From 91030ca8300557a1e03e17fb34167c16577aad45 Mon Sep 17 00:00:00 2001
From: schangxiang@126.com <schangxiang@126.com>
Date: 周一, 12 5月 2025 11:46:16 +0800
Subject: [PATCH] 优化代码
---
Weben_CMS专用代码生成器/queryExtensions/CmsQueryExtensions/Extension/DynamicSearchParameters/PredicateExtensions/PredicateExtensions.cs | 102 +++++++++++++++++++++++++++++++++++++++++---------
1 files changed, 83 insertions(+), 19 deletions(-)
diff --git "a/Weben_CMS\344\270\223\347\224\250\344\273\243\347\240\201\347\224\237\346\210\220\345\231\250/queryExtensions/CmsQueryExtensions/Extension/DynamicSearchParameters/PredicateExtensions/PredicateExtensions.cs" "b/Weben_CMS\344\270\223\347\224\250\344\273\243\347\240\201\347\224\237\346\210\220\345\231\250/queryExtensions/CmsQueryExtensions/Extension/DynamicSearchParameters/PredicateExtensions/PredicateExtensions.cs"
index 5240657..d8796d5 100644
--- "a/Weben_CMS\344\270\223\347\224\250\344\273\243\347\240\201\347\224\237\346\210\220\345\231\250/queryExtensions/CmsQueryExtensions/Extension/DynamicSearchParameters/PredicateExtensions/PredicateExtensions.cs"
+++ "b/Weben_CMS\344\270\223\347\224\250\344\273\243\347\240\201\347\224\237\346\210\220\345\231\250/queryExtensions/CmsQueryExtensions/Extension/DynamicSearchParameters/PredicateExtensions/PredicateExtensions.cs"
@@ -77,6 +77,47 @@
return finalExpression;
}
+ ///// <summary>
+ ///// (妯＄硦鏌ヨ)鎷兼帴鎴� c.Name.contains("1111")||c.Code.Contains("1111")||c.Address.Contains("1111")) 褰㈠紡
+ ///// </summary>
+ ///// <typeparam name="T"></typeparam>
+ ///// <param name="options"></param>
+ ///// <param name="fieldName"></param>
+ ///// <returns></returns>
+ //public static Expression<Func<T, bool>> GetConditionExpressionForFuzzyQuery<T>(string[] fieldNames, string fieldValue)
+ //{
+ // try
+ // {
+ // ParameterExpression left = Expression.Parameter(typeof(T), "c");//c=>
+ // Expression expression = Expression.Constant(true);//淇敼涓簍rue锛岃В鍐冲叕鍏辨ā绯婃煡璇㈢殑闂
+ // foreach (var fieldName in fieldNames)
+ // {
+ // try
+ // {
+ // Expression right = Expression.Call
+ // (
+ // Expression.Property(left, typeof(T).GetProperty(fieldName)), //c.DataSourceName
+ // typeof(string).GetMethod("Contains", new Type[] { typeof(string) }),// 鍙嶅皠浣跨敤.Contains()鏂规硶
+ // Expression.Constant(fieldValue) // .Contains(fieldValue)
+ // );
+ // expression = Expression.Or(right, expression);//c.AAA.contain("") || c.BBB.contain("")
+ // }
+ // catch (Exception ex)
+ // {
+ // throw new Exception($"鍙傛暟{fieldName}鍖归厤鍏抽敭瀛楁煡璇㈡椂澶辫触:" + ex.Message);
+ // }
+ // }
+ // Expression<Func<T, bool>> finalExpression
+ // = Expression.Lambda<Func<T, bool>>(expression, new ParameterExpression[] { left });
+ // return finalExpression;
+ // }
+ // catch (Exception)
+ // {
+ // throw;
+ // }
+ //}
+
+
/// <summary>
/// (妯＄硦鏌ヨ)鎷兼帴鎴� c.Name.contains("1111")||c.Code.Contains("1111")||c.Address.Contains("1111")) 褰㈠紡
/// </summary>
@@ -86,35 +127,58 @@
/// <returns></returns>
public static Expression<Func<T, bool>> GetConditionExpressionForFuzzyQuery<T>(string[] fieldNames, string fieldValue)
{
- try
+ if (fieldNames == null || fieldNames.Length == 0)
{
- ParameterExpression left = Expression.Parameter(typeof(T), "c");//c=>
- Expression expression = Expression.Constant(false);
- foreach (var fieldName in fieldNames)
+ throw new ArgumentException("鑷冲皯闇�瑕佹寚瀹氫竴涓瓧娈靛悕", nameof(fieldNames));
+ }
+
+ if (string.IsNullOrEmpty(fieldValue))
+ {
+ // 绌哄�兼煡璇㈣繑鍥炴�绘槸杩斿洖false鐨勮〃杈惧紡
+ var parameter2 = Expression.Parameter(typeof(T), "c");
+ return Expression.Lambda<Func<T, bool>>(Expression.Constant(false), parameter2);
+ }
+
+ ParameterExpression parameter = Expression.Parameter(typeof(T), "c");
+ Expression? expression = null;
+
+ foreach (var fieldName in fieldNames)
+ {
+ try
{
- try
+ var propertyInfo = typeof(T).GetProperty(fieldName);
+
+ if (propertyInfo == null)
{
- Expression right = Expression.Call
- (
- Expression.Property(left, typeof(T).GetProperty(fieldName)), //c.DataSourceName
- typeof(string).GetMethod("Contains", new Type[] { typeof(string) }),// 鍙嶅皠浣跨敤.Contains()鏂规硶
- Expression.Constant(fieldValue) // .Contains(fieldValue)
- );
- expression = Expression.Or(right, expression);//c.AAA.contain("") || c.BBB.contain("")
+ throw new ArgumentException($"绫诲瀷 {typeof(T).Name} 涓嶅寘鍚睘鎬� {fieldName}");
}
- catch (Exception ex)
+
+ if (propertyInfo.PropertyType != typeof(string))
{
- throw new Exception($"鍙傛暟{fieldName}鍖归厤鍏抽敭瀛楁煡璇㈡椂澶辫触:" + ex.Message);
+ throw new ArgumentException($"灞炴�� {fieldName} 涓嶆槸瀛楃涓茬被鍨�");
}
+
+ var propertyAccess = Expression.Property(parameter, propertyInfo);
+ var containsMethod = typeof(string).GetMethod("Contains", new[] { typeof(string) });
+ var searchExpression = Expression.Call(propertyAccess, containsMethod!, Expression.Constant(fieldValue));
+
+ expression = expression == null
+ ? searchExpression
+ : Expression.OrElse(expression, searchExpression);
}
- Expression<Func<T, bool>> finalExpression
- = Expression.Lambda<Func<T, bool>>(expression, new ParameterExpression[] { left });
- return finalExpression;
+ catch (Exception ex)
+ {
+ throw new InvalidOperationException($"澶勭悊瀛楁 {fieldName} 鏃跺嚭閿�", ex);
+ }
}
- catch (Exception)
+
+ if (expression == null)
{
- throw;
+ // 濡傛灉鎵�鏈夊瓧娈甸兘鏃犳晥锛岃繑鍥炴�绘槸杩斿洖false鐨勮〃杈惧紡
+ return Expression.Lambda<Func<T, bool>>(Expression.Constant(false), parameter);
}
+
+ return Expression.Lambda<Func<T, bool>>(expression, parameter);
}
/// <summary>
--
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