{"id":9102,"date":"2018-05-18T09:32:11","date_gmt":"2018-05-18T00:32:11","guid":{"rendered":"http:\/\/www.moonmile.net\/blog\/?p=9102"},"modified":"2018-05-16T17:34:33","modified_gmt":"2018-05-16T08:34:33","slug":"net-core%e4%b8%8a%e3%81%a7linq%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6mysql%e3%81%ab%e3%82%a2%e3%82%af%e3%82%bb%e3%82%b9%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"http:\/\/www.moonmile.net\/blog\/archives\/9102","title":{"rendered":".NET Core\u4e0a\u3067LINQ\u3092\u4f7f\u3063\u3066MySQL\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b"},"content":{"rendered":"<p>\nWindows\u4e0a\u3067\u306f\u3001Visual Studio\u3092\u4f7f\u3063\u3066\u30c7\u30b6\u30a4\u30ca\u3092\u4f7f\u3044\u306a\u304c\u3089MySQL\u304b\u3089\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u3092\u5f15\u3063\u5f35\u3063\u3066\u3053\u308c\u308b\u306e\u3060\u304c\u3001\u3058\u3083\u3042\u3001.NET Core \u306e\u5834\u5408\u306f\u3069\u3046\u3059\u308b\u306e\u304b\uff1f<br \/>\n\u591a\u5206\u3001\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u3001MySql.Data.EntityFrameworkCore.Design \u3042\u305f\u308a\u3092 NuGet \u3067\u3068\u3063\u3066\u304d\u3066\u3042\u308c\u3053\u308c\u3084\u308b\u3093\u3060\u308d\u3046\u3060\u304c\u3001\u9762\u5012\u306a\u306e\u3067\u3002\n<\/p>\n<ul>\n<li>\u3042\u3089\u304b\u3058\u3081\u3001Windows \u306e EF \u30c7\u30b6\u30a4\u30ca\u3067\u53d6\u5f97\u3057\u305f\u30af\u30e9\u30b9\u3092\u53d6\u3063\u3066\u304f\u308b\u3002<\/li>\n<li>\u624b\u4f5c\u696d\u3067\u30c6\u30fc\u30d6\u30eb\u30af\u30e9\u30b9\u3092\u4f5c\u308b<\/li>\n<\/ul>\n<p>\n\u306e\u3069\u3061\u3089\u304b\u304c\u3088\u3044\u3002\n<\/p>\n<p>\nRedmine \u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\uff08projects\uff09\u3068\u30c1\u30b1\u30c3\u30c8\uff08issues\uff09\u306f\u3001\u3053\u3093\u306a\u98a8\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u3053\u308c\u81ea\u4f53\u306f\u3001Windows \u4e0a\u306e .NET \u3067\u3082\u4f7f\u3048\u308b\u3057\u3001Linux \u4e0a\u306e .NET Core \u3067\u3082\u4f7f\u3048\u308b\u3002\n<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\npublic class projects\r\n{\r\n    public int id { get; set; }\r\n    public string name { get; set; }\r\n    public string description { get; set; }\r\n    public string homepage { get; set; }\r\n    public int is_public { get; set; }\r\n    public int? parent_id { get; set; }\r\n    public DateTime? created_on { get; set; }\r\n    public DateTime? updated_on { get; set; }\r\n    public string identifier { get; set; }\r\n    public int status { get; set; }\r\n    public int? lft { get; set; }\r\n    public int? rgt { get; set; }\r\n    public int inherit_members { get; set; }\r\n    public int? default_version_id { get; set; }\r\n}\r\n\r\npublic class issues\r\n{\r\n    public int id { get; set; }\r\n    public int tracker_id { get; set; }\r\n    public int project_id { get; set; }\r\n    public string subject { get; set; }\r\n    public string description { get; set; }\r\n    public DateTime? due_date { get; set; }\r\n    public int? category_id { get; set; }\r\n    public int status_id { get; set; }\r\n    public int? assigned_to_id { get; set; }\r\n    public int priority_id { get; set; }\r\n    public int? fixed_version_id { get; set; }\r\n    public int author_id { get; set; }\r\n    public int lock_version { get; set; }\r\n    public DateTime? created_on { get; set; }\r\n    public DateTime? updated_on { get; set; }\r\n    public DateTime? start_date { get; set; }\r\n    public int done_ratio { get; set; }\r\n    public double? estimated_hours { get; set; }\r\n    public int? parent_id { get; set; }\r\n    public int? root_id { get; set; }\r\n    public int? lft { get; set; }\r\n    public int? rgt { get; set; }\r\n    public int is_private { get; set; }\r\n    public DateTime? closed_on { get; set; }\r\n}\r\n<\/pre>\n<p>\n\u3061\u306a\u307f\u306b\u3001Visual Studio \u306e EF \u30c7\u30b6\u30a4\u30ca\u3060\u3068\u3001\u3053\u3093\u306a projects \u30af\u30e9\u30b9\u3092\u5410\u304d\u51fa\u3059\u3002\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u3064\u3044\u3066\u3044\u308b\u306e\u3067\u3001asp.net mvc \u3067\u30b9\u30ad\u30e3\u30d5\u30a9\u30fc\u30eb\u30c7\u30a3\u30f3\u30b0\u3059\u308b\u3068\u304d\u306b\u4fbf\u5229\u3063\u307d\u3044\u611f\u3058\u304c&#8230;\u3059\u308b\u304c\u3001\u307e\u3042\u306a\u304f\u3066\u3082\u5927\u4e08\u592b\n<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\n &#x5B;Table(&quot;redmine.projects&quot;)]\r\npublic partial class projects\r\n{\r\n    public int id { get; set; }\r\n\r\n    &#x5B;Required]\r\n    &#x5B;StringLength(255)]\r\n    public string name { get; set; }\r\n\r\n    &#x5B;Column(TypeName = &quot;text&quot;)]\r\n    &#x5B;StringLength(65535)]\r\n    public string description { get; set; }\r\n\r\n    &#x5B;StringLength(255)]\r\n    public string homepage { get; set; }\r\n\r\n    public bool is_public { get; set; }\r\n\r\n    public int? parent_id { get; set; }\r\n\r\n    public DateTime? created_on { get; set; }\r\n\r\n    public DateTime? updated_on { get; set; }\r\n\r\n    &#x5B;StringLength(255)]\r\n    public string identifier { get; set; }\r\n\r\n    public int status { get; set; }\r\n\r\n    public int? lft { get; set; }\r\n\r\n    public int? rgt { get; set; }\r\n\r\n    public bool inherit_members { get; set; }\r\n\r\n    public int? default_version_id { get; set; }\r\n}\r\n<\/pre>\n<p>\u3044\u308f\u3086\u308b\u3001Entities \u306a\u30af\u30e9\u30b9\u306f\u3069\u3046\u3059\u308b\u304b\u3068\u3044\u3046\u3068\u3001NuGet \u3067\u300cMySql.Data.EntityFrameworkCore\u300d\u3092\u5165\u308c\u305f\u5f8c\u306b\u3001\u3053\u3093\u306a\u98a8\u306b\u624b\u4f5c\u696d\u3067\u4f5c\u308b\u3002<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\npublic partial class RedmineEntities : DbContext\r\n{\r\n    public RedmineEntities()\r\n    {\r\n            \r\n    }\r\n    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)\r\n    {\r\n        base.OnConfiguring(optionsBuilder);\r\n        optionsBuilder.UseMySQL(@&amp;quot;server=localhost;user id=redmine;password=redmine;database=redmine;port=3306;sslmode=None&amp;quot;);\r\n    }\r\n\r\n    public DbSet&lt;projects&gt; projects { get; set; }\r\n    public DbSet&lt;issues&gt; issues { get; set; }\r\n}\r\n<\/pre>\n<p>\nWindows \u4e0a\u306e DbContext \u3068\u9055\u3046\u306e\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a\u304c OnConfiguring \u30e1\u30bd\u30c3\u30c9\u3092\u30aa\u30fc\u30d0\u30e9\u30a4\u30c9\u3057\u3066\u66f8\u304f\u3053\u3068\u306b\u306a\u308b\u3002MySQL \u306e\u5834\u5408\u306f UseMySQL \u30e1\u30bd\u30c3\u30c9\u3067\u6307\u5b9a\u3059\u308b\u3002\u3053\u306e\u90e8\u5206\u306f\u62e1\u5f35\u30e1\u30bd\u30c3\u30c9\u306b\u306a\u3063\u3066\u3044\u3066\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u6c7a\u3081\u308b\u306e\u3067\u306f\u306a\u304f\u3066\u3001\u30c0\u30c3\u30af\u30bf\u30a4\u30d4\u30f3\u30b0\u306a\u3068\u3053\u308d\u304c\u8208\u5473\u6df1\u3044\u3068\u3053\u308d\u3002\u4ee5\u524d\u306f Factory \u3060\u3063\u305f\u3088\u3046\u306a\u6c17\u3082\u3059\u308b\u306e\u3060\u304c\u3001\u3053\u3093\u306a\u98a8\u306b\u30e1\u30bd\u30c3\u30c9\u540d\u3067\u306a\u3093\u3068\u306a\u304f\u30eb\u30fc\u30eb\u3092\u6c7a\u3081\u3066\u304a\u304f\u306e\u304c\u5b9f\u306b C# \u3063\u307d\u3044\u3002\n<\/p>\n<p>\n\u3053\u3053\u307e\u3067\u51fa\u6765\u305f\u3089\u3001\u5f8c\u306f .NET Core \u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u30a2\u30d7\u30ea\u3092\u4f5c\u308b\u3002\n<\/p>\n<pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\r\nclass Program\r\n{\r\n    static void Main(string&#x5B;] args)\r\n    {\r\n        Console.WriteLine(&quot;Hello MysQL EF &quot;);\r\n\r\n        var ent = new RedmineEntities();\r\n        var items = ent.projects.ToList();\r\n        foreach (var it in items)\r\n        {\r\n            Console.WriteLine($&quot;{it.id} {it.identifier} {it.name}&quot;);\r\n        }\r\n    }\r\n}\r\n<\/pre>\n<p>\n\u30b7\u30f3\u30d7\u30eb\u306b Redmine \u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4e00\u89a7\u3092\u8868\u793a\u3057\u3066\u3044\u308b\u3060\u3051\u306a\u306e\u3060\u304c\u3001LINQ \u304c\u4f7f\u3048\u308b\u306e\u3067 SQL \u6587\u3092\u66f8\u304f\u5fc5\u8981\u304c\u306a\u3044\u3002\u3053\u306e\u3050\u3089\u3044\u306e SELECT \u3060\u3068\u3001\u666e\u901a\u306b SQL \u6587\u3092\u66f8\u3044\u3066\u3082\u624b\u9593\u306f\u5909\u308f\u3089\u306a\u3044\u306e\u3060\u3051\u3069\u3001Update \u3068\u304b Insert \u3068\u304b\u3092\u3084\u308a\u59cb\u3081\u308b\u3068\u3001ent.SaveChanges() \u3067\u4e00\u767a\u3067\u66f8\u304d\u8fbc\u3081\u308b\u306e\u306f\u7d50\u69cb\u4fbf\u5229\u3060\u3063\u305f\u308a\u3059\u308b\u3002\u7279\u306b\u3001\u30ab\u30e9\u30e0\u306e\u6570\u304c\u591a\u3044\u5834\u5408\u3068\u304b\u3002\n<\/p>\n<p><a href='http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2018\/05\/dworkblogimage20180516_01org.jpg'><img border='0' src='http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2018\/05\/dworkblogimage20180516_01thum.jpg'\/><\/a><\/p>\n<p>\n\u3053\u308c\u3092 .net core \u306e asp.net mvc \u3067 web api \u5316\u3059\u308b\u3068\u4fbf\u5229\u3060\u3063\u305f\u308a\u3059\u308b\u306e\u3060\u304c\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u4f7f\u3063\u3066\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3067\u6253\u3066\u308b\u306e\u3082\u3088\u3044\u3060\u308d\u3046\u3002GUI \u7d61\u307f\u306f .NET Core \u3067\u306f\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u5225\u9014 Windows \u304b\u3089 MySQL \u306e\u3042\u308b\u30b5\u30fc\u30d0\u30fc\u306b\u7e4b\u3052\u3066\u3001WPF \u3067\u66f8\u304f\u306e\u304c\u30d9\u30bf\u30fc\u3060\u308d\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Windows\u4e0a\u3067\u306f\u3001Visual Studio\u3092\u4f7f\u3063\u3066\u30c7\u30b6\u30a4\u30ca\u3092\u4f7f\u3044\u306a\u304c\u3089MySQL\u304b\u3089\u30c6\u30fc\u30d6\u30eb\u69cb\u9020\u3092\u5f15\u3063\u5f35\u3063\u3066\u3053\u308c\u308b\u306e\u3060\u304c\u3001\u3058\u3083\u3042\u3001.NET Core \u306e\u5834\u5408\u306f\u3069\u3046\u3059\u308b\u306e\u304b\uff1f \u591a\u5206\u3001\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u3001My &hellip; <a href=\"http:\/\/www.moonmile.net\/blog\/archives\/9102\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,23],"tags":[],"class_list":["post-9102","post","type-post","status-publish","format-standard","hentry","category-dev","category-csharp"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/9102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/comments?post=9102"}],"version-history":[{"count":2,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/9102\/revisions"}],"predecessor-version":[{"id":9104,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/9102\/revisions\/9104"}],"wp:attachment":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media?parent=9102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/categories?post=9102"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/tags?post=9102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}