Linq 语句模糊查询排除大小写

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原创最新推荐文章于 2026-08-08 13:33:13 发布 4k 阅读 AI 写同款· GEO 优化 ›

为 ABAP BSP 与 ICF 量身打造的错误页实践：从 CX_ROOT 到 SICF 的端到端落地指南摘要本文系统讲解SAP ABAP平台中BSP与ICF层的错误页定制方法。在BSP层，通过标记错误页属性和绑定ERROR_OBJECT异常对象，实现友好的错误展示与日志记录。ICF层通过SICF事务码统一配置错误页、登录与登出逻辑，支持服务树继承。文章包含可直接落地的代码示例，并针对现代Fiori架构给出演进建议，帮助开发者提升用户体验与系统安全性。阅读详情

 1. const string text = @"Historically, the world of data and the world of objects" +
 2                                 @" have not been well integrated. Programmers work in C# or Visual Basic" +
 3                                 @" and also in SQL or XQuery. On the one side are concepts such as classes," +
 4                                 @" objects, fields, inheritance, and .NET Framework APIs. On the other side" +
 5                                 @" are tables, columns, rows, nodes, and separate languages for dealing with" +
 6                                 @" them. Data types often require translation between the two worlds; there are" +
 7                                 @" different standard functions. Because the object world has no notion of query, a" +
 8                                 @" query can only be represented as a string without compile-time type checking or" +
 9                                 @" IntelliSense support in the IDE. Transferring data from SQL tables or XML trees to" +
10                                 @" objects in memory is often tedious and error-prone.";
11 
12             const string searchTerm = "data";
13 
15             var source = text.Split(new[] { '.', '?', '!', ' ', ';', ':', ',' }, StringSplitOptions.RemoveEmptyEntries);
16 
17             //创建查询，并忽略大小写比较
18             var matchQuery = from word in source
19                              where string.Equals(word, searchTerm, StringComparison.InvariantCultureIgnoreCase)
20                              select word;