commit code

common/src/main/java/com/storeroom/config/AdminProperties.java

@@ -0,0 +1,17 @@
+package com.storeroom.config;
+
+
+import lombok.Data;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+@Data
+@Component
+public class AdminProperties {
+    public static Boolean ipLocal;
+
+    @Value("${ip.local-parsing}")
+    public void setIpLocal(Boolean ipLocal) {
+        AdminProperties.ipLocal = ipLocal;
+    }
+}

common/src/main/java/com/storeroom/config/FileProperties.java

@@ -0,0 +1,43 @@
+package com.storeroom.config;
+
+
+import com.storeroom.utils.AdminConstant;
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Configuration;
+
+@Data
+@Configuration
+@ConfigurationProperties(prefix = "file")
+public class FileProperties {
+
+    /** 文件大小限制 */
+    private Long maxSize;
+
+    /** 头像大小限制 */
+    private Long avatarMaxSize;
+
+    private YsPath mac;
+
+    private YsPath linux;
+
+    private YsPath windows;
+
+    public YsPath getPath(){
+        String os = System.getProperty("os.name");
+        if(os.toLowerCase().startsWith(AdminConstant.WIN)) {
+            return windows;
+        } else if(os.toLowerCase().startsWith(AdminConstant.MAC)){
+            return mac;
+        }
+        return linux;
+    }
+
+    @Data
+    public static class YsPath{
+
+        private String path;
+
+        private String avatar;
+    }
+}

common/src/main/java/com/storeroom/config/YsPermissionConfig.java

@@ -0,0 +1,21 @@
+package com.storeroom.config;
+
+import com.storeroom.utils.SecurityUtils;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.stereotype.Service;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+
+//自定义权限拦截
+@Service(value = "ys")
+public class YsPermissionConfig {
+    public Boolean check(String ...permissions){
+        // 获取当前用户的所有权限
+        List<String> elPermissions = SecurityUtils.getCurrentUser().getAuthorities().stream().map(GrantedAuthority::getAuthority).collect(Collectors.toList());
+        // 判断当前用户的所有权限是否包含接口上定义的权限
+        return elPermissions.contains("admin") || Arrays.stream(permissions).anyMatch(elPermissions::contains);
+    }
+}

common/src/main/java/com/storeroom/exception/BaseException.java

@@ -1,6 +1,7 @@
 package com.storeroom.exception;
 
 import com.storeroom.exception.constant.ResponseStatus;
+import com.storeroom.utils.MessageUtils;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 
@@ -12,22 +13,68 @@ import lombok.EqualsAndHashCode;
 @EqualsAndHashCode(callSuper = true)
 public class BaseException extends RuntimeException{
 
-    private Integer code;
-    private String message;
+    private static final long serialVersionUID = 1L;
 
 
+    //所属模块
+    private String module;
 
-    public BaseException(ResponseStatus responseStatus){
-        super(responseStatus.getMessage());
-        this.code= responseStatus.getCode();
-        this.message= responseStatus.getMessage();
+    //错误码
+    private String code;
 
+    //错误消息
+    private Object[] args;
+
+    //错误消息
+    private String defaultMessage;
+
+
+    public BaseException(String module, String code, Object[] args, String defaultMessage) {
+        this.module = module;
+        this.code = code;
+        this.args = args;
+        this.defaultMessage = defaultMessage;
     }
 
+    public BaseException(String module, String code, Object[] args) {
+
+        this(module, code, args, null);
+    }
+
+    public BaseException(String module, String defaultMessage) {
+        this(module, null, null, defaultMessage);
+    }
+
+    public BaseException(String code, Object[] args) {
+        this(null, code, args, null);
+    }
+
+    public BaseException(String defaultMessage){
+        this(null,null,null,defaultMessage);
+    }
+
+    @Override
+    public String getMessage(){
+        String message=null;
+        if (code!=null){
+            message= MessageUtils.message(String.valueOf(code),args);
+        }
+        if (message==null){
+            message=defaultMessage;
+        }
+        return message;
+    }
+
+    public String getModule() {return module;}
+
+    public String getCode() {return code;}
+
+    public Object[] getArgs() {return args;}
+
+    public String getDefaultMessage() {return defaultMessage;}
 
-    public BaseException(Integer code,String message){
-        super(message);
-        this.code=code;
-        this.message=message;
+    @Override
+    public synchronized Throwable fillInStackTrace() {
+        return this;
     }
 }

common/src/main/java/com/storeroom/utils/AdminConstant.java

@@ -0,0 +1,26 @@
+package com.storeroom.utils;
+
+public class AdminConstant {
+
+    /**
+     * 用于IP定位转换
+     */
+    public static final String REGION = "内网IP|内网IP";
+    /**
+     * win 系统
+     */
+    public static final String WIN = "win";
+
+    /**
+     * mac 系统
+     */
+    public static final String MAC = "mac";
+
+    /**
+     * 常用接口
+     */
+    public static class Url {
+        // IP归属地查询
+        public static final String IP_URL = "http://whois.pconline.com.cn/ipJson.jsp?ip=%s&json=true";
+    }
+}

common/src/main/java/com/storeroom/utils/FileUtil.java

@@ -0,0 +1,356 @@
+package com.storeroom.utils;
+
+import cn.hutool.core.io.IoUtil;
+import cn.hutool.core.util.IdUtil;
+import cn.hutool.poi.excel.BigExcelWriter;
+import cn.hutool.poi.excel.ExcelUtil;
+import com.storeroom.exception.BaseException;
+import org.apache.poi.ss.usermodel.CellType;
+import org.apache.poi.util.IOUtils;
+import org.apache.poi.xssf.streaming.SXSSFCell;
+import org.apache.poi.xssf.streaming.SXSSFRow;
+import org.apache.poi.xssf.streaming.SXSSFSheet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.*;
+import java.security.MessageDigest;
+import java.text.DecimalFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+
+public class FileUtil extends cn.hutool.core.io.FileUtil{
+    private static final Logger log = LoggerFactory.getLogger(FileUtil.class);
+
+    /**
+     * 系统临时目录
+     * <br>
+     * windows 包含路径分割符，但Linux 不包含,
+     * 在windows \\==\ 前提下，
+     * 为安全起见 同意拼装 路径分割符，
+     * <pre>
+     *       java.io.tmpdir
+     *       windows : C:\Users/xxx\AppData\Local\Temp\
+     *       linux: /temp
+     * </pre>
+     */
+    public static final String SYS_TEM_DIR = System.getProperty("java.io.tmpdir") + File.separator;
+    /**
+     * 定义GB的计算常量
+     */
+    private static final int GB = 1024 * 1024 * 1024;
+    /**
+     * 定义MB的计算常量
+     */
+    private static final int MB = 1024 * 1024;
+    /**
+     * 定义KB的计算常量
+     */
+    private static final int KB = 1024;
+
+    /**
+     * 格式化小数
+     */
+    private static final DecimalFormat DF = new DecimalFormat("0.00");
+
+    public static final String IMAGE = "图片";
+    public static final String TXT = "文档";
+    public static final String MUSIC = "音乐";
+    public static final String VIDEO = "视频";
+    public static final String OTHER = "其他";
+
+
+    /**
+     * MultipartFile转File
+     */
+    public static File toFile(MultipartFile multipartFile) {
+        // 获取文件名
+        String fileName = multipartFile.getOriginalFilename();
+        // 获取文件后缀
+        String prefix = "." + getExtensionName(fileName);
+        File file = null;
+        try {
+            // 用uuid作为文件名，防止生成的临时文件重复
+            file = File.createTempFile(IdUtil.simpleUUID(), prefix);
+            // MultipartFile to File
+            multipartFile.transferTo(file);
+        } catch (IOException e) {
+            log.error(e.getMessage(), e);
+        }
+        return file;
+    }
+
+    /**
+     * 获取文件扩展名，不带 .
+     */
+    public static String getExtensionName(String filename) {
+        if ((filename != null) && (filename.length() > 0)) {
+            int dot = filename.lastIndexOf('.');
+            if ((dot > -1) && (dot < (filename.length() - 1))) {
+                return filename.substring(dot + 1);
+            }
+        }
+        return filename;
+    }
+
+    /**
+     * Java文件操作 获取不带扩展名的文件名
+     */
+    public static String getFileNameNoEx(String filename) {
+        if ((filename != null) && (filename.length() > 0)) {
+            int dot = filename.lastIndexOf('.');
+            if ((dot > -1) && (dot < (filename.length()))) {
+                return filename.substring(0, dot);
+            }
+        }
+        return filename;
+    }
+
+    /**
+     * 文件大小转换
+     */
+    public static String getSize(long size) {
+        String resultSize;
+        if (size / GB >= 1) {
+            //如果当前Byte的值大于等于1GB
+            resultSize = DF.format(size / (float) GB) + "GB   ";
+        } else if (size / MB >= 1) {
+            //如果当前Byte的值大于等于1MB
+            resultSize = DF.format(size / (float) MB) + "MB   ";
+        } else if (size / KB >= 1) {
+            //如果当前Byte的值大于等于1KB
+            resultSize = DF.format(size / (float) KB) + "KB   ";
+        } else {
+            resultSize = size + "B   ";
+        }
+        return resultSize;
+    }
+
+    /**
+     * inputStream 转 File
+     */
+    static File inputStreamToFile(InputStream ins, String name) throws Exception {
+        File file = new File(SYS_TEM_DIR + name);
+        if (file.exists()) {
+            return file;
+        }
+        OutputStream os = new FileOutputStream(file);
+        int bytesRead;
+        int len = 8192;
+        byte[] buffer = new byte[len];
+        while ((bytesRead = ins.read(buffer, 0, len)) != -1) {
+            os.write(buffer, 0, bytesRead);
+        }
+        os.close();
+        ins.close();
+        return file;
+    }
+
+    /**
+     * 将文件名解析成文件的上传路径
+     */
+    public static File upload(MultipartFile file, String filePath) {
+        Date date = new Date();
+        SimpleDateFormat format = new SimpleDateFormat("yyyyMMddhhmmssS");
+        String name = getFileNameNoEx(file.getOriginalFilename());
+        String suffix = getExtensionName(file.getOriginalFilename());
+        String nowStr = "-" + format.format(date);
+        try {
+            String fileName = name + nowStr + "." + suffix;
+            String path = filePath + fileName;
+            // getCanonicalFile 可解析正确各种路径
+            File dest = new File(path).getCanonicalFile();
+            // 检测是否存在目录
+            if (!dest.getParentFile().exists()) {
+                if (!dest.getParentFile().mkdirs()) {
+                    System.out.println("was not successful.");
+                }
+            }
+            // 文件写入
+            file.transferTo(dest);
+            return dest;
+        } catch (Exception e) {
+            log.error(e.getMessage(), e);
+        }
+        return null;
+    }
+
+    /**
+     * 导出excel
+     */
+    public static void downloadExcel(List<Map<String, Object>> list, HttpServletResponse response) throws IOException {
+        String tempPath = SYS_TEM_DIR + IdUtil.fastSimpleUUID() + ".xlsx";
+        File file = new File(tempPath);
+        BigExcelWriter writer = ExcelUtil.getBigWriter(file);
+        // 一次性写出内容，使用默认样式，强制输出标题
+        writer.write(list, true);
+        SXSSFSheet sheet = (SXSSFSheet)writer.getSheet();
+        //上面需要强转SXSSFSheet  不然没有trackAllColumnsForAutoSizing方法
+        sheet.trackAllColumnsForAutoSizing();
+        //列宽自适应
+        writer.autoSizeColumnAll();
+        //列宽自适应支持中文单元格
+        sizeChineseColumn(sheet, writer);
+        //response为HttpServletResponse对象
+        response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8");
+        //test.xls是弹出下载对话框的文件名，不能为中文，中文请自行编码
+        response.setHeader("Content-Disposition", "attachment;filename=file.xlsx");
+        ServletOutputStream out = response.getOutputStream();
+        // 终止后删除临时文件
+        file.deleteOnExit();
+        writer.flush(out, true);
+        //此处记得关闭输出Servlet流
+        IoUtil.close(out);
+    }
+
+    /**
+     * 自适应宽度(中文支持)
+     */
+    private static void sizeChineseColumn(SXSSFSheet sheet, BigExcelWriter writer) {
+        for (int columnNum = 0; columnNum < writer.getColumnCount(); columnNum++) {
+            int columnWidth = sheet.getColumnWidth(columnNum) / 256;
+            for (int rowNum = 0; rowNum < sheet.getLastRowNum(); rowNum++) {
+                SXSSFRow currentRow;
+                if (sheet.getRow(rowNum) == null) {
+                    currentRow = sheet.createRow(rowNum);
+                } else {
+                    currentRow = sheet.getRow(rowNum);
+                }
+                if (currentRow.getCell(columnNum) != null) {
+                    SXSSFCell currentCell = currentRow.getCell(columnNum);
+                    if (currentCell.getCellTypeEnum() == CellType.STRING) {
+                        int length = currentCell.getStringCellValue().getBytes().length;
+                        if (columnWidth < length) {
+                            columnWidth = length;
+                        }
+                    }
+                }
+            }
+            sheet.setColumnWidth(columnNum, columnWidth * 256);
+        }
+    }
+
+    public static String getFileType(String type) {
+        String documents = "txt doc pdf ppt pps xlsx xls docx";
+        String music = "mp3 wav wma mpa ram ra aac aif m4a";
+        String video = "avi mpg mpe mpeg asf wmv mov qt rm mp4 flv m4v webm ogv ogg";
+        String image = "bmp dib pcp dif wmf gif jpg tif eps psd cdr iff tga pcd mpt png jpeg";
+        if (image.contains(type)) {
+            return IMAGE;
+        } else if (documents.contains(type)) {
+            return TXT;
+        } else if (music.contains(type)) {
+            return MUSIC;
+        } else if (video.contains(type)) {
+            return VIDEO;
+        } else {
+            return OTHER;
+        }
+    }
+
+    public static void checkSize(long maxSize, long size) {
+        // 1M
+        int len = 1024 * 1024;
+        if (size > (maxSize * len)) {
+            throw new BaseException("文件超出规定大小");
+        }
+    }
+
+    /**
+     * 判断两个文件是否相同
+     */
+    public static boolean check(File file1, File file2) {
+        String img1Md5 = getMd5(file1);
+        String img2Md5 = getMd5(file2);
+        return img1Md5.equals(img2Md5);
+    }
+
+    /**
+     * 判断两个文件是否相同
+     */
+    public static boolean check(String file1Md5, String file2Md5) {
+        return file1Md5.equals(file2Md5);
+    }
+
+    private static byte[] getByte(File file) {
+        // 得到文件长度
+        byte[] b = new byte[(int) file.length()];
+        try {
+            InputStream in = new FileInputStream(file);
+            try {
+                System.out.println(in.read(b));
+            } catch (IOException e) {
+                log.error(e.getMessage(), e);
+            }
+        } catch (FileNotFoundException e) {
+            log.error(e.getMessage(), e);
+            return null;
+        }
+        return b;
+    }
+
+    private static String getMd5(byte[] bytes) {
+        // 16进制字符
+        char[] hexDigits = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
+        try {
+            MessageDigest mdTemp = MessageDigest.getInstance("MD5");
+            mdTemp.update(bytes);
+            byte[] md = mdTemp.digest();
+            int j = md.length;
+            char[] str = new char[j * 2];
+            int k = 0;
+            // 移位 输出字符串
+            for (byte byte0 : md) {
+                str[k++] = hexDigits[byte0 >>> 4 & 0xf];
+                str[k++] = hexDigits[byte0 & 0xf];
+            }
+            return new String(str);
+        } catch (Exception e) {
+            log.error(e.getMessage(), e);
+        }
+        return null;
+    }
+
+    /**
+     * 下载文件
+     *
+     * @param request  /
+     * @param response /
+     * @param file     /
+     */
+    public static void downloadFile(HttpServletRequest request, HttpServletResponse response, File file, boolean deleteOnExit) {
+        response.setCharacterEncoding(request.getCharacterEncoding());
+        response.setContentType("application/octet-stream");
+        FileInputStream fis = null;
+        try {
+            fis = new FileInputStream(file);
+            response.setHeader("Content-Disposition", "attachment; filename=" + file.getName());
+            IOUtils.copy(fis, response.getOutputStream());
+            response.flushBuffer();
+        } catch (Exception e) {
+            log.error(e.getMessage(), e);
+        } finally {
+            if (fis != null) {
+                try {
+                    fis.close();
+                    if (deleteOnExit) {
+                        file.deleteOnExit();
+                    }
+                } catch (IOException e) {
+                    log.error(e.getMessage(), e);
+                }
+            }
+        }
+    }
+
+    public static String getMd5(File file) {
+        return getMd5(getByte(file));
+    }
+
+}

common/src/main/java/com/storeroom/utils/MessageUtils.java

@@ -0,0 +1,13 @@
+package com.storeroom.utils;
+
+import cn.hutool.extra.spring.SpringUtil;
+import org.springframework.context.MessageSource;
+import org.springframework.context.i18n.LocaleContextHolder;
+
+public class MessageUtils {
+
+    public static String message(String code,Object... args){
+        MessageSource messageSource= SpringUtils.getBean(MessageSource.class);
+        return messageSource.getMessage(code,args,LocaleContextHolder.getLocale());
+    }
+}

common/src/main/java/com/storeroom/utils/SpringContextHolder.java

@@ -5,6 +5,7 @@ import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.DisposableBean;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
+import org.springframework.core.env.Environment;
 import org.springframework.stereotype.Component;
 
 import java.util.ArrayList;
@@ -60,6 +61,22 @@ public class SpringContextHolder implements ApplicationContextAware, DisposableB
         applicationContext = null;
     }
 
+    /**
+     * 获取SpringBoot 配置信息
+     *
+     * @param property     属性key
+     * @param defaultValue 默认值
+     * @param requiredType 返回类型
+     * @return /
+     */
+    public static <T> T getProperties(String property, T defaultValue, Class<T> requiredType) {
+        T result = defaultValue;
+        try {
+            result = getBean(Environment.class).getProperty(property, requiredType);
+        } catch (Exception ignored) {}
+        return result;
+    }
+
     @Override
     public void destroy() {
         SpringContextHolder.clearHolder();

common/src/main/java/com/storeroom/utils/SpringUtils.java

@@ -0,0 +1,54 @@
+package com.storeroom.utils;
+
+import org.springframework.aop.framework.AopContext;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
+import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.stereotype.Component;
+
+@Component
+public class SpringUtils implements BeanFactoryPostProcessor {
+
+    //Spring 应用上下文环境
+    private static ConfigurableListableBeanFactory beanFactory;
+
+
+    @Override
+    public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {
+        SpringUtils.beanFactory = beanFactory;
+    }
+
+    //获取对象
+    public static <T> T getBean(String name) throws BeansException {
+        return (T) beanFactory.getBean(name);
+    }
+
+
+    //获取类型为requiredType对象
+    public static <T> T getBean(Class<T> clz) throws BeansException {
+        T result = (T) beanFactory.getBean(clz);
+        return result;
+    }
+
+    //判断以给定名字注册的bean定义是一个singleton还是一个prototype。 如果与给定名字相应的bean定义没有被找到，将会抛出一个异常（NoSuchBeanDefinitionException）
+    public static boolean isSingleton(String name) throws NoSuchBeanDefinitionException {
+        return beanFactory.isSingleton(name);
+    }
+
+    //Class 注册对象的类型
+    public static Class<?> getType(String name) throws NoSuchBeanDefinitionException {
+        return beanFactory.getType(name);
+    }
+
+    //如果给定的bean名字在bean定义中有别名，则返回这些别名
+    public static String[] getAliases(String name) throws NoSuchBeanDefinitionException {
+        return beanFactory.getAliases(name);
+    }
+
+    //获取aop代理对象
+    @SuppressWarnings("unchecked")
+    public static <T> T getAopProxy(T invoker) {
+        return (T) AopContext.currentProxy();
+    }
+}

common/src/main/java/com/storeroom/utils/StringUtils.java

@@ -0,0 +1,270 @@
+package com.storeroom.utils;
+
+import cn.hutool.http.HttpUtil;
+import cn.hutool.json.JSONObject;
+import cn.hutool.json.JSONUtil;
+import com.storeroom.config.AdminProperties;
+import eu.bitwalker.useragentutils.Browser;
+import eu.bitwalker.useragentutils.UserAgent;
+import lombok.extern.slf4j.Slf4j;
+import org.lionsoul.ip2region.DataBlock;
+import org.lionsoul.ip2region.DbConfig;
+import org.lionsoul.ip2region.DbSearcher;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.core.io.ClassPathResource;
+
+import javax.servlet.http.HttpServletRequest;
+import java.io.File;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.UnknownHostException;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Enumeration;
+
+
+public class StringUtils extends org.apache.commons.lang3.StringUtils{
+
+    private static final Logger log = LoggerFactory.getLogger(StringUtils.class);
+    private static boolean ipLocal = false;
+    private static File file = null;
+    private static DbConfig config;
+    private static final char SEPARATOR = '_';
+    private static final String UNKNOWN = "unknown";
+
+    static {
+        SpringContextHolder.addCallBacks(() -> {
+            StringUtils.ipLocal = SpringContextHolder.getProperties("ip.local-parsing", false, Boolean.class);
+            if (ipLocal) {
+                /*
+                 * 此文件为独享 ，不必关闭
+                 */
+                String path = "ip2region/ip2region.db";
+                String name = "ip2region.db";
+                try {
+                    config = new DbConfig();
+                    file = FileUtil.inputStreamToFile(new ClassPathResource(path).getInputStream(), name);
+                } catch (Exception e) {
+                    log.error(e.getMessage(), e);
+                }
+            }
+        });
+    }
+
+    /**
+     * 驼峰命名法工具
+     *
+     * @return toCamelCase(" hello_world ") == "helloWorld"
+     * toCapitalizeCamelCase("hello_world") == "HelloWorld"
+     * toUnderScoreCase("helloWorld") = "hello_world"
+     */
+    public static String toCamelCase(String s) {
+        if (s == null) {
+            return null;
+        }
+
+        s = s.toLowerCase();
+
+        StringBuilder sb = new StringBuilder(s.length());
+        boolean upperCase = false;
+        for (int i = 0; i < s.length(); i++) {
+            char c = s.charAt(i);
+
+            if (c == SEPARATOR) {
+                upperCase = true;
+            } else if (upperCase) {
+                sb.append(Character.toUpperCase(c));
+                upperCase = false;
+            } else {
+                sb.append(c);
+            }
+        }
+
+        return sb.toString();
+    }
+
+    /**
+     * 驼峰命名法工具
+     *
+     * @return toCamelCase(" hello_world ") == "helloWorld"
+     * toCapitalizeCamelCase("hello_world") == "HelloWorld"
+     * toUnderScoreCase("helloWorld") = "hello_world"
+     */
+    public static String toCapitalizeCamelCase(String s) {
+        if (s == null) {
+            return null;
+        }
+        s = toCamelCase(s);
+        return s.substring(0, 1).toUpperCase() + s.substring(1);
+    }
+
+    /**
+     * 驼峰命名法工具
+     *
+     * @return toCamelCase(" hello_world ") == "helloWorld"
+     * toCapitalizeCamelCase("hello_world") == "HelloWorld"
+     * toUnderScoreCase("helloWorld") = "hello_world"
+     */
+    static String toUnderScoreCase(String s) {
+        if (s == null) {
+            return null;
+        }
+
+        StringBuilder sb = new StringBuilder();
+        boolean upperCase = false;
+        for (int i = 0; i < s.length(); i++) {
+            char c = s.charAt(i);
+
+            boolean nextUpperCase = true;
+
+            if (i < (s.length() - 1)) {
+                nextUpperCase = Character.isUpperCase(s.charAt(i + 1));
+            }
+
+            if ((i > 0) && Character.isUpperCase(c)) {
+                if (!upperCase || !nextUpperCase) {
+                    sb.append(SEPARATOR);
+                }
+                upperCase = true;
+            } else {
+                upperCase = false;
+            }
+
+            sb.append(Character.toLowerCase(c));
+        }
+
+        return sb.toString();
+    }
+
+    /**
+     * 获取ip地址
+     */
+    public static String getIp(HttpServletRequest request) {
+        String ip = request.getHeader("x-forwarded-for");
+        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
+            ip = request.getHeader("Proxy-Client-IP");
+        }
+        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
+            ip = request.getHeader("WL-Proxy-Client-IP");
+        }
+        if (ip == null || ip.length() == 0 || UNKNOWN.equalsIgnoreCase(ip)) {
+            ip = request.getRemoteAddr();
+        }
+        String comma = ",";
+        String localhost = "127.0.0.1";
+        if (ip.contains(comma)) {
+            ip = ip.split(",")[0];
+        }
+        if (localhost.equals(ip)) {
+            // 获取本机真正的ip地址
+            try {
+                ip = InetAddress.getLocalHost().getHostAddress();
+            } catch (UnknownHostException e) {
+                log.error(e.getMessage(), e);
+            }
+        }
+        return ip;
+    }
+
+    /**
+     * 根据ip获取详细地址
+     */
+    public static String getCityInfo(String ip) {
+        if (ipLocal) {
+            return getLocalCityInfo(ip);
+        } else {
+            return getHttpCityInfo(ip);
+        }
+    }
+
+    /**
+     * 根据ip获取详细地址
+     */
+    public static String getHttpCityInfo(String ip) {
+        String api = String.format(AdminConstant.Url.IP_URL, ip);
+        JSONObject object = JSONUtil.parseObj(HttpUtil.get(api));
+        return object.get("addr", String.class);
+    }
+
+    /**
+     * 根据ip获取详细地址
+     */
+    public static String getLocalCityInfo(String ip) {
+        try {
+            DataBlock dataBlock = new DbSearcher(config, file.getPath())
+                    .binarySearch(ip);
+            String region = dataBlock.getRegion();
+            String address = region.replace("0|", "");
+            char symbol = '|';
+            if (address.charAt(address.length() - 1) == symbol) {
+                address = address.substring(0, address.length() - 1);
+            }
+            return address.equals(AdminConstant.REGION) ? "内网IP" : address;
+        } catch (Exception e) {
+            log.error(e.getMessage(), e);
+        }
+        return "";
+    }
+
+    public static String getBrowser(HttpServletRequest request) {
+        UserAgent userAgent = UserAgent.parseUserAgentString(request.getHeader("User-Agent"));
+        Browser browser = userAgent.getBrowser();
+        return browser.getName();
+    }
+
+    /**
+     * 获得当天是周几
+     */
+    public static String getWeekDay() {
+        String[] weekDays = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
+        Calendar cal = Calendar.getInstance();
+        cal.setTime(new Date());
+
+        int w = cal.get(Calendar.DAY_OF_WEEK) - 1;
+        if (w < 0) {
+            w = 0;
+        }
+        return weekDays[w];
+    }
+
+    /**
+     * 获取当前机器的IP
+     *
+     * @return /
+     */
+    public static String getLocalIp() {
+        try {
+            InetAddress candidateAddress = null;
+            // 遍历所有的网络接口
+            for (Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); interfaces.hasMoreElements();) {
+                NetworkInterface anInterface = interfaces.nextElement();
+                // 在所有的接口下再遍历IP
+                for (Enumeration<InetAddress> inetAddresses = anInterface.getInetAddresses(); inetAddresses.hasMoreElements();) {
+                    InetAddress inetAddr = inetAddresses.nextElement();
+                    // 排除loopback类型地址
+                    if (!inetAddr.isLoopbackAddress()) {
+                        if (inetAddr.isSiteLocalAddress()) {
+                            // 如果是site-local地址，就是它了
+                            return inetAddr.getHostAddress();
+                        } else if (candidateAddress == null) {
+                            // site-local类型的地址未被发现，先记录候选地址
+                            candidateAddress = inetAddr;
+                        }
+                    }
+                }
+            }
+            if (candidateAddress != null) {
+                return candidateAddress.getHostAddress();
+            }
+            // 如果没有发现 non-loopback地址.只能用最次选的方案
+            InetAddress jdkSuppliedAddress = InetAddress.getLocalHost();
+            if (jdkSuppliedAddress == null) {
+                return "";
+            }
+            return jdkSuppliedAddress.getHostAddress();
+        } catch (Exception e) {
+            return "";
+        }
+    }
+}

pom.xml

@@ -210,6 +210,13 @@
             <version>15.3</version>
         </dependency>
 
+        <!-- ip2region IP库 -->
+        <dependency>
+            <groupId>net.dreamlu</groupId>
+            <artifactId>mica-ip2region</artifactId>
+            <version>2.5.6</version>
+        </dependency>
+
         <!-- 解析客户端操作系统、浏览器信息 -->
         <dependency>
             <groupId>eu.bitwalker</groupId>