first commit

2026-09-02 16:31:50 +08:00
commit a461727193
911 changed files with 692450 additions and 0 deletions
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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JSMachine.WMS.Infrastructure.FullTextSearch
+{
+    /// <summary>
+    /// 全文检索忽略字段标记
+    /// </summary>
+    public class FullTextSearchIgnoreAttribute : Attribute
+    {
+
+    }
+}
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+using JSMachine.WMS.Infrastructure.LambdaHelp;
+using System;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Reflection;
+
+namespace JSMachine.WMS.Infrastructure.FullTextSearch
+{
+    /// <summary>
+    /// 全文检索表达式目录树辅助类
+    /// </summary>
+    public static class FulleTextSearchHelper<T> where T : class, new()
+    {
+        private static PropertyInfo[] Properties = typeof(T).GetProperties();
+
+        /// <summary>
+        /// 构建全文检索表达式目录树(精确匹配)
+        /// </summary>
+        public static Expression<Func<T, bool>> BuildFullTextSearchEqualExpression(object keyWords)
+        {
+            if (keyWords == null || string.IsNullOrEmpty(keyWords.ToString()))
+            {
+                return ExpressionTreeHelper<T>.True();
+            }
+
+
+            Expression<Func<T, bool>> initTree = ExpressionTreeHelper<T>.False();
+
+            foreach (PropertyInfo propertyInfo in Properties)
+            {
+                FullTextSearchIgnoreAttribute ignoreAttrbute = propertyInfo
+                    .GetCustomAttributes()
+                    .FirstOrDefault(attribute => attribute is FullTextSearchIgnoreAttribute)
+                    as FullTextSearchIgnoreAttribute;
+
+                if (ignoreAttrbute == null)
+                {
+                    Expression<Func<T, bool>> express = ExpressionTreeHelper<T>.CreateEqual(propertyInfo.Name, keyWords);
+                    initTree = initTree.Or(express);
+                }
+            }
+
+            return initTree;
+        }
+
+        /// <summary>
+        /// 构建全文检索表达式目录树(模糊匹配)
+        /// </summary>
+        public static Expression<Func<T, bool>> BuildFullTextSearchLikeExpression(object keyWords)
+        {
+            if (keyWords == null || string.IsNullOrEmpty(keyWords.ToString()))
+            {
+                return ExpressionTreeHelper<T>.True();
+            }
+
+            Expression<Func<T, bool>> initTree = ExpressionTreeHelper<T>.False();
+
+            foreach (PropertyInfo propertyInfo in Properties)
+            {
+                FullTextSearchIgnoreAttribute ignoreAttrbute = propertyInfo
+                    .GetCustomAttributes()
+                    .FirstOrDefault(attribute => attribute is FullTextSearchIgnoreAttribute)
+                    as FullTextSearchIgnoreAttribute;
+
+                if (ignoreAttrbute == null)
+                {
+                    //值类型
+                    Type[] valueTypes = new Type[5] ;
+
+                    //如果是可空类型
+                    if (propertyInfo.PropertyType.IsGenericType && propertyInfo.PropertyType.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))
+                    {
+                        valueTypes = new Type[5] { typeof(int?), typeof(byte?), typeof(double?), typeof(float?), typeof(DateTime?) };
+                        Expression<Func<T, bool>> express = ExpressionTreeHelper<T>.CreateEqual(propertyInfo.Name, keyWords);
+                        initTree = initTree.Or(express);
+                    }
+                    //值类型只能精准匹配
+                    else if (valueTypes.Contains(propertyInfo.PropertyType))
+                    {
+                        valueTypes = new Type[5] { typeof(int), typeof(byte), typeof(double), typeof(float), typeof(DateTime) };
+                        Expression<Func<T, bool>> express = ExpressionTreeHelper<T>.CreateEqual(propertyInfo.Name, keyWords);
+                        initTree = initTree.Or(express);
+                    }
+                    else if(propertyInfo.PropertyType==typeof(string))
+                    {
+                        Expression<Func<T, bool>> express = ExpressionTreeHelper<T>.GetContains(propertyInfo.Name, keyWords);
+                        initTree = initTree.Or(express);
+                    }
+                }
+            }
+
+            return initTree;
+        }
+    }
+}