java UnicodeHtml

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java UnicodeHtml.
public class UnicodeHtml {/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubString inStr = "dfadf\\uCN吉林长春|None|CERNET|1|None。";//String inStr = "吉林长春";String unicodeStr = "";////unicodeStr = UnicodeHtml.chinaToUnicode(inStr);//System.out.println(unicodeStr);unicodeStr = UnicodeHtml.string2unicode(inStr);System.out.println(unicodeStr);System.out.println(unicode2string(unicodeStr));}/** * 把中文转成Unicode码 *  * @param str * @return */public static String string2unicode(String str) {str = (str == null ? "" : str);String tmp;StringBuffer sb = new StringBuffer(1000);char c;int i, j;sb.setLength(0);for (i = 0; i < str.length(); i++) {c = str.charAt(i);//sb.append("\\u");sb.append("&#x");j = (c >>> 8);tmp = Integer.toHexString(j);if (tmp.length() == 1)sb.append("0");sb.append(tmp);j = (c & 0xFF);tmp = Integer.toHexString(j);if (tmp.length() == 1)sb.append("0");sb.append(tmp);sb.append(";");}return (new String(sb));}/** * 把Unicode码 转为中文 * 只能转换全是Unicode字符，不能是混合型 * @param * @return */public static String unicode2string(String str) {str = (str == null ? "" : str);if (str.indexOf("&#x") == -1 || str.indexOf(";") == -1 )return str;StringBuffer sb = new StringBuffer(1000);for (int i = 0; i <= str.length() - 8;) {String strTemp = str.substring(i, i + 8);String value = strTemp.substring(3);value = value.substring(0,4);int c = 0;for (int j = 0; j < value.length(); j++) {char tempChar = value.charAt(j);int t = 0;switch (tempChar) {case 'a':t = 10;break;case 'b':t = 11;break;case 'c':t = 12;break;case 'd':t = 13;break;case 'e':t = 14;break;case 'f':t = 15;break;default:t = tempChar - 48;break;}c += t * ((int) Math.pow(16, (value.length() - j - 1)));}sb.append((char) c);i = i + 8;}return sb.toString();}/** * 把中文转成Unicode码 * 只将中文转换成Unicode，英文其他字符不做处理 * @param str * @return */public static String chinaToUnicode(String str) {String result = "";for (int i = 0; i < str.length(); i++) {int chr1 = (char) str.charAt(i);if (chr1 >= 19968 && chr1 <= 171941) {// 汉字范围 \u4e00-\u9fa5 (中文)//result += "\\u" + Integer.toHexString(chr1);result += "&#x" + Integer.toHexString(chr1)+";";} else {result += str.charAt(i);}}return result;}}
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