Java轉(zhuǎn)譯URL參數(shù)

//調(diào)用 String input = URIEncoderUtil.encodeURIComponent(String input); public class URIEncoderUtil {public static final String ALLOWED_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.!~*'()";/*** Description:轉(zhuǎn)譯URL* * @param input* @return* @see*/public static String encodeURIComponent(String input) {if (null == input || "".equals(input.trim())) {return input;}int l = input.length();StringBuilder o = new StringBuilder(l * 3);try {for (int i = 0; i < l; i++) {String e = input.substring(i, i + 1);if (ALLOWED_CHARS.indexOf(e) == -1) {byte[] b = e.getBytes("utf-8");o.append(getHex(b));continue;}o.append(e);}return o.toString();} catch (UnsupportedEncodingException e) {e.printStackTrace();}return input;}private static String getHex(byte buf[]) {StringBuilder o = new StringBuilder(buf.length * 3);for (int i = 0; i < buf.length; i++) {int n = (int) buf[i] & 0xff;o.append("%");if (n < 0x10) {o.append("0");}o.append(Long.toString(n, 16).toUpperCase());}return o.toString();} }

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