若依工具包
大约 14 分钟
若依工具包
SpringUtils
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.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
import com.ruoyi.common.utils.StringUtils;
/**
* spring工具类 方便在非spring管理环境中获取bean
*
* @author ruoyi
*/
@Component
public final class SpringUtils implements BeanFactoryPostProcessor, ApplicationContextAware
{
/** Spring应用上下文环境 */
private static ConfigurableListableBeanFactory beanFactory;
private static ApplicationContext applicationContext;
@Override
public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException
{
SpringUtils.beanFactory = beanFactory;
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException
{
SpringUtils.applicationContext = applicationContext;
}
/**
* 获取对象
*
* @param name
* @return Object 一个以所给名字注册的bean的实例
* @throws org.springframework.beans.BeansException
*
*/
@SuppressWarnings("unchecked")
public static <T> T getBean(String name) throws BeansException
{
return (T) beanFactory.getBean(name);
}
/**
* 获取类型为requiredType的对象
*
* @param clz
* @return
* @throws org.springframework.beans.BeansException
*
*/
public static <T> T getBean(Class<T> clz) throws BeansException
{
T result = (T) beanFactory.getBean(clz);
return result;
}
/**
* 如果BeanFactory包含一个与所给名称匹配的bean定义，则返回true
*
* @param name
* @return boolean
*/
public static boolean containsBean(String name)
{
return beanFactory.containsBean(name);
}
/**
* 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）
*
* @param name
* @return boolean
* @throws org.springframework.beans.factory.NoSuchBeanDefinitionException
*
*/
public static boolean isSingleton(String name) throws NoSuchBeanDefinitionException
{
return beanFactory.isSingleton(name);
}
/**
* @param name
* @return Class 注册对象的类型
* @throws org.springframework.beans.factory.NoSuchBeanDefinitionException
*
*/
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
*
* @param name
* @return
* @throws org.springframework.beans.factory.NoSuchBeanDefinitionException
*
*/
public static String[] getAliases(String name) throws NoSuchBeanDefinitionException
{
return beanFactory.getAliases(name);
}
/**
* 获取aop代理对象
*
* @param invoker
* @return
*/
@SuppressWarnings("unchecked")
public static <T> T getAopProxy(T invoker)
{
return (T) AopContext.currentProxy();
}
/**
* 获取当前的环境配置，无配置返回null
*
* @return 当前的环境配置
*/
public static String[] getActiveProfiles()
{
return applicationContext.getEnvironment().getActiveProfiles();
}
/**
* 获取当前的环境配置，当有多个环境配置时，只获取第一个
*
* @return 当前的环境配置
*/
public static String getActiveProfile()
{
final String[] activeProfiles = getActiveProfiles();
return StringUtils.isNotEmpty(activeProfiles) ? activeProfiles[0] : null;
}
/**
* 获取配置文件中的值
*
* @param key 配置文件的key
* @return 当前的配置文件的值
*
*/
public static String getRequiredProperty(String key)
{
return applicationContext.getEnvironment().getRequiredProperty(key);
}
}
字符集工具类
package com.ruoyi.common.core.text;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import com.ruoyi.common.utils.StringUtils;
/**
* 字符集工具类
*
* @author ruoyi
*/
public class CharsetKit
{
/** ISO-8859-1 */
public static final String ISO_8859_1 = "ISO-8859-1";
/** UTF-8 */
public static final String UTF_8 = "UTF-8";
/** GBK */
public static final String GBK = "GBK";
/** ISO-8859-1 */
public static final Charset CHARSET_ISO_8859_1 = Charset.forName(ISO_8859_1);
/** UTF-8 */
public static final Charset CHARSET_UTF_8 = Charset.forName(UTF_8);
/** GBK */
public static final Charset CHARSET_GBK = Charset.forName(GBK);
/**
* 转换为Charset对象
*
* @param charset 字符集，为空则返回默认字符集
* @return Charset
*/
public static Charset charset(String charset)
{
return StringUtils.isEmpty(charset) ? Charset.defaultCharset() : Charset.forName(charset);
}
/**
* 转换字符串的字符集编码
*
* @param source 字符串
* @param srcCharset 源字符集，默认ISO-8859-1
* @param destCharset 目标字符集，默认UTF-8
* @return 转换后的字符集
*/
public static String convert(String source, String srcCharset, String destCharset)
{
return convert(source, Charset.forName(srcCharset), Charset.forName(destCharset));
}
/**
* 转换字符串的字符集编码
*
* @param source 字符串
* @param srcCharset 源字符集，默认ISO-8859-1
* @param destCharset 目标字符集，默认UTF-8
* @return 转换后的字符集
*/
public static String convert(String source, Charset srcCharset, Charset destCharset)
{
if (null == srcCharset)
{
srcCharset = StandardCharsets.ISO_8859_1;
}
if (null == destCharset)
{
destCharset = StandardCharsets.UTF_8;
}
if (StringUtils.isEmpty(source) || srcCharset.equals(destCharset))
{
return source;
}
return new String(source.getBytes(srcCharset), destCharset);
}
/**
* @return 系统字符集编码
*/
public static String systemCharset()
{
return Charset.defaultCharset().name();
}
}
通用常量信息
package com.ruoyi.common.constant;
import java.util.Locale;
/**
* 通用常量信息
*
* @author ruoyi
*/
public class Constants
{
/**
* UTF-8 字符集
*/
public static final String UTF8 = "UTF-8";
/**
* GBK 字符集
*/
public static final String GBK = "GBK";
/**
* 系统语言
*/
public static final Locale DEFAULT_LOCALE = Locale.SIMPLIFIED_CHINESE;
/**
* http请求
*/
public static final String HTTP = "http://";
/**
* https请求
*/
public static final String HTTPS = "https://";
/**
* 通用成功标识
*/
public static final String SUCCESS = "0";
/**
* 通用失败标识
*/
public static final String FAIL = "1";
/**
* 登录成功
*/
public static final String LOGIN_SUCCESS = "Success";
/**
* 注销
*/
public static final String LOGOUT = "Logout";
/**
* 注册
*/
public static final String REGISTER = "Register";
/**
* 登录失败
*/
public static final String LOGIN_FAIL = "Error";
/**
* 系统用户授权缓存
*/
public static final String SYS_AUTH_CACHE = "sys-authCache";
/**
* 参数管理 cache name
*/
public static final String SYS_CONFIG_CACHE = "sys-config";
/**
* 参数管理 cache key
*/
public static final String SYS_CONFIG_KEY = "sys_config:";
/**
* 字典管理 cache name
*/
public static final String SYS_DICT_CACHE = "sys-dict";
/**
* 字典管理 cache key
*/
public static final String SYS_DICT_KEY = "sys_dict:";
/**
* 资源映射路径 前缀
*/
public static final String RESOURCE_PREFIX = "/profile";
/**
* RMI 远程方法调用
*/
public static final String LOOKUP_RMI = "rmi:";
/**
* LDAP 远程方法调用
*/
public static final String LOOKUP_LDAP = "ldap:";
/**
* LDAPS 远程方法调用
*/
public static final String LOOKUP_LDAPS = "ldaps:";
/**
* 定时任务白名单配置（仅允许访问的包名，如其他需要可以自行添加）
*/
public static final String[] JOB_WHITELIST_STR = { "com.ruoyi.quartz.task" };
/**
* 定时任务违规的字符
*/
public static final String[] JOB_ERROR_STR = { "java.net.URL", "javax.naming.InitialContext", "org.yaml.snakeyaml",
"org.springframework", "org.apache", "com.ruoyi.common.utils.file", "com.ruoyi.common.config", "com.ruoyi.generator" };
}
转义
package com.ruoyi.common.utils.html;
import com.ruoyi.common.utils.StringUtils;
/**
* 转义和反转义工具类
*
* @author ruoyi
*/
public class EscapeUtil
{
public static final String RE_HTML_MARK = "(<[^<]*?>)|(<[\\s]*?/[^<]*?>)|(<[^<]*?/[\\s]*?>)";
private static final char[][] TEXT = new char[64][];
static
{
for (int i = 0; i < 64; i++)
{
TEXT[i] = new char[] { (char) i };
}
// special HTML characters
TEXT['\''] = "'".toCharArray(); // 单引号
TEXT['"'] = """.toCharArray(); // 双引号
TEXT['&'] = "&".toCharArray(); // &符
TEXT['<'] = "<".toCharArray(); // 小于号
TEXT['>'] = ">".toCharArray(); // 大于号
}
/**
* 转义文本中的HTML字符为安全的字符
*
* @param text 被转义的文本
* @return 转义后的文本
*/
public static String escape(String text)
{
return encode(text);
}
/**
* 还原被转义的HTML特殊字符
*
* @param content 包含转义符的HTML内容
* @return 转换后的字符串
*/
public static String unescape(String content)
{
return decode(content);
}
/**
* 清除所有HTML标签，但是不删除标签内的内容
*
* @param content 文本
* @return 清除标签后的文本
*/
public static String clean(String content)
{
return new HTMLFilter().filter(content);
}
/**
* Escape编码
*
* @param text 被编码的文本
* @return 编码后的字符
*/
private static String encode(String text)
{
if (StringUtils.isEmpty(text))
{
return StringUtils.EMPTY;
}
final StringBuilder tmp = new StringBuilder(text.length() * 6);
char c;
for (int i = 0; i < text.length(); i++)
{
c = text.charAt(i);
if (c < 256)
{
tmp.append("%");
if (c < 16)
{
tmp.append("0");
}
tmp.append(Integer.toString(c, 16));
}
else
{
tmp.append("%u");
if (c <= 0xfff)
{
// issue#I49JU8@Gitee
tmp.append("0");
}
tmp.append(Integer.toString(c, 16));
}
}
return tmp.toString();
}
/**
* Escape解码
*
* @param content 被转义的内容
* @return 解码后的字符串
*/
public static String decode(String content)
{
if (StringUtils.isEmpty(content))
{
return content;
}
StringBuilder tmp = new StringBuilder(content.length());
int lastPos = 0, pos = 0;
char ch;
while (lastPos < content.length())
{
pos = content.indexOf("%", lastPos);
if (pos == lastPos)
{
if (content.charAt(pos + 1) == 'u')
{
ch = (char) Integer.parseInt(content.substring(pos + 2, pos + 6), 16);
tmp.append(ch);
lastPos = pos + 6;
}
else
{
ch = (char) Integer.parseInt(content.substring(pos + 1, pos + 3), 16);
tmp.append(ch);
lastPos = pos + 3;
}
}
else
{
if (pos == -1)
{
tmp.append(content.substring(lastPos));
lastPos = content.length();
}
else
{
tmp.append(content.substring(lastPos, pos));
lastPos = pos;
}
}
}
return tmp.toString();
}
public static void main(String[] args)
{
String html = "<script>alert(1);</script>";
String escape = EscapeUtil.escape(html);
// String html = "<scr<script>ipt>alert(\"XSS\")</scr<script>ipt>";
// String html = "<123";
// String html = "123>";
System.out.println("clean: " + EscapeUtil.clean(html));
System.out.println("escape: " + escape);
System.out.println("unescape: " + EscapeUtil.unescape(escape));
}
}
获取地址
package com.ruoyi.common.utils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.fastjson.JSONObject;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.utils.http.HttpUtils;
/**
* 获取地址类
*
* @author ruoyi
*/
public class AddressUtils
{
private static final Logger log = LoggerFactory.getLogger(AddressUtils.class);
// IP地址查询
public static final String IP_URL = "http://whois.pconline.com.cn/ipJson.jsp";
// 未知地址
public static final String UNKNOWN = "XX XX";
public static String getRealAddressByIP(String ip)
{
// 内网不查询
if (IpUtils.internalIp(ip))
{
return "内网IP";
}
if (RuoYiConfig.isAddressEnabled())
{
try
{
String rspStr = HttpUtils.sendGet(IP_URL, "ip=" + ip + "&json=true", Constants.GBK);
if (StringUtils.isEmpty(rspStr))
{
log.error("获取地理位置异常 {}", ip);
return UNKNOWN;
}
JSONObject obj = JSONObject.parseObject(rspStr);
String region = obj.getString("pro");
String city = obj.getString("city");
return String.format("%s %s", region, city);
}
catch (Exception e)
{
log.error("获取地理位置异常 {}", e);
}
}
return UNKNOWN;
}
}
Cookie
package com.ruoyi.common.utils;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Cookie工具类
*
* @author ruoyi
*/
public class CookieUtils
{
/**
* 设置 Cookie（生成时间为1天）
*
* @param name 名称
* @param value 值
*/
public static void setCookie(HttpServletResponse response, String name, String value)
{
setCookie(response, name, value, 60 * 60 * 24);
}
/**
* 设置 Cookie
*
* @param name 名称
* @param value 值
* @param maxAge 生存时间（单位秒）
* @param uri 路径
*/
public static void setCookie(HttpServletResponse response, String name, String value, String path)
{
setCookie(response, name, value, path, 60 * 60 * 24);
}
/**
* 设置 Cookie
*
* @param name 名称
* @param value 值
* @param maxAge 生存时间（单位秒）
* @param uri 路径
*/
public static void setCookie(HttpServletResponse response, String name, String value, int maxAge)
{
setCookie(response, name, value, "/", maxAge);
}
/**
* 设置 Cookie
*
* @param name 名称
* @param value 值
* @param maxAge 生存时间（单位秒）
* @param uri 路径
*/
public static void setCookie(HttpServletResponse response, String name, String value, String path, int maxAge)
{
Cookie cookie = new Cookie(name, null);
cookie.setPath(path);
cookie.setMaxAge(maxAge);
try
{
cookie.setValue(URLEncoder.encode(value, "utf-8"));
}
catch (UnsupportedEncodingException e)
{
e.printStackTrace();
}
response.addCookie(cookie);
}
/**
* 获得指定Cookie的值
*
* @param name 名称
* @return 值
*/
public static String getCookie(HttpServletRequest request, String name)
{
return getCookie(request, null, name, false);
}
/**
* 获得指定Cookie的值，并删除。
*
* @param name 名称
* @return 值
*/
public static String getCookie(HttpServletRequest request, HttpServletResponse response, String name)
{
return getCookie(request, response, name, true);
}
/**
* 获得指定Cookie的值
*
* @param request 请求对象
* @param response 响应对象
* @param name 名字
* @param isRemove 是否移除
* @return 值
*/
public static String getCookie(HttpServletRequest request, HttpServletResponse response, String name,
boolean isRemove)
{
String value = null;
Cookie[] cookies = request.getCookies();
if (cookies != null)
{
for (Cookie cookie : cookies)
{
if (cookie.getName().equals(name))
{
try
{
value = URLDecoder.decode(cookie.getValue(), "utf-8");
}
catch (UnsupportedEncodingException e)
{
e.printStackTrace();
}
if (isRemove)
{
cookie.setMaxAge(0);
response.addCookie(cookie);
}
}
}
}
return value;
}
}
时间
package com.ruoyi.common.utils;
import java.lang.management.ManagementFactory;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.util.Date;
import org.apache.commons.lang3.time.DateFormatUtils;
/**
* 时间工具类
*
* @author ruoyi
*/
public class DateUtils extends org.apache.commons.lang3.time.DateUtils
{
public static String YYYY = "yyyy";
public static String YYYY_MM = "yyyy-MM";
public static String YYYY_MM_DD = "yyyy-MM-dd";
public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
private static String[] parsePatterns = {
"yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
"yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
"yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};
/**
* 获取当前Date型日期
*
* @return Date() 当前日期
*/
public static Date getNowDate()
{
return new Date();
}
/**
* 获取当前日期, 默认格式为yyyy-MM-dd
*
* @return String
*/
public static String getDate()
{
return dateTimeNow(YYYY_MM_DD);
}
public static final String getTime()
{
return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
}
public static final String dateTimeNow()
{
return dateTimeNow(YYYYMMDDHHMMSS);
}
public static final String dateTimeNow(final String format)
{
return parseDateToStr(format, new Date());
}
public static final String dateTime(final Date date)
{
return parseDateToStr(YYYY_MM_DD, date);
}
public static final String parseDateToStr(final String format, final Date date)
{
return new SimpleDateFormat(format).format(date);
}
public static final Date dateTime(final String format, final String ts)
{
try
{
return new SimpleDateFormat(format).parse(ts);
}
catch (ParseException e)
{
throw new RuntimeException(e);
}
}
/**
* 日期路径 即年/月/日 如2018/08/08
*/
public static final String datePath()
{
Date now = new Date();
return DateFormatUtils.format(now, "yyyy/MM/dd");
}
/**
* 日期路径 即年/月/日 如20180808
*/
public static final String dateTime()
{
Date now = new Date();
return DateFormatUtils.format(now, "yyyyMMdd");
}
/**
* 日期型字符串转化为日期 格式
*/
public static Date parseDate(Object str)
{
if (str == null)
{
return null;
}
try
{
return parseDate(str.toString(), parsePatterns);
}
catch (ParseException e)
{
return null;
}
}
/**
* 获取服务器启动时间
*/
public static Date getServerStartDate()
{
long time = ManagementFactory.getRuntimeMXBean().getStartTime();
return new Date(time);
}
/**
* 计算相差天数
*/
public static int differentDaysByMillisecond(Date date1, Date date2)
{
return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
}
/**
* 计算时间差
*
* @param endDate 最后时间
* @param startTime 开始时间
* @return 时间差（天/小时/分钟）
*/
public static String timeDistance(Date endDate, Date startTime)
{
long nd = 1000 * 24 * 60 * 60;
long nh = 1000 * 60 * 60;
long nm = 1000 * 60;
// long ns = 1000;
// 获得两个时间的毫秒时间差异
long diff = endDate.getTime() - startTime.getTime();
// 计算差多少天
long day = diff / nd;
// 计算差多少小时
long hour = diff % nd / nh;
// 计算差多少分钟
long min = diff % nd % nh / nm;
// 计算差多少秒//输出结果
// long sec = diff % nd % nh % nm / ns;
return day + "天" + hour + "小时" + min + "分钟";
}
/**
* 增加 LocalDateTime ==> Date
*/
public static Date toDate(LocalDateTime temporalAccessor)
{
ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
return Date.from(zdt.toInstant());
}
/**
* 增加 LocalDate ==> Date
*/
public static Date toDate(LocalDate temporalAccessor)
{
LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
return Date.from(zdt.toInstant());
}
}
IP
package com.ruoyi.common.utils;
import java.net.InetAddress;
import java.net.UnknownHostException;
import javax.servlet.http.HttpServletRequest;
/**
* 获取IP方法
*
* @author ruoyi
*/
public class IpUtils
{
public final static String REGX_0_255 = "(25[0-5]|2[0-4]\\d|1\\d{2}|[1-9]\\d|\\d)";
// 匹配 ip
public final static String REGX_IP = "((" + REGX_0_255 + "\\.){3}" + REGX_0_255 + ")";
public final static String REGX_IP_WILDCARD = "(((\\*\\.){3}\\*)|(" + REGX_0_255 + "(\\.\\*){3})|(" + REGX_0_255 + "\\." + REGX_0_255 + ")(\\.\\*){2}" + "|((" + REGX_0_255 + "\\.){3}\\*))";
// 匹配网段
public final static String REGX_IP_SEG = "(" + REGX_IP + "\\-" + REGX_IP + ")";
/**
* 获取客户端IP
*
* @param request 请求对象
* @return IP地址
*/
public static String getIpAddr(HttpServletRequest request)
{
if (request == null)
{
return "unknown";
}
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("X-Forwarded-For");
}
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.getHeader("X-Real-IP");
}
if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
{
ip = request.getRemoteAddr();
}
return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : getMultistageReverseProxyIp(ip);
}
/**
* 检查是否为内部IP地址
*
* @param ip IP地址
* @return 结果
*/
public static boolean internalIp(String ip)
{
byte[] addr = textToNumericFormatV4(ip);
return internalIp(addr) || "127.0.0.1".equals(ip);
}
/**
* 检查是否为内部IP地址
*
* @param addr byte地址
* @return 结果
*/
private static boolean internalIp(byte[] addr)
{
if (StringUtils.isNull(addr) || addr.length < 2)
{
return true;
}
final byte b0 = addr[0];
final byte b1 = addr[1];
// 10.x.x.x/8
final byte SECTION_1 = 0x0A;
// 172.16.x.x/12
final byte SECTION_2 = (byte) 0xAC;
final byte SECTION_3 = (byte) 0x10;
final byte SECTION_4 = (byte) 0x1F;
// 192.168.x.x/16
final byte SECTION_5 = (byte) 0xC0;
final byte SECTION_6 = (byte) 0xA8;
switch (b0)
{
case SECTION_1:
return true;
case SECTION_2:
if (b1 >= SECTION_3 && b1 <= SECTION_4)
{
return true;
}
case SECTION_5:
switch (b1)
{
case SECTION_6:
return true;
}
default:
return false;
}
}
/**
* 将IPv4地址转换成字节
*
* @param text IPv4地址
* @return byte 字节
*/
public static byte[] textToNumericFormatV4(String text)
{
if (text.length() == 0)
{
return null;
}
byte[] bytes = new byte[4];
String[] elements = text.split("\\.", -1);
try
{
long l;
int i;
switch (elements.length)
{
case 1:
l = Long.parseLong(elements[0]);
if ((l < 0L) || (l > 4294967295L))
{
return null;
}
bytes[0] = (byte) (int) (l >> 24 & 0xFF);
bytes[1] = (byte) (int) ((l & 0xFFFFFF) >> 16 & 0xFF);
bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 2:
l = Integer.parseInt(elements[0]);
if ((l < 0L) || (l > 255L))
{
return null;
}
bytes[0] = (byte) (int) (l & 0xFF);
l = Integer.parseInt(elements[1]);
if ((l < 0L) || (l > 16777215L))
{
return null;
}
bytes[1] = (byte) (int) (l >> 16 & 0xFF);
bytes[2] = (byte) (int) ((l & 0xFFFF) >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 3:
for (i = 0; i < 2; ++i)
{
l = Integer.parseInt(elements[i]);
if ((l < 0L) || (l > 255L))
{
return null;
}
bytes[i] = (byte) (int) (l & 0xFF);
}
l = Integer.parseInt(elements[2]);
if ((l < 0L) || (l > 65535L))
{
return null;
}
bytes[2] = (byte) (int) (l >> 8 & 0xFF);
bytes[3] = (byte) (int) (l & 0xFF);
break;
case 4:
for (i = 0; i < 4; ++i)
{
l = Integer.parseInt(elements[i]);
if ((l < 0L) || (l > 255L))
{
return null;
}
bytes[i] = (byte) (int) (l & 0xFF);
}
break;
default:
return null;
}
}
catch (NumberFormatException e)
{
return null;
}
return bytes;
}
/**
* 获取IP地址
*
* @return 本地IP地址
*/
public static String getHostIp()
{
try
{
return InetAddress.getLocalHost().getHostAddress();
}
catch (UnknownHostException e)
{
}
return "127.0.0.1";
}
/**
* 获取主机名
*
* @return 本地主机名
*/
public static String getHostName()
{
try
{
return InetAddress.getLocalHost().getHostName();
}
catch (UnknownHostException e)
{
}
return "未知";
}
/**
* 从多级反向代理中获得第一个非unknown IP地址
*
* @param ip 获得的IP地址
* @return 第一个非unknown IP地址
*/
public static String getMultistageReverseProxyIp(String ip)
{
// 多级反向代理检测
if (ip != null && ip.indexOf(",") > 0)
{
final String[] ips = ip.trim().split(",");
for (String subIp : ips)
{
if (false == isUnknown(subIp))
{
ip = subIp;
break;
}
}
}
return StringUtils.substring(ip, 0, 255);
}
/**
* 检测给定字符串是否为未知，多用于检测HTTP请求相关
*
* @param checkString 被检测的字符串
* @return 是否未知
*/
public static boolean isUnknown(String checkString)
{
return StringUtils.isBlank(checkString) || "unknown".equalsIgnoreCase(checkString);
}
/**
* 是否为IP
*/
public static boolean isIP(String ip)
{
return StringUtils.isNotBlank(ip) && ip.matches(REGX_IP);
}
/**
* 是否为IP，或 *为间隔的通配符地址
*/
public static boolean isIpWildCard(String ip)
{
return StringUtils.isNotBlank(ip) && ip.matches(REGX_IP_WILDCARD);
}
/**
* 检测参数是否在ip通配符里
*/
public static boolean ipIsInWildCardNoCheck(String ipWildCard, String ip)
{
String[] s1 = ipWildCard.split("\\.");
String[] s2 = ip.split("\\.");
boolean isMatchedSeg = true;
for (int i = 0; i < s1.length && !s1[i].equals("*"); i++)
{
if (!s1[i].equals(s2[i]))
{
isMatchedSeg = false;
break;
}
}
return isMatchedSeg;
}
/**
* 是否为特定格式如:“10.10.10.1-10.10.10.99”的ip段字符串
*/
public static boolean isIPSegment(String ipSeg)
{
return StringUtils.isNotBlank(ipSeg) && ipSeg.matches(REGX_IP_SEG);
}
/**
* 判断ip是否在指定网段中
*/
public static boolean ipIsInNetNoCheck(String iparea, String ip)
{
int idx = iparea.indexOf('-');
String[] sips = iparea.substring(0, idx).split("\\.");
String[] sipe = iparea.substring(idx + 1).split("\\.");
String[] sipt = ip.split("\\.");
long ips = 0L, ipe = 0L, ipt = 0L;
for (int i = 0; i < 4; ++i)
{
ips = ips << 8 | Integer.parseInt(sips[i]);
ipe = ipe << 8 | Integer.parseInt(sipe[i]);
ipt = ipt << 8 | Integer.parseInt(sipt[i]);
}
if (ips > ipe)
{
long t = ips;
ips = ipe;
ipe = t;
}
return ips <= ipt && ipt <= ipe;
}
/**
* 校验ip是否符合过滤串规则
*
* @param filter 过滤IP列表,支持后缀'*'通配,支持网段如:`10.10.10.1-10.10.10.99`
* @param ip 校验IP地址
* @return boolean 结果
*/
public static boolean isMatchedIp(String filter, String ip)
{
if (StringUtils.isEmpty(filter) || StringUtils.isEmpty(ip))
{
return false;
}
String[] ips = filter.split(";");
for (String iStr : ips)
{
if (isIP(iStr) && iStr.equals(ip))
{
return true;
}
else if (isIpWildCard(iStr) && ipIsInWildCardNoCheck(iStr, ip))
{
return true;
}
else if (isIPSegment(iStr) && ipIsInNetNoCheck(iStr, ip))
{
return true;
}
}
return false;
}
}
防抖
package com.ruoyi.framework.interceptor;
import java.lang.reflect.Method;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.HandlerInterceptor;
import com.ruoyi.common.json.JSON;
import com.ruoyi.common.annotation.RepeatSubmit;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.ServletUtils;
/**
* 防止重复提交拦截器
*
* @author ruoyi
*/
@Component
public abstract class RepeatSubmitInterceptor implements HandlerInterceptor
{
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception
{
if (handler instanceof HandlerMethod)
{
HandlerMethod handlerMethod = (HandlerMethod) handler;
Method method = handlerMethod.getMethod();
RepeatSubmit annotation = method.getAnnotation(RepeatSubmit.class);
if (annotation != null)
{
if (this.isRepeatSubmit(request, annotation))
{
AjaxResult ajaxResult = AjaxResult.error(annotation.message());
ServletUtils.renderString(response, JSON.marshal(ajaxResult));
return false;
}
}
return true;
}
else
{
return true;
}
}
/**
* 验证是否重复提交由子类实现具体的防重复提交的规则
*
* @param request 请求对象
* @param annotation 防复注解
* @return 结果
*/
public abstract boolean isRepeatSubmit(HttpServletRequest request, RepeatSubmit annotation) throws Exception;
}
package com.ruoyi.framework.interceptor.impl;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.springframework.stereotype.Component;
import com.ruoyi.common.annotation.RepeatSubmit;
import com.ruoyi.common.json.JSON;
import com.ruoyi.framework.interceptor.RepeatSubmitInterceptor;
/**
* 判断请求url和数据是否和上一次相同，
* 如果和上次相同，则是重复提交表单。 有效时间为10秒内。
*
* @author ruoyi
*/
@Component
public class SameUrlDataInterceptor extends RepeatSubmitInterceptor
{
public final String REPEAT_PARAMS = "repeatParams";
public final String REPEAT_TIME = "repeatTime";
public final String SESSION_REPEAT_KEY = "repeatData";
@SuppressWarnings("unchecked")
@Override
public boolean isRepeatSubmit(HttpServletRequest request, RepeatSubmit annotation) throws Exception
{
// 本次参数及系统时间
String nowParams = JSON.marshal(request.getParameterMap());
Map<String, Object> nowDataMap = new HashMap<String, Object>();
nowDataMap.put(REPEAT_PARAMS, nowParams);
nowDataMap.put(REPEAT_TIME, System.currentTimeMillis());
// 请求地址（作为存放session的key值）
String url = request.getRequestURI();
HttpSession session = request.getSession();
Object sessionObj = session.getAttribute(SESSION_REPEAT_KEY);
if (sessionObj != null)
{
Map<String, Object> sessionMap = (Map<String, Object>) sessionObj;
if (sessionMap.containsKey(url))
{
Map<String, Object> preDataMap = (Map<String, Object>) sessionMap.get(url);
if (compareParams(nowDataMap, preDataMap) && compareTime(nowDataMap, preDataMap, annotation.interval()))
{
return true;
}
}
}
Map<String, Object> sessionMap = new HashMap<String, Object>();
sessionMap.put(url, nowDataMap);
session.setAttribute(SESSION_REPEAT_KEY, sessionMap);
return false;
}
/**
* 判断参数是否相同
*/
private boolean compareParams(Map<String, Object> nowMap, Map<String, Object> preMap)
{
String nowParams = (String) nowMap.get(REPEAT_PARAMS);
String preParams = (String) preMap.get(REPEAT_PARAMS);
return nowParams.equals(preParams);
}
/**
* 判断两次间隔时间
*/
private boolean compareTime(Map<String, Object> nowMap, Map<String, Object> preMap, int interval)
{
long time1 = (Long) nowMap.get(REPEAT_TIME);
long time2 = (Long) preMap.get(REPEAT_TIME);
if ((time1 - time2) < interval)
{
return true;
}
return false;
}
}