在Windows上用VisualStudio2019开发基于MySQL的.NET Core WebAPI项目并发布到银河麒麟高级服务器操作系统V10上

女爷i 2022-12-25 14:53 394阅读 0赞

**目录**

文章目录

前言

一、创建.NET Core 3.1 WebApi项目

二、反向工程，生成EntityFramework相关类

三、添加控制器

四、运行测试

五、发布到银河麒麟高级服务器操作系统V10上

附：

总结

--------------------

# 前言 #

本文将介绍在Windows 10操作系统上，用Visual Studio 2019开发一个基于MySQL数据库的WebApi项目，并发布到银河麒麟高级服务器操作系统V10上的详细过程。

--------------------

# 一、创建.NET Core 3.1 WebApi项目 #

1. 创建项目，选择ASP.NET Core Web应用程序

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70][]

2. 确认项目名称后，选择创建

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 1][]

3. 选择.NET Core框架，ASP.NET Core 3.1版本，选择API项目类型，点击创建

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 2][]

4. 按下图，打开NuGet管理界面

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 3][]

5. 切换到浏览标签

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 4][]

6. 安装Microsoft.EntityFrameworkCore.Tools 3.1.9

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 5][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 6][]

7. 参考上述方法，依次完成安装：

Microsoft.EntityFrameworkCore 3.1.9

MySql.Data.EntityFrameworkCore 8.0.22

8. 更新NuGet数据库

按照下图程序包管理打开控制台

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 7][]

输入Update-Database

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 8][]

# 二、反向工程，生成EntityFramework相关类 #

1. 本地已准备好MySQL8数据库sbtest，其中表结果及数据如下

DROP TABLE IF EXISTS `sbtest1`;
    CREATE TABLE `sbtest1` (
      `id` int NOT NULL AUTO_INCREMENT,
      `k` int NOT NULL DEFAULT '0',
      `c` char(120) NOT NULL DEFAULT '',
      `pad` char(60) NOT NULL DEFAULT '',
      PRIMARY KEY (`id`),
      KEY `k_1` (`k`)
    ) ENGINE=InnoDB AUTO_INCREMENT=1000003 DEFAULT CHARSET=utf8mb4;
    
    
    LOCK TABLES `sbtest1` WRITE;
    INSERT INTO `sbtest1` VALUES (1000001,1,'1','1'),(1000002,2,'2','2');
    UNLOCK TABLES;

2. 打开cmd，切换到当前项目目录下。检查dotnet版本信息，参考如下

C:\Users\yidam>cd "C:\Users\yidam\source\repos\WebApplication1\WebApplication1"
    
    C:\Users\yidam\source\repos\WebApplication1\WebApplication1>dotnet --info
    .NET SDK (反映任何 global.json):
     Version:   5.0.100
     Commit:    5044b93829
    
    运行时环境:
     OS Name:     Windows
     OS Version:  10.0.14393
     OS Platform: Windows
     RID:         win10-x64
     Base Path:   C:\Program Files\dotnet\sdk\5.0.100\
    
    Host (useful for support):
      Version: 5.0.0
      Commit:  cf258a14b7
    
    .NET SDKs installed:
      2.1.518 [C:\Program Files\dotnet\sdk]
      3.1.403 [C:\Program Files\dotnet\sdk]
      5.0.100 [C:\Program Files\dotnet\sdk]
    
    .NET runtimes installed:
      Microsoft.AspNetCore.All 2.1.22 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
      Microsoft.AspNetCore.All 2.1.23 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
      Microsoft.AspNetCore.App 2.1.22 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
      Microsoft.AspNetCore.App 2.1.23 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
      Microsoft.AspNetCore.App 3.1.9 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
      Microsoft.AspNetCore.App 5.0.0 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
      Microsoft.NETCore.App 2.1.22 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
      Microsoft.NETCore.App 2.1.23 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
      Microsoft.NETCore.App 3.1.9 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
      Microsoft.NETCore.App 5.0.0 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
      Microsoft.WindowsDesktop.App 3.1.9 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
      Microsoft.WindowsDesktop.App 5.0.0 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
    
    To install additional .NET runtimes or SDKs:
      https://aka.ms/dotnet-download
    
    C:\Users\yidam\source\repos\WebApplication1\WebApplication1>

3. 执行反向工程指令

dotnet ef dbcontext scaffold "server=localhost;port=3306;database=sbtest;uid=root;pwd=abcDEF123___;CharSet=utf8mb4" Pomelo.EntityFrameworkCore.Mysql -f -o Models

结果

C:\Users\yidam\source\repos\WebApplication1\WebApplication1>dotnet ef dbcontext scaffold "server=localhost;port=3306;database=sbtest;uid=root;pwd=abcDEF123___;CharSet=utf8mb4" Pomelo.EntityFrameworkCore.Mysql -f -o Models
    Build started...
    Build succeeded.

此时项目自动生成了一个Models目录，结构如下

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 9][]

其中

Efmigrationshistory.cs

using System;
    using System.Collections.Generic;
    
    namespace WebApplication1.Models
    {
        public partial class Efmigrationshistory
        {
            public string MigrationId { get; set; }
            public string ProductVersion { get; set; }
        }
    }

Sbtest1.cs

using System;
    using System.Collections.Generic;
    
    namespace WebApplication1.Models
    {
        public partial class Sbtest1
        {
            public int Id { get; set; }
            public int K { get; set; }
            public string C { get; set; }
            public string Pad { get; set; }
        }
    }

sbtestContext.cs

using System;
    using Microsoft.EntityFrameworkCore;
    using Microsoft.EntityFrameworkCore.Metadata;
    
    namespace WebApplication1.Models
    {
        public partial class sbtestContext : DbContext
        {
            public sbtestContext()
            {
            }
    
            public sbtestContext(DbContextOptions<sbtestContext> options)
                : base(options)
            {
            }
    
            public virtual DbSet<Efmigrationshistory> Efmigrationshistory { get; set; }
            public virtual DbSet<Sbtest1> Sbtest1 { get; set; }
    
            protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
            {
                if (!optionsBuilder.IsConfigured)
                {
    #warning To protect potentially sensitive information in your connection string, you should move it out of source code. See http://go.microsoft.com/fwlink/?LinkId=723263 for guidance on storing connection strings.
                    optionsBuilder.UseMySql("server=localhost;port=3306;database=sbtest;uid=root;pwd=abcDEF123___;charset=utf8mb4", x => x.ServerVersion("8.0.22-mysql"));
                }
            }
    
            protected override void OnModelCreating(ModelBuilder modelBuilder)
            {
                modelBuilder.Entity<Efmigrationshistory>(entity =>
                {
                    entity.HasKey(e => e.MigrationId)
                        .HasName("PRIMARY");
    
                    entity.ToTable("__efmigrationshistory");
    
                    entity.Property(e => e.MigrationId)
                        .HasColumnType("varchar(150)")
                        .HasCharSet("utf8mb4")
                        .HasCollation("utf8mb4_bin");
    
                    entity.Property(e => e.ProductVersion)
                        .IsRequired()
                        .HasColumnType("varchar(32)")
                        .HasCharSet("utf8mb4")
                        .HasCollation("utf8mb4_bin");
                });
    
                modelBuilder.Entity<Sbtest1>(entity =>
                {
                    entity.ToTable("sbtest1");
    
                    entity.HasIndex(e => e.K)
                        .HasName("k_1");
    
                    entity.Property(e => e.Id).HasColumnName("id");
    
                    entity.Property(e => e.C)
                        .IsRequired()
                        .HasColumnName("c")
                        .HasColumnType("char(120)")
                        .HasDefaultValueSql("''")
                        .HasCharSet("utf8mb4")
                        .HasCollation("utf8mb4_0900_ai_ci");
    
                    entity.Property(e => e.K).HasColumnName("k");
    
                    entity.Property(e => e.Pad)
                        .IsRequired()
                        .HasColumnName("pad")
                        .HasColumnType("char(60)")
                        .HasDefaultValueSql("''")
                        .HasCharSet("utf8mb4")
                        .HasCollation("utf8mb4_0900_ai_ci");
                });
    
                OnModelCreatingPartial(modelBuilder);
            }
    
            partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
        }
    }

# 三、添加控制器 #

1. 右键Controllers目录，添加一个控制器

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 10][]

2. 选择“MVC 控制器 - 空”

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 11][]

选择“API 控制器 - 空”

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 12][]

3. 编辑ValuesController.cs内容如下

using Microsoft.AspNetCore.Http;
    using Microsoft.AspNetCore.Mvc;
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Threading.Tasks;
    using WebApplication1.Models;
    
    namespace WebApplication1.Controllers
    {
        [Route("api/[controller]")]
        [ApiController]
        public class ValuesController : ControllerBase
        {
    
            private readonly sbtestContext context = new sbtestContext();
    
            // GET api/values
            [HttpGet]
            public ActionResult<IEnumerable<Sbtest1>> Get()
            {
                return context.Sbtest1.ToList();
            }
    
            // GET api/values/5
            [HttpGet("{id}")]
            public ActionResult<Sbtest1> Get(int id)
            {
                var item = context.Sbtest1.Where(c => c.Id == id).SingleOrDefault();            
                return item;
            }
    
            // POST api/values
            [HttpPost]
            public void Post([FromBody] Sbtest1 value)
            {
                context.Sbtest1.Add(value);
            }
    
            // PUT api/values/5
            [HttpPut("{id}")]
            public void Put(int id, [FromBody] Sbtest1 value)
            {
                if (value.Id != id)
                {
                    throw new Exception("id not equeal");
                }
                context.Sbtest1.Update(value);
                context.SaveChanges();
            }
    
            // DELETE api/values/5
            [HttpDelete("{id}")]
            public void Delete(int id)
            {
                var item = context.Sbtest1.FirstOrDefault(c => c.Id == id);
                context.Sbtest1.Remove(item);
                context.SaveChanges();
            }
        }
    
    }

# 四、运行测试 #

1. VS启动项目

![20201113163629476.png][]

2. 访问/api/values/

![20201113163738439.png][]

# 五、发布到银河麒麟高级服务器操作系统V10上 #

1. VS2019发布项目

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 13][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 14][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 15][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 16][]

得到发布输出

已启动生成…
    1>------ 已启动生成: 项目: WebApplication1, 配置: Release Any CPU ------
    1>C:\Users\yidam\source\repos\WebApplication1\WebApplication1\Models\sbtestContext.cs(25,10,25,214): warning CS1030: #警告:“To protect potentially sensitive information in your connection string, you should move it out of source code. See http://go.microsoft.com/fwlink/?LinkId=723263 for guidance on storing connection strings.”
    1>WebApplication1 -> C:\Users\yidam\source\repos\WebApplication1\WebApplication1\bin\Release\netcoreapp3.1\WebApplication1.dll
    1>已完成生成项目“WebApplication1.csproj”的操作。
    2>------ 发布已启动: 项目: WebApplication1, 配置: Release Any CPU ------
    正在连接到 C:\Users\yidam\source\repos\WebApplication1\WebApplication1\bin\Release\netcoreapp3.1\publish\...
    WebApplication1 -> C:\Users\yidam\source\repos\WebApplication1\WebApplication1\bin\Release\netcoreapp3.1\WebApplication1.dll
    WebApplication1 -> C:\Users\yidam\source\repos\WebApplication1\WebApplication1\obj\Release\netcoreapp3.1\PubTmp\Out\
    Web 应用已成功发布 file:///C:/Users/yidam/source/repos/WebApplication1/WebApplication1/bin/Release/netcoreapp3.1/publish/
    
    ========== 生成: 成功 1 个，失败 0 个，最新 0 个，跳过 0 个 ==========
    ========== 发布: 成功 1 个，失败 0 个，跳过 0 个 ==========

2. 通过FileZilla将publish目录上传到服务器/root/下

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L20wXzQ2NTczOTY3_size_16_color_FFFFFF_t_70 17][]

3. ssh登陆服务器，进入/root/publish目录，启动web服务

[root@localhost ~]# cd /root/publish/
    [root@localhost publish]# dotnet WebApplication1.dll
    info: Microsoft.Hosting.Lifetime[0]
          Now listening on: http://localhost:5000
    info: Microsoft.Hosting.Lifetime[0]
          Now listening on: https://localhost:5001
    info: Microsoft.Hosting.Lifetime[0]
          Application started. Press Ctrl+C to shut down.
    info: Microsoft.Hosting.Lifetime[0]
          Hosting environment: Production
    info: Microsoft.Hosting.Lifetime[0]
          Content root path: /root/publish

4. 在服务器本地用curl检测接口

[root@localhost ~]# curl https://localhost:5001/api/values -k
    [{"id":1000001,"k":1,"c":"1","pad":"1"},{"id":1000002,"k":2,"c":"2","pad":"2"}]

# 附： #

服务器系统信息

[root@localhost ~]# cat /etc/kylin-release 
    Kylin Linux Advanced Server release V10 (Azalea)
    [root@localhost ~]# dotnet --info
    .NET Core SDK (reflecting any global.json):
     Version:   3.1.402
     Commit:    9b5de826fd
    
    Runtime Environment:
     OS Name:     kylin
     OS Version:  V10
     OS Platform: Linux
     RID:         linux-arm64
     Base Path:   /root/dotnet/sdk/3.1.402/
    
    Host (useful for support):
      Version: 3.1.8
      Commit:  9c1330dedd
    
    .NET Core SDKs installed:
      3.1.402 [/root/dotnet/sdk]
    
    .NET Core runtimes installed:
      Microsoft.AspNetCore.App 3.1.8 [/root/dotnet/shared/Microsoft.AspNetCore.App]
      Microsoft.NETCore.App 3.1.8 [/root/dotnet/shared/Microsoft.NETCore.App]
    
    To install additional .NET Core runtimes or SDKs:
      https://aka.ms/dotnet-download

--------------------

# 总结 #

采用.NET Core 框架，可以轻松完成ASP.NET C\# Web项目迁移到国产银河麒麟高级服务器操作系统V10上。

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