js url中文编码转换 将中文字转换成URL编码的汉字.docVIP

js url中文编码转换 将中文字转换成URL编码的汉字 导读：就爱阅读网友为您分享以下“将中文字转换成URL编码的汉字”资讯，希望对您有所帮助，感谢您对92的支持! 将中文字转换成URL编码的汉字.txt public class URLtoUTF8 { //转换为%E4%BD%A0形式 public static String toUtf8String(String s) { StringBuffer sb = new StringBuffer(); for (int i = 0; i lt; s.length(); i++) { char c = s.charAt(i); if (c gt;= 0 c lt;= 255) { sb.append(c); } else { byte[] b; try { b = String.valueOf(c).getBytes(“utf-8”); } catch (Exception ex) { System.out.println(ex); b = new byte[0]; } for (int j = 0; j lt; b.length; j++) { int k = b[j]; if (k lt; 0) k += 256; sb.append(“%” + Integer.toHexString(k).toUpperCase()); } } } return sb.toString(); } //将%E4%BD%A0转换为汉字 public static String unescape(String s) { StringBuffer sbuf = new StringBuffer(); int l = s.length(); int ch = -1; int b, sumb = 0; for (int i = 0, more = -1; i lt; l; i++) { /* Get next byte b from URL segment s */ switch (ch = s.charAt(i)) { case ‘%’: ch = s.charAt(++i); int hb = (Character.isDigit((char) ch) ? ch - ‘0’ : 10 + Character.toLowerCase((char) ch) - ‘a’) 0xF; ch = s.charAt(++i); int lb = (Character.isDigit((char) ch) ? ch - ‘0’ : 10 + Character.toLowerCase((char) ch) - ‘a’) 0xF; b = (hb lt;lt; 4) | lb; break; case ‘+’: b = ‘ ‘; break; default: b = ch; } /* Decode byte b as UTF-8, sumb collects incomplete chars */ if ((b 0xc0) == 0x80) { // 10xxxxxx (continuation byte) sumb = (sumb lt;lt; 6) | (b 0x3f); // Add 6 bits to sumb if (--more == 0) sbuf.append((char) sumb); // Add char to sbuf } else if ((b 0x80) == 0x00) { // 0xxxxxxx (yields 7 bits) sbuf.append((char) b); // Store in sbuf } else if ((b 0xe0) == 0xc0) { // 110xxxxx (yields 5 bits) sumb = b 0x1f; more = 1; // Expect 1 more byte } else if ((b 0xf0) == 0xe0) { // 1110xxxx (yields 4 bits) sumb = b 0x0f; more = 2; // Expect 2 more bytes } else if ((b 0xf8) == 0xf0) { // 11110xxx (yields 3 bits) sumb = b 0x07; more = 3; // Expect 3 more bytes } else if ((b 0xfc) == 0xf8) { // 111110xx (yields 2 bits) sumb