From a06e2ee872f15d747069645243341bd81c36e236 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期三, 17 七月 2024 09:42:45 +0800
Subject: [PATCH] 1
---
src/main/java/com/se/simu/helper/WebHelper.java | 328 ++++++++++++++++++------------------------------------
1 files changed, 110 insertions(+), 218 deletions(-)
diff --git a/src/main/java/com/se/simu/helper/WebHelper.java b/src/main/java/com/se/simu/helper/WebHelper.java
index ba734c7..08db9f8 100644
--- a/src/main/java/com/se/simu/helper/WebHelper.java
+++ b/src/main/java/com/se/simu/helper/WebHelper.java
@@ -6,20 +6,16 @@
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
-import javax.servlet.ServletContext;
import javax.servlet.ServletOutputStream;
-import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
-import javax.servlet.http.HttpSession;
-import java.io.BufferedReader;
import java.io.FileInputStream;
-import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.URLEncoder;
import java.net.UnknownHostException;
import java.sql.Timestamp;
+import java.text.SimpleDateFormat;
import java.util.*;
/**
@@ -30,15 +26,23 @@
*/
@Slf4j
public class WebHelper {
+ public final static String POINT = ".";
+
private final static String COMMA = ",";
private final static String UNKNOWN = "unknown";
- public final static String TOKEN_KEY = "token";
+ /**
+ * 鏍煎紡鍖栧綋鍓嶇郴缁熸棩鏈� 4
+ */
+ public static final SimpleDateFormat YMDHMS = new SimpleDateFormat("yyyyMMddHHmmss");
- public final static String TOKEN_COOKIE_KEY = "token";
-
- public final static int COOKIE_MAX_AGE = 4 * 60 * 60;
+ /**
+ * 瀛楃涓�,鏄惁涓虹┖null鍜岀┖鏍�
+ */
+ public static boolean isEmpty(String str) {
+ return null == str || "".equals(str.trim());
+ }
/**
* 鑾峰彇GUID
@@ -114,131 +118,6 @@
}
/**
- * 鑾峰彇褰撳墠鏃堕棿鎸囧畾鍒嗛挓鏁板悗鐨凾imestamp
- */
- public static Timestamp getTimestamp(int min) {
- Calendar now = Calendar.getInstance();
- now.add(Calendar.MINUTE, min);
-
- return new Timestamp(now.getTimeInMillis());
- }
-
- /**
- * 浠嶤ookie涓幏鍙杢oken
- */
- public static String getTokenFromCookie(HttpServletRequest request) {
- Cookie[] cookies = request.getCookies();
- if (cookies == null || cookies.length == 0) {
- return null;
- }
-
- for (Cookie cookie : cookies) {
- switch (cookie.getName()) {
- case TOKEN_COOKIE_KEY:
- return cookie.getValue();
- default:
- break;
- }
- }
-
- return null;
- }
-
- /**
- * 鍚慍ookie涓坊鍔爐oken
- */
- public static void saveToken2Cookie(String token, HttpServletRequest request, HttpServletResponse response) {
- // 鍏堝垹闄�
- deleteCookies(request, response);
-
- // 鍐嶄繚瀛�
- saveCookie(TOKEN_COOKIE_KEY, token, response);
- }
-
- /**
- * 淇濆瓨Cookie
- */
- public static void saveCookie(String key, String value, HttpServletResponse response) {
- Cookie cookie = new Cookie(key, value);
- // 璁剧疆cookie澶辨晥鏃堕棿锛屽崟浣嶄负绉�
- cookie.setMaxAge(COOKIE_MAX_AGE);
- cookie.setHttpOnly(false);
- cookie.setPath("/");
- //cookie.setDomain("*")
-
- response.setHeader("P3P", "CP=CAO PSA OUR");
- response.addCookie(cookie);
- }
-
- /**
- * 鍒犻櫎cookie涓殑鍊�
- */
- public static void deleteCookie(String cookieKey, HttpServletRequest request, HttpServletResponse response) {
- Cookie[] cookies = request.getCookies();
- if (cookies != null && cookies.length > 0) {
- for (Cookie c : cookies) {
- if (cookieKey.equalsIgnoreCase(c.getName())) {
- c.setMaxAge(0);
- c.setPath("/");
- response.addCookie(c);
- }
- }
- }
- }
-
- /**
- * 鍒犻櫎鎵�鏈塁ookie
- */
- public static void deleteCookies(HttpServletRequest request, HttpServletResponse response) {
- Cookie[] cookies = request.getCookies();
- if (cookies != null && cookies.length > 0) {
- for (Cookie c : cookies) {
- c.setMaxAge(0);
- c.setPath("/");
- response.addCookie(c);
- }
- }
- }
-
- /**
- * 鏍规嵁閿幏鍙朇ookie鍊�
- */
- public static String getCookieByKey(String key, HttpServletRequest request) {
- Cookie[] cookies = request.getCookies();
- if (cookies == null || cookies.length == 0) {
- return null;
- }
-
- for (Cookie c : cookies) {
- if (key.equals(c.getName())) {
- return c.getValue();
- }
- }
-
- return null;
- }
-
- /**
- * 鑾峰彇Token
- */
- public static String getToken(HttpServletRequest request) {
- // 1.浠巙rl鍙傛暟涓紝鑾峰彇token
- String token = request.getParameter(TOKEN_KEY);
-
- // 2.涓虹┖锛屽垯浠巋eader閲岃幏鍙�
- if (token == null) {
- token = request.getHeader(TOKEN_KEY);
- }
-
- // 3.杩樹负绌猴紝鍒欎粠cookie閲岃幏鍙�
- if (token == null) {
- token = getTokenFromCookie(request);
- }
-
- return token;
- }
-
- /**
* 鑾峰彇Request
*/
public static HttpServletRequest getRequest() {
@@ -254,23 +133,6 @@
ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
return servletRequestAttributes.getResponse();
- }
-
- /**
- * 鑾峰彇Session
- */
- public static HttpSession getSession() {
- return getRequest().getSession();
- }
-
- /**
- * 鑾峰彇鐪熷疄璺緞
- */
- public static String getRealPath(String path) {
- HttpServletRequest req = getRequest();
- ServletContext ctx = req.getSession().getServletContext();
-
- return ctx.getRealPath("/" + path);
}
/**
@@ -349,8 +211,8 @@
* @throws Exception 寮傚父
*/
public static void download(String file, String fileName, boolean inline, HttpServletResponse res) throws Exception {
- if (StringHelper.isEmpty(fileName)) {
- fileName = StringHelper.YMDHMS2_FORMAT.format(new Date());
+ if (isEmpty(fileName)) {
+ fileName = YMDHMS.format(new Date());
}
fileName = URLEncoder.encode(fileName, "UTF-8").replace("+", "%20");
String dispose = inline ? "inline" : "attachment";
@@ -361,8 +223,8 @@
res.setCharacterEncoding("UTF-8");
// 閫氳繃response瀵硅薄璁剧疆鍝嶅簲鏁版嵁鏍煎紡(濡傦細"text/plain; charset=utf-8")
- String ext = FileHelper.getExtension(file);
- String mime = FileHelper.getMime(ext);
+ String ext = getExtension(file);
+ String mime = getMime(ext);
res.setContentType(mime);
// 閫氳繃response瀵硅薄锛岃幏鍙栧埌杈撳嚭娴�
@@ -384,75 +246,105 @@
}
/**
- * 鎵ц鍛戒护
- *
- * @param cmd 鍛戒护
+ * 鑾峰彇鏂囦欢鎵╁睍鍚�
*/
- public static void exec(String cmd) {
- try {
- Runtime.getRuntime().exec(cmd);
- } catch (Exception ex) {
- log.error(ex.getMessage(), ex);
+ public static String getExtension(String fileName) {
+ if (isEmpty(fileName)) {
+ return "";
}
+
+ int idx = fileName.lastIndexOf(POINT);
+ if (idx == -1) {
+ return "";
+ }
+
+ return fileName.substring(idx).toLowerCase();
}
/**
- * 鎵ц鍛戒护
- *
- * @param cmd 鍛戒护
+ * 鑾峰彇澶氱敤閫斾簰鑱旂綉閭欢鎵╁睍绫诲瀷
*/
- public static String exec2(String cmd) {
- try {
- StringBuilder sb = new StringBuilder();
- Process process = Runtime.getRuntime().exec(cmd);
- BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
-
- String line;
- while ((line = reader.readLine()) != null) {
- sb.append(line).append("\n");
- }
- reader.close();
-
- return sb.toString();
- } catch (Exception ex) {
- log.error(ex.getMessage(), ex);
- return null;
+ public static String getMime(String ext) {
+ switch (ext) {
+ // 鍥剧墖
+ case ".tif":
+ case ".tiff":
+ return "image/tiff";
+ case ".img":
+ return "application/x-img";
+ case ".gif":
+ return "image/gif";
+ case ".jpg":
+ case ".jpeg":
+ return "image/jpeg";
+ case ".png":
+ return "image/png";
+ // 闊�/瑙嗛
+ case ".mp3":
+ return "audio/mp3";
+ case ".mp4":
+ return "video/mpeg4";
+ case ".avi":
+ return "video/avi";
+ case ".mpg":
+ case ".mpeg":
+ return "video/mpg";
+ case ".wav":
+ return "audio/wav";
+ case ".wma":
+ return "audio/x-ms-wma";
+ case ".swf":
+ return "application/x-shockwave-flash";
+ case ".wmv":
+ return "video/x-ms-wmv";
+ case ".rm":
+ return "application/vnd.rn-realmedia";
+ case ".rmvb":
+ return "application/vnd.rn-realmedia-vbr";
+ // 缃戦〉
+ case ".js":
+ return "application/x-javascript";
+ case ".css":
+ return "text/css";
+ case ".asp":
+ return "text/asp";
+ case ".mht":
+ return "message/rfc822";
+ case ".jsp":
+ case ".htm":
+ case ".html":
+ case ".xhtml":
+ return "text/html";
+ case ".xml":
+ case ".svg":
+ return "text/xml";
+ // 鏂囦欢
+ case ".txt":
+ return "text/plain";
+ case ".dbf":
+ return "application/x-dbf";
+ case ".mdb":
+ return "application/msaccess";
+ case ".pdf":
+ return "application/pdf";
+ case ".ppt":
+ case ".pptx":
+ return "application/x-ppt";
+ case ".doc":
+ case ".docx":
+ return "application/msword";
+ case ".xls":
+ case ".xlsx":
+ return "application/vnd.ms-excel";
+ case ".dgn":
+ return "application/x-dgn";
+ case ".dwg":
+ return "application/x-dwg";
+ case ".ext":
+ return "application/x-msdownload";
+ // 榛樿
+ default:
+ return "application/octet-stream";
}
- }
-
- /**
- * 鑾峰彇璇锋眰鐨勫弬鏁板��
- *
- * @param req 璇锋眰
- * @param key 鍙傛暟鍚�
- * @return 鍙傛暟鍊�
- */
- public static String getReqParamVal(HttpServletRequest req, String key) {
- Map<String, String[]> maps = req.getParameterMap();
- for (Map.Entry<String, String[]> entry : maps.entrySet()) {
- if (entry.getKey().equalsIgnoreCase(key)) {
- return null == entry.getValue() || 0 == entry.getValue().length ? null : entry.getValue()[0];
- }
- }
-
- return null;
- }
-
- /**
- * 鑾峰彇璇锋眰鐨勫弬鏁板��
- *
- * @param req 璇锋眰
- * @param key 鍙傛暟鍚�
- * @return 鍙傛暟鍊�
- */
- public static String[] getReqParamVals(HttpServletRequest req, String key) {
- Map<String, String[]> maps = req.getParameterMap();
- for (Map.Entry<String, String[]> entry : maps.entrySet()) {
- if (entry.getKey().equalsIgnoreCase(key)) {
- return entry.getValue();
- }
- }
-
- return null;
}
}
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