{"id":2123,"date":"2022-12-04T23:04:20","date_gmt":"2022-12-04T15:04:20","guid":{"rendered":"https:\/\/qaqaq.top\/?p=2123"},"modified":"2022-12-19T20:34:11","modified_gmt":"2022-12-19T12:34:11","slug":"servlet-%e4%bb%80%e4%b9%88%e6%98%afservlet%e3%80%81servlet-%e7%ac%ac%e4%b8%80%e4%b8%aaservlet%e7%a8%8b%e5%ba%8f%e3%80%81servlet-servlet%e7%a8%8b%e5%ba%8f%e5%b8%b8%e8%a7%81%e9%94%99%e8%af%af%e3%80%81se","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=2123","title":{"rendered":"Servlet-\u4ec0\u4e48\u662fServlet\u3001Servlet\u7a0b\u5e8f\u5e38\u89c1\u9519\u8bef\u3001url\u5730\u5740\u5982\u4f55\u5b9a\u4f4d\u5230Servlet\u7a0b\u5e8f\u53bb\u8bbf\u95ee\u3001Servlet\u751f\u547d\u5468\u671f\u65b9\u6cd5\u3001\u901a\u8fc7\u7ee7\u627fHttpServlet\u7c7b\u5b9e\u73b0Servlet\u7a0b\u5e8f\u3001IDEA\u83dc\u5355\u751f\u6210Servlet\u7a0b\u5e8f\u3001\u6574\u4e2aServlet\u7c7b\u7684\u7ee7\u627f\u4f53\u7cfb\u3001ServletConfig\u7c7b\u4f7f\u7528\u4ecb\u7ecd\u3001ServletConfig\u7c7b\u7684\u8865\u5145\u8bf4\u660e"},"content":{"rendered":"\n

06-Servlet<\/h1>\n\n\n\n

1.Servlet \u6280\u672f<\/h2>\n\n\n\n
a)\u4ec0\u4e48\u662f Servlet\n1\u3001Servlet \u662f JavaEE \u89c4\u8303\u4e4b\u4e00\u3002\u89c4\u8303\u5c31\u662f\u63a5\u53e3\n2\u3001Servlet \u5c31 JavaWeb \u4e09\u5927\u7ec4\u4ef6\u4e4b\u4e00\u3002\u4e09\u5927\u7ec4\u4ef6\u5206\u522b\u662f\uff1aServlet \u7a0b\u5e8f\u3001Filter \u8fc7\u6ee4\u5668\u3001Listener \u76d1\u542c\u5668\u3002\n3\u3001Servlet \u662f\u8fd0\u884c\u5728\u670d\u52a1\u5668\u4e0a\u7684\u4e00\u4e2a java \u5c0f\u7a0b\u5e8f\uff0c\u5b83\u53ef\u4ee5\u63a5\u6536\u5ba2\u6237\u7aef\u53d1\u9001\u8fc7\u6765\u7684\u8bf7\u6c42\uff0c\u5e76\u54cd\u5e94\u6570\u636e\u7ed9\u5ba2\u6237\u7aef\u3002<\/code><\/pre>\n\n\n\n
b)\u624b\u52a8\u5b9e\u73b0 Servlet \u7a0b\u5e8f\n1\u3001\u7f16\u5199\u4e00\u4e2a\u7c7b\u53bb\u5b9e\u73b0 Servlet \u63a5\u53e3\n2\u3001\u5b9e\u73b0 service \u65b9\u6cd5\uff0c\u5904\u7406\u8bf7\u6c42\uff0c\u5e76\u54cd\u5e94\u6570\u636e\n3\u3001\u5230 web.xml \u4e2d\u53bb\u914d\u7f6e servlet \u7a0b\u5e8f\u7684\u8bbf\u95ee\u5730\u5740<\/code><\/pre>\n\n\n\n
\u5e38\u89c1\u7684\u9519\u8bef 1\uff1aurl-pattern \u4e2d\u914d\u7f6e\u7684\u8def\u5f84\u6ca1\u6709\u4ee5\u659c\u6760\u6253\u5934\u3002<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5e38\u89c1\u9519\u8bef 2\uff1aservlet-name \u914d\u7f6e\u7684\u503c\u4e0d\u5b58\u5728\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u5e38\u89c1\u9519\u8bef 3\uff1aservlet-class \u6807\u7b7e\u7684\u5168\u7c7b\u540d\u914d\u7f6e\u9519\u8bef\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
c)url \u5730\u5740\u5230 Servlet \u7a0b\u5e8f\u7684\u8bbf\u95ee<\/code><\/pre>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
d)Servlet \u7684\u751f\u547d\u5468\u671f\n\n1\u3001\u6267\u884c Servlet \u6784\u9020\u5668\u65b9\u6cd5\n2\u3001\u6267\u884c init \u521d\u59cb\u5316\u65b9\u6cd5\n\u7b2c\u4e00\u3001\u4e8c\u6b65\uff0c\u662f\u5728\u7b2c\u4e00\u6b21\u8bbf\u95ee\uff0c\u7684\u65f6\u5019\u521b\u5efa Servlet \u7a0b\u5e8f\u4f1a\u8c03\u7528\u3002\n\n3\u3001\u6267\u884c service \u65b9\u6cd5\n\u7b2c\u4e09\u6b65\uff0c\u6bcf\u6b21\u8bbf\u95ee\u90fd\u4f1a\u8c03\u7528\u3002\n\n4\u3001\u6267\u884c destroy \u9500\u6bc1\u65b9\u6cd5\n\u7b2c\u56db\u6b65\uff0c\u5728 web \u5de5\u7a0b\u505c\u6b62\u7684\u65f6\u5019\u8c03\u7528\u3002<\/code><\/pre>\n\n\n\n
f) \u901a\u8fc7\u7ee7\u627f HttpServlet \u5b9e\u73b0 Servlet \u7a0b\u5e8f\n\n\u4e00\u822c\u5728\u5b9e\u9645\u9879\u76ee\u5f00\u53d1\u4e2d\uff0c\u90fd\u662f\u4f7f\u7528\u7ee7\u627f HttpServlet \u7c7b\u7684\u65b9\u5f0f\u53bb\u5b9e\u73b0 Servlet \u7a0b\u5e8f\u3002\n1\u3001\u7f16\u5199\u4e00\u4e2a\u7c7b\u53bb\u7ee7\u627f HttpServlet \u7c7b\n2\u3001\u6839\u636e\u4e1a\u52a1\u9700\u8981\u91cd\u5199 doGet \u6216 doPost \u65b9\u6cd5\n3\u3001\u5230 web.xml \u4e2d\u7684\u914d\u7f6e Servlet \u7a0b\u5e8f\u7684\u8bbf\u95ee\u5730\u5740<\/code><\/pre>\n\n\n\n
g)\u4f7f\u7528 IDEA \u521b\u5efa Servlet \u7a0b\u5e8f<\/code><\/pre>\n\n\n\n
\u83dc\u5355\uff1anew ->Servlet \u7a0b\u5e8f<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u914d\u7f6e Servlet \u7684\u4fe1\u606f\uff1a<\/p>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
h)Servlet \u7c7b\u7684\u7ee7\u627f\u4f53\u7cfb<\/code><\/pre>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
2.ServletConfig \u7c7b<\/h2>\n\n\n\n
ServletConfig \u7c7b\u4ece\u7c7b\u540d\u4e0a\u6765\u770b\uff0c\u5c31\u77e5\u9053\u662f Servlet \u7a0b\u5e8f\u7684\u914d\u7f6e\u4fe1\u606f\u7c7b\u3002\n\nServlet \u7a0b\u5e8f\u548c ServletConfig \u5bf9\u8c61\u90fd\u662f\u7531 Tomcat \u8d1f\u8d23\u521b\u5efa\uff0c\u6211\u4eec\u8d1f\u8d23\u4f7f\u7528\u3002\nServlet \u7a0b\u5e8f\u9ed8\u8ba4\u662f\u7b2c\u4e00\u6b21\u8bbf\u95ee\u7684\u65f6\u5019\u521b\u5efa\uff0cServletConfig \u662f\u6bcf\u4e2a Servlet \u7a0b\u5e8f\u521b\u5efa\u65f6\uff0c\u5c31\u521b\u5efa\u4e00\u4e2a\u5bf9\u5e94\u7684 ServletConfig \u5bf9\u8c61\u3002<\/code><\/pre>\n\n\n\n
a)ServletConfig \u7c7b\u7684\u4e09\u5927\u4f5c\u7528\n\n1\u3001\u53ef\u4ee5\u83b7\u53d6 Servlet \u7a0b\u5e8f\u7684\u522b\u540d servlet-name \u7684\u503c\n2\u3001\u83b7\u53d6\u521d\u59cb\u5316\u53c2\u6570 init-param\n3\u3001\u83b7\u53d6 ServletContext \u5bf9\u8c61<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
06-Servlet 1.Servlet \u6280\u672f \u5e38\u89c1\u7684\u9519\u8bef 1\uff1aurl-pattern \u4e2d\u914d\u7f6e\u7684\u8def\u5f84\u6ca1\u6709\u4ee5\u659c\u6760 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[61],"class_list":["post-2123","post","type-post","status-publish","format-standard","hentry","category-javaweb-code","tag-javaweb"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/2123"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2123"}],"version-history":[{"count":3,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/2123\/revisions"}],"predecessor-version":[{"id":2697,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/2123\/revisions\/2697"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}