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update page查询新增动态参数查询(Dapper)

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This commit is contained in:
ky_yusj
2021-05-28 19:17:21 +08:00
parent e3e0c40d30
commit 4d81cd714f
10 changed files with 421 additions and 20 deletions
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85
Api/Ewide.Core/Extension/PageExtensions.cs
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@@ -1,11 +1,15 @@
using Dapper;
using Ewide.Core.Extension.DataFilter.WebPage;
using Furion.DatabaseAccessor;
using Furion.LinqBuilder;
using Mapster;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Linq.Dynamic.Core;
using System.Linq.Expressions;
using System.Reflection;
using System.Threading.Tasks;
namespace Ewide.Core.Extension
@@ -41,6 +45,75 @@ namespace Ewide.Core.Extension
return orderStr;
}
//public static IQueryable<T> GetFilterInfo<T>(this IQueryable<T> source, PageInputBase input, IEnumerable<string> equalsFields = null, IEnumerable<string> likeFields = null, IEnumerable<string> dateTimeRangeFields = null, IEnumerable<string> otherRangeFields = null) where T : new()
//{
// var _searchStr = input._Search;
// var searchInfoObj = Newtonsoft.Json.JsonConvert.DeserializeObject<DataFilter.Entity.SearchInfo[]>(_searchStr);
// foreach(var elem in searchInfoObj)
// {
// ParameterExpression param = Expression.Parameter(typeof(T), "p");
// var field = typeof(T).GetProperty(elem.Field, BindingFlags.Public | BindingFlags.Instance | BindingFlags.IgnoreCase);
// Expression left = Expression.Property(param, field);
// Expression<Func<T, bool>> finalExpression = null;
// foreach(var value in elem.Value)
// {
// Expression right = Expression.Constant(Convert.ChangeType(value, Nullable.GetUnderlyingType(left.Type) ?? left.Type));
// right = Expression.Convert(right, left.Type);
// Expression filter = null;
// filter = filter.Filter(left, right, elem.QueryType);
// if (finalExpression == null)
// {
// finalExpression = Expression.Lambda<Func<T, bool>>(filter, param);
// }
// else
// {
// finalExpression = finalExpression.Or(Expression.Lambda<Func<T, bool>>(filter, param));
// }
// }
// source.Where(finalExpression);
// }
// return source;
//}
private static Expression Filter(this Expression filter, Expression left, Expression right, Ewide.Core.QueryTypeEnum queryType)
{
switch (queryType)
{
//case "=":
// filter = Expression.Equal(left, right);
// break;
//case "<>":
//case "!=":
// filter = Expression.NotEqual(left, right);
// break;
case QueryTypeEnum.GreaterThan:
filter = Expression.GreaterThan(left, right);
break;
case QueryTypeEnum.GreaterThanOrEqual:
filter = Expression.GreaterThanOrEqual(left, right);
break;
case QueryTypeEnum.LessThan:
filter = Expression.LessThan(left, right);
break;
case QueryTypeEnum.LessThanOrEqual:
filter = Expression.LessThanOrEqual(left, right);
break;
case QueryTypeEnum.Like:
filter = Expression.Call(left, typeof(string).GetMethod("Contains"), right);
break;
//case "NOT LIKE":
// filter = Expression.Not(Expression.Call(left, typeof(string).GetMethod("Contains"), right));
// break;
default:
filter = Expression.Equal(left, right);
break;
}
return filter;
}
public static Task<PagedList<T>> ToPageData<T>(this IQueryable<T> source, PageInputBase input) where T : new()
{
return source.OrderBy(OrderBuilder<T>(input)).ToPagedListAsync(input.PageIndex, input.PageSize);
@@ -52,6 +125,14 @@ namespace Ewide.Core.Extension
}
#region DAPPER
public async static Task<PagedList> QueryPageDataDynamic(this IDapperRepository source, string baseSql, PageInputBase input, IEnumerable<string> equalsFields = null, IEnumerable<string> likeFields = null, IEnumerable<string> dateTimeRangeFields = null, IEnumerable<string> otherRangeFields = null, IDbTransaction transaction = null, int? commandTimeout = null, CommandType? commandType = null)
{
SearchJsonFitlerInfoGetService searchJsonFitlerInfoGetService = new SearchJsonFitlerInfoGetService(input, equalsFields, likeFields, dateTimeRangeFields, otherRangeFields);
var sql = searchJsonFitlerInfoGetService.GetWhereSql(baseSql);
var param = searchJsonFitlerInfoGetService.sqlParameters;
return await QueryPageData(source, sql, input, param, transaction, commandTimeout, commandType);
}
public async static Task<PagedList> QueryPageData(this IDapperRepository source, string sql, PageInputBase input, object param = null, IDbTransaction transaction = null, int? commandTimeout = null, CommandType? commandType = null)
{
var count = await source.PageTotalCount(
@@ -76,7 +157,7 @@ namespace Ewide.Core.Extension
PageSize = input.PageSize,
Items = data,
TotalCount = count,
TotalPages = (int)Math.Ceiling((decimal)count / (decimal)input.PageSize)
TotalPages = input.PageSize.Equals(0) ? 1 : (int)Math.Ceiling((decimal)count / (decimal)input.PageSize)
};
return page;
@@ -106,7 +187,7 @@ namespace Ewide.Core.Extension
PageSize = input.PageSize,
Items = data,
TotalCount = count,
TotalPages = (int)Math.Ceiling((decimal)count / (decimal)input.PageSize)
TotalPages = input.PageSize.Equals(0) ? 1 : (int)Math.Ceiling((decimal)count / (decimal)input.PageSize)
};
return page;