二手服务器做网站文章优化软件

类似游戏兑换码格式，或者自定义格式的兑换码生成。

支持自定义格式，支持添加对象参数。

package com.krls.simulator;import org.springframework.util.CollectionUtils;import java.lang.reflect.Field;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;public class T333 {/*** 对象转Map** @param object* @return* @throws IllegalAccessException*/public static Map<String, Object> beanToMap(Object object) throws IllegalAccessException {if (object instanceof Map) {return (Map<String, Object>) object;}Map<String, Object> map = new HashMap<>(16);Field[] fields = object.getClass().getDeclaredFields();for (Field field : fields) {field.setAccessible(true);map.put(field.getName(), field.get(object));}return map;}public static String replaceAttr(String str, Object obj) {if (obj == null) {return str;}try {Map<String, Object> map = beanToMap(obj);if (!CollectionUtils.isEmpty(map)) {for (Map.Entry<String, Object> entity : map.entrySet()) {String val = entity.getValue() == null ? "" : entity.getValue().toString();str = str.replaceAll("\\$\\{" + entity.getKey() + "}", val);}}} catch (IllegalAccessException e) {}return str;}public static String replaceRandom(String source, Map<String, String> map) {String reg = "\\[([^.]-[^.])+]\\{[0-9]*}";Matcher matcher = Pattern.compile(reg).matcher(source);int i = 0;
//        System.out.println(source);while (matcher.find()) {String group = matcher.group();String radius = group.substring(group.indexOf("\\[") + 2, group.indexOf("]"));String num = group.substring(group.indexOf("{") + 1, group.indexOf("}"));String key = "$" + i + "_" + Integer.parseInt(num);map.put(key, getRandomStr(radius));source = source.substring(0, source.indexOf(group)) + "$" + i++ + source.substring(source.indexOf(group) + group.length());}return source;}public static String getRandomStr(String str) {StringBuffer buffer = new StringBuffer();for (int i = 0; i < str.length(); i = i + 3) {int len = (int) str.charAt(i + 2) - (int) str.charAt(i);for (int j = 0; j <= len; j++) {buffer.append((char) ((int) str.charAt(i) + j));}}return buffer.toString();}public static List<String> getRandomStr(String str, int len, int size) {Random random = new Random();List<String> list = new ArrayList<>();StringBuilder cache = new StringBuilder();for (int i = 0; i < len * size; i++) {int temp = random.nextInt(str.length());cache.append(str.charAt(temp));if ((i + 1) % len == 0) {list.add(cache.toString());cache = new StringBuilder();}}return list;}/*** 兑换码生成(V1.0)** @param pattern => [0-9A-Z]{4}-[0-9A-Z]{4}-[0-9A-Z]{4}  ${randomNo}-[0-9A-Z]{5}* @param obj     => object(id=? name? randomNo?)* @param size    =>* @return*/public static List<String> getRandomCode(String pattern, Object obj, int size) {pattern = replaceAttr(pattern, obj);Map<String, String> map = new HashMap<>(16);pattern = replaceRandom(pattern, map);
//        size = size > 2 << 4 ? size * 3 / 2 : size << 1;Map<Integer, String> result = new HashMap<>(16);for (int i = 0; i < size; i++) {result.put(i, pattern);}if (!CollectionUtils.isEmpty(map)) {for (Map.Entry<String, String> entry : map.entrySet()) {String key = entry.getKey();String val = entry.getValue();String[] arr = key.split("_");List<String> randoms = getRandomStr(val, Integer.parseInt(arr[1]), size);for (int i = 0; i < randoms.size(); i++) {result.put(i, result.get(i).replace(arr[0], randoms.get(i)));}}}return new ArrayList<>(result.values());}
}