Javascript UrlEncode编码/解码 && Java UrlEncode编码/解码

╰半橙微兮° 2024-04-18 22:18 87阅读 0赞

# Javascript [UrlEncode编码/解码][UrlEncode] #

console.log(escape("你好"))//编码
        console.log(unescape("%u4F60%u597D"))//解码

![20190912164105793.png][]

# Java [UrlEncode编码/解码][UrlEncode] #

/**
     * @author Unclue_liu
     * @organization tyzn
     * @date 2019/9/12 0012 16:41
     * @desc TODO 加码解码工具
     */
    public class Encode {
        /**
         * 对应javascript的escape()函数,
         * 加码后的串可直接使用javascript的unescape()进行解码
         * @param src
         * @return
         */
        public static String escape(String src) {
            int i;
            char j;
            StringBuffer tmp = new StringBuffer();
            tmp.ensureCapacity(src.length() * 6);
            for (i = 0; i < src.length(); i++) {
                j = src.charAt(i);
                if (Character.isDigit(j) || Character.isLowerCase(j)
                        || Character.isUpperCase(j))
                    tmp.append(j);
                else if (j < 256) {
                    tmp.append("%");
                    if (j < 16)
                        tmp.append("0");
                    tmp.append(Integer.toString(j, 16));
                } else {
                    tmp.append("%u");
                    tmp.append(Integer.toString(j, 16));
                }
            }
            return tmp.toString();
        }
    
        /**
         * 对应javascript的unescape()函数
         * 可对javascript的escape()进行解码
         * @param src
         * @return
         */
        public static String unescape(String src) {
            StringBuffer tmp = new StringBuffer();
            tmp.ensureCapacity(src.length());
            int lastPos = 0, pos = 0;
            char ch;
            while (lastPos < src.length()) {
                pos = src.indexOf("%", lastPos);
                if (pos == lastPos) {
                    if (src.charAt(pos + 1) == 'u') {
                        ch = (char) Integer.parseInt(src
                                .substring(pos + 2, pos + 6), 16);
                        tmp.append(ch);
                        lastPos = pos + 6;
                    } else {
                        ch = (char) Integer.parseInt(src
                                .substring(pos + 1, pos + 3), 16);
                        tmp.append(ch);
                        lastPos = pos + 3;
                    }
                } else {
                    if (pos == -1) {
                        tmp.append(src.substring(lastPos));
                        lastPos = src.length();
                    } else {
                        tmp.append(src.substring(lastPos, pos));
                        lastPos = pos;
                    }
                }
            }
            return tmp.toString();
        }
    }

System.out.println(Encode.escape("你好"));
            System.out.println(Encode.unescape("%u4F60%u597D"));

![20190912164431628.png][]

[UrlEncode]: http://tool.chinaz.com/tools/urlencode.aspx
[20190912164105793.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/18/4b6e7755d5ba455292cb10c6b3c346ab.png
[20190912164431628.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/18/9a1aac69d1b34b0694f18dadc541bc47.png