{"id":548,"date":"2019-05-15T08:42:52","date_gmt":"2019-05-15T00:42:52","guid":{"rendered":"http:\/\/www.hefeiyu.com\/?p=548"},"modified":"2019-05-15T08:42:52","modified_gmt":"2019-05-15T00:42:52","slug":"bdl-fgl_base%e5%9f%ba%e6%9c%ac%e8%af%ad%e6%b3%95base-channel","status":"publish","type":"post","link":"https:\/\/www.hefeiyu.com\/?p=548","title":{"rendered":"BDL-FGL_BASE\u57fa\u672c\u8bed\u6cd5(base.Channel)"},"content":{"rendered":"<pre class=\"pure-highlightjs\"><code class=\"null\">base.Channel \u63d0\u4f9b\u6587\u4ef6\u8bfb\u5199\u529f\u80fd\u53ca\u4e0e\u7cfb\u7edf\u8fdb\u7a0b\u4ea4\u4e92\r\n\r\n \r\n\r\n\u65b9\u6cd5\uff1a\r\n\r\n\u7c7b\u65b9\u6cd5\r\n\r\ncreate() RETURNING base.Channel       \u8fd4\u56de\u4e00\u4e2a\u65b0\u7684Channel\u5bf9\u8c61\r\n\r\n\u5bf9\u8c61\u65b9\u6cd5\r\n\r\nisEof() RETURNING INTEGER             \u662f\u5426\u5230\u6587\u4ef6\u672b\u5c3e\r\n\r\nopenFile(path STRING,flags STRING)    \u6253\u5f00\u4e00\u4e2a\u4e0e\u6587\u4ef6\u4ea4\u6362\u7684Channel\r\n\r\nopenPipe(scmd STRING,flags STRING)    \u6253\u5f00\u4e00\u4e2a\u4e0e\u8fdb\u7a0b\u4ea4\u6362\u7684Channel\r\n\r\nopenClientSocket(host STRING,port INTEGER,flags STRING,timeout INTEGER) \r\n\r\n                                      \u901a\u8fc7host\u4e0epost\u6253\u4e00\u4e2asocket Channel\r\n\r\nsetDelimiter(d STRING)                \u8bbe\u5b9a\u5206\u9694\u7b26\r\n\r\nread(buufer-list) RETURNING INTEGER   \u4eceinput\u8bfb\u5165\u6570\u636e\r\n\r\nwrite(buufer-list)                    \u8bfb\u51fa\u6570\u636e\u81f3output\r\n\r\nreadLine() RETURNING STRING           \u6574\u884c\u8bfb\u5165\u6570\u636e\r\n\r\nwriteLine(buufer STRING)              \u8bfb\u51fa\u6574\u884c\r\n\r\ncreate()                              \u5173\u95edChannel\r\n\r\n \r\n\r\n\u4f7f\u7528\u6b65\u9aa4\uff1a\r\n\r\n\u2460.\u58f0\u660ebase.Channel\u53d8\u91cf\r\n\r\n  DEFINE ch base.Channel\r\n\u2461.\u8c03\u7528base.Channel.create()\u521b\u5efabase.Channel\u5bf9\u8c61\r\n\r\n  LET ch = base.Channel.create()\r\n\u2462.\u901a\u8fc7\u521b\u5efa\u7684\u5bf9\u8c61\u7684setDelimiter()\u65b9\u6cd5\u8bbe\u5b9a\u5206\u5272\u7b26\r\n\r\n  CALL ch.setDelimiter(\"^\")\r\n  \u9ed8\u8ba4\u7684\u5206\u9694\u7b26\u4e3aDBDELIMETER,\u5982\u679cDBDELIMETER\u6ca1\u6709\u6307\u5b9a\u5219\u9ed8\u8ba4\u4e3a\"|\",\u5982\u679c\u4f20\u9012NULL,\u5219\u6ca1\u6709\u4efb\u4f55\u5206\u9694\u7b26\u53ef\u7528\r\n\u2463.\u6253\u5f00Channel,\u5904\u7406\u81ea\u5df1\u7684\u903b\u8f91(ex\uff1a\u8bfb\u3001\u5199....)\r\n\r\n  CALL ch.openFile( \"file.txt\", \"w\" )  OR CALL ch.openPipe( \"ls\", \"r\" )\r\n  r\uff1a\u8bfb\u6a21\u5f0f,\u5982\u679c\u6ca1\u6709\u6307\u5b9a path,\u5219\u9ed8\u8ba4\u4e3a\u6807\u51c6\u8bfb\u5165\r\n    w\uff1a\u5199\u6a21\u5f0f,\u5982\u679c\u6ca1\u6709\u6307\u5b9a path,\u5219\u9ed8\u8ba4\u4e3a\u6807\u51c6\u8f93\u51fa\uff0c\u5982\u679c\u6307\u5b9a\u7684\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5219\u5148\u521b\u5efa\r\n    a\uff1a\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0,\u5982\u679c\u6ca1\u6709\u6307\u5b9a path,\u5219\u9ed8\u8ba4\u4e3a\u6807\u51c6\u8f93\u51fa\uff0c\u5982\u679c\u6307\u5b9a\u7684\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5219\u5148\u521b\u5efa\r\n    u\uff1a\u5148\u4ece\u6807\u51c6\u8bfb\u5165\u518d\u5199\u5165\u6807\u51c6\u8f93\u51fa\uff0cpath\u5fc5\u987b\u6307\u5b9a\u4e3aNULL\r\n    openFile\u65f6\u4e0a\u8ff0\u7684r\u3001w\u3001a\u3001u\u90fd\u53ef\u4ee5\u7528b\u4e8c\u8fdb\u5236\u6a21\u5f0f\u66ff\u4ee3\r\n\u2464.\u6700\u597d\u5173\u95edChannel\r\n\r\n  CALL ch.close()\r\n    \u4e00\u4e2aChannel\u5bf9\u8c61\u6700\u540e\u4e00\u6b21\u88ab\u5f15\u7528\u540e\u4f1a\u88ab\u81ea\u52a8\u5173\u95ed\r\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"https:\/\/www.hefeiyu.com\">\u8d6b\u975e\u57df<\/a> &raquo; <a href=\"https:\/\/www.hefeiyu.com\/?p=548\">BDL-FGL_BASE\u57fa\u672c\u8bed\u6cd5(base.Channel)<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>base.Channel \u63d0\u4f9b\u6587\u4ef6\u8bfb\u5199\u529f\u80fd\u53ca\u4e0e\u7cfb\u7edf\u8fdb\u7a0b\u4ea4\u4e92 \u65b9\u6cd5\uff1a \u7c7b\u65b9\u6cd5 create() RETURNING base.Channel \u8fd4\u56de\u4e00\u4e2a\u65b0\u7684Channel\u5bf9\u8c61 \u5bf9\u8c61\u65b9\u6cd5 isEof() RETURNING INTEGER \u662f\u5426\u5230\u6587\u4ef6\u672b\u5c3e  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[172,174,75],"class_list":["post-548","post","type-post","status-publish","format-standard","hentry","category-4gl","tag-base","tag-channel","tag-string"],"_links":{"self":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/548","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=548"}],"version-history":[{"count":1,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/548\/revisions"}],"predecessor-version":[{"id":549,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=\/wp\/v2\/posts\/548\/revisions\/549"}],"wp:attachment":[{"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=548"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=548"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hefeiyu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=548"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}