{"id":3224,"date":"2012-03-01T17:48:09","date_gmt":"2012-02-29T23:48:09","guid":{"rendered":"http:\/\/www.moonmile.net\/blog\/archives\/3224"},"modified":"2012-03-01T17:49:15","modified_gmt":"2012-03-01T08:49:15","slug":"c-%e3%83%91%e3%82%a4%e3%83%97%e3%81%a7%e7%b9%8b%e3%81%92%e3%81%a6%e3%80%81%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e3%82%92%e6%a4%9c%e7%b4%a2","status":"publish","type":"post","link":"http:\/\/www.moonmile.net\/blog\/archives\/3224","title":{"rendered":"[C#] \u30d1\u30a4\u30d7\u3067\u7e4b\u3052\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u691c\u7d22"},"content":{"rendered":"

\n\u3075\u3068\u3001|\u6f14\u7b97\u5b50\uff08\u30d1\u30a4\u30d7\u6f14\u7b97\u5b50\uff09\u3092\u4f7f\u3063\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u691c\u7d22\u3067\u304d\u305f\u3089\u3001\u4f55\u304b\u3067\u304d\u308b\u306e\u3067\u306f\u306a\u304b\u308d\u3046\u304b…\u3068\u9aa8\u4f11\u3081\u304c\u3066\u3089\u3061\u3087\u3063\u3068\u3002\n<\/p>\n

\r\npublic class Test\r\n{\r\n\tpublic void test001()\r\n\t{\r\n\t\tvar db = new DB{ ConnectionString=&quot;&quot;};\r\n\t\tRESULT items = db | &quot;person&quot; |\r\n\t\t\t&quot;familyname&quot;.EQ(&quot;masuda&quot;) |\r\n\t\t\t&quot;age&quot;.GE(20) |\r\n\t\t\t&quot;*&quot;;\r\n\t\tRESULT items2 = db | &quot;person&quot; |\r\n\t\t\t&quot;familyname&quot;.EQ(&quot;masuda&quot;) |\r\n\t\t\t&quot;age&quot;.GE(20) |\r\n\t\t\t&quot;id&quot; | &quot;familyname&quot; | &quot;lastname&quot;;\r\n\t}\r\n\tpublic void test002()\r\n\t{\r\n\t\tvar db = new DB { ConnectionString = &quot;&quot; };\r\n\t\tRESULT items = \r\n\t\t\tdb | &quot;person&quot; |\r\n\t\t\t(EQ)&quot;familyname&quot; % &quot;masuda&quot; |\t\/\/ familyname == &quot;masuda&quot; \u3068\u540c\u3058\r\n\t\t\t(UP)&quot;age&quot; % 20 |\t\t\t\t\/\/ age >= 20 \u3068\u540c\u3058\r\n\t\t\t&quot;*&quot;;\r\n\t}\r\n\tpublic void test003()\r\n\t{\r\n\t\t\/\/ \u3053\u308c\u304c\u76f4\u611f\u7684\u3067\u826f\u3044\r\n\t\tvar db = new DB { ConnectionString = &quot;&quot; };\r\n\t\tRESULT items =\r\n\t\t\tdb | &quot;person&quot; |\t\t\t\t\t\/\/ \u30c6\u30fc\u30d6\u30eb\u3092\u6307\u5b9a\r\n\t\t\t(OP)&quot;familyname&quot; == &quot;masuda&quot; |\t\/\/ \u691c\u7d22\u6761\u4ef6\r\n\t\t\t(OP)&quot;age&quot; >= 20 |\t\t\t\t\r\n\t\t\t&quot;*&quot;;\t\t\t\t\t\t\t\/\/ \u51fa\u529b\r\n\t}\r\n}\r\n<\/pre>\n
\n\u30c7\u30fc\u30bf\u30b9\u30c8\u30ea\u30fc\u30e0\u3068\u3044\u3046\u3088\u308a\u3082\u3001\u64ec\u4f3cLINQ\u69cb\u6587\u306b\u306a\u3063\u3061\u3083\u3063\u305f\u611f\u3058\u3067\u3001\u3042\u307e\u308a\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u304c\u3002|\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3068\u3001\u6697\u9ed9\u306e\u578b\u5909\u63db(implicit)\u3092\u99c6\u4f7f\u3059\u308b\u3068\u3001\u3053\u3093\u306a\u98a8\u306b\u66f8\u3051\u307e\u3059\u3068\u3044\u3046\u4f8b\u3067\u3059\u3002
\n\u30c7\u30fc\u30bf\u306e\u6bd4\u8f03\u3092\u884c\u3046\u3068\u304d\u306b\u3001”\u30ab\u30e9\u30e0\u540d”.EQ(\u5024) \u306e\u3088\u3046\u306b\u3001\u6700\u521d\u306f\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u8003\u3048\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u3001\u3042\u307e\u308a\u53ef\u8aad\u6027\u304c\u3088\u304f\u306a\u3044\u306e\u3067\u3001\u300c==\u6f14\u7b97\u5b50\u300d\u7b49\u3082\u30aa\u30fc\u30d0\u30fc\u30e9\u30a4\u30c9\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002\n<\/p>\n
\nOP \u30af\u30e9\u30b9\u306e\u3068\u3053\u308d\u304c\u809d\u3067\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u30ab\u30e9\u30e0\u540d\uff08\u6587\u5b57\u5217\uff09\u3092\u4e00\u5ea6 OP \u30af\u30e9\u30b9\u306b\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u304b\u3089\u4f7f\u3046\u3068\u3044\u3046\u5999\u306a\u6280\u3092\u3064\u304b\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3042\u305f\u308a\u306f\u3001\u3082\u3046\u5c11\u3057\u3057\u3063\u304b\u308a\u3068\u4f5c\u308c\u3070\u3001LINQ \u3068\u540c\u3058\u306b\u306a\u308b\u3093\u3067\u3057\u3087\u3046\u304c\u3001\u3057\u3063\u304b\u308a\u4f5c\u3063\u3066\u3057\u307e\u3046\u3068 LINQ \u3068\u540c\u3058\u306b\u306a\u308a\u305d\u3046\u306a\u3093\u3067\u3001\u3053\u306e\u3042\u305f\u308a\u3067\u6b62\u3081\u3066\u304a\u304d\u307e\u3059\u3002\n<\/p>\n
\n\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u305f\u3081\u306e\u30af\u30e9\u30b9\u7fa4\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u305f\u3081\u3060\u3051\u306a\u306e\u3067\u3001\u4e2d\u8eab\u306f\u4f5c\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u307e\u3042\u3001\u69cb\u9020\u304c\u5206\u304b\u308b\u304b\u3068\u3002\u672c\u6765\u306f\u30d1\u30a4\u30d7\u3067\u4f7f\u3046\u308f\u3051\u3060\u304b\u3089\u3001\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u7cfb\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u3088\u3046\u306b\u3057\u305f\u3044\u3067\u3059\u3088\u306d\u3002\u3061\u3087\u3063\u3068\u305d\u306e\u3042\u305f\u308a\u306e\u4f8b\u306f\u601d\u6848\u4e2d\u3068\u3044\u3046\u3053\u3068\u3067\u3002\n<\/p>\n
\r\npublic class DB\r\n{\r\n\tprivate SqlConnection _cn;\r\n\tpublic string ConnectionString { get; set; }\r\n\tpublic static DB operator |(DB db, string name)\r\n\t{\r\n\t\treturn db;\r\n\t}\r\n\tpublic static DB operator |(DB db, OP op)\r\n\t{\r\n\t\treturn db;\r\n\t}\r\n\tpublic static implicit operator RESULT(DB db)\r\n\t{\r\n\t\treturn new RESULT();\r\n\t}\r\n}\r\n\r\npublic static class DPipeExtentions\r\n{\r\n\tpublic static OP EQ( this string cname, object val )\r\n\t{\r\n\t\treturn new OP { ColumnName = cname, Value= val, OpCode = OP.OPRATOR.EQ };\r\n\t}\r\n\tpublic static OP NE( this string cname, object val )\r\n\t{\r\n\t\treturn new OP { ColumnName = cname, Value= val, OpCode = OP.OPRATOR.NE };\r\n\t}\r\n\tpublic static OP LE(this string cname, object val)\r\n\t{\r\n\t\treturn new OP { ColumnName = cname, Value = val, OpCode = OP.OPRATOR.LE };\r\n\t}\r\n\tpublic static OP LT(this string cname, object val)\r\n\t{\r\n\t\treturn new OP { ColumnName = cname, Value = val, OpCode = OP.OPRATOR.LT };\r\n\t}\r\n\tpublic static OP GE(this string cname, object val)\r\n\t{\r\n\t\treturn new OP { ColumnName = cname, Value = val, OpCode = OP.OPRATOR.GE };\r\n\t}\r\n\tpublic static OP GT(this string cname, object val)\r\n\t{\r\n\t\treturn new OP { ColumnName = cname, Value = val, OpCode = OP.OPRATOR.GT };\r\n\t}\r\n}\r\npublic class OP\r\n{\r\n\tpublic enum OPRATOR {\r\n\t\tEQ, NE, LT, LE, GT,GE,\r\n\t}\r\n\tpublic OPRATOR OpCode { get; set; }\r\n\tpublic string ColumnName { get; set; }\r\n\tpublic object Value { get; set; }\r\n\tpublic static OP operator %(OP op, object val)\r\n\t{\r\n\t\top.Value = val;\r\n\t\treturn op;\r\n\t}\r\n\tpublic static implicit operator OP(string name ) {\r\n\t\treturn new OP{ ColumnName = name };\r\n\t}\r\n\tpublic static OP operator ==(OP op, object val) { \r\n\t\treturn new OP { ColumnName = op.ColumnName, Value = val, OpCode = OPRATOR.EQ };\r\n\t}\r\n\tpublic static OP operator !=(OP op, object val)\r\n\t{\r\n\t\treturn new OP { ColumnName = op.ColumnName, Value = val, OpCode = OPRATOR.NE };\r\n\t}\r\n\tpublic static OP operator <(OP op, object val)\r\n\t{\r\n\t\treturn new OP { ColumnName = op.ColumnName, Value = val, OpCode = OPRATOR.LT };\r\n\t}\r\n\tpublic static OP operator <=(OP op, object val)\r\n\t{\r\n\t\treturn new OP { ColumnName = op.ColumnName, Value = val, OpCode = OPRATOR.LE };\r\n\t}\r\n\tpublic static OP operator >(OP op, object val)\r\n\t{\r\n\t\treturn new OP { ColumnName = op.ColumnName, Value = val, OpCode = OPRATOR.GT };\r\n\t}\r\n\tpublic static OP operator >=(OP op, object val)\r\n\t{\r\n\t\treturn new OP { ColumnName = op.ColumnName, Value = val, OpCode = OPRATOR.GE };\r\n\t}\r\n\tpublic override bool Equals(object obj)\r\n\t{\r\n\t\treturn base.Equals(obj);\r\n\t}\r\n\tpublic override int GetHashCode()\r\n\t{\r\n\t\treturn base.GetHashCode();\r\n\t}\r\n}\r\npublic class RESULT : List<object>\r\n{\r\n}\r\npublic class EQ : OP\r\n{\r\n\tpublic static implicit operator EQ(string name)\r\n\t{\r\n\t\treturn (EQ)new OP { ColumnName = name, OpCode = OPRATOR.EQ };\r\n\t}\r\n}\r\npublic class UP : OP\r\n{\r\n\tpublic static implicit operator UP(string name)\r\n\t{\r\n\t\treturn (UP)new OP { ColumnName = name, OpCode = OPRATOR.GE };\r\n\t}\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u3075\u3068\u3001|\u6f14\u7b97\u5b50\uff08\u30d1\u30a4\u30d7\u6f14\u7b97\u5b50\uff09\u3092\u4f7f\u3063\u3066\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u691c\u7d22\u3067\u304d\u305f\u3089\u3001\u4f55\u304b\u3067\u304d\u308b\u306e\u3067\u306f\u306a\u304b\u308d\u3046\u304b…\u3068\u9aa8\u4f11\u3081\u304c\u3066\u3089\u3061\u3087\u3063\u3068\u3002 public class Test { public void test0 … \u7d9a\u304d\u3092\u8aad\u3080 →<\/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":[23],"tags":[],"class_list":["post-3224","post","type-post","status-publish","format-standard","hentry","category-csharp"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/3224","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=3224"}],"version-history":[{"count":1,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/3224\/revisions"}],"predecessor-version":[{"id":3225,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/3224\/revisions\/3225"}],"wp:attachment":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media?parent=3224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/categories?post=3224"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/tags?post=3224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}