126 lines
5.1 KiB
C#
126 lines
5.1 KiB
C#
using System.Collections.Generic;
|
||
using System.Data.Common;
|
||
using System.Data.SqlClient;
|
||
using System.Linq;
|
||
using System.Reflection;
|
||
using Microsoft.EntityFrameworkCore;
|
||
using Microsoft.EntityFrameworkCore.Infrastructure;
|
||
|
||
|
||
namespace Falcon.ModelSP
|
||
{
|
||
/// <summary>
|
||
/// 数据库上下文方法扩展
|
||
/// </summary>
|
||
public static class DataExtend
|
||
{
|
||
/// <summary>
|
||
/// 执行无返回值的存储过程
|
||
/// </summary>
|
||
/// <typeparam name="TPrarmType">参数类型</typeparam>
|
||
/// <param name="db">数据上下文</param>
|
||
/// <param name="data">参数数据</param>
|
||
public static int RunProcuder<TPrarmType>(this DbContext db,TPrarmType data) {
|
||
var parms = getParams(data);
|
||
return db.Database.ExecuteSqlCommand(getProcuderName<TPrarmType>(),parms.ToArray());
|
||
}
|
||
/// <summary>
|
||
/// 执行有返回值的存储过程
|
||
/// </summary>
|
||
/// <typeparam name="TPrarmType">参数类型</typeparam>
|
||
/// <typeparam name="TResultType">返回结果项类型</typeparam>
|
||
/// <param name="db">数据上下文</param>
|
||
/// <param name="data">参数数据</param>
|
||
public static IEnumerable<TResultType> RunProcuder<TPrarmType, TResultType>(this DbContext db,TPrarmType data)
|
||
where TResultType : class, new() {
|
||
var parms = getParams(data);
|
||
return db.Database.SqlQuery<TResultType>(getProcuderName<TPrarmType>(),parms.ToArray()).ToList();
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取存储过程参数枚举
|
||
/// </summary>
|
||
/// <typeparam name="T">参数模型类型</typeparam>
|
||
/// <param name="data">参数实例</param>
|
||
private static IEnumerable<SqlParameter> getParams<T>(T data) {
|
||
if(data == null)
|
||
yield break;
|
||
foreach(var p in typeof(T).GetProperties()) {
|
||
if(!p.CanRead || ignoreProp(p))
|
||
continue;
|
||
yield return new SqlParameter($"@{getName(p)}",p.GetValue(data));
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 是否忽略属性
|
||
/// </summary>
|
||
/// <param name="p">要检查的属性</param>
|
||
private static bool ignoreProp(PropertyInfo p) {
|
||
return p.GetCustomAttribute<FalconSPIgnoreAttribute>(true) != null;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 获取存储过程参数名称
|
||
/// </summary>
|
||
/// <param name="p">对应的属性</param>
|
||
private static string getName(PropertyInfo p) {
|
||
var np = p.GetCustomAttribute<FalconSPPrarmNameAttribute>(true);
|
||
if(np != null && np is FalconSPPrarmNameAttribute na) {
|
||
return na.Name;
|
||
}
|
||
return p.Name;
|
||
}
|
||
/// <summary>
|
||
/// 获取存储过程名
|
||
/// </summary>
|
||
/// <typeparam name="T">参数模型</typeparam>
|
||
private static string getProcuderName<T>() {
|
||
var attr = typeof(T).GetCustomAttribute<FalconSPProcuderNameAttribute>(true);
|
||
if(attr != null && attr is FalconSPProcuderNameAttribute pna && !string.IsNullOrEmpty(pna.ProcuderName)) {
|
||
return pna.ProcuderName;
|
||
}
|
||
return typeof(T).Name;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 根据传入的sql语句和参数枚举执行存储过程，并且返回类型枚举
|
||
/// </summary>
|
||
/// <typeparam name="TR">返回值类型</typeparam>
|
||
/// <param name="db">数据库上下文</param>
|
||
/// <param name="sql">要执行的sql语句</param>
|
||
/// <param name="para">参数枚举</param>
|
||
/// <returns></returns>
|
||
public static IEnumerable<TR> SqlQuery<TR>(this DatabaseFacade db,string sql,params SqlParameter[] paras)
|
||
where TR : class, new() {
|
||
var connection = db.GetDbConnection();
|
||
using(var cmd = connection.CreateCommand()) {
|
||
cmd.CommandText = sql;
|
||
cmd.CommandType = System.Data.CommandType.StoredProcedure;
|
||
cmd.Parameters.AddRange(paras);
|
||
connection.Open();
|
||
var dr = cmd.ExecuteReader();
|
||
var result = new List<TR>();
|
||
if(!dr.CanGetColumnSchema())
|
||
return result;
|
||
while(dr.Read()) {
|
||
var item = new TR();
|
||
var columnSchema = dr.GetColumnSchema();
|
||
for(var i = 0;i < columnSchema.Count;i++) {
|
||
var name = dr.GetName(i);
|
||
var value = dr.IsDBNull(i) ? null : dr.GetValue(i);
|
||
var pi = typeof(TR).GetProperty(name);
|
||
if(pi == null || !pi.CanWrite)
|
||
continue;
|
||
pi.SetValue(item,value);
|
||
}
|
||
result.Add(item);
|
||
}
|
||
connection.Close();
|
||
return result;
|
||
}
|
||
}
|
||
|
||
}
|
||
}
|