feat(查询): 实现通用过滤条件构建与解析功能

新增参数常量定义和查询条件构建工具，支持复杂条件组合
重构EntityService基类以支持通用过滤条件解析
优化SpecificationUtils工具类，增加搜索文本处理方法

common/src/main/java/com/ecep/contract/constant/ParamConstant.java

@@ -1,14 +1,43 @@
 package com.ecep.contract.constant;
 
 public class ParamConstant {
+     // 操作符常量
+    public static final String KEY_like = "like";
+    public static final String KEY_notLike = "notLike";
+    public static final String KEY_in = "in";
+    public static final String KEY_notIn = "notIn";
     public static final String KEY_isNotNull = "isNotNull";
     public static final String KEY_lessThan = "lessThan";
     public static final String KEY_greaterThan = "greaterThan";
-    public static final String KEY_between = "between";
-
+    public static final String KEY_BETWEEN = "between";
+    public static final String KEY_between_begin = "begin";
+    public static final String KEY_between_end = "end";
+    public static final String KEY_INCLUDE_BEGIN = "includeBegin";
+    public static final String KEY_INCLUDE_END = "includeEnd";
     public static final String KEY_equal = "equal";
 
-    public static final String KEY_OR = "or";
-    public static final String KEY_AND = "and";
     public static final String KEY_SEARCH_TEXT = "searchText";
+    public static final String KEY_FILTER = "filter";
+    public static final String KEY_OPERATOR = "op";
+    public static final String KEY_CONDITIONS = "conditions";
+    // 新增：统一字段与值的键名、like 配置、between 边界、忽略空值
+    public static final String KEY_FIELD = "field";
+    public static final String KEY_VALUE = "value";
+    // 新增：like 的模式键名
+    public static final String KEY_MODE = "mode";
+    public static final String KEY_CASE_SENSITIVE = "caseSensitive";
+
+    public static final String KEY_IGNORE_NULL = "ignoreNull";
+
+   
+
+    public enum Operator {
+        OR, AND
+    }
+    // 新增：like 模式枚举
+    public enum Mode {
+        CONTAINS,
+        STARTS_WITH,
+        ENDS_WITH
+    }
 }