{"id":203,"date":"2007-07-11T21:40:55","date_gmt":"2007-07-11T13:40:55","guid":{"rendered":"http:\/\/www.xujiwei.com\/blog\/?p=203"},"modified":"2010-01-29T21:09:51","modified_gmt":"2010-01-29T13:09:51","slug":"using-cache-in-jscript","status":"publish","type":"post","link":"https:\/\/xujiwei.com\/blog\/2007\/07\/using-cache-in-jscript\/","title":{"rendered":"[ASP] \u5728JScript\u4e2d\u4f7f\u7528\u7f13\u5b58\u6280\u672f"},"content":{"rendered":"<p>\u5728\u7f16\u5199ASP\u7a0b\u5e8f\u65f6\uff0c\u901a\u5e38\u4e3a\u4e86\u63d0\u9ad8ASP\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\u53ca\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u8fde\u63a5\u548c\u67e5\u8be2\uff0c\u4f1a\u4f7f\u7528\u7f13\u5b58\u6280\u672f\u6765\u7f13\u5b58\u4e00\u4e9b\u9700\u8981\u4ece\u6570\u636e\u5e93\u8bfb\u53d6\u7684\u6570\u636e\u3002\u800c\u5728ASP\u4e2d\u5b9e\u73b0\u7f13\u5b58\u7684\u65b9\u6cd5\u5e38\u7528\u7684\u5c31\u662f\u4f7f\u7528Application\u5bf9\u8c61\u3002\u5728\u7f16\u5199ASP\u7a0b\u5e8f\u65f6\uff0c\u6211\u4eec\u6709\u4e24\u79cd\u8bed\u8a00\u53ef\u4ee5\u9009\u62e9\uff0c\u5206\u522b\u662fVBScript\u548cJScript\u3002<\/p>\n<p>\u5728\u4f7f\u7528VBScript\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u7528Application\u7f13\u5b58\u6570\u7ec4\u6765\u5b9e\u73b0\u7f13\u5b58\uff0c\u4f8b\uff1a<\/p>\n<div class=\"codeHead\">\u7a0b\u5e8f\u4ee3\u7801\uff1a<a href=\"javascript:CopyText($('CODE_2591'));\">[ \u590d\u5236\u4ee3\u7801\u5230\u526a\u8d34\u677f ]<\/a><\/div>\n<div id=\"CODE_2591\" class=\"codeMain\">\n<ul>\n<li>Dim\u00a0rs,arr<\/li>\n<li>rs.Open\u00a0conn,sql,1,1<\/li>\n<li>arr=rs.GetRows()<\/li>\n<li>Application.Lock()<\/li>\n<li>Application(\"cache\")=arr<\/li>\n<li>Applicatoin.UnLock()<\/li>\n<\/ul>\n<\/div>\n<p>\u5728VBScript\u91cc\uff0c\u6570\u7ec4\u662f\u53ef\u4ee5\u5b58\u5230Application\u5bf9\u8c61\u91cc\u7684\uff0c\u4f46\u662f\u5982\u679cASP\u7684\u8bed\u8a00\u9009\u62e9\u4e3aJScript\u7684\u8bdd\uff0c\u90a3\u4e48\u5c31\u6709\u4e9b\u4e0d\u5999\u4e86\uff0c\u6211\u4eec\u5728\u4f7f\u7528Application\u50a8\u5b58\u4e00\u4e2a\u6570\u7ec4\u65f6\uff0c\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\uff1a<\/p>\n<blockquote><p>Application\u00a0object,\u00a0ASP\u00a00197\u00a0(0x80004005)<\/p>\n<p>Disallowed\u00a0object\u00a0use<\/p>\n<p>Cannot\u00a0add\u00a0object\u00a0with\u00a0apartment\u00a0model\u00a0behavior\u00a0to\u00a0the\u00a0application\u00a0intrinsic\u00a0object.<\/p><\/blockquote>\n<p>\u5728\u5fae\u8f6f\u7684\u77e5\u8bc6\u5e93\u53ef\u4ee5\u627e\u5230\u5177\u4f53\u539f\u56e0\u5982\u4e0b\uff1a<\/p>\n<blockquote><p>JScript\u00a0arrays\u00a0are\u00a0considered\u00a0to\u00a0be\u00a0\"Apartment\"\u00a0COM\u00a0components.\u00a0Only\u00a0Component\u00a0Object\u00a0Model\u00a0(COM)\u00a0components\u00a0that\u00a0aggregate\u00a0the\u00a0Free\u00a0Threaded\u00a0Marshaler\u00a0(FTM)\u00a0can\u00a0be\u00a0assigned\u00a0to\u00a0Application\u00a0scope\u00a0within\u00a0an\u00a0Internet\u00a0Information\u00a0Server\u00a0(IIS)\u00a05.0\u00a0ASP\u00a0page.\u00a0Because\u00a0an\u00a0\"Apartment\"\u00a0component\u00a0cannot\u00a0aggregate\u00a0the\u00a0FTM\u00a0(it\u00a0cannot\u00a0allow\u00a0a\u00a0direct\u00a0pointer\u00a0to\u00a0be\u00a0passed\u00a0to\u00a0its\u00a0clients,\u00a0unlike\u00a0a\u00a0\"Both\u00a0with\u00a0FTM\"\u00a0object),\u00a0JScript\u00a0arrays\u00a0do\u00a0not\u00a0aggregate\u00a0the\u00a0FTM.\u00a0Therefore,\u00a0JScript\u00a0arrays\u00a0cannot\u00a0be\u00a0assigned\u00a0to\u00a0Application\u00a0scope\u00a0from\u00a0an\u00a0ASP\u00a0page.<\/p><\/blockquote>\n<p>\u4ee5\u4e0a\u63cf\u8ff0\u5f15\u7528\u81ea\uff1a<a rel=\"external\" href=\"http:\/\/support.microsoft.com\/kb\/255887\/en-US\">PRB:\u00a0Error\u00a0When\u00a0You\u00a0Store\u00a0a\u00a0JScript\u00a0Array\u00a0in\u00a0Application\u00a0Scope\u00a0in\u00a0IIS\u00a05.0<\/a><\/p>\n<p>\u56e0\u6b64\uff0c\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u5728Google\u91cc\u627e\u4e86\u4e00\u5927\u4f1a\uff0c\u7ec8\u4e8e\u627e\u5230\u4e86\u4e00\u7bc7\u6587\u7ae0<a rel=\"external\" href=\"http:\/\/blog.csdn.net\/zzcv_\/archive\/2007\/06\/26\/1667242.aspx\">\u300aApplication\u5bf9\u8c61\u7684Contents\u548cStaticObjects\u505aCache\u7684\u4e00\u4e9b\u7ed3\u8bba\u300b<\/a>\uff0c\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\uff0c\u65b9\u6cd5\u5c31\u662f\u4f7f\u7528Application.StaticObject\u5b58\u653e\u4e00\u4e2aScripting.Dictionary\u5bf9\u8c61\uff0c\u7136\u540e\u518d\u4f7f\u7528Scripting.Dictionary\u5bf9\u8c61\u6765\u5b58\u653e\u9700\u8981\u7f13\u5b58\u7684\u6570\u636e\u3002<\/p>\n<p>\u636e\u6b64\uff0c\u5199\u4e86\u4e00\u4e2a\u64cd\u4f5c\u7f13\u5b58\u7684\u7c7b\uff0c\u5b9e\u73b0put\u3001get\u3001remove\u548cclear\u65b9\u6cd5\uff0c\u4f7f\u7528\u4e4b\u524d\uff0c\u9700\u8981\u5728global.asa\u4e2d\u6dfb\u52a0\u4e00\u4e2aobject\uff1a<\/p>\n<div class=\"codeHead\">\u7a0b\u5e8f\u4ee3\u7801\uff1a<a href=\"javascript:CopyText($('CODE_2843'));\">[ \u590d\u5236\u4ee3\u7801\u5230\u526a\u8d34\u677f ]<\/a><\/div>\n<div id=\"CODE_2843\" class=\"codeMain\">\n<ul>\n<li>&lt;object\u00a0id=\"xbsCache\"\u00a0runat=\"server\"\u00a0scope=\"Application\"\u00a0progid=\"Scripting.Dictionary\"&gt;&lt;\/object&gt;<\/li>\n<\/ul>\n<\/div>\n<p>\u7c7b\u7684\u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n<div class=\"codeHead\">\u7a0b\u5e8f\u4ee3\u7801\uff1a<a href=\"javascript:CopyText($('CODE_4653'));\">[ \u590d\u5236\u4ee3\u7801\u5230\u526a\u8d34\u677f ]<\/a><\/div>\n<div id=\"CODE_4653\" class=\"codeMain\">\n<ul>\n<li>&lt;script\u00a0language=\"JScript\"\u00a0runat=\"server\"&gt;<\/li>\n<li>\/**<\/li>\n<li> Title:\u00a0cache\u00a0operate\u00a0class<\/li>\n<li> Description:\u00a0operate\u00a0system\u00a0cache<\/li>\n<li> @Copyright:\u00a0Copyright\u00a0(c)\u00a02007<\/li>\n<li> @Author:\u00a0xujiwei<\/li>\n<li> @Website:\u00a0http:\/\/www.xujiwei.cn\/<\/li>\n<li> @Version:\u00a01.0<\/li>\n<li> @Time:\u00a02007-06-29\u00a012:03:45<\/li>\n<li>**\/<\/li>\n<li>var\u00a0xbsCache\u00a0=\u00a0{<\/li>\n<li> get:\u00a0function(key)\u00a0{<\/li>\n<li> return\u00a0Application.StaticObjects(\"xbsCache\").Item(\"Cache.\"+key);<\/li>\n<li> },<\/li>\n<li> put:\u00a0function(key,\u00a0data)\u00a0{<\/li>\n<li> Application.Lock();<\/li>\n<li> Application.StaticObjects(\"xbsCache\").Item(\"Cache.\"+key)=data;<\/li>\n<li> Application.UnLock();<\/li>\n<li> },<\/li>\n<li> remove:\u00a0function(key)\u00a0{<\/li>\n<li> Application.Lock();<\/li>\n<li> Application.StaticObjects(\"xbsCache\").Remove(\"Cache.\"+key);<\/li>\n<li> Application.UnLock();<\/li>\n<li> },<\/li>\n<li> clear:\u00a0function()\u00a0{<\/li>\n<li> Application.Lock();<\/li>\n<li> Application.StaticObjects(\"xbsCache\").RemoveAll();<\/li>\n<li> Application.UnLock();<\/li>\n<li> }<\/li>\n<li>}<\/li>\n<li>&lt;\/script&gt;<\/li>\n<\/ul>\n<\/div>\n<p>\u5982\u6b64\uff0c\u5c31\u5b8c\u6210\u4e86ASP\u4e2d\u4f7f\u7528JScript\u65f6\u7684\u7f13\u5b58\u5b9e\u73b0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u7f16\u5199ASP\u7a0b\u5e8f\u65f6\uff0c\u901a\u5e38\u4e3a\u4e86\u63d0\u9ad8ASP\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\u53ca\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u8fde\u63a5\u548c\u67e5\u8be2\uff0c &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/xujiwei.com\/blog\/2007\/07\/using-cache-in-jscript\/\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[18,116,109],"_links":{"self":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/203"}],"collection":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/comments?post=203"}],"version-history":[{"count":0,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/posts\/203\/revisions"}],"wp:attachment":[{"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/media?parent=203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/categories?post=203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xujiwei.com\/blog\/wp-json\/wp\/v2\/tags?post=203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}