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package com.dsideal.dsBase.Util;
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import net.sourceforge.pinyin4j.PinyinHelper;
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import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
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import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* 获取首字母工具
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*
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* @author
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* @Date
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*/
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public class ChineseCharacterUtil {
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/**
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* 获取汉字首字母或全拼大写字母
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*
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* @param chinese 汉字
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* @param isFull 是否全拼 true:表示全拼 false表示：首字母
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* @return 全拼或者首字母大写字符窜
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*/
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public static String getUpperCase(String chinese, boolean isFull) {
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return convertHanzi2Pinyin(chinese, isFull).toUpperCase();
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}
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/**
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* 获取汉字首字母或全拼小写字母
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*
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* @param chinese 汉字
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* @param isFull 是否全拼 true:表示全拼 false表示：首字母
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* @return 全拼或者首字母小写字符窜
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*/
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public static String getLowerCase(String chinese, boolean isFull) {
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return convertHanzi2Pinyin(chinese, isFull).toLowerCase();
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}
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/**
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* 将汉字转成拼音
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* <p>
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* 取首字母或全拼
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*
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* @param hanzi 汉字字符串
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* @param isFull 是否全拼 true:表示全拼 false表示：首字母
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* @return 拼音
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*/
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private static String convertHanzi2Pinyin(String hanzi, boolean isFull) {
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/***
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* ^[\u2E80-\u9FFF]+$ 匹配所有东亚区的语言
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* ^[\u4E00-\u9FFF]+$ 匹配简体和繁体
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* ^[\u4E00-\u9FA5]+$ 匹配简体
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*/
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String regExp = "^[\u4E00-\u9FFF]+$";
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StringBuffer sb = new StringBuffer();
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if (hanzi == null || "".equals(hanzi.trim())) {
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return "";
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}
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String pinyin = "";
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for (int i = 0; i < hanzi.length(); i++) {
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char unit = hanzi.charAt(i);
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//是汉字，则转拼音
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if (match(String.valueOf(unit), regExp)) {
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pinyin = convertSingleHanzi2Pinyin(unit);
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if (isFull) {
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sb.append(pinyin);
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} else {
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sb.append(pinyin.charAt(0));
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}
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} else {
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sb.append(unit);
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}
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}
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return sb.toString();
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}
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/**
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* 将单个汉字转成拼音
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*
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* @param hanzi 汉字字符
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* @return 拼音
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*/
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private static String convertSingleHanzi2Pinyin(char hanzi) {
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HanyuPinyinOutputFormat outputFormat = new HanyuPinyinOutputFormat();
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outputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
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String[] res;
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StringBuffer sb = new StringBuffer();
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try {
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res = PinyinHelper.toHanyuPinyinStringArray(hanzi, outputFormat);
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sb.append(res[0]);//对于多音字，只用第一个拼音
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} catch (Exception e) {
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e.printStackTrace();
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return "";
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}
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return sb.toString();
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}
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/***
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* 匹配
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* <P>
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* 根据字符和正则表达式进行匹配
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*
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* @param str 源字符串
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* @param regex 正则表达式
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*
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* @return true：匹配成功 false：匹配失败
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*/
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private static boolean match(String str, String regex) {
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Pattern pattern = Pattern.compile(regex);
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Matcher matcher = pattern.matcher(str);
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return matcher.find();
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}
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public static String getColumnNameByMemo(String memo) {
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String res;
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if (memo.length() <= 3) res = convertHanzi2Pinyin(memo, true);
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else
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res = convertHanzi2Pinyin(memo, false);
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res = res.replace("\n", "").trim().replace("/", "_");
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res = res.replace("（", "");
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res = res.replace("）", "");
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// 正则表达式，匹配非字母、数字、下划线的字符
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String regex = "[^a-zA-Z0-9_]";
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// 使用replaceAll方法替换匹配的字符为空字符串，即删除这些字符
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res = res.replaceAll(regex, "");
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return res;
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}
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}
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