JSON后台处理特殊字符方法，在JSONArray.fromObject转换时处理

/*** 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*/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,"\\", "\\\\");//对斜线的转义 ???//strData = replaceString(strData, "\"", """); 双引号这个可能不是特殊字符 ???return strData;}/***还原字符串中特殊字符*/public static String decodeString(String strData) { ???strData = replaceString(strData, "<", "<"); ???strData = replaceString(strData, ">", ">"); ???strData = replaceString(strData, "‘", "‘"); ???strData = replaceString(strData, """, "\""); ???strData = replaceString(strData, "&", "&"); ???return strData;}