1、完成测试

2、api开发

AccessStudy.Core/IStudentIDal.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace AccessStudy.Core
+{
+    public interface IStudentIDal
+    {
+        List<Student> GetAll();
+
+        /// <summary>
+        /// 按标识查询学生
+        /// </summary>
+        Student Get(int studentId);
+
+        /// <summary>
+        /// 按名称查询学生
+        /// </summary>
+        Student Get(string studentName);
+
+        /// <summary>
+        /// 添加学生
+        /// </summary>
+        bool Add(Student student);
+
+        /// <summary>
+        /// 更新学生
+        /// </summary>
+        bool Update(Student student);
+
+        /// <summary>
+        /// 删除学生
+        /// </summary>
+        bool Delete(int studentId);
+    }
+}

AccessStudy.Core/Student.cs

@@ -5,7 +5,7 @@ using System.Text;
 namespace AccessStudy.Core
 {
     /// <summary>
-    /// 学生
+    /// 学生实体类
     /// </summary>
     public class Student
     {

AccessStudy.Core/StudentOdbcDal.cs

@@ -0,0 +1,142 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.Odbc;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+
+namespace AccessStudy.Core
+{
+    public class StudentOdbcDal:IStudentIDal
+    {
+        private OdbcUtil dbUtil = new OdbcUtil();
+
+        /// <summary>
+        /// 获取所有学生
+        /// </summary>
+        /// <returns></returns>
+        public List<Student> GetAll()
+        {
+            var dataTable = dbUtil.GetDataTable("Student");
+            List<Student> students = DataTable2Model(dataTable);
+
+            return students;
+        }
+
+        /// <summary>
+        /// 按标识查询学生
+        /// </summary>
+        public Student Get(int studentId)
+        {
+            var querySql = "select * from Student where Id=?";
+            var paras = new List<OdbcParameter>() 
+            {
+                new OdbcParameter("studentId",studentId)
+            };
+            var dataTable = dbUtil.GetDataTable(querySql, paras);
+
+            return DataTable2Model(dataTable).FirstOrDefault();
+        }
+
+        /// <summary>
+        /// 按名称查询学生
+        /// </summary>
+        public Student Get(string studentName)
+        {
+            var querySql = "select * from Student where Name=?";
+            var paras = new List<OdbcParameter>()
+            {
+                new OdbcParameter("studentName",studentName)
+            };
+            var dataTable = dbUtil.GetDataTable(querySql, paras);
+
+            return DataTable2Model(dataTable).FirstOrDefault();
+        }
+
+        /// <summary>
+        /// 添加学生
+        /// </summary>
+        public bool Add(Student student)
+        {
+            var querySql = "INSERT INTO `Student` (Name,Age,Address,School) VALUES(?,?,?,?); ";
+            var paras = new List<OdbcParameter>()
+            {
+                new OdbcParameter("@Name",student.Name),
+                new OdbcParameter("@Age",student.Age),
+                new OdbcParameter("@Address",student.Address),
+                new OdbcParameter("@School",student.School),
+            };
+
+            var effectRow = dbUtil.ExecuteNonQuery(querySql, paras);
+
+            return effectRow > 0;
+        }
+
+        /// <summary>
+        /// 更新学生
+        /// </summary>
+        public bool Update(Student student)
+        {
+            var querySql = "Update Student Set Name=?,Age=?,Address=?,School=? where Id=?;";
+            var paras = new List<OdbcParameter>()
+            {
+                new OdbcParameter("Name",student.Name),
+                new OdbcParameter("Age",student.Age),
+                new OdbcParameter("Address",student.Address),
+                new OdbcParameter("School",student.School),
+                new OdbcParameter("Id",student.Id),
+            };
+
+            var effectRow = dbUtil.ExecuteNonQuery(querySql, paras);
+
+            return effectRow > 0;
+        }
+
+        /// <summary>
+        /// 删除学生
+        /// </summary>
+        public bool Delete(int studentId)
+        {
+            var querySql = "DELETE FROM Student WHERE Id = ?; ";
+            var paras = new List<OdbcParameter>()
+            {
+                new OdbcParameter("Id",studentId),
+            };
+
+            var effectRow = dbUtil.ExecuteNonQuery(querySql, paras);
+
+            return effectRow > 0;
+        }
+
+        /// <summary>
+        /// DataTable转实体列表
+        /// </summary>
+        private List<Student> DataTable2Model(DataTable dTable)
+        {
+            List<Student> students = new List<Student>();
+
+            if (dTable==null)
+            {
+                return students;
+            }
+
+            foreach (DataRow row in dTable.Rows)
+            {
+                var student = new Student()
+                {
+                    Id = (int)row["Id"],
+                    Name = row["Name"]?.ToString() ?? "",
+                    Age = (int)row["Age"],
+                    Address = row["Address"]?.ToString() ?? "",
+                    School = row["School"]?.ToString() ?? "",
+                };
+
+                students.Add(student);
+            }
+
+            return students;
+        }
+
+    }
+}

AccessStudy.Core/StudentOledbDal.cs

@@ -8,7 +8,7 @@ using System.Text;
 
 namespace AccessStudy.Core
 {
-    public class StudentDal
+    public class StudentOledbDal:IStudentIDal
     {
         private OledbUtil dbUtil = new OledbUtil();
 

AccessStudy.CoreTest/StudentDalTest.cs

@@ -12,10 +12,10 @@ namespace AccessStudy.CoreTest
 {
     public class StudentDalTest:IDisposable
     {
-        private readonly StudentDal _dal;
+        private readonly StudentOledbDal _dal;
         public StudentDalTest()
         {
-            _dal = new StudentDal();
+            _dal = new StudentOledbDal();
         }
 
         [Fact]

AccessStudy.WebApi/AccessStudy.WebApi.csproj

@@ -2,7 +2,18 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn);1591</NoWarn>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerGen" Version="5.6.3" />
+    <PackageReference Include="Swashbuckle.AspNetCore.SwaggerUI" Version="5.6.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\AccessStudy.Core\AccessStudy.Core.csproj" />
+  </ItemGroup>
+
 
 </Project>

AccessStudy.WebApi/ApiBase/ResultBase.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace AccessStudy.WebApi
+{
+    public class ResultBase
+    {
+        public int Code { get; set; }
+
+        public string Message { get; set; }
+
+        public dynamic Data { get; set; }
+    }
+}

AccessStudy.WebApi/Controllers/StudentController.cs

@@ -0,0 +1,176 @@
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
+
+using AccessStudy.Core;
+
+namespace AccessStudy.WebApi.Controllers
+{
+    /// <summary>
+    /// 学生管理接口
+    /// </summary>
+    [ApiController]
+    [Route("api/[controller]/[action]")]
+    public class StudentController : ControllerBase
+    {
+        private readonly ILogger<StudentController> _logger;
+        private readonly IStudentIDal _studentDal;
+
+        /// <summary>
+        /// 构造
+        /// </summary>
+        public StudentController(ILogger<StudentController> logger, IStudentIDal studentIDal)
+        {
+            _logger = logger;
+            _studentDal = studentIDal;
+        }
+
+        /// <summary>
+        /// 获取所有学生
+        /// </summary>
+        /// <returns></returns>
+        [HttpGet]
+        public ResultBase GetAll()
+        {
+            var result = new ResultBase()
+            {
+                Code = 0,
+                Message = "",
+                Data = _studentDal.GetAll()
+            };
+
+            return result;
+        }
+
+        /// <summary>
+        /// 按标识获取学生
+        /// </summary>
+        /// <param name="studentId">标识号</param>
+        /// <returns></returns>
+        [HttpGet]
+        public ResultBase GetById(int studentId)
+        {
+            var result = new ResultBase()
+            {
+                Code = 0,
+                Message = "",
+                Data = _studentDal.Get(studentId)
+            };
+
+            return result;
+        }
+
+        /// <summary>
+        /// 按姓名获取学生
+        /// </summary>
+        /// <param name="studentName">姓名</param>
+        /// <remarks>
+        /// 请求例子: 
+        /// GET /api/Student/GetByName?studentName=王高峰
+        /// </remarks>
+        /// <returns></returns>
+        [HttpGet]
+        public ResultBase GetByName(string studentName)
+        {
+            var result = new ResultBase()
+            {
+                Code = 0,
+                Message = "",
+                Data = _studentDal.Get(studentName)
+            };
+
+            return result;
+        }
+
+        /// <summary>
+        /// 添加学生
+        /// </summary>
+        /// <param name="student">学生信息</param>
+        /// <returns></returns>
+        [HttpPost]
+        public ResultBase Add(Student student)
+        {
+            var result = new ResultBase()
+            {
+                Code = 0,
+                Message = "",
+                Data = null
+            };
+
+            if (_studentDal.Add(student))
+            {
+                result.Message = "添加成功";
+                result.Data = true;
+            }
+            else
+            {
+                result.Message = "添加失败";
+                result.Data = false;
+            }
+            return result;
+        }
+
+        /// <summary>
+        /// 修改学生
+        /// </summary>
+        /// <param name="student">修改学生信息</param>
+        /// <returns></returns>
+        [HttpPost]
+        public ResultBase Update(Student student)
+        {
+            var result = new ResultBase()
+            {
+                Code = 0,
+                Message = "",
+                Data = null
+            };
+
+            if (_studentDal.Update(student))
+            {
+                result.Message = "更新成功";
+                result.Data = true;
+            }
+            else
+            {
+                result.Message = "更新失败";
+                result.Data = false;
+            }
+            return result;
+        }
+
+        /// <summary>
+        /// 删除学生
+        /// </summary>
+        /// <param name="studentId">学生标识</param>
+        /// <returns></returns>
+        [HttpPost]
+        public ResultBase Delete(int studentId)
+        {
+            var result = new ResultBase()
+            {
+                Code = 0,
+                Message = "",
+                Data = null
+            };
+
+            if (_studentDal.Delete(studentId))
+            {
+                result.Message = "删除成功";
+                result.Data = true;
+            }
+            else
+            {
+                result.Message = "删除失败";
+                result.Data = false;
+            }
+
+            return result;
+        }
+    }
+}

AccessStudy.WebApi/Controllers/ValuesController.cs

@@ -0,0 +1,33 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace AccessStudy.WebApi.Controllers
+{
+    /// <summary>
+    /// 示例控制器
+    /// </summary>
+    [Route("api/[controller]")]
+    [ApiController]
+    public class ValuesController : ControllerBase
+    {
+
+        /// <summary>
+        /// 默认请求
+        /// </summary>
+        /// <returns></returns>
+        [HttpGet]
+        public IActionResult Get()
+        {
+            var result = new { Code=0,Message="请求成功"};
+
+            return new JsonResult(result);
+        }
+    }
+
+
+}

AccessStudy.WebApi/Controllers/WeatherForecastController.cs

@@ -1,40 +0,0 @@
-using Microsoft.AspNetCore.Mvc;
-using Microsoft.Extensions.Logging;
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace AccessStudy.WebApi.Controllers
-{
-    [ApiController]
-    [Route("[controller]")]
-    public class WeatherForecastController : ControllerBase
-    {
-        private static readonly string[] Summaries = new[]
-        {
-            "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-        };
-
-        private readonly ILogger<WeatherForecastController> _logger;
-
-        public WeatherForecastController(ILogger<WeatherForecastController> logger)
-        {
-            _logger = logger;
-        }
-
-        [HttpGet]
-        public IEnumerable<WeatherForecast> Get()
-        {
-            var rng = new Random();
-            return Enumerable.Range(1, 5).Select(index => new WeatherForecast
-            {
-                Date = DateTime.Now.AddDays(index),
-                TemperatureC = rng.Next(-20, 55),
-                Summary = Summaries[rng.Next(Summaries.Length)]
-            })
-            .ToArray();
-        }
-    }
-}

AccessStudy.WebApi/Properties/launchSettings.json

@@ -20,7 +20,7 @@
     "AccessStudy.WebApi": {
       "commandName": "Project",
       "launchBrowser": true,
-      "launchUrl": "weatherforecast",
+      "launchUrl": "swagger",
       "applicationUrl": "http://localhost:5000",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"

AccessStudy.WebApi/Startup.cs

@@ -11,6 +11,9 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 
+using AccessStudy.Core;
+using System.Reflection;
+
 namespace AccessStudy.WebApi
 {
     public class Startup
@@ -26,6 +29,25 @@ namespace AccessStudy.WebApi
         public void ConfigureServices(IServiceCollection services)
         {
             services.AddControllers();
+
+            //实现Oledb和ODBC的切换
+            //services.AddScoped<IStudentIDal,StudentOdbcDal>();
+            services.AddScoped<IStudentIDal,StudentOledbDal>();
+
+            services.AddSwaggerGen(option =>
+            {
+                option.SwaggerDoc("v1", new Microsoft.OpenApi.Models.OpenApiInfo() { Title = "API", Version = "v1" });
+
+                // Set the comments path for the Swagger JSON and UI.
+                var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
+                var xmlPath = System.IO.Path.Combine(AppContext.BaseDirectory, xmlFile);
+                option.IncludeXmlComments(xmlPath);
+            });
+
+            //services.ConfigureSwaggerGen(option => 
+            //{
+
+            //});
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
@@ -36,6 +58,12 @@ namespace AccessStudy.WebApi
                 app.UseDeveloperExceptionPage();
             }
 
+            app.UseSwagger();
+            app.UseSwaggerUI(option => 
+            { 
+                option.SwaggerEndpoint("/swagger/v1/swagger.json", "AccessStudy WebApi v1");
+            });
+
             app.UseRouting();
 
             app.UseAuthorization();

AccessStudy.WebApi/WeatherForecast.cs

@@ -1,15 +0,0 @@
-using System;
-
-namespace AccessStudy.WebApi
-{
-    public class WeatherForecast
-    {
-        public DateTime Date { get; set; }
-
-        public int TemperatureC { get; set; }
-
-        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
-
-        public string Summary { get; set; }
-    }
-}