IIS\u5904\u7406Asp.net\u8bf7\u6c42\u548c Asp.net\u9875\u9762\u751f\u547d\u5468\u671f<\/p>\n
\u6587\u7ae0\u5f55\u5165\uff1a7747.Net\u00a0\u00a0\u00a0 \u8d23\u4efb\u7f16\u8f91\uff1a7747.Net\u00a0 11
\n\u3010\u5b57\u4f53\uff1a\u5c0f \u5927\u3011<\/p>\n
\u5f53\u4e00\u4e2a\u5ba2\u6237\u7aef\u9875\u9762\u8bbf\u95eeIIS\u8bd5\u56fe\u83b7\u53d6\u4e00\u4e9b\u4fe1\u606f\u7684\u65f6\u5019\uff0c\u53d1\u751f\u4e86\u4ec0\u4e48\u4e8b\u60c5\uff1f\u4e00\u4e2a\u8bf7\u6c42\u5728\u901a\u8fc7\u4e86HTTP\u7ba1\u9053\u540e\u53c8\u53d1\u751f\u4e86\u4ec0\u4e48\uff1f\u672c\u6587\u4e3b\u8981\u662f\u63cf\u8ff0\u8fd9\u4e24\u4e2a\u8fc7\u7a0b\uff0c\u5373IIS\u5904\u7406asp.net\u8bf7\u6c42\u548casp.net\u7684\u9875\u9762\u751f\u547d\u5468\u671f\u3002\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u62cd\u7816\uff0c\u5171\u540c\u5b66\u4e60\uff0c\u5171\u540c\u8fdb\u6b65\u3002<\/p>\n
\u9996\u5148\u6211\u4eec\u8981\u5f04\u6e05\u695a\u4e24\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff1a<\/p>\n
1\uff0c worker process(w3wp.exe). worker process\u7ba1\u7406\u6240\u6709\u7684\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u5e76\u7ed9\u51fa\u54cd\u5e94\u3002\u5b83\u662fIIS\u4e0basp.net\u5e94\u7528\u7a0b\u5e8f\u7684\u6838\u5fc3\u3002<\/p>\n
2\uff0c application pool. \u5b83\u662fworker process\u7684\u5bb9\u5668\uff0cIIS5\u53ca\u4e4b\u524d\u7684IIS\u7248\u672c\u5747\u6ca1\u6709application pool\u7684\u6982\u5ff5\u3002\u6bcf\u4e00\u4e2aapplication pool\u5bf9\u5e94\u7740\u4e00\u4e2aworker process\uff0c\u5728IIS Metabase\u4e2d\u7ef4\u62a4\u7740Application Pool\u548cworker process\u7684Mapping\u3002\u8fd9\u5c31\u907f\u514d\u4e86IIS5\u4e2d\u51fa\u73b0\u7684worker process\uff08IIS5\u4e2d\u662faspnet_wp.exe\uff0c\u540c\u4e00\u65f6\u95f4\u53ea\u80fd\u8fd0\u884c\u4e00\u4e2a\u8be5\u8fdb\u7a0b)\u5d29\u6e83\uff0capplication\u5168\u5d29\u6e83\u7684\u5c40\u9762\u3002<\/p>\n
\u5ba2\u6237\u7aef\u5411IIS\u53d1\u51fa\u4e00\u4e2a\u8d44\u6e90\u8bf7\u6c42\u540e\u53d1\u751f\u4e86\u5982\u4e0b\u4e8b\u60c5\uff1a<\/p>\n
1\uff0c server\u63a5\u53d7\u8be5\u8bf7\u6c42<\/p>\n
IIS6\u901a\u8fc7\u5185\u6838\u6a21\u5f0f\uff08Kernel mode\uff09\u4e2d\u7684HTTP.SYS\u6765\u5206\u53d1\u5404\u4e2aRequest\u5230application pool\u3002 \u8fd9\u5e76\u4e0d\u662f\u968f\u673a\u7684\u8fc7\u7a0b\uff0c\u5728application pool\u521b\u5efa\u7684\u65f6\u5019\u5c31\u5df2\u7ecf\u6ce8\u518c\u5230\u4e86HTTP.SYS,\u6240\u4ee5\u5f53\u8bf7\u6c42\u6765\u5230\u65f6HTTP.SYS\u4f1a\u76f4\u63a5\u53d1\u9001\u5230\u76f8\u5e94\u7684application pool\u3002 \u63a5\u4e0b\u6765\u5728IIS\u7684\u7528\u6237\u6a21\u5f0f\uff08User mode)\u4e2d\uff0cWeb Admin Services (WAS) \u505a\u4e86\u4eceHTTP.SYS\u4e2d\u5f97\u5230Request\u5e76\u5206\u53d1\u5230application pool\u7684\u5de5\u4f5c\u3002application pool\u76f4\u63a5\u628arequest\u4f20\u9012\u7ed9worker process\u3002<\/p>\n
2\uff0c \u8bf7\u6c42\u4f20\u9012\u5230worker process\u540e\uff0cworker process\u521d\u59cb\u5316\u52a0\u8f7dASP.NET ISAPI(Internet Server Application Program Interface)\uff0cASP.NET ISAPI\u8fdb\u800c\u52a0\u8f7dCLR\u521b\u5efa\u6258\u7ba1\u73af\u5883\u3002<\/p>\n
(\u6ce8\uff1aISAPI\u53ea\u662f\u4e00\u4e2a\u63a5\u53e3\uff0c\u8d77\u5230\u4e00\u4e2a\u4ee3\u7406\u7684\u4f5c\u7528\uff0c\u4e3b\u8981\u80fd\u529b\u5c31\u662f\u6839\u636eRequest URL\u7684\u540e\u7f00\u6765\u5bfb\u627e\u8be5\u540e\u7f00\u7684\u5904\u7406\u7a0b\u5e8f\uff09<\/p>\n
ASP.NET ISAPI\u5b9a\u4e49\u5728aspnet_isapi.dll\u4e2d\uff0c\u5b83\u672c\u8eab\u8fd0\u884c\u5728\u4e00\u4e2a\u975e\u6258\u7ba1\u7684\u73af\u5883\u4e2d\u3002ASP.NET ISAPI\u5f00\u59cb\u4e00\u4e2aHttpRuntime, HttpRuntime\u8c03\u7528ProcessRequest\u65b9\u6cd5\u6765\u5f00\u59cb\u5904\u7406\u8bf7\u6c42\u3002ProcessRequest\u6839\u636eISAPI\u4f20\u8fdb\u6765\u7684iWRType \u6765\u521b\u5efa\u4e0d\u540c\u7684HttpWorkerRequest\uff0c\u4ece\u800c\u5c4f\u853d\u4e86\u4e0d\u540cIIS\u7684\u5dee\u5f02\u3002\u63a5\u4e0b\u6765ProcessRequest\u65b9\u6cd5\u521b\u5efa\u4e86HttpContext\uff0c\u6211\u4eec\u4f7f\u7528HTTPContext.Current\u6765\u8bbf\u95ee\u5b83\u3002\u5728HttpRuntime\u4f7f\u7528HttpApplicationFactory\u521b\u5efa\u4e86HttpApplication\u5bf9\u8c61\uff08IHttpHandler\uff09\u4ee5\u540e\uff0c\u6240\u6709\u7684\u8bf7\u6c42\u90fd\u4f1a\u5728\u901a\u8fc7httpmodule\u540e\u627e\u5230\u76f8\u5e94\u7684Httphandler\u8fdb\u884c\u5904\u7406\u3002\u5728HttpApplicationFactory\u521b\u5efaHttpApplication\u4e4b\u524d\uff0c\u4f1a\u67e5\u627econfig\uff08web.config\u548cMachine.config\uff09\u6587\u4ef6\u4e2d\u6ce8\u518c\u7684\u6240\u6709\u7684HttpModule\uff0c\u5e76\u6839\u636e\u914d\u7f6e\u4fe1\u606f\u52a0\u8f7d\u76f8\u5e94\u7684Assembly\uff0c\u901a\u8fc7Reflection\u521b\u5efa\u5bf9\u5e94\u7684HttpModule\uff0c\u5e76\u5c06\u8fd9\u4e9bModule\u52a0\u5230HttpApplication \u7684_moduleCollection Filed\u4e2d\u3002\u6211\u4eec\u5bf9\u4e00\u4e2aApplication\u7684\u8bf7\u6c42\u6700\u7ec8\u4f1a\u843d\u5230\u4e00\u4e2aHttpApplication\u5bf9\u8c61\u4e0a\u3002\u5f53\u4e00\u4e2a\u8bf7\u6c42\u5230\u6765\u65f6\uff0cASP.NET\u4f1a\u5728Httplication Pool\u4e2d\u67e5\u627e\u672a\u88ab\u4f7f\u7528\u7684HttpApplication\u5bf9\u8c61\u3002<\/p>\n
3\uff0c \u8bf7\u6c42\u901a\u8fc7HTTP\u7ba1\u9053\u540e\uff0c\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u53d1\u5411\u76f8\u5173\u7684\u5404\u81ea\u7684httphandler\uff0cIIS\u8bf7\u6c42\u5904\u7406\u8fc7\u7a0b\u7ed3\u675f\u3002<\/p>\n
HttpHandler\u662fHTTP\u7ba1\u9053\u7684\u7ec8\u70b9\uff0c\u5b83\u4e3a\u6bcf\u4e2arequest\u751f\u6210\u8f93\u51fa\u3002System.Web.UI.Page\u5c31\u662f\u8fd9\u6837\u4e00\u4e2a\u5178\u578b\u7684Httphandler\uff0c\u5f53\u6211\u4eec\u8bf7\u6c42\u4e00\u4e2aaspx\u9875\u9762\uff0c\u8fd9\u4e2aHttpHandler\u5c31\u751f\u6210html\u53d1\u9001\u56de\u5ba2\u6237\u7aef\u3002\u770bPage\u7c7b\u7684\u7b7e\u540d\uff1a<\/p>\n
public class Page : TemplateControl, IHttpHandler<\/p>\n
{<\/p>\n
}<\/p>\n
\u53ef\u4ee5\u770b\u5230\uff0cPage\u7c7b\u5c31\u662f\u4e00\u4e2aHttpHandler\u3002<\/p>\n
\u7efc\u4e0a\u6574\u4e2a\u8fc7\u7a0b\u5c31\u662f\uff1a\u5f53\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u9001\u8d44\u6e90\u8bf7\u6c42\u65f6\uff0c\u8bf7\u6c42\u9996\u5148\u5230\u8fbeIIS\u7684HTTP.SYS\u3002\u7136\u540eHTTP.SYS\u53d1\u9001\u8bf7\u6c42\u9053\u5bf9\u5e94\u7684Application Pool\u3002 \u7136\u540eApplication Pool\u53d1\u9001\u8bf7\u6c42\u5230Worker Process\uff08W3WP.exe\uff09\u4e2d\u52a0\u8f7dISAPI Extension\uff0cISAPI\u521b\u5efa\u4e00\u4e2aHttpRuntime\u5bf9\u8c61\u6765\u901a\u8fc7HttpModule\u548cHttpHandler\u5904\u7406\u8bf7\u6c42\u3002 \u7136\u540e\u9875\u9762\u751f\u547d\u5468\u671f\u5c31\u5f00\u59cb\u4e86\u3002<\/p>\n
4\uff0c \u9875\u9762\u751f\u547d\u5468\u671f\u5f00\u59cb<\/p>\n
\u9875\u9762\u751f\u547d\u5468\u671f\u7684\u4e3b\u8981\u9636\u6bb5\u5305\u62ec\uff1a<\/p>\n
\u9875\u9762\u521d\u59cb\u5316\uff08Init\uff09: \u670d\u52a1\u5668\u521b\u5efa\u670d\u52a1\u5668\u63a7\u4ef6\u7684\u5b9e\u4f8b<\/p>\n
\u52a0\u8f7d(load): \u63a7\u4ef6\u5b9e\u4f8b\u88ab\u52a0\u8f7d\u5230\u5b83\u5b9a\u4e49\u7684\u9875\u9762\u5bf9\u8c61\u4e2d<\/p>\n
\u9884\u8f93\u51fa:\uff08PreRender) \u5bf9\u63a7\u4ef6\u7684\u66f4\u6539\u88ab\u66f4\u65b0\uff0c\u51c6\u5907\u8f93\u51fa\u3002<\/p>\n
\u4fdd\u5b58(SaveViewState): \u63a7\u4ef6\u7684\u72b6\u6001\u4fe1\u606f\u88ab\u4fdd\u5b58\u3002<\/p>\n
\u8f93\u51fa\u9875\u9762(Render):\u670d\u52a1\u5668\u4e3a\u63a7\u4ef6\u521b\u5efahtml\u6807\u8bb0\u3002<\/p>\n
\u5904\u7406(Dispose): \u4e3b\u8981\u505a\u7684\u5de5\u4f5c\u5c31\u662fdispose, \u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u6587\u4ef6\u8d44\u6e90\u7684\u91ca\u653e\u7b49\u3002<\/p>\n
\u5378\u8f7d(Unload)\uff1a\u9500\u6bc1\u670d\u52a1\u5668\u63a7\u4ef6\u7684\u5b9e\u4f8b<\/p>\n
\u9875\u9762\u751f\u547d\u5468\u671f\u7684\u4e3b\u8981\u4e8b\u4ef6\uff1a<\/p>\n
PreInit:<\/p>\n
1.\u68c0\u67e5IsPostBack \u5c5e\u6027<\/p>\n
2.\u52a8\u6001\u8bbe\u7f6eMaster Page<\/p>\n
3.\u52a8\u6001\u8bbe\u7f6eTheme<\/p>\n
4.\u8bbe\u7f6e\u63a7\u4ef6\u7684\u9ed8\u8ba4\u503c(UniqueId\u7b49\uff09<\/p>\n
5.\u91cd\u65b0\u521b\u5efa\u52a8\u6001\u63a7\u4ef6\uff08\u521d\u59cb\u5316\u63a7\u4ef6\uff09\uff0c\u521d\u59cb\u5316\u63a7\u4ef6\u7684\u503c<\/p>\n
Init: \u8fd9\u4e2a\u4e8b\u4ef6\u53d1\u751f\u5728\u6240\u6709\u7684\u63a7\u4ef6\u88ab\u521d\u59cb\u5316\uff0c\u6240\u6709\u7684\u76ae\u80a4\u8bbe\u7f6e\u88ab\u5e94\u7528\u4ee5\u540e\u3002\u5b83\u7528\u6765\u8bfb\u53d6\u6216\u8005\u521d\u59cb\u5316\u63a7\u4ef6\u5c5e\u6027\u3002\u5b83\u80fd\u591f\u7528\u6765\u6ce8\u518c\u4e00\u4e9baspx\u9875\u9762\u4e2d\u6ca1\u6709\u6307\u51fa\u7684\u63a7\u4ef6\u7684\u4e8b\u4ef6\u3002<\/p>\n
InitComplete: Use this event for processing tasks that require all initialization to be complete.<\/p>\n
PreLoad: \u52a0\u8f7d\u9875\u9762\u7684ViewState\u548c\u6240\u6709\u7684\u63a7\u4ef6\uff0c\u7136\u540e\u5904\u7406\u6240\u6709\u7684\u5305\u542b\u5728Request\u5b9e\u4f8b\u4e2d\u7684postback\u6570\u636e\u3002<\/p>\n
Load: \u8fd9\u4e2a\u4e8b\u4ef6\u53ef\u80fd\u662f\u5927\u5bb6\u6700\u719f\u6089\u7684\u4e86\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cPage\u5bf9\u8c61\u4f1a\u9012\u5f52\u7684\u8c03\u7528\u5b50\u63a7\u4ef6\u7684onload\u4e8b\u4ef6\u76f4\u5230\u9875\u9762\u548c\u6240\u6709\u7684\u5b50\u63a7\u4ef6\u88ab\u52a0\u8f7d\u5b8c\u6210\u3002\u8fd9\u4e2a\u4e8b\u4ef6\u4e3b\u8981\u7528\u6765\u8bbe\u7f6e\u63a7\u4ef6\u5c5e\u6027\u7684\u503c\uff0c\u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5\uff08\u901a\u5e38\u4e0d\u8fd9\u4e48\u505a\uff09\u3002<\/p>\n
Control events: \u8fd9\u4e2a\u5c31\u4e0d\u591a\u8bf4\u4e86\uff0c\u4e3b\u8981\u662f\u5904\u7406\u63a7\u4ef6\u7684\u4e8b\u4ef6\uff0c\u4f8b\u5982click\u3002\u8fd9\u4e5f\u5c31\u8ba9\u6211\u4eec\u660e\u767d\u4e86\u6bcf\u6b21\u6211\u4eecclick\u4e00\u4e2aButton\u7684\u65f6\u5019\uff0c\u5b9e\u9645\u4e0a\u662f\u8981\u5148\u53bb\u6267\u884cload\u4e8b\u4ef6\u7136\u540e\u624d\u6267\u884cclick\u4e8b\u4ef6\u7684\uff0c\u4e00\u822c\u6211\u4eec\u7528!IsPostBack\u6765\u5224\u65ad\u4e00\u4e0b\u4ece\u800c\u907f\u514d\u6267\u884c\u4e0d\u5fc5\u8981\u7684\u52a0\u8f7d\u903b\u8f91\u3002<\/p>\n
LoadComplete: \u9875\u9762\u6240\u6709\u7684\u63a7\u4ef6\u90fd\u88ab\u52a0\u8f7d\u4ee5\u540e\u6267\u884c\uff0c\u6682\u65f6\u6ca1\u6709\u60f3\u5230\u7528\u6765\u5e72\u4ec0\u4e48\u3002\u3002\u3002<\/p>\n
PreRender: \u5728HTML\u88ab\u751f\u6210\u4e4b\u524d\u8fd9\u662f\u6700\u540e\u4e00\u4e2a\u4e8b\u4ef6\u3002\u6bcf\u4e00\u4e2a\u9875\u9762\u4e2d\u7684\u63a7\u4ef6\u90fd\u6709PreRender\u7684\u8fc7\u7a0b\u3002\u5728\u8fd9\u91cc\u5bf9\u5c06\u8981\u8f93\u51fa\u7684HTML\u7ed3\u679c\u8fdb\u884c\u6700\u540e\u4e00\u6b21\u4fee\u6539\u3002<\/p>\n
SaveStateComplete: \u5728\u8fd9\u4e2a\u65f6\u95f4\u53d1\u751f\u4e4b\u524d\uff0c\u5df2\u7ecf\u4fdd\u5b58\u4e86\u6240\u6709\u63a7\u4ef6\u548c\u9875\u9762\u7684\uff0c\u4efb\u4f55\u5bf9page\u6216\u8005\u63a7\u4ef6\u7684\u6539\u52a8\u90fd\u4e0d\u4f1a\u4ea7\u751f\u5de6\u53f3\u3002\u6682\u65f6\u6ca1\u60f3\u5230\u7528\u6765\u5e72\u5565\u3002<\/p>\n
Render: \u5b83\u4e0d\u662f\u4e00\u4e2a\u4e8b\u4ef6\u800c\u662f\u4e00\u4e2a\u65b9\u6cd5\u3002\u5de5\u4f5c\u5c31\u662f\u628aHTML\u5199\u56de\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u3002<\/p>\n
UnLoad: \u9875\u9762\u4e2d\u7684\u6bcf\u4e00\u4e2a\u63a7\u4ef6\u90fd\u4f1a\u53d1\u751f\u8fd9\u4ef6\u4e8b\u3002\u5728\u63a7\u4ef6\u4e2d\uff0c\u4f7f\u7528\u8fd9\u4e2a\u4e8b\u4ef6\u6765\u505a\u6e05\u7406\u5de5\u4f5c\uff0c\u4f8b\u5982\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u3002\u5bf9\u4e0e\u9875\u9762\u672c\u8eab\u4e5f\u662f\u505a\u6e05\u7406\u5de5\u4f5c\uff0c\u4f8b\u5982\u5173\u95ed\u6253\u5f00\u7684\u6587\u4ef6\u548c\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u6216\u8005\u7ed3\u675f\u65e5\u5fd7\u6216\u8005\u5176\u5b83\u6307\u5b9a\u7684\u5de5\u4f5c\u3002<\/p>\n
\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u6bcf\u6b21Request\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u5168\u65b0\u7684Page\u7c7b\u7684\u5b9e\u4f8b\uff0c\u6240\u4ee5\u5728\u9875\u9762\u4e2d\u7684\u81ea\u5df1\u5b9a\u4e49\u7684\u5b57\u6bb5\u662f\u4e0d\u80fd\u5728\u4e24\u6b21request\u4e2d\u4f20\u9012\u503c\u7684\uff0c\u9700\u8981\u4f7f\u7528viewstate\u6765\u5b58\u50a8\u3002<\/p>\n
5\uff0c HttpHandler\u6839\u636e\u9875\u9762\u751f\u547d\u5468\u671f\u4e2d\u4e8b\u4ef6\u7684\u5904\u7406\u628a\u7ed3\u679c\u53d1\u56deIIS,IIS\u518d\u628a\u7ed3\u679c\u53d1\u56de\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u3002<\/p>\n
\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\u8bf7\u6c42\u4f1a\u518d\u6b21\u901a\u8fc7HttpModule(\u6ce8\u518c\u4e00\u4e2aEndRequest\u4e8b\u4ef6\uff09\u3002<\/p>\n
\u81f3\u6b64\uff0c\u6574\u4e2aRequest\u7ed3\u675f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
IIS\u5904\u7406Asp.net\u8bf7\u6c42\u548c Asp.net\u9875\u9762\u751f\u547d\u5468\u671f \u6587\u7ae0\u5f55\u5165\uff1a7747. … \u7ee7\u7eed\u9605\u8bfb