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24 lines
973 B
Java
24 lines
973 B
Java
package com.sztzjy.linkCommerce.util;
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public class StringUtils {
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/**
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* 将驼峰命名法的字符串转换为下划线命名法的字符串。
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* @param camelCaseStr 驼峰命名的字符串。
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* @return 下划线命名法的字符串。
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*/
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public static String convertCamelCaseToUnderscore(String camelCaseStr) {
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// 使用Pattern和Matcher处理字符串
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StringBuilder underscoreStr = new StringBuilder();
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for (int i = 0; i < camelCaseStr.length(); i++) {
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char c = camelCaseStr.charAt(i);
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if (Character.isUpperCase(c) && i > 0) {
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// 如果当前字符是大写，并且不是第一个字符，则添加下划线
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underscoreStr.append("_");
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}
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// 将字符添加到结果字符串中，如果是大写，则转换为小写
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underscoreStr.append(Character.toLowerCase(c));
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}
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return underscoreStr.toString();
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}
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} |