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update 对dapper查询页面的返回进行了优化

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自带大佬气场
2021-05-27 19:37:59 +08:00
parent bbce103b4f
commit f612f7e4e9
1 changed files with 57 additions and 4 deletions
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61
Api/Ewide.Core/Extension/PageExtensions.cs
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@@ -51,26 +51,78 @@ namespace Ewide.Core.Extension
return source.OrderBy(OrderBuilder<T>(input)).Select(u => u.Adapt<O>()).ToPagedListAsync(input.PageNo, input.PageSize);
}
public static Task<IEnumerable<dynamic>> QueryPageData(this IDapperRepository source, string sql, PageInputBase input, object param = null, IDbTransaction transaction = null, int? commandTimeout = null, CommandType? commandType = null)
#region DAPPER
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)
{
return source.QueryAsync(
var count = await source.PageTotalCount(
sql,
param: param,
transaction: transaction,
commandTimeout: commandTimeout,
commandType: commandType
);
var data = await source.QueryAsync(
PageSqlBuilder(sql, input),
param: param,
transaction: transaction,
commandTimeout: commandTimeout,
commandType: commandType
);
var page = new PagedList
{
PageIndex = input.PageNo,
PageSize = input.PageSize,
Items = data,
TotalCount = count,
TotalPages = (int)Math.Ceiling((decimal)count / (decimal)input.PageSize)
};
return page;
}
public static Task<IEnumerable<T>> QueryPageData<T>(this IDapperRepository source, string sql, PageInputBase input, object param = null, IDbTransaction transaction = null, int? commandTimeout = null, CommandType? commandType = null)
public async static Task<PagedList<T>> QueryPageData<T>(this IDapperRepository source, string sql, PageInputBase input, object param = null, IDbTransaction transaction = null, int? commandTimeout = null, CommandType? commandType = null) where T : new()
{
return source.QueryAsync<T>(
var count = await source.PageTotalCount(
sql,
param: param,
transaction: transaction,
commandTimeout: commandTimeout,
commandType: commandType
);
var data = await source.QueryAsync<T>(
PageSqlBuilder(sql, input),
param: param,
transaction: transaction,
commandTimeout: commandTimeout,
commandType: commandType
);
var page = new PagedList<T>
{
PageIndex = input.PageNo,
PageSize = input.PageSize,
Items = data,
TotalCount = count,
TotalPages = (int)Math.Ceiling((decimal)count / (decimal)input.PageSize)
};
return page;
}
private async static Task<int> PageTotalCount(this IDapperRepository source, string sql, object param = null, IDbTransaction transaction = null, int? commandTimeout = null, CommandType? commandType = null)
{
var countSql = String.Format("SELECT COUNT(0) FROM ({0}) T", sql);
var countAsync = await source.QueryAsync<int>(
countSql,
param: param,
transaction: transaction,
commandTimeout: commandTimeout,
commandType: commandType);
var count = countAsync.SingleOrDefault();
return count;
}
private static string PageSqlBuilder(string sql , PageInputBase input)
@@ -83,5 +135,6 @@ namespace Ewide.Core.Extension
sql += String.Join("", sqlStrList);
return sql;
}
#endregion
}
}