***********************************************************************<\/p>\n
****************
\nServlet\u8fc7\u6ee4\u5668\u662f\u5728Java Servlet\u89c4\u83032.3\u4e2d\u5b9a\u4e49\u7684\uff0c\u5b83\u80fd\u591f\u5bf9Servlet\u5bb9\u5668\u7684\u8bf7\u6c42<\/p>\n
\u548c\u54cd\u5e94\u5bf9\u8c61\u8fdb\u884c\u68c0\u67e5\u548c\u4fee\u6539\u3002\u3000\u3000\u3000<\/p>\n
Servlet \u8fc7\u6ee4\u5668\u672c\u8eab\u5e76\u4e0d\u4ea7\u751f\u8bf7\u6c42\u548c\u54cd\u5e94\u5bf9\u8c61\uff0c\u5b83\u53ea\u80fd\u63d0\u4f9b\u8fc7\u6ee4\u4f5c\u7528\u3002Servlet\u8fc7<\/p>\n
\u671f\u80fd\u591f\u5728Servlet\u88ab\u8c03\u7528\u4e4b\u524d\u68c0\u67e5Request\u5bf9\u8c61\uff0c\u4fee\u6539 Request Header\u548cRequest<\/p>\n
\u5185\u5bb9\uff1b\u5728Servlet\u88ab\u8c03\u7528\u4e4b\u540e\u68c0\u67e5Response\u5bf9\u8c61\uff0c\u4fee\u6539Response Header\u548c<\/p>\n
Response\u5185\u5bb9\u3002<\/p>\n
Servlet\u8fc7\u671f\u8d1f\u8d23\u8fc7\u6ee4\u7684Web\u7ec4\u4ef6\u53ef\u4ee5\u662fServlet\u3001JSP\u6216\u8005HTML\u6587\u4ef6\u3002\u3000
\n***********************************************************************<\/p>\n
****************
\n\u4e8c\u3001Servlet\u8fc7\u6ee4\u5668\u7684\u7279\u70b9\uff1a
\n***********************************************************************<\/p>\n
****************
\nA\uff0eServlet\u8fc7\u6ee4\u5668\u53ef\u4ee5\u68c0\u67e5\u548c\u4fee\u6539ServletRequest\u548cServletResponse\u5bf9\u8c61
\nB\uff0eServlet\u8fc7\u6ee4\u5668\u53ef\u4ee5\u88ab\u6307\u5b9a\u548c\u7279\u5b9a\u7684URL\u5173\u8054\uff0c\u53ea\u6709\u5f53\u5ba2\u6237\u8bf7\u6c42\u8bbf\u95ee\u8be5URL\u65f6\uff0c<\/p>\n
\u624d\u4f1a\u89e6\u53d1\u8fc7\u6ee4\u5668
\nC\uff0eServlet\u8fc7\u6ee4\u5668\u53ef\u4ee5\u88ab\u4e32\u8054\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u7ba1\u9053\u6548\u5e94\uff0c\u534f\u540c\u4fee\u6539\u8bf7\u6c42\u548c\u54cd\u5e94\u5bf9\u8c61
\n***********************************************************************<\/p>\n
****************
\n\u4e09\u3001Servlet\u8fc7\u6ee4\u5668\u7684\u4f5c\u7528\uff1a
\n***********************************************************************<\/p>\n
****************
\nA\uff0e\u67e5\u8be2\u8bf7\u6c42\u5e76\u4f5c\u51fa\u76f8\u5e94\u7684\u884c\u52a8\u3002
\nB\uff0e\u963b\u585e\u8bf7\u6c42-\u54cd\u5e94\u5bf9\uff0c\u4f7f\u5176\u4e0d\u80fd\u8fdb\u4e00\u6b65\u4f20\u9012\u3002
\nC\uff0e\u4fee\u6539\u8bf7\u6c42\u7684\u5934\u90e8\u548c\u6570\u636e\u3002\u7528\u6237\u53ef\u4ee5\u63d0\u4f9b\u81ea\u5b9a\u4e49\u7684\u8bf7\u6c42\u3002
\nD\uff0e\u4fee\u6539\u54cd\u5e94\u7684\u5934\u90e8\u548c\u6570\u636e\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u63d0\u4f9b\u5b9a\u5236\u7684\u54cd\u5e94\u7248\u672c\u5b9e\u73b0\u3002
\nE\uff0e\u4e0e\u5916\u90e8\u8d44\u6e90\u8fdb\u884c\u4ea4\u4e92\u3002
\n***********************************************************************<\/p>\n
****************
\n\u56db\u3001Servlet\u8fc7\u6ee4\u5668\u7684\u9002\u7528\u573a\u5408\uff1a
\n***********************************************************************<\/p>\n
****************
\nA\uff0e\u8ba4\u8bc1\u8fc7\u6ee4
\nB\uff0e\u767b\u5f55\u548c\u5ba1\u6838\u8fc7\u6ee4
\nC\uff0e\u56fe\u50cf\u8f6c\u6362\u8fc7\u6ee4
\nD\uff0e\u6570\u636e\u538b\u7f29\u8fc7\u6ee4
\nE\uff0e\u52a0\u5bc6\u8fc7\u6ee4
\nF\uff0e\u4ee4\u724c\u8fc7\u6ee4
\nG\uff0e\u8d44\u6e90\u8bbf\u95ee\u89e6\u53d1\u4e8b\u4ef6\u8fc7\u6ee4
\nH\uff0eXSL\/T\u8fc7\u6ee4
\nI\uff0eMime-type\u8fc7\u6ee4
\n***********************************************************************<\/p>\n
****************
\n\u4e94\u3001Servlet\u8fc7\u6ee4\u5668\u63a5\u53e3\u7684\u6784\u6210\uff1a
\n***********************************************************************<\/p>\n
****************
\n\u6240\u6709\u7684Servlet\u8fc7\u6ee4\u5668\u7c7b\u90fd\u5fc5\u987b\u5b9e\u73b0javax.servlet.Filter\u63a5\u53e3\u3002\u8fd9\u4e2a\u63a5\u53e3\u542b\u67093<\/p>\n
\u4e2a\u8fc7\u6ee4\u5668\u7c7b\u5fc5\u987b\u5b9e\u73b0\u7684\u65b9\u6cd5\uff1a<\/p>\n
A.init(FilterConfig)\uff1a
\n\u8fd9\u662fServlet\u8fc7\u6ee4\u5668\u7684\u521d\u59cb\u5316\u65b9\u6cd5\uff0cServlet\u5bb9\u5668\u521b\u5efaServlet\u8fc7\u6ee4\u5668\u5b9e\u4f8b\u540e\u5c06\u8c03\u7528<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u3002\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\u53ef\u4ee5\u8bfb\u53d6web.xml\u6587\u4ef6\u4e2dServlet\u8fc7\u6ee4\u5668\u7684\u521d\u59cb\u5316\u53c2\u6570<\/p>\n
B.doFilter(ServletRequest,ServletResponse,FilterChain)\uff1a
\n\u8fd9\u4e2a\u65b9\u6cd5\u5b8c\u6210\u5b9e\u9645\u7684\u8fc7\u6ee4\u64cd\u4f5c\uff0c\u5f53\u5ba2\u6237\u8bf7\u6c42\u8bbf\u95ee\u4e8e\u8fc7\u6ee4\u5668\u5173\u8054\u7684URL\u65f6\uff0cServlet<\/p>\n
\u5bb9\u5668\u5c06\u5148\u8c03\u7528\u8fc7\u6ee4\u5668\u7684doFilter\u65b9\u6cd5\u3002FilterChain\u53c2\u6570\u7528\u4e8e\u8bbf\u95ee\u540e\u7eed\u8fc7\u6ee4\u5668<\/p>\n
B.destroy()\uff1a
\nServlet\u5bb9\u5668\u5728\u9500\u6bc1\u8fc7\u6ee4\u5668\u5b9e\u4f8b\u524d\u8c03\u7528\u8be5\u65b9\u6cd5\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\u53ef\u4ee5\u91ca\u653eServlet\u8fc7\u6ee4<\/p>\n
\u5668\u5360\u7528\u7684\u8d44\u6e90
\n***********************************************************************<\/p>\n
****************
\n\u516d\u3001Servlet\u8fc7\u6ee4\u5668\u7684\u521b\u5efa\u6b65\u9aa4\uff1a
\n***********************************************************************<\/p>\n
****************
\nA\uff0e\u5b9e\u73b0javax.servlet.Filter\u63a5\u53e3
\nB\uff0e\u5b9e\u73b0init\u65b9\u6cd5\uff0c\u8bfb\u53d6\u8fc7\u6ee4\u5668\u7684\u521d\u59cb\u5316\u51fd\u6570
\nC\uff0e\u5b9e\u73b0doFilter\u65b9\u6cd5\uff0c\u5b8c\u6210\u5bf9\u8bf7\u6c42\u6216\u8fc7\u6ee4\u7684\u54cd\u5e94
\nD\uff0e\u8c03\u7528FilterChain\u63a5\u53e3\u5bf9\u8c61\u7684doFilter\u65b9\u6cd5\uff0c\u5411\u540e\u7eed\u7684\u8fc7\u6ee4\u5668\u4f20\u9012\u8bf7\u6c42\u6216\u54cd\u5e94
\nE\uff0e\u9500\u6bc1\u8fc7\u6ee4\u5668
\n***********************************************************************<\/p>\n
****************
\n\u4e03\u3001Servlet\u8fc7\u6ee4\u5668\u5bf9\u8bf7\u6c42\u7684\u8fc7\u6ee4\uff1a
\n***********************************************************************<\/p>\n
****************
\nA\uff0eServlet\u5bb9\u5668\u521b\u5efa\u4e00\u4e2a\u8fc7\u6ee4\u5668\u5b9e\u4f8b
\nB\uff0e\u8fc7\u6ee4\u5668\u5b9e\u4f8b\u8c03\u7528init\u65b9\u6cd5\uff0c\u8bfb\u53d6\u8fc7\u6ee4\u5668\u7684\u521d\u59cb\u5316\u53c2\u6570
\nC\uff0e\u8fc7\u6ee4\u5668\u5b9e\u4f8b\u8c03\u7528doFilter\u65b9\u6cd5\uff0c\u6839\u636e\u521d\u59cb\u5316\u53c2\u6570\u7684\u503c\u5224\u65ad\u8be5\u8bf7\u6c42\u662f\u5426\u5408\u6cd5
\nD\uff0e\u5982\u679c\u8be5\u8bf7\u6c42\u4e0d\u5408\u6cd5\u5219\u963b\u585e\u8be5\u8bf7\u6c42
\nE\uff0e\u5982\u679c\u8be5\u8bf7\u6c42\u5408\u6cd5\u5219\u8c03\u7528chain.doFilter\u65b9\u6cd5\u5c06\u8be5\u8bf7\u6c42\u5411\u540e\u7eed\u4f20\u9012
\n***********************************************************************<\/p>\n
****************
\n\u516b\u3001Servlet\u8fc7\u6ee4\u5668\u5bf9\u54cd\u5e94\u7684\u8fc7\u6ee4\uff1a
\n***********************************************************************<\/p>\n
****************
\nA\uff0e\u8fc7\u6ee4\u5668\u622a\u83b7\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42
\nB\uff0e\u91cd\u65b0\u5c01\u88c5ServletResponse\uff0c\u5728\u5c01\u88c5\u540e\u7684ServletResponse\u4e2d\u63d0\u4f9b\u7528\u6237\u81ea\u5b9a\u4e49\u7684<\/p>\n
\u8f93\u51fa\u6d41
\nC\uff0e\u5c06\u8bf7\u6c42\u5411\u540e\u7eed\u4f20\u9012
\nD\uff0eWeb\u7ec4\u4ef6\u4ea7\u751f\u54cd\u5e94
\nE\uff0e\u4ece\u5c01\u88c5\u540e\u7684ServletResponse\u4e2d\u83b7\u53d6\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u8f93\u51fa\u6d41
\nF\uff0e\u5c06\u54cd\u5e94\u5185\u5bb9\u901a\u8fc7\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u8f93\u51fa\u6d41\u5199\u5165\u5230\u7f13\u51b2\u6d41\u4e2d
\nG\uff0e\u5728\u7f13\u51b2\u6d41\u4e2d\u4fee\u6539\u54cd\u5e94\u7684\u5185\u5bb9\u540e\u6e05\u7a7a\u7f13\u51b2\u6d41\uff0c\u8f93\u51fa\u54cd\u5e94\u5185\u5bb9
\n***********************************************************************<\/p>\n
****************<\/p>\n
\u4e5d\u3001Servlet\u8fc7\u6ee4\u5668\u7684\u53d1\u5e03\uff1a
\n***********************************************************************<\/p>\n
****************
\nA\uff0e\u53d1\u5e03Servlet\u8fc7\u6ee4\u5668\u65f6\uff0c\u5fc5\u987b\u5728web.xml\u6587\u4ef6\u4e2d\u52a0\u5165<filter>\u5143\u7d20\u548c<filter-<\/p>\n
mapping>\u5143\u7d20\u3002<\/p>\n
B\uff0e<filter>\u5143\u7d20\u7528\u6765\u5b9a\u4e49\u4e00\u4e2a\u8fc7\u6ee4\u5668\uff1a
\n\u5c5e\u6027?????????????????? \u542b\u4e49
\nfilter-name??? \u6307\u5b9a\u8fc7\u6ee4\u5668\u7684\u540d\u5b57
\nfilter-class??? \u6307\u5b9a\u8fc7\u6ee4\u5668\u7684\u7c7b\u540d
\ninit-param??? \u4e3a\u8fc7\u6ee4\u5668\u5b9e\u4f8b\u63d0\u4f9b\u521d\u59cb\u5316\u53c2\u6570\uff0c\u53ef\u4ee5\u6709\u591a\u4e2a<\/p>\n
C\uff0e<filter-mapping>\u5143\u7d20\u7528\u4e8e\u5c06\u8fc7\u6ee4\u5668\u548cURL\u5173\u8054\uff1a
\n\u5c5e\u6027???????????????????? \u542b\u4e49
\nfilter-name??? \u6307\u5b9a\u8fc7\u6ee4\u5668\u7684\u540d\u5b57
\nurl-pattern??? \u6307\u5b9a\u548c\u8fc7\u6ee4\u5668\u5173\u8054\u7684URL\uff0c\u4e3a\u201d\/*\u201d\u8868\u793a\u6240\u6709URL
\n***********************************************************************<\/p>\n
****************
\n\u5341\u4e00\u3001Servlet\u8fc7\u6ee4\u5668\u4f7f\u7528\u7684\u6ce8\u610f\u4e8b\u9879
\n***********************************************************************<\/p>\n
****************
\nA\uff0e\u7531\u4e8eFilter\u3001FilterConfig\u3001FilterChain\u90fd\u662f\u4f4d\u4e8ejavax.servlet\u5305\u4e0b\uff0c\u5e76\u975e<\/p>\n
HTTP\u5305\u6240\u7279\u6709\u7684\uff0c\u6240\u4ee5\u5176\u4e2d\u6240\u7528\u5230\u7684\u8bf7\u6c42\u3001\u54cd\u5e94\u5bf9\u8c61ServletRequest\u3001<\/p>\n
ServletResponse\u5728\u4f7f\u7528\u524d\u90fd\u5fc5\u987b\u5148\u8f6c\u6362\u6210HttpServletRequest\u3001<\/p>\n
HttpServletResponse\u518d\u8fdb\u884c\u4e0b\u4e00\u6b65\u64cd\u4f5c\u3002<\/p>\n
B\uff0e\u5728web.xml\u4e2d\u914d\u7f6eServlet\u548cServlet\u8fc7\u6ee4\u5668\uff0c\u5e94\u8be5\u5148\u58f0\u660e\u8fc7\u6ee4\u5668\u5143\u7d20\uff0c\u518d\u58f0\u660e<\/p>\n
Servlet\u5143\u7d20
\nC\uff0e\u5982\u679c\u8981\u5728Servlet\u4e2d\u89c2\u5bdf\u8fc7\u6ee4\u5668\u751f\u6210\u7684\u65e5\u5fd7\uff0c\u5e94\u8be5\u786e\u4fdd\u5728server.xml\u7684<\/p>\n
localhost\u5bf9\u5e94\u7684<host>\u5143\u7d20\u4e2d\u914d\u7f6e\u5982\u4e0b<logger>\u5143\u7d20\uff1a
\n<Logger className = \u201corg.apache.catalina.logger.FileLogger\u201d
\ndirectory = \u201clogs\u201dprefix = \u201clocalhost_log.\u201dsuffix=\u201d.txt\u201d
\ntimestamp = \u201ctrue\u201d\/>
\n***********************************************************************<\/p>\n
****************<\/p>\n","protected":false},"excerpt":{"rendered":"
******************************************************* […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-959","post","type-post","status-publish","format-standard","hentry","category-ssh"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/959","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/comments?post=959"}],"version-history":[{"count":0,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/959\/revisions"}],"wp:attachment":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/media?parent=959"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/categories?post=959"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/tags?post=959"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}