init: UserBaseService (backend + deploy + scripts)

src/main/java/com/yunhai/userbase/utils/OtherUtil.java

@@ -0,0 +1,139 @@
+package com.yunhai.userbase.utils;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONException;
+import com.alibaba.fastjson.JSONObject;
+import com.bestsch.utils.DException;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+/*
+* 杂项公用方法集合
+* */
+public class OtherUtil {
+
+    /**
+     * 十六进制转字符串
+     * @param hex
+     * @return
+     */
+    public final static String hexToString(String hex) {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < hex.length(); i += 2) {
+            String hexSubstring = hex.substring(i, i + 2);
+            int decimalValue = Integer.parseInt(hexSubstring, 16);
+            sb.append((char) decimalValue);
+        }
+        return sb.toString();
+    }
+    
+    /**
+    * @Description: 判断字符串能否序列化
+    * @Author: chenx
+    * @Date: 2023/4/20
+    */
+    public final static boolean isJSONValid(String str) {
+        try {
+            JSONObject.parse(str);
+        } catch (JSONException ex) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * @Description: 判断字符串能否序列化为json数组
+     * @Author: chenx
+     * @Date: 2023/4/20
+     */
+    public  final  static boolean isJsonArray(String str) {
+        if (!isJSONValid(str)) return false;
+        try {
+            Object object = JSON.parse(str);
+            return object instanceof JSONArray;
+        } catch (JSONException ex) {
+            return false;
+        }
+    }
+
+    /**
+     * @Description: 数组深拷贝
+     * @Author: chenx
+     * @Date: 2023/4/20
+     */
+    public  final  static <T> List<T> deepCopy(List<T> src, Class<T> clazz) {
+        String jsonStr=JSON.toJSONString(src);
+        if (!isJsonArray(jsonStr)) return src;
+        return  JSONArray.parseArray(jsonStr,clazz);
+    }
+
+    /**
+     * @Description: 逗号分隔字符串转List数组
+     * @Author: chenx
+     * @Date: 2023/4/20
+     */
+    public final static List<Integer> SplitToList(String idsStr) {
+        return Arrays.stream(idsStr.split(",")).map(s -> Integer.parseInt(s.trim())).collect(Collectors.toList());
+    }
+
+    /**
+     * 判断是否为校领导
+    */
+    public final static Boolean isAdminById(Integer roleId){
+        return Arrays.asList(2,5,7).contains(roleId);
+    }
+
+
+    public static JSONObject getDataOrThrow(String result) {
+        JSONObject root = JSON.parseObject(result);
+        if (root.getIntValue("code") != 0) {
+            throw new DException("接口异常: " + root.getString("msg"));
+        }
+        return root.getJSONObject("data");
+    }
+
+    /**
+     * result 里 data 直接就是数组 []，返回 List<JSONObject>
+     */
+    public static List<JSONObject> getDataArray(String result) {
+        JSONObject root = JSON.parseObject(result);
+        if (root.getIntValue("code") != 0) {
+            throw new DException("接口异常: " + root.getString("msg"));
+        }
+        // data 本身就是 JSONArray
+        return root.getJSONArray("data").toJavaList(JSONObject.class);
+    }
+
+
+    /**
+     * 根据 code 最大值返回学段
+     * 1~6  → 2
+     * 7~9  → 3
+     * 10~12→ 4
+     */
+    public static int calcStage(List<Integer> codes) {
+        if (codes == null || codes.isEmpty()) {
+            throw new IllegalArgumentException("codes 不能为空");
+        }
+        int max = codes.stream().max(Integer::compareTo).get();
+        if (max <= 6) return 2;
+        if (max <= 9) return 3;
+        return 4;
+    }
+
+
+    public static String getUUID(){
+        return UUID.randomUUID().toString().replace("-","");
+    }
+
+
+    public static  Integer parseIntNullable(Object val) {
+        return val == null ? null : Integer.parseInt(val.toString());
+    }
+
+
+}