HTMLDecoder——&#开头的编码换中文互转(java)

import java.util.Arrays;

/**
 *
 * @author xiehui 2019/8/30
 *
 */
public class HTMLDecoder {

	// &#开头的编码换转成中文
	public static String decode(String str) {
		String[] tmp = str.split(";&#|&#|;");
		System.out.println(Arrays.toString(tmp));
		StringBuffer sb = new StringBuffer("");
		for (int i = 0; i < tmp.length; i++) {
			if (tmp[i].matches("\\d{5}")) {
				sb.append((char) Integer.parseInt(tmp[i]));
				// System.out.println(sb.toString());
			} else {
				sb.append(tmp[i]);
			}
		}
		return sb.toString();
	}

	// 字符串转&#编码
	public static String strToDecode(String str) {
		char[] tmp = str.toCharArray();
		System.out.println(Arrays.toString(tmp));
		StringBuffer sb = new StringBuffer("");
		for (int i = 0; i < tmp.length; i++) {
			sb.append("&#").append((int) tmp[i]).append(";");
		}
		return sb.toString();
	}

	public static void main(String[] args) {
		String decode1 = HTMLDecoder.decode("&#22253;&#21306;&#24314;&#35774;");
		System.out.println(decode1);

		String decode2 = HTMLDecoder.strToDecode("园区建设");
		System.out.println(decode2);
	}
}

参考：http://blog.sina.com.cn/s/blog_4b4515650100ldf6.html