wip: 通知公告开发临时提交

通知公告开发临时提交

src/main/java/com/youlai/boot/common/util/CommonUtil.java

@@ -0,0 +1,63 @@
+package com.youlai.boot.common.util;
+
+import com.youlai.boot.common.constant.SymbolConstant;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * 通用工具类
+ *
+ * @author Theo
+ * @since 2024-9-1 23:42:33
+ * @version 1.0.0
+ */
+public class CommonUtil {
+
+    private CommonUtil(){}
+
+
+
+    /**
+     * 将List转换为字符串
+     *
+     * @param list      List
+     * @param separator 分隔符
+     * @return 字符串
+     */
+    public static String listToStr(List<String> list, String separator) {
+        return list.stream().collect(Collectors.joining(separator));
+    }
+
+    /**
+     * 将字符串转换为List
+     *
+     * @param list      List
+     * @return List
+     */
+    public static String listToStr(List<String> list) {
+        return listToStr(list, SymbolConstant.COMMA);
+    }
+
+    /**
+     * 将字符串转换为List
+     *
+     * @param str       字符串
+     * @return List
+     */
+    public static List<String> strToList(String str) {
+        return strToList(str, SymbolConstant.COMMA);
+    }
+
+    /**
+     * 将字符串转换为List
+     *
+     * @param str       字符串
+     * @param separator 分隔符
+     * @return List
+     */
+    public static List<String> strToList(String str, String separator) {
+        return List.of(str.split(separator));
+    }
+
+}