package cc.mrbird.febs.common.utils;
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import cc.mrbird.febs.common.entity.FebsConstant;
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import cc.mrbird.febs.system.entity.User;
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import com.baomidou.mybatisplus.core.toolkit.StringPool;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.shiro.SecurityUtils;
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import javax.servlet.http.HttpServletRequest;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.stream.IntStream;
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/**
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* FEBS工具类
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*
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* @author MrBird
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*/
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@Slf4j
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public class FebsUtil {
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private static final Pattern CHINESE_PATTERN = Pattern.compile("[\u4e00-\u9fa5]");
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/**
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* 驼峰转下划线
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*
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* @param value 待转换值
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* @return 结果
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*/
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public static String camelToUnderscore(String value) {
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if (StringUtils.isBlank(value)) {
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return value;
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}
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String[] arr = StringUtils.splitByCharacterTypeCamelCase(value);
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if (arr.length == 0) {
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return value;
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}
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StringBuilder result = new StringBuilder();
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IntStream.range(0, arr.length).forEach(i -> {
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if (i != arr.length - 1) {
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result.append(arr[i]).append(StringPool.UNDERSCORE);
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} else {
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result.append(arr[i]);
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}
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});
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return StringUtils.lowerCase(result.toString());
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}
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/**
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* 下划线转驼峰
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*
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* @param value 待转换值
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* @return 结果
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*/
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public static String underscoreToCamel(String value) {
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StringBuilder result = new StringBuilder();
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String[] arr = value.split("_");
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for (String s : arr) {
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result.append((String.valueOf(s.charAt(0))).toUpperCase()).append(s.substring(1));
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}
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return result.toString();
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}
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/**
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* 判断是否为 ajax请求
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*
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* @param request HttpServletRequest
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* @return boolean
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*/
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public static boolean isAjaxRequest(HttpServletRequest request) {
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return (request.getHeader("X-Requested-With") != null
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&& "XMLHttpRequest".equals(request.getHeader("X-Requested-With")));
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}
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/**
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* 正则校验
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*
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* @param regex 正则表达式字符串
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* @param value 要匹配的字符串
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* @return 正则校验结果
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*/
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public static boolean match(String regex, String value) {
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Pattern pattern = Pattern.compile(regex);
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Matcher matcher = pattern.matcher(value);
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return matcher.matches();
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}
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/**
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* 获取当前登录用户
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*
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* @return User
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*/
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public static User getCurrentUser() {
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return (User) SecurityUtils.getSubject().getPrincipal();
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}
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/**
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* 判断是否包含中文
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*
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* @param value 内容
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* @return 结果
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*/
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public static boolean containChinese(String value) {
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if (StringUtils.isBlank(value)) {
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return false;
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}
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Matcher matcher = CHINESE_PATTERN.matcher(value);
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return matcher.find();
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}
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public static String view(String viewName) {
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return FebsConstant.VIEW_PREFIX + viewName;
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}
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}
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