{"id":419,"date":"2013-02-14T11:33:13","date_gmt":"2013-02-14T11:33:13","guid":{"rendered":"http:\/\/lg.yusemo.com\/?p=419"},"modified":"2016-08-25T09:47:35","modified_gmt":"2016-08-25T09:47:35","slug":"java-applications-in-java-character-encoding-encoding-problem","status":"publish","type":"post","link":"https:\/\/lg.yusemo.com\/?p=419","title":{"rendered":"JAVA\u5b57\u7b26\u7f16\u7801\u4e4bJava\u5e94\u7528\u4e2d\u7684\u7f16\u7801\u95ee\u9898"},"content":{"rendered":"

\u7b2c\u4e00\u7bc7\uff1aJAVA\u5b57\u7b26\u7f16\u7801\u7cfb\u5217\u4e00\uff1aUnicode,GBK,GB2312,UTF-8\u6982\u5ff5\u57fa\u7840<\/a><\/p>\n

\u7b2c\u4e8c\u7bc7\uff1aJAVA\u5b57\u7b26\u7f16\u7801\u7cfb\u5217\u4e8c\uff1aUnicode,ISO-8859,GBK,UTF-8\u7f16\u7801\u53ca\u76f8\u4e92\u8f6c\u6362<\/a><\/p>\n

\u7b2c\u4e09\u7bc7\uff1aJAVA\u5b57\u7b26\u7f16\u7801\u7cfb\u5217\u4e09\uff1aJava\u5e94\u7528\u4e2d\u7684\u7f16\u7801\u95ee\u9898<\/a><\/p>\n

1. \u6982\u8ff0<\/p>\n

\u672c\u6587\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a\u7f16\u7801\u57fa\u672c\u77e5\u8bc6\uff0cjava\uff0c\u7cfb\u7edf\u8f6f\u4ef6\uff0curl\uff0c\u5de5\u5177\u8f6f\u4ef6\u7b49\u3002<\/p>\n

\u5728\u4e0b\u9762\u7684\u63cf\u8ff0\u4e2d\uff0c\u5c06\u4ee5”\u4e2d\u6587”\u4e24\u4e2a\u5b57\u4e3a\u4f8b\uff0c\u7ecf\u67e5\u8868\u53ef\u4ee5\u77e5\u9053\u5176GB2312\u7f16\u7801\u662f”d6d0 cec4″\uff0cUnicode\u7f16\u7801\u4e3a”4e2d 6587″\uff0cUTF\u7f16\u7801\u5c31\u662f”e4b8ad e69687″\u3002\u6ce8\u610f\uff0c\u8fd9\u4e24\u4e2a\u5b57\u6ca1\u6709iso8859-1\u7f16\u7801\uff0c\u4f46\u53ef\u4ee5\u7528iso8859-1\u7f16\u7801\u6765”\u8868\u793a”\u3002<\/p>\n

2. \u7f16\u7801\u57fa\u672c\u77e5\u8bc6<\/p>\n

\u6700\u65e9\u7684\u7f16\u7801\u662fiso8859-1\uff0c\u548cascii\u7f16\u7801\u76f8\u4f3c\u3002\u4f46\u4e3a\u4e86\u65b9\u4fbf\u8868\u793a\u5404\u79cd\u5404\u6837\u7684\u8bed\u8a00\uff0c\u9010\u6e10\u51fa\u73b0\u4e86\u5f88\u591a\u6807\u51c6\u7f16\u7801\uff0c\u91cd\u8981\u7684\u6709\u5982\u4e0b\u51e0\u4e2a\u3002<\/p>\n

2.1. iso8859-1<\/p>\n

\u5c5e\u4e8e\u5355\u5b57\u8282\u7f16\u7801\uff0c\u6700\u591a\u80fd\u8868\u793a\u7684\u5b57\u7b26\u8303\u56f4\u662f0-255\uff0c\u5e94\u7528\u4e8e\u82f1\u6587\u7cfb\u5217\u3002\u6bd4\u5982\uff0c\u5b57\u6bcd’a’\u7684\u7f16\u7801\u4e3a0x61=97\u3002<\/p>\n

\u5f88\u660e\u663e\uff0ciso8859-1\u7f16\u7801\u8868\u793a\u7684\u5b57\u7b26\u8303\u56f4\u5f88\u7a84\uff0c\u65e0\u6cd5\u8868\u793a\u4e2d\u6587\u5b57\u7b26\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u662f\u5355\u5b57\u8282\u7f16\u7801\uff0c\u548c\u8ba1\u7b97\u673a\u6700\u57fa\u7840\u7684\u8868\u793a\u5355\u4f4d\u4e00\u81f4\uff0c\u6240\u4ee5\u5f88\u591a\u65f6\u5019\uff0c\u4ecd\u65e7\u4f7f\u7528iso8859-1\u7f16\u7801\u6765\u8868\u793a\u3002\u800c\u4e14\u5728\u5f88\u591a\u534f\u8bae\u4e0a\uff0c\u9ed8\u8ba4\u4f7f\u7528\u8be5\u7f16\u7801\u3002\u6bd4\u5982\uff0c\u867d\u7136”\u4e2d\u6587”\u4e24\u4e2a\u5b57\u4e0d\u5b58\u5728iso8859-1\u7f16\u7801\uff0c\u4ee5gb2312\u7f16\u7801\u4e3a\u4f8b\uff0c\u5e94\u8be5\u662f”d6d0 cec4″\u4e24\u4e2a\u5b57\u7b26\uff0c\u4f7f\u7528iso8859-1\u7f16\u7801\u7684\u65f6\u5019\u5219\u5c06\u5b83\u62c6\u5f00\u4e3a4\u4e2a\u5b57\u8282\u6765\u8868\u793a\uff1a”d6 d0 ce c4″\uff08\u4e8b\u5b9e\u4e0a\uff0c\u5728\u8fdb\u884c\u5b58\u50a8\u7684\u65f6\u5019\uff0c\u4e5f\u662f\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u5904\u7406\u7684\uff09\u3002\u800c\u5982\u679c\u662fUTF\u7f16\u7801\uff0c\u5219\u662f6\u4e2a\u5b57\u8282”e4 b8 ad e6 96 87″\u3002\u5f88\u660e\u663e\uff0c\u8fd9\u79cd\u8868\u793a\u65b9\u6cd5\u8fd8\u9700\u8981\u4ee5\u53e6\u4e00\u79cd\u7f16\u7801\u4e3a\u57fa\u7840\u3002<\/p>\n

2.2. GB2312\/GBK<\/p>\n

\u8fd9\u5c31\u662f\u6c49\u5b50\u7684\u56fd\u6807\u7801\uff0c\u4e13\u95e8\u7528\u6765\u8868\u793a\u6c49\u5b57\uff0c\u662f\u53cc\u5b57\u8282\u7f16\u7801\uff0c\u800c\u82f1\u6587\u5b57\u6bcd\u548ciso8859-1\u4e00\u81f4\uff08\u517c\u5bb9iso8859-1\u7f16\u7801\uff09\u3002\u5176\u4e2dgbk\u7f16\u7801\u80fd\u591f\u7528\u6765\u540c\u65f6\u8868\u793a\u7e41\u4f53\u5b57\u548c\u7b80\u4f53\u5b57\uff0c\u800cgb2312\u53ea\u80fd\u8868\u793a\u7b80\u4f53\u5b57\uff0cgbk\u662f\u517c\u5bb9gb2312\u7f16\u7801\u7684\u3002<\/p>\n

2.3. unicode<\/p>\n

\u8fd9\u662f\u6700\u7edf\u4e00\u7684\u7f16\u7801\uff0c\u53ef\u4ee5\u7528\u6765\u8868\u793a\u6240\u6709\u8bed\u8a00\u7684\u5b57\u7b26\uff0c\u800c\u4e14\u662f\u5b9a\u957f\u53cc\u5b57\u8282\uff08\u4e5f\u6709\u56db\u5b57\u8282\u7684\uff09\u7f16\u7801\uff0c\u5305\u62ec\u82f1\u6587\u5b57\u6bcd\u5728\u5185\u3002\u6240\u4ee5\u53ef\u4ee5\u8bf4\u5b83\u662f\u4e0d\u517c\u5bb9iso8859-1\u7f16\u7801\u7684\uff0c\u4e5f\u4e0d\u517c\u5bb9\u4efb\u4f55\u7f16\u7801\u3002\u4e0d\u8fc7\uff0c\u76f8\u5bf9\u4e8eiso8859-1\u7f16\u7801\u6765\u8bf4\uff0cuniocode\u7f16\u7801\u53ea\u662f\u5728\u524d\u9762\u589e\u52a0\u4e86\u4e00\u4e2a0\u5b57\u8282\uff0c\u6bd4\u5982\u5b57\u6bcd’a’\u4e3a”00 61″\u3002<\/p>\n

\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u5b9a\u957f\u7f16\u7801\u4fbf\u4e8e\u8ba1\u7b97\u673a\u5904\u7406\uff08\u6ce8\u610fGB2312\/GBK\u4e0d\u662f\u5b9a\u957f\u7f16\u7801\uff09\uff0c\u800cunicode\u53c8\u53ef\u4ee5\u7528\u6765\u8868\u793a\u6240\u6709\u5b57\u7b26\uff0c\u6240\u4ee5\u5728\u5f88\u591a\u8f6f\u4ef6\u5185\u90e8\u662f\u4f7f\u7528unicode\u7f16\u7801\u6765\u5904\u7406\u7684\uff0c\u6bd4\u5982java\u3002<\/p>\n

2.4. UTF<\/p>\n

\u8003\u8651\u5230unicode\u7f16\u7801\u4e0d\u517c\u5bb9iso8859-1\u7f16\u7801\uff0c\u800c\u4e14\u5bb9\u6613\u5360\u7528\u66f4\u591a\u7684\u7a7a\u95f4\uff1a\u56e0\u4e3a\u5bf9\u4e8e\u82f1\u6587\u5b57\u6bcd\uff0cunicode\u4e5f\u9700\u8981\u4e24\u4e2a\u5b57\u8282\u6765\u8868\u793a\u3002\u6240\u4ee5unicode\u4e0d\u4fbf\u4e8e\u4f20\u8f93\u548c\u5b58\u50a8\u3002\u56e0\u6b64\u800c\u4ea7\u751f\u4e86utf\u7f16\u7801\uff0cutf\u7f16\u7801\u517c\u5bb9iso8859-1\u7f16\u7801\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u7528\u6765\u8868\u793a\u6240\u6709\u8bed\u8a00\u7684\u5b57\u7b26\uff0c\u4e0d\u8fc7\uff0cutf\u7f16\u7801\u662f\u4e0d\u5b9a\u957f\u7f16\u7801\uff0c\u6bcf\u4e00\u4e2a\u5b57\u7b26\u7684\u957f\u5ea6\u4ece1-6\u4e2a\u5b57\u8282\u4e0d\u7b49\u3002\u53e6\u5916\uff0cutf\u7f16\u7801\u81ea\u5e26\u7b80\u5355\u7684\u6821\u9a8c\u529f\u80fd\u3002\u4e00\u822c\u6765\u8bb2\uff0c\u82f1\u6587\u5b57\u6bcd\u90fd\u662f\u7528\u4e00\u4e2a\u5b57\u8282\u8868\u793a\uff0c\u800c\u6c49\u5b57\u4f7f\u7528\u4e09\u4e2a\u5b57\u8282\u3002<\/p>\n

\u6ce8\u610f\uff0c\u867d\u7136\u8bf4utf\u662f\u4e3a\u4e86\u4f7f\u7528\u66f4\u5c11\u7684\u7a7a\u95f4\u800c\u4f7f\u7528\u7684\uff0c\u4f46\u90a3\u53ea\u662f\u76f8\u5bf9\u4e8eunicode\u7f16\u7801\u6765\u8bf4\uff0c\u5982\u679c\u5df2\u7ecf\u77e5\u9053\u662f\u6c49\u5b57\uff0c\u5219\u4f7f\u7528GB2312\/GBK\u65e0\u7591\u662f\u6700\u8282\u7701\u7684\u3002\u4e0d\u8fc7\u53e6\u4e00\u65b9\u9762\uff0c\u503c\u5f97\u8bf4\u660e\u7684\u662f\uff0c\u867d\u7136utf\u7f16\u7801\u5bf9\u6c49\u5b57\u4f7f\u75283\u4e2a\u5b57\u8282\uff0c\u4f46\u5373\u4f7f\u5bf9\u4e8e\u6c49\u5b57\u7f51\u9875\uff0cutf\u7f16\u7801\u4e5f\u4f1a\u6bd4unicode\u7f16\u7801\u8282\u7701\uff0c\u56e0\u4e3a\u7f51\u9875\u4e2d\u5305\u542b\u4e86\u5f88\u591a\u7684\u82f1\u6587\u5b57\u7b26\u3002<\/p>\n

3. java\u5bf9\u5b57\u7b26\u7684\u5904\u7406<\/p>\n

\u5728java\u5e94\u7528\u8f6f\u4ef6\u4e2d\uff0c\u4f1a\u6709\u591a\u5904\u6d89\u53ca\u5230\u5b57\u7b26\u96c6\u7f16\u7801\uff0c\u6709\u4e9b\u5730\u65b9\u9700\u8981\u8fdb\u884c\u6b63\u786e\u7684\u8bbe\u7f6e\uff0c\u6709\u4e9b\u5730\u65b9\u9700\u8981\u8fdb\u884c\u4e00\u5b9a\u7a0b\u5ea6\u7684\u5904\u7406\u3002<\/p>\n

3.1. getBytes(charset)<\/p>\n

\u8fd9\u662fjava\u5b57\u7b26\u4e32\u5904\u7406\u7684\u4e00\u4e2a\u6807\u51c6\u51fd\u6570\uff0c\u5176\u4f5c\u7528\u662f\u5c06\u5b57\u7b26\u4e32\u6240\u8868\u793a\u7684\u5b57\u7b26\u6309\u7167charset\u7f16\u7801\uff0c\u5e76\u4ee5\u5b57\u8282\u65b9\u5f0f\u8868\u793a\u3002\u6ce8\u610f\u5b57\u7b26\u4e32\u5728java\u5185\u5b58\u4e2d\u603b\u662f\u6309unicode\u7f16\u7801\u5b58\u50a8\u7684\u3002\u6bd4\u5982”\u4e2d\u6587”\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0b\uff08\u5373\u6ca1\u6709\u9519\u8bef\u7684\u65f6\u5019\uff09\u5b58\u50a8\u4e3a”4e2d 6587″\uff0c\u5982\u679ccharset\u4e3a”gbk”\uff0c\u5219\u88ab\u7f16\u7801\u4e3a”d6d0 cec4″\uff0c\u7136\u540e\u8fd4\u56de\u5b57\u8282”d6 d0 ce c4″\u3002\u5982\u679ccharset\u4e3a”utf8″\u5219\u6700\u540e\u662f”e4 b8 ad e6 96 87″\u3002\u5982\u679c\u662f”iso8859-1″\uff0c\u5219\u7531\u4e8e\u65e0\u6cd5\u7f16\u7801\uff0c\u6700\u540e\u8fd4\u56de “3f3f”\uff08\u4e24\u4e2a\u95ee\u53f7\uff09\u3002<\/p>\n

3.2. new String(charset)<\/p>\n

\u8fd9\u662fjava\u5b57\u7b26\u4e32\u5904\u7406\u7684\u53e6\u4e00\u4e2a\u6807\u51c6\u51fd\u6570\uff0c\u548c\u4e0a\u4e00\u4e2a\u51fd\u6570\u7684\u4f5c\u7528\u76f8\u53cd\uff0c\u5c06\u5b57\u8282\u6570\u7ec4\u6309\u7167charset\u7f16\u7801\u8fdb\u884c\u7ec4\u5408\u8bc6\u522b\uff0c\u6700\u540e\u8f6c\u6362\u4e3aunicode\u5b58\u50a8\u3002\u53c2\u8003\u4e0a\u8ff0getBytes\u7684\u4f8b\u5b50\uff0c”gbk” \u548c”utf8″\u90fd\u53ef\u4ee5\u5f97\u51fa\u6b63\u786e\u7684\u7ed3\u679c”4e2d 6587″\uff0c\u4f46iso8859-1\u6700\u540e\u53d8\u6210\u4e86”003f003f”\uff08\u4e24\u4e2a\u95ee\u53f7\uff09\u3002<\/p>\n

\u56e0\u4e3autf8\u53ef\u4ee5\u7528\u6765\u8868\u793a\/\u7f16\u7801\u6240\u6709\u5b57\u7b26\uff0c\u6240\u4ee5new String( str.getBytes( “utf8” ), “utf8” ) === str\uff0c\u5373\u5b8c\u5168\u53ef\u9006\u3002<\/p>\n

3.3. setCharacterEncoding()<\/p>\n

\u8be5\u51fd\u6570\u7528\u6765\u8bbe\u7f6ehttp\u8bf7\u6c42\u6216\u8005\u76f8\u5e94\u7684\u7f16\u7801\u3002<\/p>\n

\u5bf9\u4e8erequest\uff0c\u662f\u6307\u63d0\u4ea4\u5185\u5bb9\u7684\u7f16\u7801\uff0c\u6307\u5b9a\u540e\u53ef\u4ee5\u901a\u8fc7getParameter()\u5219\u76f4\u63a5\u83b7\u5f97\u6b63\u786e\u7684\u5b57\u7b26\u4e32\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\uff0c\u5219\u9ed8\u8ba4\u4f7f\u7528iso8859-1\u7f16\u7801\uff0c\u9700\u8981\u8fdb\u4e00\u6b65\u5904\u7406\u3002\u53c2\u89c1\u4e0b\u8ff0”\u8868\u5355\u8f93\u5165”\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\u5728\u6267\u884csetCharacterEncoding()\u4e4b\u524d\uff0c\u4e0d\u80fd\u6267\u884c\u4efb\u4f55getParameter()\u3002java doc\u4e0a\u8bf4\u660e\uff1aThis method must be called prior to reading request parameters or reading input using getReader()\u3002\u800c\u4e14\uff0c\u8be5\u6307\u5b9a\u53ea\u5bf9POST\u65b9\u6cd5\u6709\u6548\uff0c\u5bf9GET\u65b9\u6cd5\u65e0\u6548\u3002\u5206\u6790\u539f\u56e0\uff0c\u5e94\u8be5\u662f\u5728\u6267\u884c\u7b2c\u4e00\u4e2agetParameter()\u7684\u65f6\u5019\uff0cjava\u5c06\u4f1a\u6309\u7167\u7f16\u7801\u5206\u6790\u6240\u6709\u7684\u63d0\u4ea4\u5185\u5bb9\uff0c\u800c\u540e\u7eed\u7684getParameter()\u4e0d\u518d\u8fdb\u884c\u5206\u6790\uff0c\u6240\u4ee5setCharacterEncoding()\u65e0\u6548\u3002\u800c\u5bf9\u4e8eGET\u65b9\u6cd5\u63d0\u4ea4\u8868\u5355\u662f\uff0c\u63d0\u4ea4\u7684\u5185\u5bb9\u5728URL\u4e2d\uff0c\u4e00\u5f00\u59cb\u5c31\u5df2\u7ecf\u6309\u7167\u7f16\u7801\u5206\u6790\u6240\u6709\u7684\u63d0\u4ea4\u5185\u5bb9\uff0csetCharacterEncoding()\u81ea\u7136\u5c31\u65e0\u6548\u3002<\/p>\n

\u5bf9\u4e8eresponse\uff0c\u5219\u662f\u6307\u5b9a\u8f93\u51fa\u5185\u5bb9\u7684\u7f16\u7801\uff0c\u540c\u65f6\uff0c\u8be5\u8bbe\u7f6e\u4f1a\u4f20\u9012\u7ed9\u6d4f\u89c8\u5668\uff0c\u544a\u8bc9\u6d4f\u89c8\u5668\u8f93\u51fa\u5185\u5bb9\u6240\u91c7\u7528\u7684\u7f16\u7801\u3002<\/p>\n

3.4. \u5904\u7406\u8fc7\u7a0b<\/p>\n

\u4e0b\u9762\u5206\u6790\u4e24\u4e2a\u6709\u4ee3\u8868\u6027\u7684\u4f8b\u5b50\uff0c\u8bf4\u660ejava\u5bf9\u7f16\u7801\u6709\u5173\u95ee\u9898\u7684\u5904\u7406\u65b9\u6cd5\u3002<\/p>\n

3.4.1. \u8868\u5355\u8f93\u5165<\/p>\n

User input\u00a0 *(gbk:d6d0 cec4)\u00a0 browser\u00a0 *(gbk:d6d0 cec4)\u00a0 web server\u00a0 iso8859-1(00d6 00d 000ce00c4)\u00a0 class\uff0c\u9700\u8981\u5728class\u4e2d\u8fdb\u884c\u5904\u7406\uff1agetbytes(“iso8859-1”)\u4e3ad6 d0 ce c4\uff0cnew String(“gbk”)\u4e3ad6d0 cec4\uff0c\u5185\u5b58\u4e2d\u4ee5unicode\u7f16\u7801\u5219\u4e3a4e2d 6587\u3002<\/p>\n

\u7528\u6237\u8f93\u5165\u7684\u7f16\u7801\u65b9\u5f0f\u548c\u9875\u9762\u6307\u5b9a\u7684\u7f16\u7801\u6709\u5173\uff0c\u4e5f\u548c\u7528\u6237\u7684\u64cd\u4f5c\u7cfb\u7edf\u6709\u5173\uff0c\u6240\u4ee5\u662f\u4e0d\u786e\u5b9a\u7684\uff0c\u4e0a\u4f8b\u4ee5gbk\u4e3a\u4f8b\u3002<\/p>\n

\u4ecebrowser\u5230web server\uff0c\u53ef\u4ee5\u5728\u8868\u5355\u4e2d\u6307\u5b9a\u63d0\u4ea4\u5185\u5bb9\u65f6\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\uff0c\u5426\u5219\u4f1a\u4f7f\u7528\u9875\u9762\u6307\u5b9a\u7684\u7f16\u7801\u3002\u800c\u5982\u679c\u5728url\u4e2d\u76f4\u63a5\u7528?\u7684\u65b9\u5f0f\u8f93\u5165\u53c2\u6570\uff0c\u5219\u5176\u7f16\u7801\u5f80\u5f80\u662f\u64cd\u4f5c\u7cfb\u7edf\u672c\u8eab\u7684\u7f16\u7801\uff0c\u56e0\u4e3a\u8fd9\u65f6\u548c\u9875\u9762\u65e0\u5173\u3002\u4e0a\u8ff0\u4ecd\u65e7\u4ee5gbk\u7f16\u7801\u4e3a\u4f8b\u3002<\/p>\n

Web server\u63a5\u6536\u5230\u7684\u662f\u5b57\u8282\u6d41\uff0c\u9ed8\u8ba4\u65f6\uff08getParameter\uff09\u4f1a\u4ee5iso8859-1\u7f16\u7801\u5904\u7406\u4e4b\uff0c\u7ed3\u679c\u662f\u4e0d\u6b63\u786e\u7684\uff0c\u6240\u4ee5\u9700\u8981\u8fdb\u884c\u5904\u7406\u3002\u4f46\u5982\u679c\u9884\u5148\u8bbe\u7f6e\u4e86\u7f16\u7801\uff08\u901a\u8fc7request. setCharacterEncoding ()\uff09\uff0c\u5219\u80fd\u591f\u76f4\u63a5\u83b7\u53d6\u5230\u6b63\u786e\u7684\u7ed3\u679c\u3002<\/p>\n

l \u5728\u9875\u9762\u4e2d\u6307\u5b9a\u7f16\u7801\u662f\u4e2a\u597d\u4e60\u60ef\uff0c\u5426\u5219\u53ef\u80fd\u5931\u53bb\u63a7\u5236\uff0c\u65e0\u6cd5\u6307\u5b9a\u6b63\u786e\u7684\u7f16\u7801\u3002<\/p>\n

3.4.2. \u6587\u4ef6\u7f16\u8bd1<\/p>\n

\u5047\u8bbe\u6587\u4ef6\u662fgbk\u7f16\u7801\u4fdd\u5b58\u7684\uff0c\u800c\u7f16\u8bd1\u6709\u4e24\u79cd\u7f16\u7801\u9009\u62e9\uff1agbk\u6216\u8005iso8859-1\uff0c\u524d\u8005\u662f\u4e2d\u6587windows\u7684\u9ed8\u8ba4\u7f16\u7801\uff0c\u540e\u8005\u662flinux\u7684\u9ed8\u8ba4\u7f16\u7801\uff0c\u5f53\u7136\u4e5f\u53ef\u4ee5\u5728\u7f16\u8bd1\u65f6\u6307\u5b9a\u7f16\u7801\u3002<\/p>\n

Jsp\u00a0 *(gbk:d6d0 cec4)\u00a0 java file\u00a0 *(gbk:d6d0 cec4)\u00a0 compiler read\u00a0 uincode(gbk: 4e2d 6587; iso8859-1: 00d6 00d 000ce00c4)\u00a0 compiler write\u00a0 utf(gbk: e4b8ad e69687; iso8859-1: *)\u00a0 compiled file\u00a0 unicode(gbk: 4e2d 6587; iso8859-1: 00d6 00d 000ce00c4)\u00a0 class\u3002\u6240\u4ee5\u7528gbk\u7f16\u7801\u4fdd\u5b58\uff0c\u800c\u7528iso8859-1\u7f16\u8bd1\u7684\u7ed3\u679c\u662f\u4e0d\u6b63\u786e\u7684\u3002<\/p>\n

class\u00a0 unicode(4e2d 6587)\u00a0 system.out \/ jsp.out\u00a0 gbk(d6d0 cec4)\u00a0 os console \/ browser\u3002<\/p>\n

l \u6587\u4ef6\u53ef\u4ee5\u4ee5\u591a\u79cd\u7f16\u7801\u65b9\u5f0f\u4fdd\u5b58\uff0c\u4e2d\u6587windows\u4e0b\uff0c\u9ed8\u8ba4\u4e3aansi\/gbk\u3002<\/p>\n

l \u7f16\u8bd1\u5668\u8bfb\u53d6\u6587\u4ef6\u65f6\uff0c\u9700\u8981\u5f97\u5230\u6587\u4ef6\u7684\u7f16\u7801\uff0c\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5219\u4f7f\u7528\u7cfb\u7edf\u9ed8\u8ba4\u7f16\u7801\u3002\u4e00\u822cclass\u6587\u4ef6\uff0c\u662f\u4ee5\u7cfb\u7edf\u9ed8\u8ba4\u7f16\u7801\u4fdd\u5b58\u7684\uff0c\u6240\u4ee5\u7f16\u8bd1\u4e0d\u4f1a\u51fa\u95ee\u9898\uff0c\u4f46\u5bf9\u4e8ejsp\u6587\u4ef6\uff0c\u5982\u679c\u5728\u4e2d\u6587windows\u4e0b\u7f16\u8f91\u4fdd\u5b58\uff0c\u800c\u90e8\u7f72\u5728\u82f1\u6587linux\u4e0b\u8fd0\u884c\/\u7f16\u8bd1\uff0c\u5219\u4f1a\u51fa\u73b0\u95ee\u9898\u3002\u6240\u4ee5\u9700\u8981\u5728jsp\u6587\u4ef6\u4e2d\u7528pageEncoding\u6307\u5b9a\u7f16\u7801\u3002<\/p>\n

l Java\u7f16\u8bd1\u7684\u65f6\u5019\u4f1a\u8f6c\u6362\u6210\u7edf\u4e00\u7684unicode\u7f16\u7801\u5904\u7406\uff0c\u6700\u540e\u4fdd\u5b58\u7684\u65f6\u5019\u518d\u8f6c\u6362\u4e3autf\u7f16\u7801\u3002<\/p>\n

l \u5f53\u7cfb\u7edf\u8f93\u51fa\u5b57\u7b26\u7684\u65f6\u5019\uff0c\u4f1a\u6309\u6307\u5b9a\u7f16\u7801\u8f93\u51fa\uff0c\u5bf9\u4e8e\u4e2d\u6587windows\u4e0b\uff0cSystem.out\u5c06\u4f7f\u7528gbk\u7f16\u7801\uff0c\u800c\u5bf9\u4e8eresponse\uff08\u6d4f\u89c8\u5668\uff09\uff0c\u5219\u4f7f\u7528jsp\u6587\u4ef6\u5934\u6307\u5b9a\u7684contentType\uff0c\u6216\u8005\u53ef\u4ee5\u76f4\u63a5\u4e3aresponse\u6307\u5b9a\u7f16\u7801\u3002\u540c\u65f6\uff0c\u4f1a\u544a\u8bc9browser\u7f51\u9875\u7684\u7f16\u7801\u3002\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5219\u4f1a\u4f7f\u7528iso8859-1\u7f16\u7801\u3002\u5bf9\u4e8e\u4e2d\u6587\uff0c\u5e94\u8be5\u4e3abrowser\u6307\u5b9a\u8f93\u51fa\u5b57\u7b26\u4e32\u7684\u7f16\u7801\u3002<\/p>\n

l browser\u663e\u793a\u7f51\u9875\u7684\u65f6\u5019\uff0c\u9996\u5148\u4f7f\u7528response\u4e2d\u6307\u5b9a\u7684\u7f16\u7801\uff08jsp\u6587\u4ef6\u5934\u6307\u5b9a\u7684contentType\u6700\u7ec8\u4e5f\u53cd\u6620\u5728response\u4e0a\uff09\uff0c\u5982\u679c\u672a\u6307\u5b9a\uff0c\u5219\u4f1a\u4f7f\u7528\u7f51\u9875\u4e2dmeta\u9879\u6307\u5b9a\u4e2d\u7684contentType\u3002<\/p>\n

3.5. \u51e0\u5904\u8bbe\u7f6e<\/p>\n

\u5bf9\u4e8eweb\u5e94\u7528\u7a0b\u5e8f\uff0c\u548c\u7f16\u7801\u6709\u5173\u7684\u8bbe\u7f6e\u6216\u8005\u51fd\u6570\u5982\u4e0b\u3002<\/p>\n

3.5.1. jsp\u7f16\u8bd1<\/p>\n

\u6307\u5b9a\u6587\u4ef6\u7684\u5b58\u50a8\u7f16\u7801\uff0c\u5f88\u660e\u663e\uff0c\u8be5\u8bbe\u7f6e\u5e94\u8be5\u7f6e\u4e8e\u6587\u4ef6\u7684\u5f00\u5934\u3002\u4f8b\u5982\uff1a<%@page pageEncoding=”GBK”%>\u3002\u53e6\u5916\uff0c\u5bf9\u4e8e\u4e00\u822cclass\u6587\u4ef6\uff0c\u53ef\u4ee5\u5728\u7f16\u8bd1\u7684\u65f6\u5019\u6307\u5b9a\u7f16\u7801\u3002<\/p>\n

3.5.2. jsp\u8f93\u51fa<\/p>\n

\u6307\u5b9a\u6587\u4ef6\u8f93\u51fa\u5230browser\u662f\u4f7f\u7528\u7684\u7f16\u7801\uff0c\u8be5\u8bbe\u7f6e\u4e5f\u5e94\u8be5\u7f6e\u4e8e\u6587\u4ef6\u7684\u5f00\u5934\u3002\u4f8b\u5982\uff1a<%@ page contentType=”text\/html; charset= GBK” %>\u3002\u8be5\u8bbe\u7f6e\u548cresponse.setCharacterEncoding(“GBK”)\u7b49\u6548\u3002<\/p>\n

3.5.3. meta\u8bbe\u7f6e<\/p>\n

\u6307\u5b9a\u7f51\u9875\u4f7f\u7528\u7684\u7f16\u7801\uff0c\u8be5\u8bbe\u7f6e\u5bf9\u9759\u6001\u7f51\u9875\u5c24\u5176\u6709\u4f5c\u7528\u3002\u56e0\u4e3a\u9759\u6001\u7f51\u9875\u65e0\u6cd5\u91c7\u7528jsp\u7684\u8bbe\u7f6e\uff0c\u800c\u4e14\u4e5f\u65e0\u6cd5\u6267\u884cresponse.setCharacterEncoding()\u3002\u4f8b\u5982\uff1a<METAhttp-equiv=”Content-Type” content=”text\/html; charset=GBK” \/><\/p>\n

\u5982\u679c\u540c\u65f6\u91c7\u7528\u4e86jsp\u8f93\u51fa\u548cmeta\u8bbe\u7f6e\u4e24\u79cd\u7f16\u7801\u6307\u5b9a\u65b9\u5f0f\uff0c\u5219jsp\u6307\u5b9a\u7684\u4f18\u5148\u3002\u56e0\u4e3ajsp\u6307\u5b9a\u7684\u76f4\u63a5\u4f53\u73b0\u5728response\u4e2d\u3002<\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0capache\u6709\u4e00\u4e2a\u8bbe\u7f6e\u53ef\u4ee5\u7ed9\u65e0\u7f16\u7801\u6307\u5b9a\u7684\u7f51\u9875\u6307\u5b9a\u7f16\u7801\uff0c\u8be5\u6307\u5b9a\u7b49\u540c\u4e8ejsp\u7684\u7f16\u7801\u6307\u5b9a\u65b9\u5f0f\uff0c\u6240\u4ee5\u4f1a\u8986\u76d6\u9759\u6001\u7f51\u9875\u4e2d\u7684meta\u6307\u5b9a\u3002\u6240\u4ee5\u6709\u4eba\u5efa\u8bae\u5173\u95ed\u8be5\u8bbe\u7f6e\u3002<\/p>\n

3.5.4. form\u8bbe\u7f6e<\/p>\n

\u5f53\u6d4f\u89c8\u5668\u63d0\u4ea4\u8868\u5355\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u6307\u5b9a\u76f8\u5e94\u7684\u7f16\u7801\u3002\u4f8b\u5982\uff1a<form accept-charset= “gb2312″>\u3002\u4e00\u822c\u4e0d\u5fc5\u4e0d\u4f7f\u7528\u8be5\u8bbe\u7f6e\uff0c\u6d4f\u89c8\u5668\u4f1a\u76f4\u63a5\u4f7f\u7528\u7f51\u9875\u7684\u7f16\u7801\u3002<\/p>\n

4. \u7cfb\u7edf\u8f6f\u4ef6<\/p>\n

\u4e0b\u9762\u8ba8\u8bba\u51e0\u4e2a\u76f8\u5173\u7684\u7cfb\u7edf\u8f6f\u4ef6\u3002<\/p>\n

4.1. mysql\u6570\u636e\u5e93<\/p>\n

\u5f88\u660e\u663e\uff0c\u8981\u652f\u6301\u591a\u8bed\u8a00\uff0c\u5e94\u8be5\u5c06\u6570\u636e\u5e93\u7684\u7f16\u7801\u8bbe\u7f6e\u6210utf\u6216\u8005unicode\uff0c\u800cutf\u66f4\u9002\u5408\u4e0e\u5b58\u50a8\u3002\u4f46\u662f\uff0c\u5982\u679c\u4e2d\u6587\u6570\u636e\u4e2d\u5305\u542b\u7684\u82f1\u6587\u5b57\u6bcd\u5f88\u5c11\uff0c\u5176\u5b9eunicode\u66f4\u4e3a\u9002\u5408\u3002<\/p>\n

\u6570\u636e\u5e93\u7684\u7f16\u7801\u53ef\u4ee5\u901a\u8fc7mysql\u7684\u914d\u7f6e\u6587\u4ef6\u8bbe\u7f6e\uff0c\u4f8b\u5982default-character-set=utf8\u3002\u8fd8\u53ef\u4ee5\u5728\u6570\u636e\u5e93\u94fe\u63a5URL\u4e2d\u8bbe\u7f6e\uff0c\u4f8b\u5982\uff1a useUnicode=true&characterEncoding=UTF-8\u3002\u6ce8\u610f\u8fd9\u4e24\u8005\u5e94\u8be5\u4fdd\u6301\u4e00\u81f4\uff0c\u5728\u65b0\u7684sql\u7248\u672c\u91cc\uff0c\u5728\u6570\u636e\u5e93\u94fe\u63a5URL\u91cc\u53ef\u4ee5\u4e0d\u8fdb\u884c\u8bbe\u7f6e\uff0c\u4f46\u4e5f\u4e0d\u80fd\u662f\u9519\u8bef\u7684\u8bbe\u7f6e\u3002<\/p>\n

4.2. apache<\/p>\n

appache\u548c\u7f16\u7801\u6709\u5173\u7684\u914d\u7f6e\u5728httpd.conf\u4e2d\uff0c\u4f8b\u5982AddDefaultCharset UTF-8\u3002\u5982\u524d\u6240\u8ff0\uff0c\u8be5\u529f\u80fd\u4f1a\u5c06\u6240\u6709\u9759\u6001\u9875\u9762\u7684\u7f16\u7801\u8bbe\u7f6e\u4e3aUTF-8\uff0c\u6700\u597d\u5173\u95ed\u8be5\u529f\u80fd\u3002<\/p>\n

\u53e6\u5916\uff0capache\u8fd8\u6709\u5355\u72ec\u7684\u6a21\u5757\u6765\u5904\u7406\u7f51\u9875\u54cd\u5e94\u5934\uff0c\u5176\u4e2d\u4e5f\u53ef\u80fd\u5bf9\u7f16\u7801\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n

4.3. linux\u9ed8\u8ba4\u7f16\u7801<\/p>\n

\u8fd9\u91cc\u6240\u8bf4\u7684linux\u9ed8\u8ba4\u7f16\u7801\uff0c\u662f\u6307\u8fd0\u884c\u65f6\u7684\u73af\u5883\u53d8\u91cf\u3002\u4e24\u4e2a\u91cd\u8981\u7684\u73af\u5883\u53d8\u91cf\u662fLC_ALL\u548cLANG\uff0c\u9ed8\u8ba4\u7f16\u7801\u4f1a\u5f71\u54cd\u5230java URLEncode\u7684\u884c\u4e3a\uff0c\u4e0b\u9762\u6709\u63cf\u8ff0\u3002<\/p>\n

\u5efa\u8bae\u90fd\u8bbe\u7f6e\u4e3a”zh_CN.UTF-8″\u3002<\/p>\n

4.4. \u5176\u5b83<\/p>\n

\u4e3a\u4e86\u652f\u6301\u4e2d\u6587\u6587\u4ef6\u540d\uff0clinux\u5728\u52a0\u8f7d\u78c1\u76d8\u65f6\u5e94\u8be5\u6307\u5b9a\u5b57\u7b26\u96c6\uff0c\u4f8b\u5982\uff1amount \/dev\/hda5 \/mnt\/hda5\/ -t ntfs -o iocharset=gb2312\u3002<\/p>\n

\u53e6\u5916\uff0c\u5982\u524d\u6240\u8ff0\uff0c\u4f7f\u7528GET\u65b9\u6cd5\u63d0\u4ea4\u7684\u4fe1\u606f\u4e0d\u652f\u6301request.setCharacterEncoding()\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7tomcat\u7684\u914d\u7f6e\u6587\u4ef6\u6307\u5b9a\u5b57\u7b26\u96c6\uff0c\u5728tomcat\u7684server.xml\u6587\u4ef6\u4e2d\uff0c\u5f62\u5982\uff1a<Connector … URIEncoding=”GBK”\/>\u3002\u8fd9\u79cd\u65b9\u6cd5\u5c06\u7edf\u4e00\u8bbe\u7f6e\u6240\u6709\u8bf7\u6c42\uff0c\u800c\u4e0d\u80fd\u9488\u5bf9\u5177\u4f53\u9875\u9762\u8fdb\u884c\u8bbe\u7f6e\uff0c\u4e5f\u4e0d\u4e00\u5b9a\u548cbrowser\u4f7f\u7528\u7684\u7f16\u7801\u76f8\u540c\uff0c\u6240\u4ee5\u6709\u65f6\u5019\u5e76\u4e0d\u662f\u6240\u671f\u671b\u7684\u3002<\/p>\n

5. URL\u5730\u5740<\/p>\n

URL\u5730\u5740\u4e2d\u542b\u6709\u4e2d\u6587\u5b57\u7b26\u662f\u5f88\u9ebb\u70e6\u7684\uff0c\u524d\u9762\u63cf\u8ff0\u8fc7\u4f7f\u7528GET\u65b9\u6cd5\u63d0\u4ea4\u8868\u5355\u7684\u60c5\u51b5\uff0c\u4f7f\u7528GET\u65b9\u6cd5\u65f6\uff0c\u53c2\u6570\u5c31\u662f\u5305\u542b\u5728URL\u4e2d\u3002<\/p>\n

5.1. URL\u7f16\u7801<\/p>\n

\u5bf9\u4e8eURL\u4e2d\u7684\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u6d4f\u89c8\u5668\u4f1a\u81ea\u52a8\u8fdb\u884c\u7f16\u7801\u3002\u8fd9\u4e9b\u5b57\u7b26\u9664\u4e86”\/?&”\u7b49\u5916\uff0c\u8fd8\u5305\u62ecunicode\u5b57\u7b26\uff0c\u6bd4\u5982\u6c49\u5b50\u3002\u8fd9\u65f6\u7684\u7f16\u7801\u6bd4\u8f83\u7279\u6b8a\u3002<\/p>\n

IE\u6709\u4e00\u4e2a\u9009\u9879”\u603b\u662f\u4f7f\u7528UTF-8\u53d1\u9001URL”\uff0c\u5f53\u8be5\u9009\u9879\u6709\u6548\u65f6\uff0cIE\u5c06\u4f1a\u5bf9\u7279\u6b8a\u5b57\u7b26\u8fdb\u884cUTF-8\u7f16\u7801\uff0c\u540c\u65f6\u8fdb\u884cURL\u7f16\u7801\u3002\u5982\u679c\u6539\u9009\u9879\u65e0\u6548\uff0c\u5219\u4f7f\u7528\u9ed8\u8ba4\u7f16\u7801”GBK”\uff0c\u5e76\u4e14\u4e0d\u8fdb\u884cURL\u7f16\u7801\u3002\u4f46\u662f\uff0c\u5bf9\u4e8eURL\u540e\u9762\u7684\u53c2\u6570\uff0c\u5219\u603b\u662f\u4e0d\u8fdb\u884c\u7f16\u7801\uff0c\u76f8\u5f53\u4e8eUTF-8\u9009\u9879\u65e0\u6548\u3002\u6bd4\u5982”\u4e2d\u6587.html?a=\u4e2d\u6587”\uff0c\u5f53UTF-8\u9009\u9879\u6709\u6548\u65f6\uff0c\u5c06\u53d1\u9001\u94fe\u63a5”%e4%b8%ad%e6%96%87.html?a=\\x4e\\x2d\\x65\\x87″\uff1b\u800cUTF-8\u9009\u9879\u65e0\u6548\u65f6\uff0c\u5c06\u53d1\u9001\u94fe\u63a5”\\x4e\\x2d\\x65\\x87.html?a=\\x4e\\x2d\\x65\\x87″\u3002\u6ce8\u610f\u540e\u8005\u524d\u9762\u7684”\u4e2d\u6587”\u4e24\u4e2a\u5b57\u53ea\u67094\u4e2a\u5b57\u8282\uff0c\u800c\u524d\u8005\u5374\u670918\u4e2a\u5b57\u8282\uff0c\u8fd9\u4e3b\u8981\u65f6URL\u7f16\u7801\u7684\u539f\u56e0\u3002<\/p>\n

\u5f53web server\uff08tomcat\uff09\u63a5\u6536\u5230\u8be5\u94fe\u63a5\u65f6\uff0c\u5c06\u4f1a\u8fdb\u884cURL\u89e3\u7801\uff0c\u5373\u53bb\u6389”%”\uff0c\u540c\u65f6\u6309\u7167ISO8859-1\u7f16\u7801\uff08\u4e0a\u9762\u5df2\u7ecf\u63cf\u8ff0\uff0c\u53ef\u4ee5\u4f7f\u7528URLEncoding\u6765\u8bbe\u7f6e\u6210\u5176\u5b83\u7f16\u7801\uff09\u8bc6\u522b\u3002\u4e0a\u8ff0\u4f8b\u5b50\u7684\u7ed3\u679c\u5206\u522b\u662f”\\ue4\\ub8\\uad\\ue6\\u96\\u87.html?a=\\u4e\\u2d\\u65\\u87″\u548c”\\u4e\\u2d\\u65\\u87.html?a=\\u4e\\u2d\\u65\\u87″\uff0c\u6ce8\u610f\u524d\u8005\u524d\u9762\u7684”\u4e2d\u6587”\u4e24\u4e2a\u5b57\u6062\u590d\u6210\u4e866\u4e2a\u5b57\u7b26\u3002\u8fd9\u91cc\u7528”\\u”\uff0c\u8868\u793a\u662funicode\u3002<\/p>\n

\u6240\u4ee5\uff0c\u7531\u4e8e\u5ba2\u6237\u7aef\u8bbe\u7f6e\u7684\u4e0d\u540c\uff0c\u76f8\u540c\u7684\u94fe\u63a5\uff0c\u5728\u670d\u52a1\u5668\u4e0a\u5f97\u5230\u4e86\u4e0d\u540c\u7ed3\u679c\u3002\u8fd9\u4e2a\u95ee\u9898\u4e0d\u5c11\u4eba\u90fd\u9047\u5230\uff0c\u5374\u6ca1\u6709\u5f88\u597d\u7684\u89e3\u51b3\u529e\u6cd5\u3002\u6240\u4ee5\u6709\u7684\u7f51\u7ad9\u4f1a\u5efa\u8bae\u7528\u6237\u5c1d\u8bd5\u5173\u95edUTF-8\u9009\u9879\u3002\u4e0d\u8fc7\uff0c\u4e0b\u9762\u4f1a\u63cf\u8ff0\u4e00\u4e2a\u66f4\u597d\u7684\u5904\u7406\u529e\u6cd5\u3002<\/p>\n

5.2. rewrite<\/p>\n

\u719f\u6089\u7684\u4eba\u90fd\u77e5\u9053\uff0capache\u6709\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684rewrite\u6a21\u5757\uff0c\u8fd9\u91cc\u4e0d\u63cf\u8ff0\u5176\u529f\u80fd\u3002\u9700\u8981\u8bf4\u660e\u7684\u662f\u8be5\u6a21\u5757\u4f1a\u81ea\u52a8\u5c06URL\u89e3\u7801\uff08\u53bb\u9664%\uff09\uff0c\u5373\u5b8c\u6210\u4e0a\u8ff0web server\uff08tomcat\uff09\u7684\u90e8\u5206\u529f\u80fd\u3002\u6709\u76f8\u5173\u6587\u6863\u4ecb\u7ecd\u8bf4\u53ef\u4ee5\u4f7f\u7528[NE]\u53c2\u6570\u6765\u5173\u95ed\u8be5\u529f\u80fd\uff0c\u4f46\u6211\u8bd5\u9a8c\u5e76\u672a\u6210\u529f\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u7248\u672c\uff08\u6211\u4f7f\u7528\u7684\u662fapache2.0.54\uff09\u95ee\u9898\u3002\u53e6\u5916\uff0c\u5f53\u53c2\u6570\u4e2d\u542b\u6709”?& “\u7b49\u7b26\u53f7\u7684\u65f6\u5019\uff0c\u8be5\u529f\u80fd\u5c06\u5bfc\u81f4\u7cfb\u7edf\u5f97\u4e0d\u5230\u6b63\u5e38\u7ed3\u679c\u3002<\/p>\n

rewrite\u672c\u8eab\u4f3c\u4e4e\u5b8c\u5168\u662f\u91c7\u7528\u5b57\u8282\u5904\u7406\u7684\u65b9\u5f0f\uff0c\u800c\u4e0d\u8003\u8651\u5b57\u7b26\u4e32\u7684\u7f16\u7801\uff0c\u6240\u4ee5\u4e0d\u4f1a\u5e26\u6765\u7f16\u7801\u95ee\u9898\u3002<\/p>\n

5.3. URLEncode.encode()<\/p>\n

\u8fd9\u662fJava\u672c\u8eab\u63d0\u4f9b\u5bf9\u7684URL\u7f16\u7801\u51fd\u6570\uff0c\u5b8c\u6210\u7684\u5de5\u4f5c\u548c\u4e0a\u8ff0UTF-8\u9009\u9879\u6709\u6548\u65f6\u6d4f\u89c8\u5668\u6240\u505a\u7684\u5de5\u4f5c\u76f8\u4f3c\u3002\u503c\u5f97\u8bf4\u660e\u7684\u662f\uff0cjava\u5df2\u7ecf\u4e0d\u8d5e\u6210\u4e0d\u6307\u5b9a\u7f16\u7801\u6765\u4f7f\u7528\u8be5\u65b9\u6cd5\uff08deprecated\uff09\u3002\u5e94\u8be5\u5728\u4f7f\u7528\u7684\u65f6\u5019\u589e\u52a0\u7f16\u7801\u6307\u5b9a\u3002<\/p>\n

\u5f53\u4e0d\u6307\u5b9a\u7f16\u7801\u7684\u65f6\u5019\uff0c\u8be5\u65b9\u6cd5\u4f7f\u7528\u7cfb\u7edf\u9ed8\u8ba4\u7f16\u7801\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u8f6f\u4ef6\u8fd0\u884c\u7ed3\u679c\u5f97\u4e0d\u786e\u5b9a\u3002\u6bd4\u5982\u5bf9\u4e8e”\u4e2d\u6587”\uff0c\u5f53\u7cfb\u7edf\u9ed8\u8ba4\u7f16\u7801\u4e3a”gb2312″\u65f6\uff0c\u7ed3\u679c\u662f”%4e%2d%65%87″\uff0c\u800c\u9ed8\u8ba4\u7f16\u7801\u4e3a”UTF-8″\uff0c\u7ed3\u679c\u5374\u662f”%e4%b8%ad%e6%96%87″\uff0c\u540e\u7eed\u7a0b\u5e8f\u5c06\u96be\u4ee5\u5904\u7406\u3002\u53e6\u5916\uff0c\u8fd9\u513f\u8bf4\u7684\u7cfb\u7edf\u9ed8\u8ba4\u7f16\u7801\u662f\u7531\u8fd0\u884ctomcat\u65f6\u7684\u73af\u5883\u53d8\u91cfLC_ALL\u548cLANG\u7b49\u51b3\u5b9a\u7684\uff0c\u66fe\u7ecf\u51fa\u73b0\u8fc7tomcat\u91cd\u542f\u540e\u5c31\u51fa\u73b0\u4e71\u7801\u7684\u95ee\u9898\uff0c\u6700\u540e\u624d\u90c1\u95f7\u7684\u53d1\u73b0\u662f\u56e0\u4e3a\u4fee\u6539\u4fee\u6539\u4e86\u8fd9\u4e24\u4e2a\u73af\u5883\u53d8\u91cf\u3002<\/p>\n

\u5efa\u8bae\u7edf\u4e00\u6307\u5b9a\u4e3a”UTF-8″\u7f16\u7801\uff0c\u53ef\u80fd\u9700\u8981\u4fee\u6539\u76f8\u5e94\u7684\u7a0b\u5e8f\u3002<\/p>\n

6. \u5176\u5b83<\/p>\n

\u4e0b\u9762\u63cf\u8ff0\u4e00\u4e9b\u548c\u7f16\u7801\u6709\u5173\u7684\u5176\u4ed6\u95ee\u9898\u3002<\/p>\n

6.1. SecureCRT<\/p>\n

\u9664\u4e86\u6d4f\u89c8\u5668\u548c\u63a7\u5236\u53f0\u4e0e\u7f16\u7801\u6709\u5173\u5916\uff0c\u4e00\u4e9b\u5ba2\u6237\u7aef\u4e5f\u5f88\u6709\u5173\u7cfb\u3002\u6bd4\u5982\u5728\u4f7f\u7528SecureCRT\u8fde\u63a5linux\u65f6\uff0c\u5e94\u8be5\u8ba9SecureCRT\u7684\u663e\u793a\u7f16\u7801\uff08\u4e0d\u540c\u7684session\uff0c\u53ef\u4ee5\u6709\u4e0d\u540c\u7684\u7f16\u7801\u8bbe\u7f6e\uff09\u548clinux\u7684\u7f16\u7801\u73af\u5883\u53d8\u91cf\u4fdd\u6301\u4e00\u81f4\u3002\u5426\u5219\u770b\u5230\u7684\u4e00\u4e9b\u5e2e\u52a9\u4fe1\u606f\uff0c\u5c31\u53ef\u80fd\u662f\u4e71\u7801\u3002<\/p>\n

\u53e6\u5916\uff0cmysql\u6709\u81ea\u5df1\u7684\u7f16\u7801\u8bbe\u7f6e\uff0c\u4e5f\u5e94\u8be5\u4fdd\u6301\u548cSecureCRT\u7684\u663e\u793a\u7f16\u7801\u4e00\u81f4\u3002\u5426\u5219\u901a\u8fc7SecureCRT\u6267\u884csql\u8bed\u53e5\u7684\u65f6\u5019\uff0c\u53ef\u80fd\u65e0\u6cd5\u5904\u7406\u4e2d\u6587\u5b57\u7b26\uff0c\u67e5\u8be2\u7ed3\u679c\u4e5f\u4f1a\u51fa\u73b0\u4e71\u7801\u3002<\/p>\n

\u5bf9\u4e8eUtf-8\u6587\u4ef6\uff0c\u5f88\u591a\u7f16\u8f91\u5668\uff08\u6bd4\u5982\u8bb0\u4e8b\u672c\uff09\u4f1a\u5728\u6587\u4ef6\u5f00\u5934\u589e\u52a0\u4e09\u4e2a\u4e0d\u53ef\u89c1\u7684\u6807\u5fd7\u5b57\u8282\uff0c\u5982\u679c\u4f5c\u4e3amysql\u7684\u8f93\u5165\u6587\u4ef6\uff0c\u5219\u5fc5\u987b\u8981\u53bb\u6389\u8fd9\u4e09\u4e2a\u5b57\u7b26\u3002\uff08\u7528linux\u7684vi\u4fdd\u5b58\u53ef\u4ee5\u53bb\u6389\u8fd9\u4e09\u4e2a\u5b57\u7b26\uff09\u3002\u4e00\u4e2a\u6709\u8da3\u7684\u73b0\u8c61\u662f\uff0c\u5728\u4e2d\u6587windows\u4e0b\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0txt\u6587\u4ef6\uff0c\u7528\u8bb0\u4e8b\u672c\u6253\u5f00\uff0c\u8f93\u5165”\u8fde\u901a”\u4e24\u4e2a\u5b57\uff0c\u4fdd\u5b58\uff0c\u518d\u6253\u5f00\uff0c\u4f60\u4f1a\u53d1\u73b0\u4e24\u4e2a\u5b57\u6ca1\u4e86\uff0c\u53ea\u7559\u4e0b\u4e00\u4e2a\u5c0f\u9ed1\u70b9\u3002<\/p>\n

6.2. \u8fc7\u6ee4\u5668<\/p>\n

\u5982\u679c\u9700\u8981\u7edf\u4e00\u8bbe\u7f6e\u7f16\u7801\uff0c\u5219\u901a\u8fc7filter\u8fdb\u884c\u8bbe\u7f6e\u662f\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002\u5728filter class\u4e2d\uff0c\u53ef\u4ee5\u7edf\u4e00\u4e3a\u9700\u8981\u7684\u8bf7\u6c42\u6216\u8005\u56de\u5e94\u8bbe\u7f6e\u7f16\u7801\u3002\u53c2\u52a0\u4e0a\u8ff0setCharacterEncoding()\u3002\u8fd9\u4e2a\u7c7bapache\u5df2\u7ecf\u7ed9\u51fa\u4e86\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u7684\u4f8b\u5b50SetCharacterEncodingFilter\u3002<\/p>\n

6.3. POST\u548cGET<\/p>\n

\u5f88\u660e\u663e\uff0c\u4ee5POST\u63d0\u4ea4\u4fe1\u606f\u65f6\uff0cURL\u6709\u66f4\u597d\u7684\u53ef\u8bfb\u6027\uff0c\u800c\u4e14\u53ef\u4ee5\u65b9\u4fbf\u7684\u4f7f\u7528setCharacterEncoding()\u6765\u5904\u7406\u5b57\u7b26\u96c6\u95ee\u9898\u3002\u4f46GET\u65b9\u6cd5\u5f62\u6210\u7684URL\u80fd\u591f\u66f4\u5bb9\u6613\u8868\u8fbe\u7f51\u9875\u7684\u5b9e\u9645\u5185\u5bb9\uff0c\u4e5f\u80fd\u591f\u7528\u4e8e\u6536\u85cf\u3002<\/p>\n

\u4ece\u7edf\u4e00\u7684\u89d2\u5ea6\u8003\u8651\u95ee\u9898\uff0c\u5efa\u8bae\u91c7\u7528GET\u65b9\u6cd5\uff0c\u8fd9\u8981\u6c42\u5728\u7a0b\u5e8f\u4e2d\u83b7\u5f97\u53c2\u6570\u662f\u8fdb\u884c\u7279\u6b8a\u5904\u7406\uff0c\u800c\u65e0\u6cd5\u4f7f\u7528setCharacterEncoding()\u7684\u4fbf\u5229\uff0c\u5982\u679c\u4e0d\u8003\u8651rewrite\uff0c\u5c31\u4e0d\u5b58\u5728IE\u7684UTF-8\u95ee\u9898\uff0c\u53ef\u4ee5\u8003\u8651\u901a\u8fc7\u8bbe\u7f6eURIEncoding\u6765\u65b9\u4fbf\u83b7\u53d6URL\u4e2d\u7684\u53c2\u6570\u3002<\/p>\n

6.4. \u7b80\u7e41\u4f53\u7f16\u7801\u8f6c\u6362<\/p>\n

GBK\u540c\u65f6\u5305\u542b\u7b80\u4f53\u548c\u7e41\u4f53\u7f16\u7801\uff0c\u4e5f\u5c31\u662f\u8bf4\u540c\u4e00\u4e2a\u5b57\uff0c\u7531\u4e8e\u7f16\u7801\u4e0d\u540c\uff0c\u5728GBK\u7f16\u7801\u4e0b\u5c5e\u4e8e\u4e24\u4e2a\u5b57\u3002\u6709\u65f6\u5019\uff0c\u4e3a\u4e86\u6b63\u786e\u53d6\u5f97\u5b8c\u6574\u7684\u7ed3\u679c\uff0c\u5e94\u8be5\u5c06\u7e41\u4f53\u548c\u7b80\u4f53\u8fdb\u884c\u7edf\u4e00\u3002\u53ef\u4ee5\u8003\u8651\u5c06UTF\u3001GBK\u4e2d\u7684\u6240\u6709\u7e41\u4f53\u5b57\uff0c\u8f6c\u6362\u4e3a\u76f8\u5e94\u7684\u7b80\u4f53\u5b57\uff0cBIG5\u7f16\u7801\u7684\u6570\u636e\uff0c\u4e5f\u5e94\u8be5\u8f6c\u5316\u6210\u76f8\u5e94\u7684\u7b80\u4f53\u5b57\u3002\u5f53\u7136\uff0c\u4ecd\u65e7\u4ee5UTF\u7f16\u7801\u5b58\u50a8\u3002<\/p>\n

\u4f8b\u5982\uff0c\u5bf9\u4e8e”\u8bed\u8a00 \u8a9e\u8a00”\uff0c\u7528UTF\u8868\u793a\u4e3a”\\xE8\\xAF\\xAD\\xE8\\xA8\\x80 \\xE8\\xAA\\x9E\\xE8\\xA8\\x80″\uff0c\u8fdb\u884c\u7b80\u7e41\u4f53\u7f16\u7801\u8f6c\u6362\u540e\u5e94\u8be5\u662f\u4e24\u4e2a\u76f8\u540c\u7684 “\\xE8\\xAF\\xAD\\xE8\\xA8\\x80>”\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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