public class SpecialCharTool { /** * 替换一个字符串中的某些指定字符 * * @param strData * String 原始字符串 * @param regex * String 要替换的字符串 * @param replacement * String 替代字符串 * @return String 替换后的字符串 */ public static String replaceString(String strData, String regex, String replacement) { if (strData == null) { return null; } int index; index = strData.indexOf(regex); String strNew = ""; if (index >= 0) { while (index >= 0) { strNew += strData.substring(0, index) + replacement; strData = strData.substring(index + regex.length()); index = strData.indexOf(regex); } strNew += strData; return strNew; } return strData; } /** * 替换字符串中特殊字符 * @param strData 需要替换的字符串 * @return 替换之后的字符串 */ public static String encodeString(String strData) { if (strData == null) { return ""; } strData = replaceString(strData, "&", "&"); strData = replaceString(strData, "<", "<"); strData = replaceString(strData, ">", ">"); strData = replaceString(strData, "'", "'"); strData = replaceString(strData, "\"", """); return strData; } /** * 还原字符串中特殊字符 * @param strData 需要还原的字符串 * @return 还原之后的字符串 */ public static String decodeString(String strData) { strData = replaceString(strData, "<", "<"); strData = replaceString(strData, ">", ">"); strData = replaceString(strData, "'", "'"); strData = replaceString(strData, """, "\""); strData = replaceString(strData, "&", "&"); return strData; } }
用于解析Android中把特殊字符放在xml中
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