{"id":157,"date":"2018-06-11T12:49:15","date_gmt":"2018-06-11T04:49:15","guid":{"rendered":"http:\/\/www.sniper97.cn\/?p=157"},"modified":"2018-06-11T12:49:15","modified_gmt":"2018-06-11T04:49:15","slug":"jsp%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"http:\/\/www.sniper97.cn\/index.php\/note\/jsp\/157\/","title":{"rendered":"JSP\u7b80\u4ecb"},"content":{"rendered":"

JSP\u7b80\u4ecb<\/strong><\/h1>\n

JSP\uff08 java server page\uff09
\ntomcat\u4ee5\u53cajava\u7684\u4e0b\u8f7d\u5b89\u88c5\u5728\u8fd9\u91cc\u5c31\u4e0d\u8bf4\u4e86\uff0c\u503c\u5f97\u4e00\u8bf4\u7684\u662f\uff0c\u5173\u4e8etomcat\u7684startup.bat\u95ea\u9000\u7684\u95ee\u9898\u00a0<\/a>\u3002
\n\u6240\u6709?\u7ecf\u8fc7\u7b5b\u9009\uff0c\u6bd4\u8f83\u80fd\u8bf4\u660e\u95ee\u9898\uff0c\u5982\u679c\u6709\u9519\u8bef\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u6307\u6b63\u3002
\n\u4f8b1_1\uff1a
\nexample1_1.jsp<\/p>\n

<%@ page contentType=\"text\/html;charset=GB2312\" %>\n<HTML><BODY BGCOLOR=cyan>\n<h3>\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684JSP\u9875\u9762<\/h3>\n<% int i, sum=0;\nfor(i=1;i<=100;i++)\n{ sum=sum+i;\n}\n%>\n<h5>  1\u5230100\u7684\u8fde\u7eed\u548c\u662f\uff1a\n<%=sum %>\n<h5>\n<\/BODY><HTML><\/pre>\n
\u6253\u5f00tomcat\u7684\u5b89\u88c5\u76ee\u5f55\u4e0b\u7684webapps\\Root \u5c06example1_1.jsp\u6dfb\u52a0\u8fdb\u76ee\u5f55\uff0c\u968f\u540e\u5728\u5b89\u88c5\u8def\u5f84\u4e0b\u7684\/bin \u4e2d\u6253\u5f00\u6279\u5904\u7406\u6587\u4ef6startup.bat \u542f\u52a8\u670d\u52a1\u5668\uff0ctomcat\u9ed8\u8ba4\u4f7f\u75288080\u7aef\u53e3\uff0c\u8fd9\u65f6\u5019\u5728\u6d4f\u89c8\u5668\u8f93\u5165\u672c\u5730ip\u5730\u5740 \u00a0http:\/\/127.0.0.1:8080\/example1_1.jsp<\/u><\/a>
\n\u5c31\u53ef\u4ee5\u770b\u5230\u76ee\u6807\u9875\u9762
\n\"\"
\n\u6709\u7684\u4eba\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u4e71\u7801\uff0c\u6bd4\u5982\u6211\u5c31\u51fa\u73b0\u4e86\u8fd9\u4e2a\u95ee\u9898\uff0c\u90a3\u662f\u56e0\u4e3a\u4f7f\u7528\u7684\u6587\u672c\u7f16\u8bd1\u5668\u800c\u4e0d\u662f\u8bb0\u4e8b\u672c\uff08\u6bd4\u5982\u6211\u7528\u7684notepad++\u548cAtom\uff09\uff0c\u8fd9\u79cd\u6587\u672c\u7f16\u8bd1\u5668\u5728\u4fdd\u5b58\u7684\u65f6\u5019\u4ec5\u4ec5\u662f\u5c06\u6d88\u606f\u4ee5\u5bf9\u5e94\u7684\u7f16\u7801\u96c6\u4fdd\u5b58\uff0c\u4f46\u8bb0\u4e8b\u672c\u5728utf-8\u7684\u7f16\u7801\u96c6\u65f6\u4f1a\u9ed8\u8ba4\u5728\u6700\u524d\u9762\u52a0\u4e0a\u4e00\u4e2aBOM\u5b57\u7b26\uff0c\u8fd9\u4e5f\u5c31\u5bfc\u81f4\u4e86\u5728txt\u4e2d\u51fa\u73b0 \u8054\u901a \u8fd9\u79cd\u95ee\u9898\u7684\u60c5\u51b5\uff0c\u89e3\u51b3\u65b9\u6848\uff1a\u4f7f\u7528UTF8-BOM\u7f16\u7801\u3001ANSI\u7f16\u7801\u3001\u6216\u8005GB-2312\u7f16\u7801\u5747\u53ef\u3002
\n\"\"
\n\u8be6\u89c1\u6587\u672c\u6587\u6863\u4e2d\u201c\u8054\u901a\u201d\u4e0eBOM\u7684\u95ee\u9898<\/a>
\n <\/p>\n
\u65b0\u5efaweb\u670d\u52a1\u76ee\u5f55<\/h3>\n
\u5982\u679c\u60f3\u8981\u5176\u4ed6\u5b50\u76ee\u5f55\uff0c\u53ef\u4ee5\u5728webapps\u4e0b\u65b0\u5efa\u4f60\u60f3\u547d\u540d\u7684\u6587\u4ef6\u5939\uff0c\u7136\u540e\u5728\u8be5\u6587\u4ef6\u5939\u4e0b\u65b0\u5efa\u6587\u4ef6\u5939 WEB-INF \u968f\u540e\u8be5\u5b50\u76ee\u5f55\u5c31\u53ef\u4ee5\u4f7f\u7528\u3002
\n\u5bf9\u670d\u52a1\u76ee\u5f55\u8fdb\u884c\u64cd\u4f5c\u9700\u8981\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u91cd\u542f\u3002<\/strong>
\n\u9996\u5148\u6211\u4eec\u5728webapps\u4e2d\u65b0\u5efa\u6587\u4ef6\u5939 study
\n\"\"
\n\u7136\u540e\u6211\u4eec\u6253\u5f00study\uff0c\u5728\u6587\u4ef6\u5939\u4e2d\u65b0\u5efa\u6587\u4ef6\u5939WEB-INF\uff0c\u5e76\u628a\u4e4b\u524d\u7684example1_1.jsp\u590d\u5236\u8fdb\u6765\u3002
\n\"\"
\n\u968f\u540e\u8bbf\u95ee http:\/\/127.0.0.1:8080\/study\/example1_1.jsp<\/a>
\n\u5c31\u53ef\u4ee5\u770b\u5230\u76ee\u6807\u754c\u9762
\n\"\"
\n 
\n\u5f53\u9700\u8981\u5c06\u672c\u5730\u5176\u4ed6\u8def\u5f84\u7684\u76ee\u5f55\u4f5c\u4e3aweb\u670d\u52a1\u76ee\u5f55\uff0c\u5e76\u4e3a\u8be5web\u670d\u52a1\u76ee\u5f55\u6307\u5b9a\u865a\u62df\u76ee\u5f55\uff0c\u5373\u9690\u85cfweb\u670d\u52a1\u76ee\u5f55\u7684\u5b9e\u9645\u4f4d\u7f6e\uff0c\u7528\u6237\u53ea\u80fd\u901a\u8fc7\u865a\u62df\u76ee\u5f55\u8bbf\u95eeWeb\u670d\u52a1\u76ee\u5f55\u4e2d\u7684JSP\u9875\u9762\u65f6
\n\u6211\u4eec\u9700\u8981\u5728.\/conf\/server.xml\u4e2d\u8fdb\u884c\u8bbe\u7f6e\uff0c\u5728\u6700\u540e\u6dfb\u52a0\u4e00\u884c
\n <\/p>\n
<Context path=\"\/changeLoc\" docBase=\"d:\/xxxx\" debug=\"0\" reloadable=\"true\"\/>\n\/\/\u5728\u6839\u76ee\u5f55\u4e0b\u7ee7\u7eed\u8bbf\u95eechangeLoc\u5b50\u76ee\u5f55\u65f6\u5728D\uff1a\/xxxx\u00a0\u4e2d\u5bfb\u627e\u6587\u4ef6\u00a0debug\u00a0=\u00a00\u00a0\uff0c\u81ea\u52a8\u52a0\u8f7d\u00a0=\u00a0true<\/pre>\n
 
\n 
\n\"\"
\n 
\n\u91cd\u542f\u670d\u52a1\u5668\uff0c\u968f\u540e\u6211\u4eec\u8bbf\u95ee\u8fd9\u4e2a\u865a\u62df\u4f4d\u7f6e\uff0c\u53d1\u73b0\u9875\u9762\u53ef\u4ee5\u52a0\u8f7d\u3002\uff08\u65b0\u8def\u5f84\u4e0b\u4e5f\u5fc5\u987b\u662f\u5b8c\u6574\u7684web\u670d\u52a1\u76ee\u5f55\uff0cWEB-INF\u548c\u5176\u4ed6jsp\u6587\u4ef6\u4e5f\u5fc5\u987b\u5b58\u5728\uff09
\n 
\n\"\"
\n\uff08\u6ce8\u610f\uff1axml\u6587\u4ef6\u533a\u5206\u5927\u5c0f\u5199\u548c\u4e2d\u82f1\u6587\u5b57\u7b26\uff09<\/strong>
\n <\/p>\n
JSP\u8fd0\u884c\u539f\u7406<\/h3>\n
\u5f53\u670d\u52a1\u5668\u4e0a\u7684JSP\u9875\u9762\u7b2c\u4e00\u6b21\u88ab\u6267\u884c\u65f6\uff0c\u670d\u52a1\u5668\u4e0a\u7684JSP\u5f15\u64ce\u9996\u5148\u5c06JSP\u9875\u9762\u6587\u4ef6\u8f6c\u8bd1\u6210\u4e00\u4e2a.java\u6587\u4ef6\uff0c\u5e76\u901a\u8fc7\u8fd9\u4e2a.java\u6587\u4ef6\u751f\u6210\u5b57\u8282\u7801\u6587\u4ef6\uff0c\u7136\u540e\u6267\u884c\u5b57\u8282\u7801\u6587\u4ef6\u54cd\u5e94\u5ba2\u6237\u7684\u8bf7\u6c42\u3002JSP\u9875\u9762\u7684\u9996\u6b21\u6267\u884c\u5f80\u5f80\u7531\u7ba1\u7406\u8005\u6765\u6267\u884c\u3002
\n\u5b57\u8282\u7801\u7684\u4e3b\u8981\u5de5\u4f5c\u662f\uff1a
\n\uff081\uff09\u628aJSP\u9875\u9762\u4e2d\u7684HTML\u6807\u8bb0\u7b26\u53f7\uff08\u9875\u9762\u7684\u9759\u6001\u90e8\u5206\uff09\u4ea4\u7ed9\u5ba2\u6237\u7684\u6d4f\u89c8\u5668\u8d1f\u8d23\u663e\u793a\u3002
\n\uff082\uff09\u8d1f\u8d23\u5904\u7406JSP\u6807\u8bb0\uff0c\u5e76\u5c06\u6709\u5173\u7684\u5904\u7406\u7ed3\u679c\u53d1\u9001\u5230\u5ba2\u6237\u7684\u6d4f\u89c8\u5668\u3002
\n\uff083\uff09\u6267\u884c\u201c<%\u201d\u548c\u201c%>\u201d\u4e4b\u95f4\u7684java\u7a0b\u5e8f\u7247\uff08JSP\u9875\u9762\u4e2d\u7684\u52a8\u6001\u90e8\u5206\uff09\uff0c\u5e76\u628a\u6267\u884c\u7ed3\u679c<\/strong>\u4ea4\u7ed9\u5ba2\u6237\u7684\u6d4f\u89c8\u5668\u663e\u793a\u3002
\n\uff084\uff09\u5f53\u591a\u4e2a\u5ba2\u6237\u8bf7\u6c42\u4e00\u4e2aJSP\u9875\u9762\u65f6\uff0cTomcat\u670d\u52a1\u5668\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u542f\u52a8\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u8be5\u7ebf\u7a0b\u8d1f\u8d23\u6267\u884c\u5e38\u9a7b\u5185\u5b58\u7684\u5b57\u8282\u7801\u6587\u4ef6\u6765\u54cd\u5e94\u5ba2\u6237\u7684\u8bf7\u6c42\u3002\u8fd9\u4e9b\u7ebf\u7a0b\u6709Tomcat\u670d\u52a1\u5668\u6765\u7ba1\u7406\uff0c\u5c06CPU\u7684\u4f7f\u7528\u6743\u5728\u5404\u4e2a\u7ebf\u7a0b\u4e4b\u95f4\u5feb\u901f\u5207\u6362\uff0c\u4ee5\u4fdd\u8bc1\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u673a\u4f1a\u6267\u884c\u5b57\u8282\u7801\u6587\u4ef6\u3002
\n\"\"
\n\uff08\u6ce8\u610f\uff1a\u5982\u679c\u5bf9JSP\u9875\u9762\u8fdb\u884c\u4e86\u4fee\u6539\u3001\u4fdd\u5b58\uff0c\u90a3\u4e48Tomcat\u670d\u52a1\u5668\u4f1a\u751f\u6210\u65b0\u7684\u5b57\u8282\u7801\u6587\u4ef6\uff08\u6700\u540e\u4fee\u6539\u65f6\u95f4\uff09\uff09<\/strong>
\n 
\n\u50cf\u4e0a\u9762\u90a3\u4e2aexample1_1.jsp \u5982\u679c\u6211\u4eec\u4f7f\u7528F12\u6216\u8005\u53f3\u952e\u67e5\u770b\u6e90\u7801\uff0c\u6211\u4eec\u53d1\u73b0\u670d\u52a1\u5668\u7aef\u53ea\u6536\u5230\u4e86\u4e00\u4e2a\u7ed3\u679c\uff0cjava\u4ee3\u7801\u90e8\u5206\u5e76\u6ca1\u6709\u88ab\u53d1\u9001\u5230\u5ba2\u6237\u7aef\u3002
\n 
\n\"\"
\n <\/p>\n
\u8bfe\u540e\u9898\uff1a<\/strong><\/h3>\n
1.\u5b89\u88c5Tomcat\u5f15\u64ce\u7684\u8ba1\u7b97\u673a\u9700\u8981\u4e8b\u5148\u5b89\u88c5JDK\u4e48\uff1f
\n\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0 \u9700\u8981\uff0c\u56e0\u4e3aJSP\u662f\u57fa\u4e8eJava Servlet\u7684\u6539\u8fdb\uff0c\u800cJava Servlet\u662fJava\u7684\u4e00\u90e8\u5206\u3002
\n2.\u600e\u4e48\u542f\u52a8\u548c\u5173\u95edTomcat\u670d\u52a1\u5668\uff1f
\n\u00b7\u00a0\u00a0\u00a0\u00a0 \u542f\u52a8\uff1a\u5728\u5b89\u88c5\u8def\u5f84\u4e0b\u7684\/bin \u4e2d\u6253\u5f00\u6279\u5904\u7406\u6587\u4ef6startup.bat \u542f\u52a8\u670d\u52a1\u5668\u3002
\n\u00b7\u00a0\u00a0\u00a0\u00a0 \u5173\u95ed\uff1a\u5728\u5b89\u88c5\u8def\u5f84\u4e0b\u7684\/bin \u4e2d\u6253\u5f00\u6279\u5904\u7406\u6587\u4ef6shutdown.bat\u5173\u95ed\u670d\u52a1\u5668\u3002
\n3.Boy.jsp\u548cboy.jsp\u662f\u5426\u662f\u76f8\u540c\u7684JSP\u6587\u4ef6\u540d\u5b57\uff1f
\n\u00b7\u00a0\u00a0\u00a0 \u4e0d\u662f\uff0cJSP\u662f\u57fa\u4e8ejava\u7684\uff0cjava\u533a\u5206\u5927\u5c0f\u5199\u3002
\n4.\u8bf7\u5728D:\\\u4e0b\u5efa\u7acb\u4e00\u4e2a\u540d\u5b57\u4e3awater\u7684\u76ee\u5f55\uff0c\u5e76\u5c06\u8be5\u76ee\u5f55\u8bbe\u7f6e\u6210\u4e00\u4e2aweb\u670d\u52a1\u76ee\u5f55\uff0c\u7136\u540e\u7f16\u5199\u4e00\u4e2a\u7b80\u5355JSP\u9875\u9762\uff0c\u4fdd\u5b58\u5230\u8be5\u76ee\u5f55\u4e2d\uff0c\u8ba9\u7528\u6237\u4f7f\u7528\u865a\u62df\u76ee\u5f55fish\u6765\u8bbf\u95ee\u8be5JSP\u9875\u9762\u3002
\n\u00b7\u00a0\u00a0\u00a0 \u5728.\/conf\/server.xml\u4e2d\u8fdb\u884c\u8bbe\u7f6e\uff0c\u5728\u540e\u9762\u6dfb\u52a0\u4e00\u884c
\n\u00b7\u00a0\u00a0\u00a0 <Context path = “\/fish” docBase = “d:water” debug = “0” reloadable\u00a0 =”true”\/>
\n\u00b7\u00a0\u00a0\u00a0 \u7136\u540e\u6253\u5f00\u670d\u52a1\u5668\u8bbf\u95eehttp:\/\/127.0.0.1:8080\/fish\/xxxx.jsp \u5373\u53ef
\n5.\u5047\u8bbeDalian\u662f\u4e00\u4e2aWeb\u670d\u52a1\u5668\u76ee\u5f55\uff0c\u5176\u865a\u62df\u76ee\u5f55\u4e3amoon\uff0cA.jsp\u4fdd\u5b58\u5728Dalian\u7684\u5b50\u76ee\u5f55sea\u4e2d\uff0c\u5047\u8bbeTomcat\u670d\u52a1\u5668\u7684\u7aef\u53e3\u4e3a8080\uff0c\u5219\u6b63\u786e\u8bbf\u95eeA.jsp\u7684\u65b9\u5f0f\u662f\uff1a\uff08D\uff09
\nA. http:\/\/127.0.0.1:8080\/A.jsp
\nB. http:\/\/127.0.0.1:8080\/Dalian\/A.jsp
\nC. http:\/\/127.0.0.1:8080\/moon\/A.jsp
\nD. http:\/\/127.0.0.1:8080\/moon\/sea\/A.jsp
\n\uff08\u4e66\u4e0a\u4e3a8080:\/ \u5e94\u8be5\u662f\u5370\u5237\u9519\u8bef\uff09
\n6.\u5982\u679c\u60f3\u4fee\u6539Tomcat\u670d\u52a1\u5668\u7684\u7aef\u53e3\u53f7\uff0c\u5e94\u5f53\u4fee\u6539\u54ea\u4e2a\u6587\u4ef6\uff1f\u80fd\u5426\u5c06\u7aef\u53e3\u53f7\u4fee\u6539\u4e3a80\uff1f
\n\u00b7\u00a0\u00a0\u00a0 \u5982\u679c\u7aef\u53e3\u6ca1\u6709\u88ab\u5176\u4ed6\u7a0b\u5e8f\u5360\u7528\u5c31\u53ef\u4ee5\uff0c\u53ef\u4ee5\u5728.\/conf\/server.xml\u4e2d\u8fdb\u884c\u8bbe\u7f6e\uff0c\u627e\u5230
\n\u00b7\u00a0\u00a0\u00a0 <Connector connectionTimeout=”20000″ port=”8080″ protocol=”HTTP\/1.1″ redirectPort=”8443″\/>
\n\u00b7\u00a0\u00a0\u00a0 \u5c06port\u76848080\u4fee\u6539\u4e3a80
\n\"\"<\/a>
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