{"id":349,"date":"2009-04-25T20:39:00","date_gmt":"2009-04-25T12:39:00","guid":{"rendered":""},"modified":"2013-11-17T19:38:53","modified_gmt":"2013-11-17T11:38:53","slug":"delphi%e4%b8%ad%e6%96%87%e6%9c%ac%e6%96%87%e4%bb%b6%e7%9a%84%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/349.html","title":{"rendered":"Delphi\u4e2d\u6587\u672c\u6587\u4ef6\u7684\u64cd\u4f5c"},"content":{"rendered":"<p>\u5728\u5bf9\u6587\u672c\u6587\u4ef6\u8fdb\u884c\u4efb\u4f55\u5904\u7406\u4e4b\u524d\uff0c\u9996\u5148\u8981\u6253\u5f00\u6b64\u6587\u672c\u6587\u4ef6\u3002\u58f0\u660e\u53d8\u91cf\uff1a\u901a\u8fc7\u6b64\u53d8\u91cf\u53ef\u4ee5\u6765\u5f15\u7528\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u3002<\/p>\n<p>\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\u9700\u8981\u4e24\u6b65\uff1a\u9996\u5148\u662f AssignFile(),\u5b83\u53ef\u4ee5\u5c06\u6587\u4ef6\u53d8\u91cf\u4e0e\u4e00\u4e2a\u6587\u4ef6\u5173\u8054\u8d77\u6765\u3002\u4f8b\u5982\uff1a\u8fd9\u65f6\uff0c\u4f60\u53ef\u4ee5\u8fdb\u884c\u7b2c\u4e8c\u6b65\uff1a\u6253\u5f00\u6587\u4ef6\u3002\u6709\u4e09\u79cd\u65b9\u5f0f\u6253\u5f00\u6587\u4ef6\uff1a\u4f7f\u7528Rewrite()\u8fc7\u7a0b\u521b\u5efa\u5e76\u6253\u5f00\u6587\u4ef6\uff1b\u5bf9\u4e8e\u4e00\u4e2a\u5df2\u5b58\u5728\u7684\u6587\u4ef6\uff0c\u6b64\u64cd\u4f5c\u5c06\u4f7f\u6587\u4ef6\u88ab\u8986\u76d6\uff1b\u4f7f\u7528Reset()\u8fc7\u7a0b\u53ea\u8bfb\u5730\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff1b\u4f7f\u7528Append() \u8fc7\u7a0b\u5411\u5df2\u5b58\u5728\u7684\u6587\u4ef6\u8ffd\u52a0\u6587\u672c\u3002<\/p>\n<p>\u6ce8\u610fReset()\u5c06\u4ee5\u53ef\u8bfb\u5199\u65b9\u5f0f\u6253\u5f00\u7c7b\u578b\u6587\u4ef6\u548c\u65e0\u7c7b\u578b\u6587\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528CloseFile()\u6765\u5173\u95ed\u4e00\u4e2a\u5df2\u6253\u5f00\u7684\u6587\u4ef6\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u5404\u79cd\u8c03\u7528\u7684\u51fd\u6570:<\/p>\n<p>\u6587\u4ef6\u7684\u6253\u5f00\u4e0e\u5173\u95ed\uff1a<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\n     AssignFile\uff1a\u628a\u4e00\u4e2a\u5916\u90e8\u6587\u4ef6\u540d\u548c\u4e00\u4e2a\u6587\u4ef6\u53d8\u91cf\u76f8\u5173\u8054\r\n     Reset\uff1a\u6253\u5f00\u4e00\u4e2a\u5b58\u5728\u7684\u6587\u4ef6 \u53ea\u8bfb\u6253\u5f00\r\n     Rewrite\uff1a\u521b\u5efa\u5e76\u6253\u5f00\u4e00\u4e2a\u65b0\u6587\u4ef6\uff08\u6216\u8986\u76d6\u539f\u6709\u6587\u4ef6\uff09\r\n     Append \uff1a\u4ee5\u6dfb\u52a0\u65b9\u5f0f\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\uff08\u53ea\u9002\u7528\u4e8e\u6587\u672c\u6587\u4ef6\uff09\r\n     CloseFile\uff1a\u5173\u95ed\u4e00\u4e2a\u6253\u5f00\u7684\u6587\u4ef6\r\n     FileOpen\uff1a\u6253\u5f00\u4e00\u4e2a\u7279\u5b9a\u7684\u6587\u4ef6\u5e76\u8fd4\u56de\u6587\u4ef6\u53e5\u67c4\r\n     FileCreate\uff1a\u521b\u5efa\u4e00\u4e2a\u7ed9\u5b9a\u6587\u4ef6\u540d\u7684\u6587\u4ef6\u5e76\u8fd4\u56de\u6587\u4ef6\u53e5\u67c4\r\n     FileClose\uff1a\u5173\u95ed\u4e00\u4e2a\u7279\u5b9a\u53e5\u67c4\u7684\u6587\u4ef6\r\n     \u540e\u8fb9\u4e09\u4e2a\u6587\u4ef6\u4e3b\u8981\u4f9b\u7cfb\u7edf\u5185\u90e8\u4f7f\u7528\uff0c\u5728\u6587\u4ef6\u590d\u5236\u7684\u7f16\u7a0b\u4e2d\u4e5f\u5f80\u5f80\u4f1a\u7528\u5230\u3002\u5b83\u4eec\u64cd\u4f5c\u7684\u5bf9\u8c61\u662f\u6587\u4ef6\u53e5\u67c4\u800c\u4e0d\u662f\u6587\u4ef6\u53d8\u91cf\u3002\r\n<\/pre>\n<p>\u6587\u4ef6\u5b9a\u4f4d\uff1a<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\n     Seek\uff1a\u628a\u6587\u4ef6\u5f53\u524d\u4f4d\u7f6e\u79fb\u5230\u6307\u5b9a\u90e8\u5206\r\n     FilePos\uff1a\u8fd4\u56de\u6587\u4ef6\u7684\u5f53\u524d\u4f4d\u7f6e\r\n     Eoln\uff1a\u8fd4\u56de\u884c\u7ed3\u675f\u6807\u5fd7\r\n     EOF\uff1a\u8fd4\u56de\u6587\u4ef6\u7ed3\u675f\u6807\u5fd7\r\n     FileSeek\uff1a\u6539\u53d8\u5f53\u524d\u6587\u4ef6\u6307\u9488\u7684\u4f4d\u7f6e\r\n<\/pre>\n<p>\u6ce8:RichEdit\u548cMemo\u8fd9\u4e24\u4e2a\u6587\u672c\u64cd\u4f5c\u63a7\u4ef6\u5c5e\u6027\u57fa\u672c\u5dee\u4e0d\u591a,\u4e3b\u8981\u533a\u522b\u662fRichEdit\u652f\u6301\u683c\u5f0f\u5316\u6587\u672c,\u800cMemo\u4e0d\u80fd<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nMemo1.Lines.LoadFromFile()\/\/\u8bfb\u51fa\u6587\u4ef6(,\u5982\u679c\u8981\u6253\u5f00\u6307\u5b9a\u6587\u672c\u9700\u8981OpenDialog)\r\n\r\nmemo1.Lines.SaveToFile() \/\/\u4fee\u6539\u540e\u4fdd\u5b58\u6587\u4ef6(\u4fdd\u5b58\u5230\u539f\u8def\u5f84\u4e0b\u7684\u539f\u6587\u4ef6,\u5982\u679c\u8981\u53e6\u5b58\u9700\u8981SaveDialog)\r\n<\/pre>\n<p>\u793a\u4f8b\u4ee3\u7801:<\/p>\n<p>\u4e00, \u9010\u884c\u8bfb\u53d6<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nprocedure TForm1.Button1Click(Sender: TObject);\r\nvar\r\n    myfile:Textfile;\r\n    s:String;\r\nbegin\r\nAssignFile(myfile,\u2019f:\\a.txt\u2019);\r\nReset(myfile);\r\nwhile not eof(myfile) do\r\nbegin\r\n    Readln(myfile,s);\r\n    Memo1.Lines.Add(s);\r\nend;\r\nCloseFile(myfile);\r\nend;\r\n<\/pre>\n<p>\u4e8c, \u4e00\u6b21\u6027\u8bfb\u53d6,\u63a7\u4ef6\u81ea\u5e26\u5c5e\u6027<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nprocedure TForm1.Button2Click(Sender: TObject);\r\nbegin\r\nMemo1.Lines.LoadFromFile(ExtractFilePath(Application.ExeName)+\u2019a.txt\u2019); \/\/\u6253\u5f00\u5e76\u8bfb\u51fa\u7a0b\u5e8f\u76ee\u5f55\u4e0b\u7684\u2019a.txt\u2019\u6587\u672c\u6587\u4ef6\r\nend;\r\n<\/pre>\n<p>\u4e09,\u5199\u6587\u4ef6<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\nprocedure TForm1.Button3Click(Sender: TObject);   \/\/\u5199\u6587\u4ef6\r\nvar\r\nstxt:TextFile;\r\nbegin\r\nAssignFile(stxt,\u2019my.txt\u2019);\r\nRewrite(stxt);   \/\/\u521b\u5efa\u5e76\u6253\u5f00\u6587\u4ef6\uff1b\u82e5\u6587\u4ef6\u5df2\u5b58\u5728\uff0c\u6b64\u64cd\u4f5c\u5c06\u4f7f\u6587\u4ef6\u5185\u5bb9\u6e05\u7a7a,\u4f7f\u7528ReSet\u53ea\u80fd\u6253\u5f00,\u82e5\u6307\u5b9a\u7684\u6587\u4ef6\u4e0d\u5b58\u5728\u65f6\u4f1a\u4ea7\u751f\u4e00\u4e2a\u9519\u8bef\r\nWriteln(stxt, \u2018I love you!\u2019); \/\/\u6b64\u5904\u4e3a\u5199\u5165\u4e00\u884c\u6570\u636e,\u5f53\u7136\u4e5f\u53ef\u4ee5\u5199\u6210 Writeln(stxt, Memo1.Text); \u5373\u4e00\u6b21\u6027\u5199\u5165Memo1\u4e2d\u7684\u6240\u6709\u5185\u5bb9\r\nCloseFile(stxt);\r\nend;\r\n<\/pre>\n<p>\u6e05\u7a7a\u6587\u672c\u540e\u518d\u5199\u503c\uff1a<\/p>\n<pre class=\"brush: delphi; title: ; notranslate\" title=\"\">\r\n   assignfile(f,\u2019.\\data\\result.txt\u2019);\r\n   rewrite(f);     \/\/\u6e05\u7a7a\u6587\u672c\r\n   closefile(f);\r\n   assignfile(f,\u2019.\\data\\result.txt\u2019);\r\n   Append(f);\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5bf9\u6587\u672c\u6587\u4ef6\u8fdb\u884c\u4efb\u4f55\u5904\u7406\u4e4b\u524d\uff0c\u9996\u5148\u8981\u6253\u5f00\u6b64\u6587\u672c\u6587\u4ef6\u3002\u58f0\u660e\u53d8\u91cf\uff1a\u901a\u8fc7\u6b64\u53d8\u91cf\u53ef\u4ee5\u6765\u5f15\u7528\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u3002 \u6253\u5f00\u4e00\u4e2a\u6587\u4ef6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-349","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/349","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=349"}],"version-history":[{"count":1,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/349\/revisions"}],"predecessor-version":[{"id":4773,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/349\/revisions\/4773"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}