From beb8b9745daa1dafd4558125d38212e9c269256a Mon Sep 17 00:00:00 2001
From: caozehui <2427765068@qq.com>
Date: Mon, 18 Nov 2024 10:25:13 +0800
Subject: [PATCH] =?UTF-8?q?Jwt=E5=B7=A5=E5=85=B7=E7=B1=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../common/pojo/constant/PatternRegex.java    |  2 +-
 .../pojo/constant/SecurityConstants.java      |  2 +-
 .../java/com/njcn/common/utils/JwtUtil.java   | 64 +++++++++++++++++++
 3 files changed, 66 insertions(+), 2 deletions(-)
 create mode 100644 njcn-common/src/main/java/com/njcn/common/utils/JwtUtil.java

diff --git a/njcn-common/src/main/java/com/njcn/common/pojo/constant/PatternRegex.java b/njcn-common/src/main/java/com/njcn/common/pojo/constant/PatternRegex.java
index 1434e57..fa07a12 100644
--- a/njcn-common/src/main/java/com/njcn/common/pojo/constant/PatternRegex.java
+++ b/njcn-common/src/main/java/com/njcn/common/pojo/constant/PatternRegex.java
@@ -41,7 +41,7 @@ public interface PatternRegex {
     /**
      * 登录名只能输入3-16位的英文字母或数字
      */
-    String LOGIN_NAME_REGEX = "^[a-zA-Z_.]{1}[a-zA-Z0-9_.]{2,15}$";
+    String LOGIN_NAME_REGEX = "^[a-zA-Z]{1}[a-zA-Z0-9]{2,15}$";
 
     /**
      * 手机号必须有11位，并且为数字，是正常的手机·号码开头
diff --git a/njcn-common/src/main/java/com/njcn/common/pojo/constant/SecurityConstants.java b/njcn-common/src/main/java/com/njcn/common/pojo/constant/SecurityConstants.java
index ecbe190..45d0927 100644
--- a/njcn-common/src/main/java/com/njcn/common/pojo/constant/SecurityConstants.java
+++ b/njcn-common/src/main/java/com/njcn/common/pojo/constant/SecurityConstants.java
@@ -17,7 +17,7 @@ public interface SecurityConstants {
     /**
      * JWT令牌前缀
      */
-    String AUTHORIZATION_PREFIX = "bearer ";
+    String AUTHORIZATION_PREFIX = "Bearer ";
 
     /**
      * Basic认证前缀
diff --git a/njcn-common/src/main/java/com/njcn/common/utils/JwtUtil.java b/njcn-common/src/main/java/com/njcn/common/utils/JwtUtil.java
new file mode 100644
index 0000000..0cb6fce
--- /dev/null
+++ b/njcn-common/src/main/java/com/njcn/common/utils/JwtUtil.java
@@ -0,0 +1,64 @@
+package com.njcn.common.utils;
+
+import cn.hutool.jwt.JWT;
+import cn.hutool.jwt.JWTUtil;
+
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author caozehui
+ * @data 2024/11/18
+ */
+public class JwtUtil {
+    /**
+     * 过期时间(单位:秒)
+     */
+    public static final int ACCESS_EXPIRE = 60 * 60 * 24;
+
+    private final static String SECRET = "da3f9a7ad5a7d9dd5a7d9dd5a7d9d";
+
+    /**
+     * jwt主题
+     */
+    private final static String SUBJECT = "NJCN_PQS9100";
+
+    /**
+     * jwt签发者
+     */
+    private final static String JWT_ISS = "NJCN";
+
+    public static String generateToken(String userId) {
+        Map<String, Object> headers = new HashMap<>();
+        headers.put("typ", "JWT");
+        headers.put("alg", "HS256");
+        Map<String, Object> payload = new HashMap<>();
+        payload.put("userId", userId);
+        payload.put("exp", Instant.now().plusSeconds(ACCESS_EXPIRE).getEpochSecond());
+        payload.put("sub", SUBJECT);
+        payload.put("iss", JWT_ISS);
+        payload.put("iat", Instant.now().getEpochSecond());
+        return JWTUtil.createToken(headers, payload, SECRET.getBytes(StandardCharsets.UTF_8));
+    }
+
+    public static Map<String, Object> parseToken(String token) {
+        return JWTUtil.parseToken(token)
+                .setKey(SECRET.getBytes(StandardCharsets.UTF_8))
+                .getPayload()
+                .getClaimsJson();
+    }
+
+    public static void invalidateToken(String token) {
+        JWT.of(token).setPayload("exp", Instant.now().getEpochSecond());
+    }
+
+    public static void main(String[] args) {
+        String token = generateToken("123456");
+        System.out.println(token);
+        Map<String, Object> payload = parseToken(token);
+        System.out.println(payload);
+        invalidateToken(token);
+    }
+}