51b7372d81
问题：Cannot Open when State is Connecting 分析： - SqlSugarScope 是线程安全的，使用 AsyncLocal 隔离上下文 - Singleton 注册符合官方建议 - 问题可能出在 MySQL 连接池配置 修复： 添加连接池参数： - Pooling=true（开启连接池） - MaximumPoolSize=100（最大连接数） - MinimumPoolSize=5（最小连接数） - ConnectionTimeout=30（连接超时） - ConnectionIdleTimeout=180（空闲连接超时，避免使用陈旧连接） 配合内存缓存层，减少数据库查询次数
74 lines
2.6 KiB
C#
Executable File
74 lines
2.6 KiB
C#
Executable File
using SqlSugar;
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using Microsoft.Extensions.Configuration;
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namespace AssetManager.Data;
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public static class SqlSugarConfig
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{
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private static IConfiguration? _configuration;
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/// <summary>
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/// 初始化配置（在Program.cs中调用）
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/// </summary>
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public static void Initialize(IConfiguration configuration)
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{
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_configuration = configuration;
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}
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public static ISqlSugarClient GetSqlSugarClient()
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{
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if (_configuration == null)
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{
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throw new InvalidOperationException("SqlSugarConfig has not been initialized. Call Initialize() first.");
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}
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// 优先从环境变量读取连接字符串
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var connectionString = Environment.GetEnvironmentVariable("ConnectionStrings__Default")
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?? _configuration.GetConnectionString("Default")
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?? throw new InvalidOperationException("Connection string 'Default' not found in environment variables or configuration.");
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// MySQL 连接池优化配置
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// 添加连接池参数提高稳定性
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if (!connectionString.Contains("Pooling=", StringComparison.OrdinalIgnoreCase))
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{
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connectionString += ";Pooling=true";
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}
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if (!connectionString.Contains("MaximumPoolSize=", StringComparison.OrdinalIgnoreCase))
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{
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connectionString += ";MaximumPoolSize=100";
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}
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if (!connectionString.Contains("MinimumPoolSize=", StringComparison.OrdinalIgnoreCase))
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{
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connectionString += ";MinimumPoolSize=5";
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}
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// 连接超时和生命周期
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if (!connectionString.Contains("ConnectionTimeout=", StringComparison.OrdinalIgnoreCase))
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{
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connectionString += ";ConnectionTimeout=30";
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}
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// 连接空闲超时，避免使用长时间空闲的连接
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if (!connectionString.Contains("ConnectionIdleTimeout=", StringComparison.OrdinalIgnoreCase))
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{
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connectionString += ";ConnectionIdleTimeout=180";
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}
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return new SqlSugarScope(new ConnectionConfig()
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{
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ConnectionString = connectionString,
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DbType = DbType.MySql,
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IsAutoCloseConnection = true,
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InitKeyType = InitKeyType.Attribute,
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ConfigureExternalServices = new ConfigureExternalServices
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{
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EntityService = (property, column) =>
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{
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if (property.PropertyType == typeof(DateTime))
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{
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column.DataType = "datetime(3)";
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}
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}
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}
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});
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}
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}
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