实现用户角色权限区域管理模块

guigu-ssyx-parent/common/common-util/pom.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.atguigu</groupId>
+        <artifactId>common</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>common-util</artifactId>
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.jsonwebtoken</groupId>
+            <artifactId>jjwt</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>joda-time</groupId>
+            <artifactId>joda-time</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>com.atguigu</groupId>
+            <artifactId>model</artifactId>
+            <version>1.0-SNAPSHOT</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+    <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>

guigu-ssyx-parent/common/common-util/src/main/java/com/atguigu/ssyx/common/utils/MD5.java

@@ -0,0 +1,32 @@
+package com.atguigu.ssyx.common.utils;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+
+public final class MD5 {
+
+    public static String encrypt(String strSrc) {
+        try {
+            char[] hexChars = {'0', '1', '2', '3', '4', '5', '6', '7', '8',
+                    '9', 'a', 'b', 'c', 'd', 'e', 'f'};
+            byte[] bytes = strSrc.getBytes();
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            md.update(bytes);
+            bytes = md.digest();
+            int j = bytes.length;
+            char[] chars = new char[j * 2];
+            int k = 0;
+            for (int i = 0; i < bytes.length; i++) {
+                byte b = bytes[i];
+                chars[k++] = hexChars[b >>> 4 & 0xf];
+                chars[k++] = hexChars[b & 0xf];
+            }
+            return new String(chars);
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+            throw new RuntimeException("MD5加密出错！！+" + e);
+        }
+    }
+
+}