将""和'转义 单引号转化成双引号

// 将""和'转义
	public static String replaceKeyString(String str) {
		if (containsKeyString(str)) {
			return str.replace("'", "\\'").replace("\"", "\\\"").replace("\r",
					"\\r").replace("\n", "\\n").replace("\t", "\\t").replace(
					"\b", "\\b").replace("\f", "\\f");
		} else {
			return str;
		}
	}
	//单引号转化成双引号
	public static String replaceString(String str) {
		if (containsKeyString(str)) {
			return str.replace("'", "\"").replace("\"", "\\\"").replace("\r",
					"\\r").replace("\n", "\\n").replace("\t", "\\t").replace(
					"\b", "\\b").replace("\f", "\\f");
		} else {
			return str;
		}
	}
	public static boolean containsKeyString(String str) {
		if (StringUtils.isBlank(str)) {
			return false;
		}
		if (str.contains("'") || str.contains("\"") || str.contains("\r")
				|| str.contains("\n") || str.contains("\t")
				|| str.contains("\b") || str.contains("\f")) {
			return true;
		}
		return false;
	}

public static void main(String args[]) {
		System.out.println(replaceKeyString("&nbsp;\r" + "</p>"));
	}

 

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转载自jccmjl.iteye.com/blog/2258784