {//补全img标签
-            int imgIndex = indexOfRegex(htmlStr,"<((img)|(IMG)) ");
-            while(imgIndex > 0){
-                int flag = htmlStr.indexOf(">", imgIndex);
-                if(htmlStr.charAt(flag - 1) != '/'){
-                    htmlStr = htmlStr.substring(0,flag) + "/" + htmlStr.substring(flag);
-                }
-                imgIndex = indexOfRegex(htmlStr,"<((img)|(IMG)) ",flag);
-            }
-        }
-        //添加body标签
-        if((htmlStr.toLowerCase().contains("<p") || htmlStr.toLowerCase().contains("<span"))
-                && !htmlStr.toLowerCase().contains("<body")){
-            htmlStr = "<body>"+htmlStr+"</body>";
-        }
-        return new String(htmlStr.getBytes("UTF-8"));
-    }
-
-    /**
-     * 从指定的位置开始查找第一个匹配正则表达式的字符串的位置
-     * @param str
-     * @param regex 正则表达式
-     * @param fromIndex 指定的起始位置
-     * @return
-     */
-    public static int indexOfRegex(String str,String regex,int fromIndex){
-        int index = indexOfRegex(str.substring(fromIndex),regex);
-        if(index < 0){
-            return -1;
-        }
-        return fromIndex + index;
-    }
-
-    /**
-     * 查找第一个匹配正则表达式的字符串的位置
-     * @param str
-     * @param regex 正则表达式
-     * @return
-     */
-    public static int indexOfRegex(String str,String regex){
-        Pattern p = Pattern.compile(regex);
-        Matcher m = p.matcher(str);
-        if(m.find()){
-            return m.start();
-        }else{
-            return -1;
-        }
-    }
-
-    /**
-     * 格式化html
-     * @param htmlStr
-     * @return
-     * @throws Exception
-     */
-    public static String formatHtml(String htmlStr)throws Exception{
-        if(StringUtils.isEmpty(htmlStr)){
-            return "";
-        }
-        htmlStr = repairHtmlStr(htmlStr);
-        htmlStr = StringEscapeUtils.unescapeHtml4(htmlStr);
-        return htmlStr;
-    }
-
-    /**
-     * 过滤非空格的空字符
-     * @param str
-     * @return
-     */
-    public static String trimNoBlankSpace(final String str){
-        if(str == null || str.length() == 0){
-            return "";
-        }
-        return str.replaceAll("[\\t\\r\\f]*","");
-    }
-    
-    /**
-	 * 替换掉字符串的Unicode字符为中文字符
-	 * 如下所示
-	 * \u0026ldquo;=“
-	 * \u0026mdash;=—
-	 * \u0026lt;=<
-	 * \u0026hellip;=… 
-	 * \u0026rdquo;=”
-	 * \u0026gt;=>
-	 */
-	public static String replaceUnicodeStr(String content){
-		try {
-			Pattern pattern = Pattern.compile("\\\\u\\w+;");
-			Matcher matcher = pattern.matcher(content);
-			Map<String,String> unicodeMap = new HashMap<String, String>();
-			while(matcher.find()){
-			      String unicodeStr = matcher.group();
-			      byte[] unicodeStrByte = unicodeStr.getBytes();
-				  String resultByte = new String(unicodeStrByte,"utf-8");
-				  String escapeStr = StringEscapeUtils.unescapeHtml4(StringEscapeUtils.unescapeEcmaScript(resultByte));
-				  unicodeMap.put(unicodeStr, escapeStr);
-			}
-			System.out.println(unicodeMap);
-			if(unicodeMap.size()>0){
-				for(String key:unicodeMap.keySet()){
-					 //replace函数替换时忽略正则表达式符号，replaceAll和replaceFirst函数替换时是使用正则表达式匹配的。
-					content = content.replace(key, unicodeMap.get(key));
-				}
-			}
-		} catch (IOException e) {
-			e.printStackTrace();
-		}
-		return content;
-	}
-
-    public static void main(String[] args) throws Exception{
-        // QuesStructType quesStructType = getEnum(QuesStructType.class,"单选");
-        // System.out.println(quesStructType.getName());
-        // System.out.println(characterToNumber("A"));
-        System.out.println(formatDoubleFloor(3.61));
-        System.out.println(formatDoubleFloor(3.0));
-    }
-}
+package com.qmth.cqb.utils;
+
+import java.io.*;
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Stream;
+
+import org.apache.commons.lang3.StringEscapeUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.dom4j.Attribute;
+import org.dom4j.Document;
+import org.dom4j.DocumentException;
+import org.dom4j.DocumentHelper;
+import org.dom4j.Element;
+
+import cn.com.qmth.examcloud.common.dto.question.enums.QuesStructType;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Created by songyue on 16/12/27.
+ */
+public final class CommonUtils {
+
+    private static final String COMMON_PROPERTIES = "common.properties";
+
+    private static final String[] CN_SMALL_NUM = { "零", "一", "二", "三", "四", "五", "六", "七", "八", "九" };
+
+    private static final String[] CN_BIG_NUM = { "十", "百", "千", "万", "十万", "百万", "千万", "亿", "十亿", "百亿", "千亿" };
+
+    public static final String PAPER_TITLE="中国石油大学";
+    public static final String PAPER_SUB_TITLE="网络教育";
+
+    private static final Logger log = LoggerFactory.getLogger(CommonUtils.class);
+
+    /**
+     * 加载properties配置文件
+     * 
+     * @param propertiesPath
+     * @return
+     */
+    public static Properties loadProperties(String propertiesPath) {
+        InputStream inputStream = null;
+        Properties properties = new Properties();
+        try {
+            inputStream = ClassLoader.getSystemResourceAsStream(propertiesPath);
+            BufferedReader bf = new BufferedReader(new InputStreamReader(inputStream));
+            properties.load(bf);
+        } catch (Exception e) {
+            log.error("加载配置异常:",e.getMessage());
+        }
+        return properties;
+    }
+
+    /**
+     * 记载通用配置文件
+     * 
+     * @return
+     */
+    public static Properties loadCommonProperties() {
+        return loadProperties(COMMON_PROPERTIES);
+    }
+
+    /**
+     * 获取临时文件夹根路径
+     * 
+     * @return
+     */
+    public static String getTmpRootPath() {
+        return (String) loadCommonProperties().get("tmp_root_path");
+    }
+
+    /**
+     * 获取当前日期字符串
+     * 
+     * @return
+     */
+    public static String getCurDate() {
+        return new SimpleDateFormat("yyyy-MM-dd").format(new Date());
+    }
+
+    /**
+     * 获取当前日期时间字符串
+     * 
+     * @return
+     */
+    public static String getCurDateTime() {
+        return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
+    }
+
+    /**
+     * 根据当前日期获取数字字符串
+     * 
+     * @return
+     */
+    public static String getCurNum() {
+        return new SimpleDateFormat("yyyyMMddHHmmssSSS").format(new Date());
+    }
+
+    /**
+     * 根据枚举名称获取枚举
+     * 
+     * @param clazz
+     * @param name
+     * @param <T>
+     * @return
+     */
+    public static <T> T getEnum(Class<T> clazz, String name) {
+        T[] enumConstants = clazz.getEnumConstants();
+        for (T _enum : enumConstants) {
+            if (_enum.toString().equals(name)) {
+                return _enum;
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 校验题型
+     * 
+     * @param quesType
+     * @return
+     */
+    public static boolean checkQuesType(String quesType) {
+        return Stream.of(QuesStructType.values()).anyMatch(type -> type.getName().equals(quesType));
+    }
+
+    /**
+     * 获取中文数字
+     * 
+     * @param inputNum
+     * @return
+     */
+    public static String toCHNum(int inputNum) {
+        String resultNum = "";
+        String numStr = String.valueOf(inputNum);
+        int len = numStr.length();
+        for (int i = 0; i < len; i++) {
+            int tmpNum = numStr.charAt(i) - '0';
+            if (i != len - 1 && tmpNum != 0) {
+                resultNum += CN_SMALL_NUM[tmpNum] + CN_BIG_NUM[len - 2 - i];
+            } else {
+                resultNum += CN_SMALL_NUM[tmpNum];
+            }
+        }
+        if(resultNum.contains("零")){
+            resultNum = resultNum.replaceAll("零{1,}","零");
+        }
+        if(resultNum.endsWith("零")){
+            resultNum = resultNum.substring(0,resultNum.length()-1);
+        }
+        if(resultNum.startsWith("一十")){
+            resultNum = resultNum.replaceFirst("一十","十");
+        }
+        while(StringUtils.countMatches(resultNum,"万") > 1){
+            resultNum = resultNum.replaceFirst("万","");
+        }
+        while(StringUtils.countMatches(resultNum,"亿") > 1){
+            resultNum = resultNum.replaceFirst("亿","");
+        }
+        return resultNum;
+
+    }
+
+    /**
+     * iterator转List
+     * 
+     * @param <T>
+     * @param iterator
+     * @return
+     */
+    public static <T> List<T> toList(Iterable<T> iterator) {
+        if (iterator == null) {
+            throw new NullPointerException("Iterator must not be null");
+        }
+        final List<T> list = new ArrayList<T>();
+        final Iterator<T> iter = iterator.iterator();
+        while (iter.hasNext())
+            list.add(iter.next());
+        return list;
+    }
+
+    /**
+     * 将整数转化成字母
+     * @param number
+     * @return
+     */
+    public static String getOptionNum(int number){
+        char optionNum = (char)(65 + number);
+        return String.valueOf(optionNum);
+    }
+    
+    /**
+     * 字母转换成数字
+     * @param input
+     * @return
+     */
+    public static Integer characterToNumber(String input){
+    	String reg = "[a-zA-Z]";  
+        StringBuffer strBuf = new StringBuffer();  
+        input = input.toLowerCase();  
+        if (null != input && !"".equals(input)) {  
+            for (char c : input.toCharArray()) {  
+                if (String.valueOf(c).matches(reg)) {  
+                    strBuf.append(c - 96);  
+                } else {  
+                    strBuf.append(c);  
+                }  
+            }  
+            return Integer.valueOf(strBuf.toString());  
+        } else {  
+            return null;  
+        } 
+    }
+    
+    /**
+     * 从A标签中获取属性值
+     * 例如从:
+     * <a id=\"123456\" name=\"1_1_1.mp3\">
+     * 中获取id的属性值为:123456
+     * 获取name的属性值为:1_1_1.mp3
+     * @param questionStr
+     * @param attrName
+     * @return
+     */
+    public static String getAttrValue(String questionStr,String attrName){
+    	Pattern pattern = Pattern.compile("a.*");
+		Matcher matcher = pattern.matcher(questionStr);
+		while(matcher.find()){
+		      String result = matcher.group();
+		      String idstr = attrName+"=\".*?\"";
+		      Pattern pattern02 = Pattern.compile(idstr);
+		      Matcher matcher02 = pattern02.matcher(result);
+		      while(matcher02.find()){
+		    	  return matcher02.group().replaceAll(attrName+"=\"", "").replaceAll("\"", "");
+		      }
+		}
+		return "";
+    }
+    
+    /**
+     * 从一段HTML字符串中取出标签中的属性值
+     * @param htmlString
+     * @return
+     * @throws DocumentException
+     */
+    public static List<String> getAttrValueFromString(String htmlString,String flagName,String attrName){
+    	List<String> idValues = new ArrayList<String>();
+		try {
+			Document document = DocumentHelper.parseText(htmlString);
+			Element rootElement = document.getRootElement();
+			List<Element> nodes = new ArrayList<Element>();
+			if(flagName.equals(rootElement.getName())){
+				nodes.add(rootElement);
+			}else{
+				nodes = rootElement.elements(flagName);
+			}
+			for(Iterator<Element> itr = nodes.iterator();itr.hasNext();){
+				Element element = (Element) itr.next();
+				Attribute attr = element.attribute(attrName);  
+				idValues.add(attr.getValue());
+			}
+		} catch (DocumentException e) {
+			e.printStackTrace();
+		}
+		return idValues;
+    }
+
+    /**
+     * 保留两位小数
+     * @param number
+     * @return
+     */
+    public static double formatDouble(double number){
+        BigDecimal formatNumber = new BigDecimal(number);
+        return formatNumber.setScale(2, RoundingMode.HALF_UP).doubleValue();
+    }
+
+    /**
+     * 向下取整,可以取0.5
+     * @param number
+     * @return
+     */
+    public static double formatDoubleFloor(double number){
+        BigDecimal formatNumber = new BigDecimal(number);
+        double floorNumber = formatNumber.setScale(0, RoundingMode.FLOOR).doubleValue();
+        if(number >= floorNumber && number < floorNumber + 0.5){
+            return floorNumber;
+        }else{
+            return floorNumber + 0.5;
+        }
+    }
+
+    /**
+     * 补全html标签
+     * @param htmlStr
+     * @return
+     * @throws Exception
+     */
+    public static String repairHtmlStr(String htmlStr)throws Exception{
+        htmlStr = htmlStr.trim();
+        if(htmlStr.toLowerCase().contains("<!doctype html ")){
+            int index1 = htmlStr.toLowerCase().indexOf("<!doctype html ");
+            int index2 = htmlStr.indexOf('>',index1 + 1);
+            htmlStr = htmlStr.substring(0, index1) + htmlStr.substring(index2 + 1);
+        }
+        while(htmlStr.toLowerCase().contains("<br ")){
+            int index1 = htmlStr.toLowerCase().indexOf("<br ");
+            int index2 = htmlStr.toLowerCase().indexOf(">",index1 + 1);
+            htmlStr = htmlStr.substring(0, index1) + "<br/>" + htmlStr.substring(index2 + 1);
+        }
+        while(htmlStr.toLowerCase().endsWith("<br>") || htmlStr.toLowerCase().endsWith("<br/>")){
+            if(htmlStr.toLowerCase().endsWith("<br>")){
+                htmlStr = htmlStr.substring(0, htmlStr.length()-"<br>".length());
+            }else if(htmlStr.toLowerCase().endsWith("<br/>")){
+                htmlStr = htmlStr.substring(0, htmlStr.length()-"<br/>".length());
+            }
+        }
+        htmlStr = htmlStr.replace("<br>", "<br/>").replace("<BR>", "<br/>");
+
+        {//补全META标签
+            int imgIndex = indexOfRegex(htmlStr,"<((meta)|(META)) ");
+            while(imgIndex > 0){
+                int flag = htmlStr.indexOf(">", imgIndex);
+                if(htmlStr.charAt(flag - 1) != '/'){
+                    htmlStr = htmlStr.substring(0,flag) + "/" + htmlStr.substring(flag);
+                }
+                imgIndex = indexOfRegex(htmlStr,"<((meta)|(META)) ",flag);
+            }
+        }
+
+        {//补全img标签
+            int imgIndex = indexOfRegex(htmlStr,"<((img)|(IMG)) ");
+            while(imgIndex > 0){
+                int flag = htmlStr.indexOf(">", imgIndex);
+                if(htmlStr.charAt(flag - 1) != '/'){
+                    htmlStr = htmlStr.substring(0,flag) + "/" + htmlStr.substring(flag);
+                }
+                imgIndex = indexOfRegex(htmlStr,"<((img)|(IMG)) ",flag);
+            }
+        }
+        //添加body标签
+        if((htmlStr.toLowerCase().contains("<p") || htmlStr.toLowerCase().contains("<span"))
+                && !htmlStr.toLowerCase().contains("<body")){
+            htmlStr = "<body>"+htmlStr+"</body>";
+        }
+        return new String(htmlStr.getBytes("UTF-8"));
+    }
+
+    /**
+     * 从指定的位置开始查找第一个匹配正则表达式的字符串的位置
+     * @param str
+     * @param regex 正则表达式
+     * @param fromIndex 指定的起始位置
+     * @return
+     */
+    public static int indexOfRegex(String str,String regex,int fromIndex){
+        int index = indexOfRegex(str.substring(fromIndex),regex);
+        if(index < 0){
+            return -1;
+        }
+        return fromIndex + index;
+    }
+
+    /**
+     * 查找第一个匹配正则表达式的字符串的位置
+     * @param str
+     * @param regex 正则表达式
+     * @return
+     */
+    public static int indexOfRegex(String str,String regex){
+        Pattern p = Pattern.compile(regex);
+        Matcher m = p.matcher(str);
+        if(m.find()){
+            return m.start();
+        }else{
+            return -1;
+        }
+    }
+
+    /**
+     * 格式化html
+     * @param htmlStr
+     * @return
+     * @throws Exception
+     */
+    public static String formatHtml(String htmlStr)throws Exception{
+        if(StringUtils.isEmpty(htmlStr)){
+            return "";
+        }
+        htmlStr = repairHtmlStr(htmlStr);
+        htmlStr = StringEscapeUtils.unescapeHtml4(htmlStr);
+        return htmlStr;
+    }
+
+    /**
+     * 过滤非空格的空字符
+     * @param str
+     * @return
+     */
+    public static String trimNoBlankSpace(final String str){
+        if(str == null || str.length() == 0){
+            return "";
+        }
+        return str.replaceAll("[\\t\\r\\f]*","");
+    }
+    
+    /**
+	 * 替换掉字符串的Unicode字符为中文字符
+	 * 如下所示
+	 * \u0026ldquo;=“
+	 * \u0026mdash;=—
+	 * \u0026lt;=<
+	 * \u0026hellip;=… 
+	 * \u0026rdquo;=”
+	 * \u0026gt;=>
+	 */
+	public static String replaceUnicodeStr(String content){
+		try {
+			Pattern pattern = Pattern.compile("\\\\u[a-f0-9A-F]{1,4}");
+			Matcher matcher = pattern.matcher(content);
+			Map<String,String> unicodeMap = new HashMap<String, String>();
+			while(matcher.find()){
+			      String unicodeStr = matcher.group();
+			      byte[] unicodeStrByte = unicodeStr.getBytes();
+				  String resultByte = new String(unicodeStrByte,"utf-8");
+				  String escapeStr = StringEscapeUtils.unescapeHtml4(StringEscapeUtils.unescapeEcmaScript(resultByte));
+				  unicodeMap.put(unicodeStr, escapeStr);
+			}
+			System.out.println(unicodeMap);
+			if(unicodeMap.size()>0){
+				for(String key:unicodeMap.keySet()){
+					 //replace函数替换时忽略正则表达式符号，replaceAll和replaceFirst函数替换时是使用正则表达式匹配的。
+					content = content.replace(key, unicodeMap.get(key));
+				}
+			}
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		return content;
+	}
+
+    public static void main(String[] args) throws Exception{
+        // QuesStructType quesStructType = getEnum(QuesStructType.class,"单选");
+        // System.out.println(quesStructType.getName());
+        // System.out.println(characterToNumber("A"));
+        System.out.println(formatDoubleFloor(3.61));
+        System.out.println(formatDoubleFloor(3.0));
+    }
+}