{"id":420,"date":"2015-09-02T14:11:11","date_gmt":"2015-09-02T06:11:11","guid":{"rendered":"http:\/\/www.fh1986.com\/?p=420"},"modified":"2015-09-02T14:11:11","modified_gmt":"2015-09-02T06:11:11","slug":"c%e8%af%bb%e5%8f%96%e9%80%9a%e4%bf%a1%e8%be%be%e8%a1%8c%e6%83%85%e6%95%b0%e6%8d%ae%e7%bc%93%e5%ad%98%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.fh1986.com\/index.php\/archives\/420.html","title":{"rendered":"C#\u8bfb\u53d6\u901a\u4fe1\u8fbe\u884c\u60c5\u6570\u636e\u7f13\u5b58\u6587\u4ef6"},"content":{"rendered":"<p>\u6700\u8fd1\u8fd9\u6bb5\u65f6\u95f4\u5bf9\u80a1\u7968\u6709\u4e86\u5174\u8da3,\u5f53\u7136\u4e5f\u6ca1\u6709\u5c11\u4e8f,\u73b0\u5728\u660e\u767d\u73a9\u80a1\u7968\u7684,\u8bf4\u4e0d\u4e8f\u8d5a\u94b1\u4ec0\u4e48\u90fd\u662f\u9a97\u4eba\u7684,\u94b1\u80fd\u4e0d\u80fd\u8d5a,\u5f53\u7136\u662f\u80af\u5b9a\u7684,\u4f46\u597d\u4e0d\u597d\u8d5a,\u5c31\u4e0d\u4e00\u5b9a\u4e86.<\/p>\n<p>\u4f5c\u4e3a\u6570\u636e\u65f6\u4ee3\u7684\u7801\u519c,\u5bf9\u4e00\u4e2a\u4ea4\u6613\u7cfb\u7edf\u8fdb\u884c\u7814\u7a76\u7684\u52a8\u529b\u53ef\u662f\u4e0d\u5c0f\u7684,\u8fd9\u4e0d,\u4eca\u5929\u5c31\u4ece\u6700\u7b80\u5355\u7684\u5f00\u59cb\u5427.<\/p>\n<p>\u884c\u60c5\u6570\u636e\u4fdd\u5b58\u5728.day\u6587\u4ef6\u4e2d,\u91c7\u7528\u7684\u662f\u7ed3\u6784\u4f53\u4fdd\u5b58\u7684\u65b9\u5f0f.<\/p>\n<pre class=\"csharpcode\">    <span class=\"kwrd\">public<\/span> <span class=\"kwrd\">struct<\/span> StockInfo\n        {\n        <span class=\"kwrd\">public<\/span> <span class=\"kwrd\">int<\/span> date;\n        <span class=\"kwrd\">public<\/span> <span class=\"kwrd\">int<\/span> open;\n        <span class=\"kwrd\">public<\/span> <span class=\"kwrd\">int<\/span> high;\n        <span class=\"kwrd\">public<\/span> <span class=\"kwrd\">int<\/span> low;\n        <span class=\"kwrd\">public<\/span> <span class=\"kwrd\">int<\/span> close;\n        <span class=\"kwrd\">public<\/span> <span class=\"kwrd\">int<\/span> amount;\n        <span class=\"kwrd\">public<\/span> <span class=\"kwrd\">int<\/span> vol;\n        <span class=\"kwrd\">public<\/span> <span class=\"kwrd\">int<\/span> reservation;\n        }<\/pre>\n<style type=\"text\/css\">.csharpcode, .csharpcode pre\n{\n\tfont-size: small;\n\tcolor: black;\n\tfont-family: consolas, \"Courier New\", courier, monospace;\n\tbackground-color: #ffffff;\n\t\/*white-space: pre;*\/\n}\n.csharpcode pre { margin: 0em; }\n.csharpcode .rem { color: #008000; }\n.csharpcode .kwrd { color: #0000ff; }\n.csharpcode .str { color: #006080; }\n.csharpcode .op { color: #0000c0; }\n.csharpcode .preproc { color: #cc6633; }\n.csharpcode .asp { background-color: #ffff00; }\n.csharpcode .html { color: #800000; }\n.csharpcode .attr { color: #ff0000; }\n.csharpcode .alt \n{\n\tbackground-color: #f4f4f4;\n\twidth: 100%;\n\tmargin: 0em;\n}\n.csharpcode .lnum { color: #606060; }\n<\/style>\n<p>\u7531\u4e0a\u9762\u7684\u7ed3\u6784\u4f53\u53ef\u4ee5\u770b\u51fa\u5176\u57fa\u672c\u7684\u6570\u636e\u7ed3\u6784\u8fd8\u662f\u6bd4\u8f83\u7b80\u5355\u7684.<\/p>\n<p>\u65e5\u671f,\u5f00\u76d8\u4ef7,\u6700\u9ad8\u4ef7,\u6700\u4f4e\u4ef7,\u6536\u76d8\u4ef7,\u6210\u4ea4\u91cf,\u6210\u4ea4\u989d,\u8fd8\u6709\u6700\u540e\u4e00\u4e2a\u662f\u4fdd\u7559\u4f4d.<\/p>\n<p>\u4e86\u89e3\u4e86\u7ed3\u6784\u4f53\u7684\u6570\u636e\u7ed3\u6784\u4ee5\u540e,\u518d\u8bfb\u53d6\u5c31\u76f8\u5bf9\u6bd4\u8f83\u7b80\u5355\u4e86,\u7b80\u5355\u6765\u8bb2,\u5c31\u662f\u628a\u4e8c\u8fdb\u5236\u4e2d\u7684\u6570\u636e\u53cd\u5e8f\u5217\u5316\u51fa\u6765.\u5c31\u53ef\u4ee5\u4e86.\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u4e00\u6b65\u4e00\u6b65\u7684\u5206\u6790\u8fd9\u4e2a\u8fc7\u7a0b.<\/p>\n<p>1. \u9996\u5148\u662f\u83b7\u53d6\u8bfb\u53d6\u7684\u6587\u4ef6\u5185\u5bb9.<\/p>\n<p>\u8fd9\u4e2a\u76f8\u5bf9\u6bd4\u8f83\u7b80\u5355,C#\u6709\u6807\u51c6\u7684\u4e8c\u8fdb\u5236\u8bfb\u53d6\u65b9\u6cd5.<\/p>\n<pre class=\"csharpcode\">  <span class=\"kwrd\">public<\/span> <span class=\"kwrd\">static<\/span> <span class=\"kwrd\">byte<\/span>[] ReadInfo(<span class=\"kwrd\">string<\/span> file, <span class=\"kwrd\">int<\/span> read)\n            {\n            FileStream fs = <span class=\"kwrd\">new<\/span> FileStream(file, FileMode.Open);\n\n            FileInfo fileInfo = <span class=\"kwrd\">new<\/span> FileInfo(file);\n\n            BinaryReader br = <span class=\"kwrd\">new<\/span> BinaryReader(fs);\n\n            <span class=\"kwrd\">byte<\/span>[] bt = br.ReadBytes(Convert.ToInt32(fileInfo.Length));\n            br.Close();\n            fs.Close();\n\n            <span class=\"kwrd\">return<\/span> bt;\n            }<\/pre>\n<p><style type=\"text\/css\">.csharpcode, .csharpcode pre\n{\n\tfont-size: small;\n\tcolor: black;\n\tfont-family: consolas, \"Courier New\", courier, monospace;\n\tbackground-color: #ffffff;\n\t\/*white-space: pre;*\/\n}\n.csharpcode pre { margin: 0em; }\n.csharpcode .rem { color: #008000; }\n.csharpcode .kwrd { color: #0000ff; }\n.csharpcode .str { color: #006080; }\n.csharpcode .op { color: #0000c0; }\n.csharpcode .preproc { color: #cc6633; }\n.csharpcode .asp { background-color: #ffff00; }\n.csharpcode .html { color: #800000; }\n.csharpcode .attr { color: #ff0000; }\n.csharpcode .alt \n{\n\tbackground-color: #f4f4f4;\n\twidth: 100%;\n\tmargin: 0em;\n}\n.csharpcode .lnum { color: #606060; }\n<\/style>\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u5e94\u8be5\u4e0d\u9700\u8981\u89e3\u91ca,\u5c31\u662f\u4ece\u6587\u4ef6\u5f00\u59cb\u8bfb\u5230\u6700\u540e\u4e00\u884c\u5457.\u76f8\u5f53\u7b80\u5355\u7684\u4e8b\u60c5.<\/p>\n<p>2. \u63a5\u4e0b\u6765,\u5c31\u662f\u6309\u7167\u7ed3\u6784\u4f53\u7684\u5927\u5c0f\u89e3\u6790\u8bfb\u5230\u4e86byte[]\u6570\u7ec4.<\/p>\n<p>\u8fd9\u4e2a\u89e3\u6790\u5c31\u6bd4\u8f83\u7b80\u5355,\u7528\u5230\u4e86\u51e0\u4e2a\u672c\u5730\u64cd\u4f5c\u7684\u51fd\u6570.\u6211\u4eec\u5148\u6765\u770b\u4e00\u4e0b\u4ee3\u7801<\/p>\n<pre class=\"csharpcode\">       <span class=\"kwrd\">private<\/span> <span class=\"kwrd\">static<\/span> StockInfo Byte2Struct(<span class=\"kwrd\">byte<\/span>[] arr)\n            {\n            <span class=\"rem\">\/\/\u83b7\u53d6\u7ed3\u6784\u4f53\u7684\u5927\u5c0f<\/span>\n            <span class=\"kwrd\">int<\/span> structSize = Marshal.SizeOf(<span class=\"kwrd\">typeof<\/span>(StockInfo));\n            <span class=\"rem\">\/\/\u5206\u914d\u7ed3\u6784\u4f53\u5927\u5c0f\u7684\u7a7a\u95f4<\/span>\n            IntPtr ptemPtr = Marshal.AllocHGlobal(structSize);\n            <span class=\"rem\">\/\/\u5c06byte\u6570\u7ec4\u62f7\u8d1d\u5230\u5206\u914d\u597d\u7684\u5185\u5b58\u7a7a\u95f4<\/span>\n            Marshal.Copy(arr, 0, ptemPtr, structSize);\n            <span class=\"rem\">\/\/\u5c06\u5185\u5b58\u7a7a\u95f4\u8f6c\u6362\u4e3a\u76ee\u6807\u7ed3\u6784\u4f53<\/span>\n            StockInfo stock = (StockInfo)Marshal.PtrToStructure(ptemPtr, <span class=\"kwrd\">typeof<\/span>(StockInfo));\n            <span class=\"rem\">\/\/\u65bd\u653e\u5185\u5b58\u7a7a\u95f4<\/span>\n            Marshal.FreeHGlobal(ptemPtr);\n\n            <span class=\"kwrd\">return<\/span> stock;\n            }\n<\/pre>\n<style type=\"text\/css\">.csharpcode, .csharpcode pre\n{\n\tfont-size: small;\n\tcolor: black;\n\tfont-family: consolas, \"Courier New\", courier, monospace;\n\tbackground-color: #ffffff;\n\t\/*white-space: pre;*\/\n}\n.csharpcode pre { margin: 0em; }\n.csharpcode .rem { color: #008000; }\n.csharpcode .kwrd { color: #0000ff; }\n.csharpcode .str { color: #006080; }\n.csharpcode .op { color: #0000c0; }\n.csharpcode .preproc { color: #cc6633; }\n.csharpcode .asp { background-color: #ffff00; }\n.csharpcode .html { color: #800000; }\n.csharpcode .attr { color: #ff0000; }\n.csharpcode .alt \n{\n\tbackground-color: #f4f4f4;\n\twidth: 100%;\n\tmargin: 0em;\n}\n.csharpcode .lnum { color: #606060; }\n<\/style>\n<p>\u4e0a\u9762\u6700\u91cd\u8981\u7684\u5c31\u662f\u901a\u8fc7sizeof\u83b7\u53d6\u7ed3\u6784\u4f53\u7684\u4e8c\u5236\u4fdd\u5b58\u7684\u5b57\u8282\u7684\u5927\u5c0f.<\/p>\n<p>\u7136\u540e\u901a\u8fc7\u4e92\u64cd\u4f5c\u7c7b\u5206\u914d\u5185\u5b58\u7a7a\u95f4,\u628a\u6570\u7ec4\u62f7\u8d1d\u5230\u5185\u5b58,\u518d\u628a\u5185\u5b58\u4e2d\u7684\u6570\u636e\u5199\u5165\u5230\u7ed3\u6784\u4f53.\u76f8\u5bf9\u6765\u8bf4,\u6ca1\u6709\u4ec0\u4e48\u590d\u6742\u7684\u4e8b\u60c5.<\/p>\n<p>3. \u7528\u4e3b\u51fd\u6570\u5c06\u8fd9\u4e9b\u64cd\u4f5c\u94fe\u63a5\u8d77\u6765.\u7b80\u5355\u6765\u8bb2,\u5c31\u662f\u8bfb\u53d6\u6587\u4ef6,\u7136\u540e\u83b7\u53d6\u8bb0\u5f55\u7684\u6761\u6570.\u7528\u5faa\u73af\u8bfb\u53d6\u6bcf\u4e00\u6761\u8bb0\u5f55.<\/p>\n<pre class=\"csharpcode\">            <span class=\"kwrd\">byte<\/span>[] bt = ReadInfo(filename, 288);\n\n            <span class=\"kwrd\">int<\/span> structSize = Marshal.SizeOf(<span class=\"kwrd\">typeof<\/span>(StockInfo));\n\n            <span class=\"kwrd\">int<\/span> num = bt.Length \/ structSize;\n\n            <span class=\"kwrd\">for<\/span> (<span class=\"kwrd\">int<\/span> i = 0; i &lt; num; i++)\n                {\n                <span class=\"kwrd\">byte<\/span>[] temp = <span class=\"kwrd\">new<\/span> <span class=\"kwrd\">byte<\/span>[structSize];\n                Array.Copy(bt, i * structSize, temp, 0, structSize);\n\n                StockInfo stock = <span class=\"kwrd\">new<\/span> StockInfo();\n                stock = Byte2Struct(temp);\n\n                Console.Out.WriteLine(stock.date + <span class=\"str\">\" \"<\/span> + stock.open \/ 100.00 + <span class=\"str\">\" \"<\/span> + stock.close \/ 100.00 + <span class=\"str\">\" \"<\/span> + stock.high \/ 100.00 + <span class=\"str\">\" \"<\/span> + stock.low \/ 100.00 + <span class=\"str\">\" \"<\/span> + stock.amount + <span class=\"str\">\" \"<\/span> + stock.vol + <span class=\"str\">\" \"<\/span> + stock.reservation);\n\n                }<\/pre>\n<style type=\"text\/css\">.csharpcode, .csharpcode pre\n{\n\tfont-size: small;\n\tcolor: black;\n\tfont-family: consolas, \"Courier New\", courier, monospace;\n\tbackground-color: #ffffff;\n\t\/*white-space: pre;*\/\n}\n.csharpcode pre { margin: 0em; }\n.csharpcode .rem { color: #008000; }\n.csharpcode .kwrd { color: #0000ff; }\n.csharpcode .str { color: #006080; }\n.csharpcode .op { color: #0000c0; }\n.csharpcode .preproc { color: #cc6633; }\n.csharpcode .asp { background-color: #ffff00; }\n.csharpcode .html { color: #800000; }\n.csharpcode .attr { color: #ff0000; }\n.csharpcode .alt \n{\n\tbackground-color: #f4f4f4;\n\twidth: 100%;\n\tmargin: 0em;\n}\n.csharpcode .lnum { color: #606060; }\n<\/style>\n<p>\u8fd9\u6837\u5b50\u6765\u770b,\u5176\u5b9e\u8bfb\u53d6\u4e8c\u8fdb\u5236\u4e5f\u4e0d\u590d\u6742,\u53ea\u8981\u77e5\u9053\u539f\u59cb\u7ed3\u6784\u4f53,\u8bfb\u53d6\u8fd8\u662f\u6bd4\u8f83\u7b80\u5355\u7684.<\/p>\n<pre>\u6bcf\u65e5\u884c\u60c5\u8bfb\u53d6\u5b8c\u4e86,\u5c31\u53ef\u4ee5\u8fdb\u884c\u7b2c\u4e8c\u6b65\u4e86,\u5c31\u662f\u5236\u5b9a\u81ea\u5df1\u7684\u64cd\u4f5c\u7b56\u7565,\u7136\u540e\u5236\u5b9a\u7a0b\u5e8f\u5316\u4ea4\u6613\u7684\u6a21\u578b\u4e86\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u8fd9\u6bb5\u65f6\u95f4\u5bf9\u80a1\u7968\u6709\u4e86\u5174\u8da3,\u5f53\u7136\u4e5f\u6ca1\u6709\u5c11\u4e8f,\u73b0\u5728\u660e\u767d\u73a9\u80a1\u7968\u7684,\u8bf4\u4e0d\u4e8f\u8d5a\u94b1\u4ec0\u4e48\u90fd\u662f\u9a97\u4eba\u7684,\u94b1\u80fd\u4e0d\u80fd\u8d5a,\u5f53\u7136\u662f\u80af\u5b9a &hellip; <a href=\"https:\/\/www.fh1986.com\/index.php\/archives\/420.html\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">C#\u8bfb\u53d6\u901a\u4fe1\u8fbe\u884c\u60c5\u6570\u636e\u7f13\u5b58\u6587\u4ef6<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.fh1986.com\/index.php\/wp-json\/wp\/v2\/posts\/420"}],"collection":[{"href":"https:\/\/www.fh1986.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fh1986.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fh1986.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fh1986.com\/index.php\/wp-json\/wp\/v2\/comments?post=420"}],"version-history":[{"count":0,"href":"https:\/\/www.fh1986.com\/index.php\/wp-json\/wp\/v2\/posts\/420\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fh1986.com\/index.php\/wp-json\/wp\/v2\/media?parent=420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fh1986.com\/index.php\/wp-json\/wp\/v2\/categories?post=420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fh1986.com\/index.php\/wp-json\/wp\/v2\/tags?post=420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}