/* * string与unicode之间相互转换 */ import java.util.regex.Matcher; import java.util.regex.Pattern; public class unicodeString { public static void main(String[] args) { String str = "中国"; System.out.println(unicodeString.StringToWebUnicode(str)); System.out.println(unicodeString.WebUnicodeToString("中国")); System.out.println(unicodeString.StringToUnicode(str)); System.out.println(unicodeString.UnicodeToString("\u4e2d\u56fd\\uqqqq")); } /* * 普通类型的unicode转string */ public static String UnicodeToString(String input) { Pattern pattern = Pattern.compile("(\\\\u(\\p{XDigit}{4}))"); Matcher matcher = pattern.matcher(input); char ch; while (matcher.find()) { ch = (char) Integer.parseInt(matcher.group(2), 16); input = input.replace(matcher.group(1), ch + ""); } return input; } /* * string转普通类型的unicode */ public static String StringToUnicode(String input) { String str = ""; for (char c : input.toCharArray()) { if ((int) c > 128) str += "\\u" + Integer.toHexString((int) c); else str += c; } return str; } /* * string转web类型的unicode */ public static String StringToWebUnicode(String input) { String str = ""; for (char c : input.toCharArray()) { str += "&#" + (int) c + ";"; } return str; } /* * web类型的unicode转string */ public static String WebUnicodeToString(String input) { String str = ""; String[] y1 = input.split(";"); for (String c : y1) { if (c.length() > 2) { str += (char) Integer.parseInt(c.substring(2)); } } return str; } }

<script> //带;号 var str="最新發https://www.jb51.net/article/1.htm"; //不带分号 var str2="&#104&#116&#116&#112&#115&#58&#47&#47&#119&#119&#119&#46&#106&#98&#53&#49&#46&#110&#101&#116&#47&#97&#114&#116&#105&#99&#108&#101&#47&#49&#46&#104&#116&#109"; function uncode(str) { return str.replace(/&#(x)?([^&]{1,5});?/g, function (a, b, c) { return String.fromCharCode(parseInt(c, b ? 16 : 10)); }) } document.write(uncode(str)); document.write("<br>"); document.write(uncode(str2)); </script>

package test.com.gjob.services; import java.io.IOException; import java.io.Writer; public class HtmlEncoder { public static void main(String args[]){ System.out.println(HtmlEncoder.encode("你好")); } /*** }