66 lines
2.2 KiB
C#
66 lines
2.2 KiB
C#
using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Identity.Data;
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using Microsoft.Extensions.DependencyInjection;
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using BZPT.Domains.Entity;
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using SqlSugar;
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using System.Text;
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namespace BZPT.Repositories
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{
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public static class SqlSugarExt
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{
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public static SqlSugar.DbType ToSugarDbType(this DBProvider dBProvider)
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{
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switch (dBProvider)
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{
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case DBProvider.MySqlClient:
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return DbType.MySql;
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case DBProvider.SqlClient:
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return DbType.SqlServer;
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case DBProvider.OracleClient:
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return DbType.Oracle;
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case DBProvider.PostgreSQL:
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return DbType.PostgreSQL;
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case DBProvider.SQLite:
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return DbType.Sqlite;
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default:
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return DbType.Odbc;
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}
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}
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/// <summary>
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/// 根据指定属性名称对序列进行排序
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/// </summary>
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/// <typeparam name="TSource">source中的元素的类型</typeparam>
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/// <param name="source">一个要排序的值序列</param>
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/// <param name="property">属性名称</param>
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/// <param name="descending">是否降序</param>
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/// <returns></returns>
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public static ISugarQueryable<TEntity> OrderBy<TEntity>(this ISugarQueryable<TEntity> source, IEnumerable<SelectSort<TEntity>> sorts = null) where TEntity : IEntity, new()
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{
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if (sorts != null)
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{
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StringBuilder strOrder = new StringBuilder();
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foreach (var sort in sorts)
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{
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if(sort.FieldExp==null)
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{
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throw new Exception("未指定排序表达式FieldExp，SqlSugar 仓储禁用 FieldName 指定排序字段");
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}
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source = source.OrderBy(sort.FieldExp, sort.IsAsc ? OrderByType.Asc : OrderByType.Desc);
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}
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}
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return source;
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}
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/// <summary>
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/// sqlsugar
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/// </summary>
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/// <param name="service"></param>
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public static void RegisterSqlSugar(IServiceCollection service)
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{
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}
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}
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}
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