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Java
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package com.yutou.tools.utils;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.yutou.tools.interfaces.DownloadInterface;
import com.yutou.tools.nas.UpdateIp;
import org.apache.commons.codec.digest.DigestUtils;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.type.filter.TypeFilter;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.User;
import org.springframework.stereotype.Controller;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.multipart.MultipartFile;
import javax.annotation.Resource;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.text.SimpleDateFormat;
import java.util.*;
public class Tools {
/**
* 设置Cookie
*
* @param response
* @param key
* @param value
* @param time
*/
public static void setCookie(HttpServletResponse response, String key, String value, int time) {
Cookie cookie = new Cookie(key, value);
if (time != -1) {
cookie.setMaxAge(time);
}
cookie.setPath("/");
response.addCookie(cookie);
}
/**
* 获取Cookie
*
* @param request
* @param key
* @return
*/
public static Cookie getCookie(HttpServletRequest request, String key) {
Cookie[] cookies = request.getCookies();
try {
for (Cookie cookie : cookies) {
if (key != null && cookie.getName().equals(key)) {
return cookie;
}
}
} catch (Exception ignored) {
}
return null;
}
/**
* 删除Cookie
*
* @param request
* @param response
* @param key
* @return
*/
public static String deleteCookie(HttpServletRequest request, HttpServletResponse response, String key) {
for (Cookie cookie : request.getCookies()) {
if (cookie.getName().equals(key)) {
System.out.println("删除key=" + key);
cookie.setMaxAge(0);
cookie.setPath("/");
cookie.setValue(null);
response.addCookie(cookie);
}
}
return "ok";
}
public static void sendServer(String title, String msg) {
try {
System.out.println("title=" + title + " msg=" + msg);
HttpTools.post("https://sctapi.ftqq.com/SCT2619Tpqu93OYtQCrK4LOZYEfr2irm.send",
("title=" + URLEncoder.encode(title, "UTF-8") + "&desp=" + URLEncoder.encode(msg, "UTF-8")).getBytes(StandardCharsets.UTF_8));
if (!StringUtils.isEmpty(UpdateIp.nas_ip)) {
String img = null;
msg = msg.replace("<br/>", "\n");
if (msg.contains("![logo]")) {
try {
img = msg.split("!\\[logo\\]\\(")[1].split("\\)")[0];
msg = msg.replace("![logo](" + img + ")", "");
} catch (Exception e) {
e.printStackTrace();
}
}
String url;
if (img == null) {
url = "http://" + UpdateIp.nas_ip + ":8000/qq/bot/send.do?msg=" + URLEncoder.encode((title + "\n" + msg), "UTF-8") + "&token=zIrsh9TUZP2lfRW753PannG49E7VJvor";
} else {
url = "http://" + UpdateIp.nas_ip + ":8000/qq/bot/send.do?msg=" + URLEncoder.encode((title + "\n" + msg), "UTF-8")
+ "&imgUrl=" + img
+ "&token=zIrsh9TUZP2lfRW753PannG49E7VJvor";
}
System.out.println(url);
HttpTools.get(url);
}
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 获取项目路径
*
* @param request
* @return
*/
public static String getPath(HttpServletRequest request) {
return request.getServletContext().getRealPath("/") + "/";
}
/**
* 获取客户端IP
*
* @param request
* @return
*/
public static String getRemoteAddress(HttpServletRequest request) {
String ip = request.getHeader("x-forwarded-for");
if (ip == null || ip.length() == 0 || ip.equalsIgnoreCase("unknown")) {
ip = request.getHeader("Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || ip.equalsIgnoreCase("unknown")) {
ip = request.getHeader("WL-Proxy-Client-IP");
}
if (ip == null || ip.length() == 0 || ip.equalsIgnoreCase("unknown")) {
ip = request.getRemoteAddr();
}
return ip;
}
/**
* N以内的不重复随机数
*
* @param min 最小值
* @param max 最大值
* @param n
* @return
*/
public static int[] randomCommon(int min, int max, int n) {
int len = max - min + 1;
if (max < min || n > len) {
return new int[0];
}
// 初始化给定范围的待选数组
int[] source = new int[len];
for (int i = min; i < min + len; i++) {
source[i - min] = i;
}
int[] result = new int[n];
Random rd = new Random();
int index = 0;
for (int i = 0; i < result.length; i++) {
// 待选数组0到(len-2)随机一个下标
index = Math.abs(rd.nextInt() % len--);
// 将随机到的数放入结果集
result[i] = source[index];
// 将待选数组中被随机到的数,用待选数组(len-1)下标对应的数替换
source[index] = source[len];
}
return result;
}
public static int checkWebLogin(HttpServletRequest request) {
JSONArray array = new JSONArray();
if (RedisTools.get("bean") != null) {
array = JSONArray.parseArray(RedisTools.get("bean"));
}
if (array.contains(Tools.getRemoteAddress(request))) {
System.out.println("IP已被封禁");
return -100;
}
Cookie cookie = Tools.getCookie(request, "user");
if (cookie == null) {
return -1;
}
if (RedisTools.get(cookie.getValue()).equals("ok")) {
return 1;
}
return 0;
}
/**
* 保存上传的文件
*
* @param path 路径
* @param file 文件
* @return
* @throws Exception
*/
public static String createFile(String path, MultipartFile file, String newFileName) throws Exception {
String savePath = new File("").getAbsolutePath() + File.separator + "html" + File.separator + path;
File servicePath = new File(savePath);
if (!servicePath.exists()) {
servicePath.mkdirs();
}
String fileName = file.getOriginalFilename();
if (newFileName != null) {
fileName = newFileName;
}
File saveFile = new File(savePath + "/" + fileName);
if (saveFile.exists()) {
if (!saveFile.delete()) {
saveFile = new File(savePath + "/" + fileName.replace(".", "_" + new Date().getTime() + "."));
}
}
file.transferTo(saveFile);
System.out.println("上传文件保存路径:" + saveFile.getAbsolutePath());
return saveFile.getAbsolutePath();
}
public static void download(String url, DownloadInterface downloadInterface) {
try {
HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
connection.addRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36");
connection.disconnect();
new File("tmp").mkdirs();
File file = new File("tmp" + File.separator + url.trim().split("/")[url.trim().split("/").length - 1]);
if (file.exists()) {
file.delete();
}
FileOutputStream outputStream = new FileOutputStream(file);
InputStream inputStream = connection.getInputStream();
byte[] bytes = new byte[4096];
int len;
while ((len = inputStream.read(bytes)) != -1) {
outputStream.write(bytes, 0, len);
outputStream.flush();
}
outputStream.close();
inputStream.close();
downloadInterface.onDownload(file.getAbsolutePath());
} catch (IOException e) {
e.printStackTrace();
downloadInterface.onError(e);
}
}
public static ResponseEntity<FileSystemResource> getFile(File file, MediaType mediaType) {
HttpHeaders headers = new HttpHeaders();
//headers.add("Cache-Control", "no-cache, no-store, must-revalidate");
try {
headers.add("Content-Disposition", "attachment; filename=" + URLEncoder.encode(file.getName(), "UTF-8"));
} catch (UnsupportedEncodingException e) {
headers.add("Content-Disposition", "attachment; filename=" + file.getName());
}
//headers.add("Pragma", "no-cache");
// headers.add("Expires", "0");
// headers.add("Last-Modified", new Date().toString());
// headers.add("ETag", String.valueOf(System.currentTimeMillis()));
headers.remove("Vary");
headers.remove("Connection");
headers.remove("Content-Disposition");
return ResponseEntity.ok().headers(headers).contentLength(file.length()).contentType(mediaType).body(new FileSystemResource(file));
}
/**
* 构造给前端的文件
*
* @param file 文件路径
* @return 前端获取的文件
*/
public static ResponseEntity<FileSystemResource> getFile(File file) {
return getFile(file, MediaType.parseMediaType("application/octet-stream"));
}
public static String getFileMD5(File file) {
if (!file.isFile()) {
return null;
}
MessageDigest digest = null;
FileInputStream in = null;
byte buffer[] = new byte[1024];
int len;
try {
digest = MessageDigest.getInstance("MD5");
in = new FileInputStream(file);
while ((len = in.read(buffer, 0, 1024)) != -1) {
digest.update(buffer, 0, len);
}
in.close();
} catch (Exception e) {
e.printStackTrace();
return null;
}
return bytesToHexString(digest.digest());
}
private static String bytesToHexString(byte[] src) {
StringBuilder stringBuilder = new StringBuilder("");
if (src == null || src.length <= 0) {
return null;
}
for (byte aSrc : src) {
int v = aSrc & 0xFF;
String hv = Integer.toHexString(v);
if (hv.length() < 2) {
stringBuilder.append(0);
}
stringBuilder.append(hv);
}
return stringBuilder.toString();
}
public static String base64ToString(String base) {
base = base.replace(" ", "+");
try {
base = new String(Base64.getDecoder().decode(base.replace("\r\n", "").getBytes()));
} catch (Exception e) {
try {
base = URLDecoder.decode(base, "UTF-8");
base = base.replace(" ", "+");
base = new String(Base64.getDecoder().decode(base.replace("\r\n", "").getBytes()));
} catch (Exception e1) {
e1.printStackTrace();
}
}
return base;
}
/**
* 异常输出
*
* @param e 异常
* @return
*/
public static String getExceptionString(Exception e) {
StringWriter writer = new StringWriter();
PrintWriter printWriter = new PrintWriter(writer);
e.printStackTrace(printWriter);
printWriter.close();
return writer.toString();
}
public static String getToDayTime() {
return new SimpleDateFormat("yyyy-MM-dd").format(new Date());
}
/**
* 扫描使用注解的类
*
* @param packageName 扫描包名
* @param annotation 注解类
* @return 扫描到的集合
*/
public static List<Class> scanClass(String packageName, Class<? extends Annotation> annotation) {
List<Class> classList = new ArrayList<>();
if (ObjectUtils.isEmpty(packageName)) {
return classList;
}
ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(false);
TypeFilter includeFilter = (metadataReader, metadataReaderFactory) -> true;
provider.addIncludeFilter(includeFilter);
Set<BeanDefinition> beanDefinitionSet = new HashSet<>();
// 指定扫描的包名
Set<BeanDefinition> candidateComponents = provider.findCandidateComponents(packageName);
beanDefinitionSet.addAll(candidateComponents);
beanDefinitionSet.forEach(beanDefinition -> {
try {
Class clazz = Class.forName(beanDefinition.getBeanClassName());
if (!ObjectUtils.isEmpty(annotation)) {
if (!ObjectUtils.isEmpty(AnnotationUtils.getAnnotation(clazz, annotation))) {
classList.add(clazz);
}
} else {
classList.add(clazz);
}
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
// System.out.println(definition.getBeanClassName());
});
return classList;
}
/**
* 获取Url
*
* @param packageName 扫描包名
* @param className 指定类如无指定类为null即可
* @return url集合
*/
public static List<String> getUrls(String packageName, String className) {
List<Class> list = scanClass(packageName, Controller.class);
List<String> urls = new ArrayList<>();
for (Class aClass : list) {
if (className != null && !aClass.getSimpleName().equals(className)) {
continue;
}
Method[] methods = aClass.getDeclaredMethods();
for (Method method : methods) {
RequestMapping ls = method.getAnnotation(RequestMapping.class);
if (ls != null) {
urls.add(ls.value()[0]);
}
}
}
return urls;
}
public static String getLoginUser() {
Object user = SecurityContextHolder.getContext().getAuthentication().getPrincipal();
if (user instanceof String) {
return (String) user;
} else {
return ((User) user).getUsername();
}
}
public static boolean isAdminLogin() {
return "admin".equals(getLoginUser());
}
public static String getMD5(String str) {
return DigestUtils.md5Hex(str);
}
public static String getToDayNowTimeToString() {
return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
}
public static String getPinYin(String text) {
String pinyin = HttpTools.get("http://api.tianapi.com/pinyin/index?key=a1e0f7267037c4e0ea02fb1cb3912367&text=" + URLEncoder.encode(text, StandardCharsets.UTF_8));
JSONObject json = JSONObject.parseObject(pinyin);
if (json.getInteger("code") == 200) {
return json.getJSONArray("newslist").getJSONObject(0).getString("pinyin").trim().replace(" ", "");
}
return "";
}
}