/**     * JavaScript escape函数算法      * @param value     * @return     */    public static String escape(String value){        StringBuffer buffer = new StringBuffer();        int length = value.length();        int ch = 0;        for (int i = 0; i < length; i  ) {            ch = value.charAt(i);            if ('A' <= ch && ch <= 'Z')buffer.append((char) ch);            else if ('a' <= ch && ch <= 'z')buffer.append((char) ch);            else if ('0' <= ch && ch <= '9')buffer.append((char) ch);            else if (ch == '-' || ch == '_'    || ch == '.' || ch == '!' || ch == '~' || ch == '*' || ch == '\'' || ch == '(' || ch == ')')buffer.append((char) ch);            else if (ch <= 0x007F) {buffer.append('%');buffer.append(hex[ch]);}            else{buffer.append('%');buffer.append('u');buffer.append(hex[(ch >>> 8)]);buffer.append(hex[(0x00FF & ch)]);}        }        return buffer.toString();    }        /**     * JavaScript unescape函数算法      * unescape() 函数可对通过 escape() 编码的字符串进行解码。      * @param value     * @return     */    public static String unescape(String value) {        StringBuffer buffer = new StringBuffer();        int i = 0;        int length = value.length();        int ch = 0;        while (i < length) {            ch = value.charAt(i);            if ('A' <= ch && ch <= 'Z')buffer.append((char) ch);            else if ('a' <= ch && ch <= 'z')buffer.append((char) ch);            else if ('0' <= ch && ch <= '9')buffer.append((char) ch);            else if (ch == '-' || ch == '_' || ch == '.' || ch == '!' || ch == '~' || ch == '*' || ch == '\'' || ch == '(' || ch == ')')buffer.append((char) ch);            else if (ch == '%') {                int cint = 0;                if('u' != value.charAt(i + 1)) {                    cint = (cint << 4) | val[value.charAt(i + 1)];                    cint = (cint << 4) | val[value.charAt(i + 2)];                    i  = 2;                }                else {                    cint = (cint << 4) | val[value.charAt(i + 2)];                    cint = (cint << 4) | val[value.charAt(i + 3)];                    cint = (cint << 4) | val[value.charAt(i + 4)];                    cint = (cint << 4) | val[value.charAt(i + 5)];                    i  = 5;                }                buffer.append((char) cint);            }            else buffer.append((char) ch);            i  ;        }        return buffer.toString();    }

如果Java或Android中请求连接带有特殊符号可以使用这两个函数