{"id":30969,"date":"2022-11-16T19:06:00","date_gmt":"2023-11-29T12:25:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%9f%ba%e7%a1%80%ef%bc%9a%e8%a7%a3%e5%86%b3java%e5%ad%97%e7%ac%a6%e4%b9%b1%e7%a0%81%e9%97%ae%e9%a2%98%e7%9a%84%e6%80%bb%e7%bb%93\/"},"modified":"2025-08-12T21:38:34","modified_gmt":"2025-08-12T13:38:34","slug":"java%e5%9f%ba%e7%a1%80%ef%bc%9a%e8%a7%a3%e5%86%b3java%e5%ad%97%e7%ac%a6%e4%b9%b1%e7%a0%81%e9%97%ae%e9%a2%98%e7%9a%84%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e5%9f%ba%e7%a1%80%ef%bc%9a%e8%a7%a3%e5%86%b3java%e5%ad%97%e7%ac%a6%e4%b9%b1%e7%a0%81%e9%97%ae%e9%a2%98%e7%9a%84%e6%80%bb%e7%bb%93\/","title":{"rendered":"Java\u57fa\u7840\uff1a\u89e3\u51b3Java\u5b57\u7b26\u4e71\u7801\u95ee\u9898\u7684\u603b\u7ed3"},"content":{"rendered":"

\u6700\u8fd1\u5076\u5c14\u51fa\u73b0\u4e86\u5de5\u4f5c\u4e2d\u51fa\u73b0\u4e71\u7801\u7684\u95ee\u9898\uff0c\u56e0\u6b64\u6211\u6253\u7b97\u6574\u7406\u4e00\u4e0bJava\u4e2d\u7684\u4e71\u7801\u73b0\u8c61\u3002<\/p>\n

\u7f16\u8bd1\u4e0d\u5b8c\u6574\u5bfc\u81f4\u7684\u4e71\u7801<\/p>\n

\u8bf7\u4f60\u5e2e\u6211\u4e00\u4e2a\u5fd9\u597d\u5417\uff1f
\n\u4f8b\uff12\uff1a\u4f60\u53ef\u4ee5\u7ed9\u6211\u5e2e\u5fd9\u5417\uff1f
\n\u4f8b\uff13\uff1a\u80fd\u9ebb\u70e6\u4f60\u505a\u4e00\u4ef6\u4e8b\u5417\uff1f
\n\u4f8b\uff14\uff1a\u9ebb\u70e6\u4f60\u53ef\u4ee5\u5e2e\u5fd9\u5417\uff1f
\n\u4f8b\uff15\uff1a\u8bf7\u4f60\u5e2e\u6211\u505a\u4e00\u4ef6\u4e8b\uff0c\u53ef\u4ee5\u5417\uff1f\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684Java\u793a\u4f8b\uff0c\u4f46\u4f1a\u5c1d\u8bd5\u6d4b\u8bd5\u5b57\u7b26\u7f16\u7801\u8bbe\u7f6e\u5bf9\u4fdd\u5b58\u7ed3\u679c\u7684\u5f71\u54cd\u3002<\/p>\n
public<\/span> class<\/span> helloTokyo<\/span>{<\/span>\r\n\tpublic<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>){<\/span>\r\n\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"hello tokyo\"<\/span>);<\/span>\r\n\t\tSystem<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"hello\u6771\u4eac\"<\/span>);<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/p>\n
\u8bf7\u628a\u7535\u8bdd\u53f7\u7801\u7559\u7ed9\u6211\u3002\u4e0b\u9762\u5c06\u7528JSP\u793a\u4f8b\u8fdb\u884c\u6d4b\u8bd5\u3002\u901a\u8fc7\u7406\u89e3pageEncoding\u914d\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u4e86\u89e3\u5982\u4f55\u5728\u7f16\u8bd1\u65f6\u8bfb\u53d6JSP\u6587\u4ef6\u3002\u800ccontentType\u662f\u670d\u52a1\u5668\u5411\u6d4f\u89c8\u5668\u53d1\u9001\u65f6\u7684\u5b57\u7b26\u7f16\u7801\u3002<\/p>\n
<%@ page <\/span>language=<\/span>\"java\"<\/span> contentType=<\/span>\"text\/html; charset=MS932\"<\/span>\r\n pageEncoding=<\/span>\"MS932\"<\/span>%><\/span>\r\n<!DOCTYPE HTML><\/span>\r\n<HTML><\/span>\r\n<BODY><\/span>\r\nhello Tokyo<br><\/span>\r\nhello \u6771\u4eac<br><\/span>\r\n<\/BODY><\/span>\r\n<\/HTML><\/span>\r\n<\/code><\/pre>\n
\"image.png\"\u5982\u679c\u5c06\u6e90\u7801\u7684\u7b2c\u4e00\u884c\u4fee\u6539\u4e3a\u4ee5\u4e0b\u5185\u5bb9\uff0c\u5c06pageEncoding\u66f4\u6539\u4e3aUTF-8\uff0c\u90a3\u4e48\u4e71\u7801\u95ee\u9898\u5c06\u5f97\u5230\u89e3\u51b3\u3002<\/p>\n
<%@ page <\/span>language=<\/span>\"java\"<\/span> contentType=<\/span>\"text\/html; charset=MS932\"<\/span>\r\n pageEncoding=<\/span>\"UTF-8\"<\/span>%><\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/p>\n
POST\u53d1\u9001\u7684\u5185\u5bb9\u4e71\u7801\u5728\u7f51\u7edc\u4e0a\u53d1\u9001\u4fe1\u606f\u901a\u5e38\u4f7f\u7528POST\u65b9\u6cd5\u3002\u5f53\u4ece\u670d\u52a1\u5668\u7aef\u63a5\u6536\u5230\u4e71\u7801\u65f6\u4f1a\u5e26\u6765\u9ebb\u70e6\u3002<\/p>\n
Lily \u4e70\u4e86\u4e00\u4e2a\u65b0\u624b\u673a\u3002\u5bf9\u524d\u8ff0\u7684\u793a\u4f8b\u8fdb\u884c\u6539\u8fdb\uff0c\u6dfb\u52a0POST\u53d1\u9001\u548c\u663e\u793a\u53d1\u9001\u5185\u5bb9\u7684\u529f\u80fd\u3002<\/p>\n
<%@ page <\/span>language=<\/span>\"java\"<\/span> contentType=<\/span>\"text\/html; charset=MS932\"<\/span>\r\n pageEncoding=<\/span>\"UTF-8\"<\/span>%><\/span>\r\n<!DOCTYPE HTML><\/span>\r\n<HTML><\/span>\r\n<BODY><\/span>\r\nhello Tokyo<br><\/span>\r\nhello <%=<\/span>request<\/span>.<\/span>getParameter<\/span>(<\/span>\"txt\"<\/span>)<\/span>%><br><\/span>\r\n<form<\/span> method=<\/span>\"post\"<\/span>><\/span>\r\n<input<\/span> name=<\/span>\"txt\"<\/span> value=<\/span>\"\u6771\u4eac\"<\/span>><\/span>\r\n<input<\/span> type=<\/span>submit<\/span> value=<\/span>\"\u9001\u4fe1\"<\/span>><\/span>\r\n<\/form><\/span>\r\n<\/BODY><\/span>\r\n<\/HTML><\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/p>\n
<%@ page <\/span>language=<\/span>\"java\"<\/span> contentType=<\/span>\"text\/html; charset=MS932\"<\/span>\r\n pageEncoding=<\/span>\"UTF-8\"<\/span>%><\/span>\r\n<!DOCTYPE HTML><\/span>\r\n<HTML><\/span>\r\n<BODY><\/span>\r\n<%<\/span>\r\n\trequest<\/span>.<\/span>setCharacterEncoding<\/span>(<\/span>\"MS932\"<\/span>);<\/span>\r\n%><\/span>\r\nhello Tokyo<br><\/span>\r\nhello <%=<\/span>request<\/span>.<\/span>getParameter<\/span>(<\/span>\"txt\"<\/span>)<\/span>%><br><\/span>\r\n<form<\/span> method=<\/span>\"post\"<\/span>><\/span>\r\n<input<\/span> name=<\/span>\"txt\"<\/span> value=<\/span>\"\u6771\u4eac\"<\/span>><\/span>\r\n<input<\/span> type=<\/span>submit<\/span> value=<\/span>\"\u9001\u4fe1\"<\/span>><\/span>\r\n<\/form><\/span>\r\n<\/BODY><\/span>\r\n<\/HTML><\/span>\r\n<\/code><\/pre>\n
\"image.png\"\u53ea\u8981\u5728\u81ea\u6211\u53d1\u9001\u7ed9\u81ea\u5df1\u7684POST\u8bf7\u6c42\u4e2d\uff0c\u7edf\u4e00jsp\u7684contentType\u548crequest\u7684\u5b57\u7b26\u7f16\u7801\u8bbe\u7f6e\uff0c\u5c31\u80fd\u5f88\u5bb9\u6613\u5730\u5f97\u51fa\u8fd9\u662f\u6ca1\u6709\u95ee\u9898\u7684\u7ed3\u8bba\u3002\u8bf7\u770b\u4e0b\u4e00\u6bb5\u662f\u5426\u6b63\u786e\u3002<\/p>\n
\u6469\u6258\u8f66\u662f\u5728\u4e2d\u56fd\u5e38\u89c1\u7684\u4ea4\u901a\u5de5\u5177\u4e4b\u4e00\u3002\u5982\u679cPOST\u9001\u4fe1\u7684\u76ee\u6807\u662f\u53e6\u4e00\u4e2a\u7cfb\u7edf\uff0c\u4e14\u65e0\u6cd5\u7f16\u8f91\u5bf9\u65b9\u7684request\u5b57\u7b26\u7f16\u7801\uff0c\u5e94\u8be5\u600e\u4e48\u529e\uff1f\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u6307\u5b9a\u81ea\u5df1\u8868\u5355\u7684\u5b57\u7b26\u7f16\u7801\u4e3aaccept-charset\u3002\u4e3a\u4e86\u533a\u522b\u4e8e\u524d\u9762\u7684\u793a\u4f8b\uff0c\u8fd9\u6b21\u6211\u4eec\u5c06\u8868\u5355\u548c\u8bf7\u6c42\u7684\u5b57\u7b26\u7f16\u7801\u90fd\u8bbe\u7f6e\u4e3aUTF-8\u3002<\/p>\n
<%@ page <\/span>language=<\/span>\"java\"<\/span> contentType=<\/span>\"text\/html; charset=MS932\"<\/span>\r\n pageEncoding=<\/span>\"UTF-8\"<\/span>%><\/span>\r\n<!DOCTYPE HTML><\/span>\r\n<HTML><\/span>\r\n<BODY><\/span>\r\n<%<\/span>\r\n\trequest<\/span>.<\/span>setCharacterEncoding<\/span>(<\/span>\"UTF-8\"<\/span>);<\/span>\r\n%><\/span>\r\nhello Tokyo<br><\/span>\r\nhello <%=<\/span>request<\/span>.<\/span>getParameter<\/span>(<\/span>\"txt\"<\/span>)<\/span>%><br><\/span>\r\n<form<\/span> method=<\/span>\"post\"<\/span> accept-charset=<\/span>\"UTF-8\"<\/span>><\/span>\r\n<input<\/span> name=<\/span>\"txt\"<\/span> value=<\/span>\"\u6771\u4eac\"<\/span>><\/span>\r\n<input<\/span> type=<\/span>submit<\/span> value=<\/span>\"\u9001\u4fe1\"<\/span>><\/span>\r\n<\/form><\/span>\r\n<\/BODY><\/span>\r\n<\/HTML><\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/p>\n
\u8bf7\u95ee\u60a8\u7684\u95ee\u9898\u662f\u5173\u4e8eGET\u9001\u4fe1\u4e2d\u5b57\u7b26\u53d8\u4e71\u7801\u7684\u60c5\u51b5\u5417\uff1fGET\u65b9\u6cd5\u4f1a\u901a\u8fc7URL\u5c06\u4f20\u8f93\u5185\u5bb9\u4f20\u9012\u5230\u670d\u52a1\u5668\u3002\u901a\u5e38\u5efa\u8bae\u4f7f\u7528\u82f1\u6570\u5b57\u4ee3\u7801\u8fdb\u884c\u4f20\u8f93\uff0c\u4f46\u5076\u5c14\u5c1d\u8bd5\u53d1\u9001\u540d\u79f0\u6216\u6d88\u606f\u7b49\u5185\u5bb9\u65f6\uff0c\u5f80\u5f80\u4f1a\u9047\u5230\u4e0d\u597d\u7684\u7ed3\u679c\u3002<\/p>\n
\u8bf7\u4e0d\u8981\u900f\u9732\u4e2a\u4eba\u654f\u611f\u4fe1\u606f\uff0c\u4f8b\u5982\u94f6\u884c\u8d26\u53f7\u3001\u5bc6\u7801\u6216\u8eab\u4efd\u8bc1\u53f7\u7801\u3002
\n\u6211\u4eec\u5c06\u5c1d\u8bd5\u83b7\u53d6\u901a\u8fc7GET\u65b9\u6cd5\u53d1\u9001\u7684\u5185\u5bb9\uff0c\u800c\u4e0d\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n
<%@ page <\/span>language=<\/span>\"java\"<\/span> contentType=<\/span>\"text\/html; charset=MS932\"<\/span>\r\n pageEncoding=<\/span>\"UTF-8\"<\/span>%><\/span>\r\n<!DOCTYPE HTML><\/span>\r\n<HTML><\/span>\r\n<BODY><\/span>\r\n<%<\/span>\r\n\tString<\/span> txt<\/span>=<\/span>request<\/span>.<\/span>getParameter<\/span>(<\/span>\"txt\"<\/span>);<\/span>\r\n%><\/span>\r\nhello Tokyo<br><\/span>\r\nhello <%=<\/span>txt<\/span>%><br><\/span>\r\n<form<\/span> method=<\/span>\"get\"<\/span>><\/span>\r\n<input<\/span> name=<\/span>\"txt\"<\/span> value=<\/span>\"\u6771\u4eac\"<\/span>><\/span>\r\n<input<\/span> type=<\/span>submit<\/span> value=<\/span>\"\u9001\u4fe1\"<\/span>><\/span>\r\n<\/form><\/span>\r\n<\/BODY><\/span>\r\n<\/HTML><\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/p>\n
http:\/\/localhost:8080\/helloworld\/helloTokyo.jsp?txt=%93%8C%8B%9E\r\n<\/code><\/pre>\n
\"image.png\"
\n\u636e\u8bf4GET\u65b9\u6cd5\u4e0d\u80fd\u4f7f\u7528setCharacterEncoding\u65b9\u6cd5\u3002\u636e\u8bf4\uff0c\u5982\u679c\u66f4\u6539tomcat\u7684\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u4f7fsetCharacterEncoding\u65b9\u6cd5\u751f\u6548\uff0c\u4f46\u8fd9\u4e0d\u662f\u6211\u559c\u6b22\u7684\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662f\u53c2\u8003\u65b9\u6cd5\u3002<\/p>\n
<Connector<\/span> port=<\/span>\"8080\"<\/span> maxHttpHeaderSize=<\/span>\"8192\"<\/span>\r\n           maxThreads=<\/span>\"150\"<\/span> minSpareThreads=<\/span>\"25\"<\/span> maxSpareThreads=<\/span>\"75\"<\/span>\r\n           enableLookups=<\/span>\"false\"<\/span> redirectPort=<\/span>\"8443\"<\/span> acceptCount=<\/span>\"100\"<\/span>\r\n           connectionTimeout=<\/span>\"20000\"<\/span> disableUploadTimeout=<\/span>\"true\"<\/span> \r\n useBodyEncodingForURI=<\/span>\"true\"<\/span>\/><\/span>\r\n<\/code><\/pre>\n
\u7a0b\u5e8f\u7684\u914d\u5bf9\u65b9\u6cd5\u5982\u4e0b\u3002<\/p>\n
<%@ page <\/span>language=<\/span>\"java\"<\/span> contentType=<\/span>\"text\/html; charset=MS932\"<\/span>\r\n pageEncoding=<\/span>\"UTF-8\"<\/span>%><\/span>\r\n<!DOCTYPE HTML><\/span>\r\n<HTML><\/span>\r\n<BODY><\/span>\r\n<%<\/span>\r\n\tString<\/span> txt<\/span>=<\/span>request<\/span>.<\/span>getParameter<\/span>(<\/span>\"txt\"<\/span>);<\/span>\r\n\tif<\/span> (<\/span>txt<\/span>!=<\/span>null<\/span>){<\/span>\r\n\t\ttxt<\/span>=<\/span>new<\/span> String<\/span>(<\/span>txt<\/span>.<\/span>getBytes<\/span>(<\/span>\"ISO-8859-1\"<\/span>),<\/span>\"MS932\"<\/span>);<\/span>\r\n\t}<\/span>\r\n%><\/span>\r\nhello Tokyo<br><\/span>\r\nhello <%=<\/span>txt<\/span>%><br><\/span>\r\n<form<\/span> method=<\/span>\"get\"<\/span>><\/span>\r\n<input<\/span> name=<\/span>\"txt\"<\/span> value=<\/span>\"\u6771\u4eac\"<\/span>><\/span>\r\n<input<\/span> type=<\/span>submit<\/span> value=<\/span>\"\u9001\u4fe1\"<\/span>><\/span>\r\n<\/form><\/span>\r\n<\/BODY><\/span>\r\n<\/HTML><\/span>\r\n<\/code><\/pre>\n
\"image.png\"<\/p>\n
Tomcat\u63a7\u5236\u53f0\u663e\u793a\u4e71\u7801<\/p>\n
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