{"id":865,"date":"2023-10-26T03:59:27","date_gmt":"2023-03-08T10:35:57","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/java%e7%bd%91%e7%bb%9c%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%88%9d%e5%ad%a6%e8%80%85%e6%95%99%e7%a8%8b\/"},"modified":"2025-08-03T13:47:12","modified_gmt":"2025-08-03T05:47:12","slug":"java%e7%bd%91%e7%bb%9c%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%88%9d%e5%ad%a6%e8%80%85%e6%95%99%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%bd%91%e7%bb%9c%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%88%9d%e5%ad%a6%e8%80%85%e6%95%99%e7%a8%8b\/","title":{"rendered":"2023\u5e74\u96f6\u57fa\u7840Java\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u5b8c\u6574\u6559\u7a0b\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a"},"content":{"rendered":"

Java Web\u5e94\u7528\u7a0b\u5e8f\u7528\u4e8e\u521b\u5efa\u52a8\u6001\u7f51\u7ad9\u3002Java\u901a\u8fc7Servlet\u548cJSP\u63d0\u4f9b\u5bf9Web\u5e94\u7528\u7a0b\u5e8f\u7684\u652f\u6301\u3002\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u9759\u6001HTML\u9875\u9762\u7684\u7f51\u7ad9\uff0c\u4f46\u5f53\u6211\u4eec\u5e0c\u671b\u4fe1\u606f\u5177\u6709\u52a8\u6001\u6027\u65f6\uff0c\u6211\u4eec\u9700\u8981Web\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

Java Web\u5e94\u7528\u7a0b\u5e8f<\/h2>\n

\u672c\u6587\u7684\u76ee\u7684\u662f\u63d0\u4f9b\u5173\u4e8eWeb\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4e0d\u540c\u7ec4\u4ef6\u7684\u57fa\u672c\u7ec6\u8282\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528Servlet\u548cJSP\u6765\u521b\u5efa\u6211\u4eec\u7684\u7b2c\u4e00\u4e2aJava Web\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

    \n
  1. \u7f51\u9875\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef<\/li>\n
  2. HTML\u548cHTTP<\/li>\n
  3. \u7406\u89e3URL<\/li>\n
  4. \u4e3a\u4ec0\u4e48\u9700\u8981Servlet\u548cJSP\uff1f<\/li>\n
  5. \u4f7f\u7528Servlet\u548cJSP\u7684\u7b2c\u4e00\u4e2a\u7f51\u9875\u5e94\u7528\u7a0b\u5e8f<\/li>\n
  6. \u7f51\u7edc\u5bb9\u5668<\/li>\n
  7. \u7f51\u9875\u5e94\u7528\u7a0b\u5e8f\u76ee\u5f55\u7ed3\u6784<\/li>\n
  8. \u90e8\u7f72\u63cf\u8ff0\u7b26<\/li>\n<\/ol>\n

    \u7f51\u9875\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef<\/h3>\n

    Web\u670d\u52a1\u5668\u662f\u4e00\u79cd\u80fd\u591f\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u5e76\u5c06\u54cd\u5e94\u53d1\u9001\u56de\u5ba2\u6237\u7aef\u7684\u8f6f\u4ef6\u3002\u4f8b\u5982\uff0cApache\u662f\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684Web\u670d\u52a1\u5668\u4e4b\u4e00\u3002Web\u670d\u52a1\u5668\u8fd0\u884c\u5728\u67d0\u4e2a\u7269\u7406\u673a\u5668\u4e0a\uff0c\u5e76\u5728\u7279\u5b9a\u7aef\u53e3\u4e0a\u76d1\u542c\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002Web\u5ba2\u6237\u7aef\u662f\u4e00\u79cd\u5e2e\u52a9\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u901a\u4fe1\u7684\u8f6f\u4ef6\u3002\u4e00\u4e9b\u6700\u5e38\u7528\u7684Web\u5ba2\u6237\u7aef\u5305\u62ecFirefox\u3001Google Chrome\u3001Safari\u7b49\u3002\u5f53\u6211\u4eec\u901a\u8fc7URL\u5411\u670d\u52a1\u5668\u8bf7\u6c42\u67d0\u4e9b\u5185\u5bb9\u65f6\uff0cWeb\u5ba2\u6237\u7aef\u8d1f\u8d23\u521b\u5efa\u8bf7\u6c42\u5e76\u5c06\u5176\u53d1\u9001\u5230\u670d\u52a1\u5668\uff0c\u7136\u540e\u89e3\u6790\u670d\u52a1\u5668\u54cd\u5e94\u5e76\u5c55\u793a\u7ed9\u7528\u6237\u3002<\/p>\n

    HTML\u548cHTTP<\/h3>\n

    Web\u670d\u52a1\u5668\u548cWeb\u5ba2\u6237\u7aef\u662f\u4e24\u4e2a\u72ec\u7acb\u7684\u8f6f\u4ef6\uff0c\u6240\u4ee5\u5b83\u4eec\u9700\u8981\u4e00\u79cd\u5171\u540c\u7684\u6c9f\u901a\u8bed\u8a00\u3002HTML\u662f\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u5171\u540c\u8bed\u8a00\uff0c\u4ee3\u8868\u8d85\u6587\u672c\u6807\u8bb0\u8bed\u8a00\u3002Web\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u9700\u8981\u4e00\u79cd\u5171\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0cHTTP\uff08\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae\uff09\u662f\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u901a\u4fe1\u534f\u8bae\u3002HTTP\u8fd0\u884c\u5728TCP\/IP\u901a\u4fe1\u534f\u8bae\u4e4b\u4e0a\u3002HTTP\u8bf7\u6c42\u7684\u4e00\u4e9b\u91cd\u8981\u90e8\u5206\u5305\u62ec\uff1a<\/p>\n

      \n
    • HTTP\u65b9\u6cd5 – \u8981\u6267\u884c\u7684\u64cd\u4f5c\uff0c\u901a\u5e38\u662fGET\u3001POST\u3001PUT\u7b49<\/li>\n
    • URL – \u8981\u8bbf\u95ee\u7684\u9875\u9762<\/li>\n
    • \u8868\u5355\u53c2\u6570 – \u7c7b\u4f3c\u4e8eJava\u65b9\u6cd5\u4e2d\u7684\u53c2\u6570\uff0c\u4f8b\u5982\u6765\u81ea\u767b\u5f55\u9875\u9762\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u8be6\u7ec6\u4fe1\u606f<\/li>\n<\/ul>\n

      \u793a\u4f8bHTTP\u8bf7\u6c42\uff1a<\/p>\n

      GET \/FirstServletProject\/jsps\/hello.jsp HTTP\/1.1\r\nHost: localhost:8080\r\nCache-Control: no-cache\r\n<\/code><\/pre>\n
      \u4ee5\u4e0b\u662fHTTP\u54cd\u5e94\u4e2d\u4e00\u4e9b\u91cd\u8981\u90e8\u5206\uff1a<\/p>\n
        \n
      • \u72b6\u6001\u7801 – \u4e00\u4e2a\u6574\u6570\uff0c\u7528\u4e8e\u6307\u793a\u8bf7\u6c42\u662f\u5426\u6210\u529f\u3002\u4e00\u4e9b\u77e5\u540d\u7684\u72b6\u6001\u7801\u6709\uff1a200\u8868\u793a\u6210\u529f\uff0c404\u8868\u793a\u672a\u627e\u5230\uff0c403\u8868\u793a\u7981\u6b62\u8bbf\u95ee<\/li>\n
      • \u5185\u5bb9\u7c7b\u578b – \u6587\u672c\u3001HTML\u3001\u56fe\u50cf\u3001PDF\u7b49\u3002\u4e5f\u79f0\u4e3aMIME\u7c7b\u578b<\/li>\n
      • \u5185\u5bb9 – \u7531\u5ba2\u6237\u7aef\u6e32\u67d3\u5e76\u663e\u793a\u7ed9\u7528\u6237\u7684\u5b9e\u9645\u6570\u636e<\/li>\n<\/ul>\n
        \u793a\u4f8bHTTP\u54cd\u5e94\uff1a<\/p>\n
        200 OK\r\nDate: Wed, 07 Aug 2013 19:55:50 GMT\r\nServer: Apache-Coyote\/1.1\r\nContent-Length: 309\r\nContent-Type: text\/html;charset=US-ASCII\r\n\r\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\" \"https:\/\/www.w3.org\/TR\/html4\/loose.dtd\">\r\n<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=US-ASCII\">\r\n<title>Hello<\/title>\r\n<\/head>\r\n<body>\r\n<h2>Hi There!<\/h2>\r\n<br>\r\n<h3>Date=Wed Aug 07 12:57:55 PDT 2013\r\n<\/h3>\r\n<\/body>\r\n<\/html>\r\n<\/code><\/pre>\n
        \u5982\u679c\u60a8\u67e5\u770b\u4e0a\u9762\u7684\u793a\u4f8bHTTP\u54cd\u5e94\u5934\uff0c\u53ef\u4ee5\u770b\u5230\u5b83\u5305\u542b\u4e86”Content-Type”\u6807\u7b7e\u3002\u5b83\u4e5f\u88ab\u79f0\u4e3aMIME\u7c7b\u578b\uff0c\u670d\u52a1\u5668\u53d1\u9001\u5b83\u7ed9\u5ba2\u6237\u7aef\uff0c\u4ee5\u8ba9\u5176\u77e5\u9053\u53d1\u9001\u7684\u6570\u636e\u7c7b\u578b\u3002\u5b83\u5e2e\u52a9\u5ba2\u6237\u7aef\u4e3a\u7528\u6237\u5448\u73b0\u6570\u636e\u3002\u4e00\u4e9b\u6700\u5e38\u7528\u7684MIME\u7c7b\u578b\u5305\u62ectext\/html\u3001text\/xml\u3001application\/xml\u7b49\u3002<\/p>\n
        \u7406\u89e3URL<\/h3>\n
        URL\u662f\u7edf\u4e00\u8d44\u6e90\u5b9a\u4f4d\u7b26\u7684\u7f29\u5199\uff0c\u7528\u4e8e\u5b9a\u4f4d\u670d\u52a1\u5668\u548c\u8d44\u6e90\u3002\u7f51\u4e0a\u7684\u6bcf\u4e2a\u8d44\u6e90\u90fd\u6709\u5176\u72ec\u7279\u7684\u5730\u5740\u3002\u8ba9\u6211\u4eec\u4ee5\u4e00\u4e2a\u4f8b\u5b50\u6765\u770bURL\u7684\u51e0\u4e2a\u90e8\u5206\u3002https:\/\/localhost:8080\/FirstServletProject\/jsps\/hello.jsp<\/p>\n
          \n
        • https:\/\/<\/strong> – \u8fd9\u662fURL\u7684\u7b2c\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u901a\u4fe1\u8981\u4f7f\u7528\u7684\u901a\u4fe1\u534f\u8bae\u3002<\/li>\n
        • localhost<\/strong> – \u670d\u52a1\u5668\u7684\u552f\u4e00\u5730\u5740\uff0c\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u662f\u6620\u5c04\u5230\u552f\u4e00IP\u5730\u5740\u7684\u4e3b\u673a\u540d\u3002\u6709\u65f6\u591a\u4e2a\u4e3b\u673a\u540d\u6307\u5411\u76f8\u540c\u7684IP\u5730\u5740\uff0cWeb\u670d\u52a1\u5668\u865a\u62df\u4e3b\u673a\u4f1a\u8d1f\u8d23\u5c06\u8bf7\u6c42\u53d1\u9001\u5230\u7279\u5b9a\u7684\u670d\u52a1\u5668\u5b9e\u4f8b\u3002<\/li>\n
        • 8080<\/strong> – \u8fd9\u662f\u670d\u52a1\u5668\u4fa6\u542c\u7684\u7aef\u53e3\uff0c\u5b83\u662f\u53ef\u9009\u7684\uff0c\u5982\u679c\u5728URL\u4e2d\u4e0d\u63d0\u4f9b\u5b83\uff0c\u5219\u8bf7\u6c42\u4f1a\u53d1\u9001\u5230\u534f\u8bae\u7684\u9ed8\u8ba4\u7aef\u53e3\u3002\u7aef\u53e3\u53f70\u52301023\u662f\u4e3a\u77e5\u540d\u670d\u52a1\u4fdd\u7559\u7684\u7aef\u53e3\uff0c\u4f8b\u5982HTTP\u768480\u7aef\u53e3\uff0cHTTPS\u7684443\u7aef\u53e3\uff0cFTP\u768421\u7aef\u53e3\u7b49\u3002<\/li>\n
        • FirstServletProject\/jsps\/hello.jsp<\/strong> – \u4ece\u670d\u52a1\u5668\u8bf7\u6c42\u7684\u8d44\u6e90\u3002\u5b83\u53ef\u4ee5\u662f\u9759\u6001HTML\u3001PDF\u3001JSP\u3001Servlet\u3001PHP\u7b49\u3002<\/li>\n<\/ul>\n
          \u4e3a\u4ec0\u4e48\u6211\u4eec\u9700\u8981Servlet\u548cJSP\uff1f<\/h3>\n
          \u7f51\u7edc\u670d\u52a1\u5668\u9002\u7528\u4e8e\u9759\u6001\u5185\u5bb9\u7684HTML\u9875\u9762\uff0c\u4f46\u5b83\u4eec\u4e0d\u77e5\u9053\u5982\u4f55\u751f\u6210\u52a8\u6001\u5185\u5bb9\u6216\u5c06\u6570\u636e\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u53e6\u4e00\u79cd\u5de5\u5177\u6765\u751f\u6210\u52a8\u6001\u5185\u5bb9\u3002\u6709\u51e0\u79cd\u7f16\u7a0b\u8bed\u8a00\u7528\u4e8e\u751f\u6210\u52a8\u6001\u5185\u5bb9\uff0c\u4f8b\u5982PHP\u3001Python\u3001Ruby on Rails\u3001Java Servlet\u548cJSP\u3002Java Servlet\u548cJSP\u662f\u670d\u52a1\u5668\u7aef\u6280\u672f\uff0c\u901a\u8fc7\u63d0\u4f9b\u5bf9\u52a8\u6001\u54cd\u5e94\u548c\u6570\u636e\u6301\u4e45\u5316\u7684\u652f\u6301\u6765\u6269\u5c55\u7f51\u7edc\u670d\u52a1\u5668\u7684\u529f\u80fd\u3002<\/p>\n
          Java \u7f51\u9875\u5f00\u53d1<\/h2>\n
          \u7b2c\u4e00\u4e2a\u4f7f\u7528Servlet\u548cJSP\u7684\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f<\/h3>\n
          \u8fd9\u662f\u6587\u7ae0\u300aJava\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u521d\u5b66\u8005\u6559\u7a0b\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51713\u90e8\u5206\uff09\u3002<\/p>\n
          \u6211\u4eec\u5c06\u4f7f\u7528”Eclipse IDE for Java EE Developers”\u6765\u521b\u5efa\u6211\u4eec\u7684\u7b2c\u4e00\u4e2aservlet\u5e94\u7528\u7a0b\u5e8f\u3002\u7531\u4e8eservlet\u662f\u4e00\u79cd\u670d\u52a1\u5668\u7aef\u6280\u672f\uff0c\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u652f\u6301Servlet\u6280\u672f\u7684Web\u5bb9\u5668\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u4f7f\u7528Apache Tomcat\u670d\u52a1\u5668\u3002\u5b83\u975e\u5e38\u5bb9\u6613\u8bbe\u7f6e\uff0c\u6211\u5c06\u7559\u7ed9\u4f60\u81ea\u5df1\u6765\u505a\u8fd9\u90e8\u5206\u3002\u4e3a\u4e86\u65b9\u4fbf\u5f00\u53d1\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Eclipse\u4e2d\u914d\u7f6eTomcat\uff0c\u8fd9\u6709\u52a9\u4e8e\u65b9\u4fbf\u90e8\u7f72\u548c\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u3002\u8fdb\u5165Eclipse\u9996\u9009\u9879\uff0c\u9009\u62e9\u670d\u52a1\u5668\u8fd0\u884c\u73af\u5883\uff0c\u7136\u540e\u9009\u62e9\u60a8\u7684Tomcat\u670d\u52a1\u5668\u7248\u672c\uff0c\u6211\u7684\u662fTomcat 7\u3002\u63d0\u4f9bApache Tomcat\u76ee\u5f55\u4f4d\u7f6e\u548cJRE\u4fe1\u606f\u4ee5\u6dfb\u52a0\u8fd0\u884c\u65f6\u73af\u5883\u3002\u73b0\u5728\u8fdb\u5165Servers\u89c6\u56fe\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u670d\u52a1\u5668\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u6307\u5411\u4e0a\u9762\u6dfb\u52a0\u7684\u8fd0\u884c\u65f6\u73af\u5883\u3002\u6ce8\u610f\uff1a\u5982\u679cServers\u9009\u9879\u5361\u4e0d\u53ef\u89c1\uff0c\u60a8\u53ef\u4ee5\u9009\u62e9Window > Show View > Servers\uff0c\u4ee5\u4fbf\u5728Eclipse\u7a97\u53e3\u4e2d\u53ef\u89c1\u3002\u5c1d\u8bd5\u505c\u6b62\u548c\u542f\u52a8\u670d\u52a1\u5668\uff0c\u4ee5\u786e\u4fdd\u5b83\u6b63\u5e38\u5de5\u4f5c\u3002\u5982\u679c\u60a8\u5df2\u7ecf\u4ece\u7ec8\u7aef\u542f\u52a8\u4e86\u670d\u52a1\u5668\uff0c\u5219\u5fc5\u987b\u5148\u4ece\u7ec8\u7aef\u505c\u6b62\u5b83\uff0c\u7136\u540e\u518d\u4eceEclipse\u542f\u52a8\u5b83\uff0c\u5426\u5219\u5b83\u4e0d\u4f1a\u5b8c\u7f8e\u5de5\u4f5c\u3002\u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u51c6\u5907\u597d\u4e86\u8bbe\u7f6e\u73af\u5883\uff0c\u4ee5\u521b\u5efa\u7b2c\u4e00\u4e2aservlet\u5e76\u5728Tomcat\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u5b83\u3002\u9009\u62e9File > New > Dynamic Web Project\uff0c\u5e76\u4f7f\u7528\u4e0b\u56fe\u6765\u63d0\u4f9b\u8fd0\u884c\u65f6\u73af\u5883\uff0c\u5373\u6211\u4eec\u5728\u4e0a\u4e00\u6b65\u4e2d\u6dfb\u52a0\u7684\u670d\u52a1\u5668\uff0c\u4ee5\u53ca\u6a21\u5757\u7248\u672c\u4e3a3.0\uff0c\u4ee5\u4f7f\u7528Servlet 3.0\u89c4\u8303\u521b\u5efa\u6211\u4eec\u7684servlet\u3002\u60a8\u53ef\u4ee5\u76f4\u63a5\u70b9\u51fb\u5b8c\u6210\u6309\u94ae\u6765\u521b\u5efa\u9879\u76ee\uff0c\u6216\u8005\u60a8\u53ef\u4ee5\u901a\u8fc7\u4e0b\u4e00\u6b65\u6309\u94ae\u6765\u68c0\u67e5\u5176\u4ed6\u9009\u9879\u3002\u73b0\u5728\u9009\u62e9File > New > Servlet\uff0c\u5e76\u4f7f\u7528\u4e0b\u56fe\u521b\u5efa\u6211\u4eec\u7684\u7b2c\u4e00\u4e2aservlet\u3002\u540c\u6837\uff0c\u6211\u4eec\u53ef\u4ee5\u70b9\u51fb\u5b8c\u6210\uff0c\u6216\u8005\u901a\u8fc7\u4e0b\u4e00\u6b65\u6309\u94ae\u6765\u68c0\u67e5\u5176\u4ed6\u9009\u9879\u3002\u5f53\u6211\u4eec\u70b9\u51fb\u5b8c\u6210\u6309\u94ae\u65f6\uff0c\u5b83\u4f1a\u751f\u6210\u6211\u4eec\u7684servlet\u6846\u67b6\u4ee3\u7801\uff0c\u56e0\u6b64\u6211\u4eec\u4e0d\u9700\u8981\u5728servlet\u4e2d\u952e\u5165\u6240\u6709\u4e0d\u540c\u7684\u65b9\u6cd5\u548c\u5bfc\u5165\u5185\u5bb9\uff0c\u4ece\u800c\u8282\u7701\u65f6\u95f4\u3002\u73b0\u5728\u6211\u4eec\u5c06\u5728doGet()\u65b9\u6cd5\u4e2d\u6dfb\u52a0\u4e00\u4e9b\u5305\u542b\u52a8\u6001\u6570\u636e\u7684HTML\u4ee3\u7801\uff0c\u8be5\u65b9\u6cd5\u5c06\u7528\u4e8e\u5904\u7406HTTP GET\u8bf7\u6c42\u3002\u6211\u4eec\u7684\u7b2c\u4e00\u4e2aservlet\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
          package com.Olivia.first;\r\n\r\nimport java.io.IOException;\r\nimport java.io.PrintWriter;\r\nimport java.util.Date;\r\n\r\nimport javax.servlet.ServletException;\r\nimport javax.servlet.annotation.WebInitParam;\r\nimport javax.servlet.annotation.WebServlet;\r\nimport javax.servlet.http.HttpServlet;\r\nimport javax.servlet.http.HttpServletRequest;\r\nimport javax.servlet.http.HttpServletResponse;\r\n\r\n\/**\r\n * Servlet\u5b9e\u73b0\u7c7bFirstServlet\r\n *\/\r\n@WebServlet(description = \"\u6211\u7684\u7b2c\u4e00\u4e2aServlet\", urlPatterns = { \"\/FirstServlet\" , \"\/FirstServlet.do\"}, initParams = {@WebInitParam(name=\"id\",value=\"1\"),@WebInitParam(name=\"name\",value=\"scdev\")})\r\npublic class FirstServlet extends HttpServlet {\r\n\tprivate static final long serialVersionUID = 1L;\r\n\tpublic static final String HTML_START=\"<html><body>\";\r\n\tpublic static final String HTML_END=\"<\/body><\/html>\";\r\n       \r\n    \/**\r\n     * @see HttpServlet#HttpServlet()\r\n     *\/\r\n    public FirstServlet() {\r\n        super();\r\n        \/\/ TODO \u81ea\u52a8\u751f\u6210\u7684\u6784\u9020\u51fd\u6570\u5b58\u6839\r\n    }\r\n\r\n\t\/**\r\n\t * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)\r\n\t *\/\r\n\tprotected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {\r\n\t\tPrintWriter out = response.getWriter();\r\n\t\tDate date = new Date();\r\n\t\tout.println(HTML_START + \"<h2>\u4f60\u597d\uff01<\/h2><br\/><h3>\u65e5\u671f=\"+date +\"<\/h3>\"+HTML_END);\r\n\t}\r\n\r\n\t\/**\r\n\t * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)\r\n\t *\/\r\n\tprotected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {\r\n\t\t\/\/ TODO \u81ea\u52a8\u751f\u6210\u7684\u65b9\u6cd5\u5b58\u6839\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
          \u5728Servlet 3\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5728\u7f51\u9875\u5e94\u7528\u90e8\u7f72\u63cf\u8ff0\u7b26\u4e2d\u63d0\u4f9bURL\u6a21\u5f0f\u4fe1\u606f\uff0c\u4f46Servlet 3.0\u4f7f\u7528\u4e86\u6613\u4e8e\u7406\u89e3\u4e14\u9519\u8bef\u51e0\u7387\u8f83\u4f4e\u7684Java\u6ce8\u89e3\u3002\u73b0\u5728\u4eceServlet\u7f16\u8f91\u5668\u7a97\u53e3\u4e2d\u9009\u62e9”\u8fd0\u884c” > “\u8fd0\u884c\u4e8e\u670d\u52a1\u5668”\u9009\u9879\uff0c\u5e76\u4f7f\u7528\u4e0b\u9762\u7684\u56fe\u50cf\u8fdb\u884c\u8bbe\u7f6e\u3002\u70b9\u51fb\u5b8c\u6210\u540e\uff0c\u6d4f\u89c8\u5668\u5c06\u5728Eclipse\u4e2d\u6253\u5f00\uff0c\u5e76\u4e14\u6211\u4eec\u4f1a\u5f97\u5230\u4ee5\u4e0b\u7684HTML\u9875\u9762\u3002\u60a8\u53ef\u4ee5\u8fdb\u884c\u5237\u65b0\u4ee5\u68c0\u67e5\u65e5\u671f\u662f\u5426\u662f\u52a8\u6001\u7684\u5e76\u4e14\u4e0d\u65ad\u53d8\u5316\uff0c\u60a8\u4e5f\u53ef\u4ee5\u5728Eclipse\u4e4b\u5916\u7684\u5176\u4ed6\u6d4f\u89c8\u5668\u4e2d\u6253\u5f00\u5b83\u3002\u56e0\u6b64\uff0cServlet\u7528\u4e8e\u751f\u6210HTML\u5e76\u5c06\u5176\u4f5c\u4e3a\u54cd\u5e94\u53d1\u9001\u3002\u5982\u679c\u60a8\u67e5\u770bdoGet()\u65b9\u6cd5\u7684\u5b9e\u73b0\uff0c\u5b9e\u9645\u4e0a\u662f\u5728\u521b\u5efa\u4e00\u4e2aHTML\u6587\u6863\u5e76\u5c06\u5176\u5199\u5165\u54cd\u5e94\u7684PrintWriter\u5bf9\u8c61\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u7684\u5730\u65b9\u6dfb\u52a0\u52a8\u6001\u4fe1\u606f\u3002\u8fd9\u5bf9\u4e8e\u521a\u5f00\u59cb\u6765\u8bf4\u662f\u4e0d\u9519\u7684\uff0c\u4f46\u5982\u679c\u54cd\u5e94\u5177\u6709\u5927\u91cf\u7684\u52a8\u6001\u6570\u636e\uff0c\u8fd9\u6837\u5bb9\u6613\u51fa\u9519\u4e14\u96be\u4ee5\u9605\u8bfb\u548c\u7ef4\u62a4\u3002\u8fd9\u662f\u5f15\u5165JSP\u7684\u4e3b\u8981\u539f\u56e0\u3002JSP\u4e5f\u662f\u670d\u52a1\u5668\u7aef\u6280\u672f\uff0c\u5b83\u7c7b\u4f3c\u4e8eHTML\uff0c\u5177\u6709\u989d\u5916\u7684\u529f\u80fd\u6765\u6dfb\u52a0\u52a8\u6001\u5185\u5bb9\u3002JSP\u5bf9\u4e8e\u5448\u73b0\u6765\u8bf4\u5f88\u597d\uff0c\u56e0\u4e3a\u5b83\u6613\u4e8e\u7f16\u5199\uff0c\u5c31\u50cfHTML\u4e00\u6837\u3002\u8fd9\u662f\u6211\u4eec\u7684\u7b2c\u4e00\u4e2aJSP\u7a0b\u5e8f\uff0c\u4e0e\u4e0a\u8ff0\u7684Servlet\u6267\u884c\u76f8\u540c\u7684\u529f\u80fd\u3002<\/p>\n
          <%@page import=\"java.util.Date\"%>\r\n<%@ page language=\"java\" contentType=\"text\/html; charset=US-ASCII\"\r\n    pageEncoding=\"US-ASCII\"%>\r\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\" \"https:\/\/www.w3.org\/TR\/html4\/loose.dtd\">\r\n<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=US-ASCII\">\r\n<title>\u4f60\u597d<\/title>\r\n<\/head>\r\n<body>\r\n<h2>\u4f60\u597d\uff01<\/h2>\r\n<br>\r\n<h3>\u65e5\u671f=<%= new Date() %>\r\n<\/h3>\r\n<\/body>\r\n<\/html>\r\n<\/code><\/pre>\n
          \u5982\u679c\u6211\u4eec\u8fd0\u884c\u4ee5\u4e0a\u7684JSP\uff0c\u6211\u4eec\u4f1a\u5f97\u5230\u5982\u4e0b\u56fe\u50cf\u6240\u793a\u7684\u8f93\u51fa\u7ed3\u679c\u3002\u5728Eclipse\u4e2d\uff0c\u6700\u7ec8\u7684\u9879\u76ee\u5c42\u6b21\u7ed3\u6784\u770b\u8d77\u6765\u50cf\u4e0b\u56fe\u4e00\u6837\u3002<\/p>\n
          \u4e0b\u8f7dFirstServlet\u9879\u76ee<\/h3>\n
          \u4e0b\u8f7dServlet Hello World\u793a\u4f8b\u9879\u76ee<\/p>\n
          \u5728\u672a\u6765\u7684\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u66f4\u8be6\u7ec6\u5730\u4ecb\u7ecdServlet\u548cJSP\uff0c\u4f46\u5728\u7ed3\u675f\u672c\u7bc7\u6559\u7a0b\u4e4b\u524d\uff0c\u6211\u4eec\u5e94\u8be5\u5bf9Java Web\u5e94\u7528\u7684\u4e00\u4e9b\u65b9\u9762\u6709\u5f88\u597d\u7684\u7406\u89e3\u3002<\/p>\n
          Web\u5bb9\u5668<\/h3>\n
          Tomcat\u662f\u4e00\u4e2aWeb\u5bb9\u5668\uff0c\u5f53\u5ba2\u6237\u7aef\u5411Web\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u65f6\uff0cWeb\u670d\u52a1\u5668\u4f1a\u5c06\u8bf7\u6c42\u4f20\u9012\u7ed9Web\u5bb9\u5668\uff0cWeb\u5bb9\u5668\u8d1f\u8d23\u627e\u5230\u6b63\u786e\u7684\u8d44\u6e90\uff08servlet\u6216JSP\uff09\u6765\u5904\u7406\u8bf7\u6c42\uff0c\u7136\u540e\u4f7f\u7528\u8d44\u6e90\u751f\u6210\u7684\u54cd\u5e94\u63d0\u4f9b\u7ed9Web\u670d\u52a1\u5668\u3002\u63a5\u7740\uff0cWeb\u670d\u52a1\u5668\u5c06\u54cd\u5e94\u53d1\u9001\u56de\u5ba2\u6237\u7aef\u3002\u5f53Web\u5bb9\u5668\u63a5\u6536\u5230\u9488\u5bf9servlet\u7684\u8bf7\u6c42\u65f6\uff0c\u5bb9\u5668\u4f1a\u521b\u5efa\u4e24\u4e2a\u5bf9\u8c61\uff1aHTTPServletRequest\u548cHTTPServletResponse\u3002\u7136\u540e\uff0c\u5b83\u57fa\u4e8eURL\u627e\u5230\u6b63\u786e\u7684servlet\uff0c\u5e76\u4e3a\u8be5\u8bf7\u6c42\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u3002\u968f\u540e\uff0c\u5bb9\u5668\u8c03\u7528servlet\u7684service()\u65b9\u6cd5\uff0c\u5e76\u6839\u636eHTTP\u8bf7\u6c42\u65b9\u6cd5\uff08GET\u6216POST\uff09\u8c03\u7528\u76f8\u5e94\u7684doGet()\u6216doPost()\u65b9\u6cd5\u3002Servlet\u65b9\u6cd5\u751f\u6210\u52a8\u6001\u9875\u9762\u5185\u5bb9\uff0c\u5e76\u5c06\u5176\u5199\u5165\u54cd\u5e94\u4e2d\u3002\u4e00\u65e6servlet\u7ebf\u7a0b\u5b8c\u6210\u5904\u7406\uff0c\u5bb9\u5668\u5c06\u54cd\u5e94\u8f6c\u6362\u4e3aHTTP\u54cd\u5e94\u683c\u5f0f\uff0c\u5e76\u5c06\u5176\u53d1\u9001\u56de\u5ba2\u6237\u7aef\u3002Web\u5bb9\u5668\u6267\u884c\u7684\u4e00\u4e9b\u91cd\u8981\u5de5\u4f5c\u5305\u62ec\uff1a<\/p>\n
            \n
          • \u901a\u4fe1\u652f\u6301 – \u5bb9\u5668\u63d0\u4f9b\u4e86Web\u670d\u52a1\u5668\u4e0eservlet\u548cJSP\u4e4b\u95f4\u7b80\u4fbf\u7684\u901a\u4fe1\u65b9\u5f0f\u3002\u7531\u4e8e\u6709\u4e86\u5bb9\u5668\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u6784\u5efa\u670d\u52a1\u5668\u5957\u63a5\u5b57\u6765\u76d1\u542c\u6765\u81eaWeb\u670d\u52a1\u5668\u7684\u8bf7\u6c42\uff0c\u89e3\u6790\u8bf7\u6c42\u5e76\u751f\u6210\u54cd\u5e94\u3002\u6240\u6709\u8fd9\u4e9b\u91cd\u8981\u4e14\u590d\u6742\u7684\u4efb\u52a1\u90fd\u7531\u5bb9\u5668\u5b8c\u6210\uff0c\u6211\u4eec\u53ea\u9700\u4e13\u6ce8\u4e8e\u5e94\u7528\u7a0b\u5e8f\u7684\u4e1a\u52a1\u903b\u8f91\u3002<\/li>\n
          • \u751f\u547d\u5468\u671f\u548c\u8d44\u6e90\u7ba1\u7406 – \u5bb9\u5668\u8d1f\u8d23\u7ba1\u7406servlet\u7684\u751f\u547d\u5468\u671f\u3002\u5bb9\u5668\u8d1f\u8d23\u5c06servlet\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u521d\u59cb\u5316servlet\uff0c\u8c03\u7528servlet\u65b9\u6cd5\u4ee5\u53ca\u9500\u6bc1\u5b83\u4eec\u3002\u5bb9\u5668\u8fd8\u63d0\u4f9b\u8bf8\u5982JNDI\u4e4b\u7c7b\u7684\u5b9e\u7528\u5de5\u5177\uff0c\u7528\u4e8e\u8d44\u6e90\u6c60\u548c\u7ba1\u7406\u3002<\/li>\n
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            \u7f51\u7edc\u5e94\u7528\u76ee\u5f55\u7ed3\u6784<\/h3>\n
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