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ruoyi-cai/src/main/java/com/ruoyi/cai/util/VersionUtil.java

@@ -0,0 +1,36 @@
+package com.ruoyi.cai.util;
+
+import com.ruoyi.cai.enums.version.VersionPlatformEnum;
+import com.ruoyi.common.utils.ServletUtils;
+
+import javax.servlet.http.HttpServletRequest;
+
+public class VersionUtil {
+
+    public static String getAppVersion(){
+        HttpServletRequest request = ServletUtils.getRequest();
+        return request.getHeader("version");
+    }
+
+    public static VersionPlatformEnum getVersionPlatform(){
+        HttpServletRequest request = ServletUtils.getRequest();
+        String sourceId = request.getHeader("source_id");
+        if("2".equals(sourceId)){
+            return VersionPlatformEnum.IOS;
+        }
+        return VersionPlatformEnum.ANDROID;
+    }
+
+    public static int compareVersion(String v1, String v2) {
+        String[] ss1 = v1.split("\\."), ss2 = v2.split("\\.");
+        int n = ss1.length, m = ss2.length;
+        int i = 0, j = 0;
+        while (i < n || j < m) {
+            int a = 0, b = 0;
+            if (i < n) a = Integer.parseInt(ss1[i++]);
+            if (j < m) b = Integer.parseInt(ss2[j++]);
+            if (a != b) return a > b ? 1 : -1;
+        }
+        return 0;
+    }
+}