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readme.md

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.NET Framework4.5版本Expression表达式转换为SQL语句,支持SqlServer、MySql、Oracle、Sqlite、PostgreSql;基于Dapper实现了不同数据库对应的数据仓储Repository;

🌭 开源地址

🥥 框架扩展包

包类型 名称 版本 描述
nuget Zq.SQLBuilder nuget SQLBuilder 核心包
nuget Zq.SQLBuilder.Diagnostics nuget SQLBuilder Diagnostics扩展包

🚀 快速入门

  • ➕ 新增

//新增
await _repository.InsertAsync(entity);

//批量新增
await _repository.InsertAsync(entities);

//新增
await SqlBuilder
        .Insert<MsdBoxEntity>(() =>
            entity)
        .ExecuteAsync(
            _repository);

//批量新增
await SqlBuilder
        .Insert<MsdBoxEntity>(() =>
            new[]
            {
                new UserInfo { Name = "张三", Sex = 2 },
                new UserInfo { Name = "张三", Sex = 2 }
            })
        .ExecuteAsync(
            _repository);
  • 🗑 删除

//删除
await _repository.DeleteAsync(entity);

//批量删除
await _repository.DeleteAsync(entitties);

//条件删除
await _repository.DeleteAsync<MsdBoxEntity>(x => x.Id == "1");

//删除
await SqlBuilder
        .Delete<MsdBoxEntity>()
        .Where(x =>
            x.Id == "1")
        .ExecuteAsync(
            _repository);

//主键删除
await SqlBuilder
        .Delete<MsdBoxEntity>()
        .WithKey("1")
        .ExecuteAsync(
            _repository);
  • ✏ 更新

//更新
await _repository.UpdateAsync(entity);

//批量更新
await _repository.UpdateAsync(entities);

//条件更新
await _repository.UpdateAsync<MsdBoxEntity>(x => x.Id == "1", () => entity);

//更新
await SqlBuilder
        .Update<MsdBoxEntity>(() =>
            entity,
            DatabaseType.MySql,
            isEnableFormat:true)
        .Where(x =>
            x.Id == "1")
        .ExecuteAsync(
            _repository);
  • 🔍 查询

//简单查询
await _repository.FindListAsync<MsdBoxEntity>(x => x.Id == "1");

//连接查询
await SqlBuilder
        .Select<UserInfo, UserInfo, Account, Student, Class, City, Country>((u, t, a, s, d, e, f) =>
            new { u.Id, UId = t.Id, a.Name, StudentName = s.Name, ClassName = d.Name, e.CityName, CountryName = f.Name })
        .Join<UserInfo>((x, t) =>
            x.Id == t.Id) //注意此处单表多次Join所以要指明具体表别名,否则都会读取第一个表别名
        .Join<Account>((x, y) =>
            x.Id == y.UserId)
        .LeftJoin<Account, Student>((x, y) =>
            x.Id == y.AccountId)
        .RightJoin<Student, Class>((x, y) =>
            x.Id == y.UserId)
        .InnerJoin<Class, City>((x, y) =>
            x.CityId == y.Id)
        .FullJoin<City, Country>((x, y) =>
            x.CountryId == y.Id)
        .Where(x =>
            x.Id != null)
        .ToListAsync(
            _repository);

//分页查询
var condition = LinqExtensions
                    .True<UserInfo, Account>()
                    .And((x, y) => 
                        x.Id == y.UserId)
                    .WhereIf(
                        !name.IsNullOrEmpty(), 
                        (x, y) => name.EndsWith("∞")
                        ? x.Name.Contains(name.Trim('∞'))
                        : x.Name == name);
var hasWhere = false;
await SqlBuilder
        .Select<UserInfo, Account>(
            (u, a) => new { u.Id, UserName = "u.Name" })
        .InnerJoin<Account>(
            condition)
        .WhereIf(
            !name.IsNullOrEmpty(),
            x => x.Email != null && 
            (!name.EndsWith("∞") ? x.Name.Contains(name.TrimEnd('∞', '*')) : x.Name == name),
            ref hasWhere)
        .WhereIf(
            !email.IsNullOrEmpty(),
            x => x.Email == email,
            ref hasWhere)
        .ToPageAsync(
            _repository.UseMasterOrSlave(false),
            input.OrderField,
            input.Ascending,
            input.PageSize,
            input.PageIndex);

//仓储分页查询
await _repository.FindListAsync(condition, input.OrderField, input.Ascending, input.PageSize, input.PageIndex);

//高级查询
Func<string[], string> @delegate = x => $"ks.{x[0]}{x[1]}{x[2]} WITH(NOLOCK)";

await SqlBuilder
        .Select<UserInfo, Account, Student, Class, City, Country>((u, a, s, d, e, f) =>
            new { u, a.Name, StudentName = s.Name, ClassName = d.Name, e.CityName, CountryName = f.Name },
            tableNameFunc: @delegate)
        .Join<Account>((x, y) =>
            x.Id == y.UserId,
            @delegate)
        .LeftJoin<Account, Student>((x, y) =>
            x.Id == y.AccountId,
            @delegate)
        .RightJoin<Class, Student>((x, y) =>
            y.Id == x.UserId,
            @delegate)
        .InnerJoin<Class, City>((x, y) =>
            x.CityId == y.Id,
            @delegate)
        .FullJoin<City, Country>((x, y) =>
            x.CountryId == y.Id,
            @delegate)
        .Where(u =>
            u.Id != null)
        .ToListAsync(
            _repository);
  • 🎫 队列

//预提交队列
_repository.AddQueue(async repo =>
    await repo.UpdateAsync<UserEntity>(
        x => x.Id == "1",
        () => new
        {
            Name = "test"
        }) > 0);

_repository.AddQueue(async repo =>
    await repo.DeleteAsync<UserEntity>(x =>
        x.Enabled == 1) > 0);

//统一提交队列,默认开启事务
var res = await _repository.SaveQueueAsync();

🌌 IOC注入

根据config配置自动注入不同类型数据仓储,支持一主多从配置

var builder = new ContainerBuilder();

//注入SqlBuilder仓储
builder.RegisterSqlBuilder("Base", (sql, parameter) =>
{
    //写入文本日志
    if (parameter is DynamicParameters dynamicParameters)
        _logger.LogInformation($@"SQL语句:{sql}  参数:{dynamicParameters
            .ParameterNames?
            .ToDictionary(k => k, v => dynamicParameters.Get<object>(v))
            .ToJson()}");
    else if (parameter is OracleDynamicParameters oracleDynamicParameters)
        _logger.LogInformation($@"SQL语句:{sql} 参数:{oracleDynamicParameters
            .OracleParameters
            .ToDictionary(k => k.ParameterName, v => v.Value)
            .ToJson()}");
    else
        _logger.LogInformation($"SQL语句:{sql}  参数:{parameter.ToJson()}");

    //返回null,不对原始sql进行任何更改,此处可以修改待执行的sql语句
    return null;
});

//注入SqlBuilder日志诊断
builder.RegisterSqlBuilderDiagnostic(
    executeBefore: msg => Console.WriteLine(msg.Sql),
    executeAfter: msg => Console.WriteLine(msg.ElapsedMilliseconds),
    executeError: msg => Console.WriteLine(msg.Exception?.Message),
    executeDispose: msg => Console.WriteLine(msg.MasterConnection.State),
    disposeError: msg => Console.WriteLine(msg.Exception?.Message));

var container = builder.Build();

var repo = container.Resolve<Func<string, IRepository>>()(null);

var res = repo.Any<Log>(x => x.Id == 2633);

⚙ 数据库配置

//appSettings
<add key="ConnectionStrings" value="{'Base':['SqlServer','Server=.;Database=TestDb;Uid=test;Pwd=123;'],'OracleDb':['Oracle','数据库连接字符串'],'MySqlDb':['MySql','数据库连接字符串'],'SqliteDb':['Sqlite','数据库连接字符串'],'PgsqlDb':['PostgreSql','数据库连接字符串']}" />

//connectionStrings
<add name="ConnectionStrings" connectionString="{'Base':['SqlServer','Server=.;Database=TestDb;Uid=test;Pwd=123;'],'OracleDb':['Oracle','数据库连接字符串'],'MySqlDb':['MySql','数据库连接字符串'],'SqliteDb':['Sqlite','数据库连接字符串'],'PgsqlDb':['PostgreSql','数据库连接字符串']}"/>

📰 事务

//方式一
IRepository trans = null;
try
{
    //开启事务
    trans = _repository.BeginTransaction();

    //数据库写操作
    await trans.InsertAsync(entity);

    //提交事务
    trans.Commit();
}
catch (Exception)
{
    //回滚事务
    trans?.Rollback();
    throw;
}

//方式二
var res = await _repository.ExecuteTransactionAsync(async trans =>
{
    var retval = (await trans.InsertAsync(entity)) > 0;

    if (input.Action.EqualIgnoreCase(UnitAction.InDryBox))
        code = await _unitInfoService.InDryBoxAsync(dryBoxInput);
    else
        code = await _unitInfoService.OutDryBoxAsync(dryBoxInput);

    return code == ErrorCode.Successful && retval;
});

📯 仓储+切库

private readonly Func<string, IRepository> _handler;
private readonly IRepository _repository;

public MyService(Func<string, IRepository> hander)
{
    _handler = hander;

    //默认base数据仓储
    _repository = hander(null);
}

//base仓储
var baseRepository = _handler("Base");

//cap仓储
var capRepository = _handler("Cap");

🎣 读写分离

//方式一
_repository.Master = false;

//方式二
_repository.UseMasterOrSlave(master)

🧪 测试文档

🍻 贡献代码

SQLBuilder 遵循 Apache-2.0 开源协议,欢迎大家提交 PRIssue

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.NET Framework4.5版本Expression表达式转换为SQL语句,支持SqlServer、MySql、Oracle、Sqlite、PostgreSql;基于Dapper实现了不同数据库对应的数据仓储Repository; expand collapse
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