{"id":30567,"date":"2024-11-25T13:26:23","date_gmt":"2024-11-25T05:26:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/30567\/"},"modified":"2024-11-25T13:26:23","modified_gmt":"2024-11-25T05:26:23","slug":"%e6%8e%a8%e8%8d%9010%e6%ac%betan%e6%ba%90%e7%a0%81%ef%bc%88%e6%94%b6%e8%97%8f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/30567\/","title":{"rendered":"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09"},"content":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u6536\u96c6\u4e8610\u7bc7\u5173\u4e8ephp atan()\u51fd\u6570\u7684\u6587\u7ae01. php\u6570\u5b66\u8fd0\u7b97\u51fd\u6570\u5927\u6c47\u603b\u7ecf\u5178\u503c\u5f97\u6536\u85cf html\u8c03\u7528php\u51fd\u6570 excel\u51fd\u6570 \u4e8c\u6b21\u51fd\u7b80\u4ecb\uff1aphp,\u51fd\u6570:php\u6570\u5b66\u8fd0\u7b97\u51fd\u6570\u5927\u6c47\u603b\u7ecf\u5178\u503c\u5f97\u6536\u85cf\uff1a\u672c\u6587\u6c47\u603b\u5206\u6790\u4e86php\u6570\u5b66\u8fd0\u7b97\u51fd\u6570\u3002\u5206\u4eab\u7ed9\u5927\u5bb6\u4f9b\u5927\u5bb6\u53c2\u8003\uff0c\u5177\u4f53\u5982\u4e0b\uff1a\u4e00\u3001\u5e38\u7528\u51fd\u6570\u8bf4\u660e\uff1aabs: \u53d6\u5f97\u7edd\u5bf9\u503c\u3002acos: \u53d6\u5f97\u53cd\u4f59\u5f26\u503c\u3002asin: \u53d6\u5f97\u53cd\u6b63\u5f26\u503c\u3002atan: \u53d6\u5f97\u53cd\u6b63\u5207\u503c\u3002atan2: \u8ba1\u7b97\u4e8c\u6570\u7684\u53cd\u6b63\u5207\u503c\u3002base_convert: \u8f6c\u6362\u6570\u5b57\u7684\u8fdb\u4f4d\u65b9\u5f0f\u3002bindec: \u4e8c\u8fdb\u4f4d\u8f6c\u6210\u5341\u8fdb\u4f4d\u3002ceil: \u8ba1\u7b97\u5927\u4e8e\u6307\u5b9a\u6570\u7684\u6700\u5c0f\u6574\u6570\u3002cos: \u4f59\u5f26\u8ba1\u7b97\u3002decbin: \u5341\u8fdb\u4f4d\u8f6c\u4e8c\u8fdb\u4f4d\u3002deche2. \u67f1\u72b6\u56fe php \u67f1\u72b6\u56fe\u5b9e\u73b0\u4ee3\u7801\u7b80\u4ecb\uff1a\u67f1\u72b6\u56fe:\u67f1\u72b6\u56fe php \u67f1\u72b6\u56fe\u5b9e\u73b0\u4ee3\u7801\uff1a\u8fd8\u6709\u7591\u95ee\u7684\u670b\u53cb\u53ef\u4ee5\u52a0\u6211qq\uff1a460634320\uff0c\u5927\u5bb6\u4e00\u8d77\u8ba8\u8bba\u3002 \u6548\u679c\u56fe\uff1a\u590d\u5236\u4ee3\u7801 \u4ee3\u7801\u5982\u4e0b: <\/p>\n<p><span style=\"line-height: 1.76em\">1. <\/span><\/p>\n<p><span style=\"line-height: 1.76em\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/006\/534cc947ca2b297f6979160207c00e96.jpg\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe\" alt=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe\" \/><\/span><\/p>\n<p><span style=\"line-height: 1.76em\">\u7b80\u4ecb\uff1a\u672c\u7bc7\u6587\u7ae0\u6536\u96c6\u4e8610\u7bc7\u5173\u4e8ephp atan()\u51fd\u6570\u7684\u6587\u7ae01. PHP\u6570\u5b66\u8fd0\u7b97\u51fd\u6570\u5927\u6c47\u603b\u7ecf\u5178\u503c\u5f97\u6536\u85cf html\u8c03\u7528php\u51fd\u6570 excel\u51fd\u6570 \u4e8c\u6b21\u51fd\u7b80\u4ecb\uff1aphp,\u51fd\u6570:PHP\u6570\u5b66\u8fd0\u7b97\u51fd\u6570\u5927\u6c47\u603b\u7ecf\u5178\u503c\u5f97\u6536\u85cf\uff1a\u672c\u6587\u6c47\u603b\u5206\u6790\u4e86PHP\u6570\u5b66\u8fd0\u7b97\u51fd\u6570\u3002\u5206\u4eab\u7ed9\u5927\u5bb6\u4f9b\u5927\u5bb6\u53c2\u8003\uff0c\u5177\u4f53\u5982\u4e0b\uff1a\u4e00\u3001\u5e38\u7528\u51fd\u6570\u8bf4\u660e\uff1aAbs: \u53d6\u5f97\u7edd\u5bf9\u503c\u3002Acos: \u53d6\u5f97\u53cd\u4f59\u5f26\u503c\u3002Asin: \u53d6\u5f97\u53cd\u6b63\u5f26\u503c\u3002Atan: \u53d6\u5f97\u53cd\u6b63\u5207\u503c\u3002Atan2: &#8230;<\/span><\/p>\n<p><span style=\"line-height: 1.76em\">2. <\/span><\/p>\n<p><span style=\"line-height: 1.76em\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/008\/d7e6ebdde59ab877185f32a28f1f6537.png\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe1\" alt=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe1\" \/><\/span><\/p>\n<p><span style=\"line-height: 1.76em\">\u7b80\u4ecb\uff1agithttps:\/\/github.com\/sea-boat\/mysql-protocol\u6982\u51b5server\u72b6\u6001\u6807\u8bc6\u3002\u66f4\u591a\u8be6\u60c5 \uff1a&nbsp;https:\/\/dev.mysql.com\/doc\/internals\/en\/status-flags.htmlServerStatus\u7c7bpackage&nbsp;com.seaboat.mysql.protocol.constant;\/**&nbsp;*&#8230;<\/span><\/p>\n<p><span style=\"line-height: 1.76em\">3. <\/span><\/p>\n<p><span style=\"line-height: 1.76em\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/194\/791ae5aa168a88fcf1b91e740cd8ae35.jpg\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe2\" alt=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe2\" \/><\/span><\/p>\n<p><span style=\"line-height: 1.76em\">\u7b80\u4ecb\uff1a\u672c\u7bc7\u6587\u7ae0\u6536\u96c6\u4e86\u51e0\u7bc7\u6709\u5173php atan2()\u51fd\u6570\u7684\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u6536\u770b1. PHP\u6570\u5b66\u8fd0\u7b97\u51fd\u6570\u5927\u6c47\u603b\u7ecf\u5178\u503c\u5f97\u6536\u85cf html\u8c03\u7528php\u51fd\u6570 excel\u51fd\u6570 \u4e8c\u6b21\u51fd\u7b80\u4ecb\uff1aphp,\u51fd\u6570:PHP\u6570\u5b66\u8fd0\u7b97\u51fd\u6570\u5927\u6c47\u603b\u7ecf\u5178\u503c\u5f97\u6536\u85cf\uff1a\u672c\u6587\u6c47\u603b\u5206\u6790\u4e86PHP\u6570\u5b66\u8fd0\u7b97\u51fd\u6570\u3002\u5206\u4eab\u7ed9\u5927\u5bb6\u4f9b\u5927\u5bb6\u53c2\u8003\uff0c\u5177\u4f53\u5982\u4e0b\uff1a\u4e00\u3001\u5e38\u7528\u51fd\u6570\u8bf4\u660e\uff1aAbs: \u53d6\u5f97\u7edd\u5bf9\u503c\u3002Acos: \u53d6\u5f97\u53cd\u4f59\u5f26\u503c\u3002Asin: \u53d6\u5f97\u53cd\u6b63\u5f26\u503c\u3002Atan: \u53d6\u5f97\u53cd\u6b63\u5207\u503c\u3002&#8230;<\/span><\/p>\n<p><span style=\"line-height: 1.76em\">4. <\/span><\/p>\n<p><span style=\"line-height: 1.76em\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/006\/fda116abdbf492963cb8a7000807514f.jpg\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe3\" alt=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe3\" \/><\/span><\/p>\n<p><span style=\"line-height: 1.76em\">\u7b80\u4ecb\uff1a\u672c\u7bc7\u6587\u7ae0\u6536\u96c6\u4e86\u51e0\u7bc7\u6709\u5173php atan2()\u51fd\u6570\u7684\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u6536\u770b<\/span><\/p>\n<p><span style=\"line-height: 1.76em\">5. <\/span><\/p>\n<p><span style=\"line-height: 1.76em\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/006\/fda116abdbf492963cb8a7000807514f.jpg\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe3\" alt=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe3\" \/><\/span><\/p>\n<p><span style=\"line-height: 1.76em\">\u7b80\u4ecb\uff1a\u672c\u7bc7\u6587\u7ae0\u6536\u96c6\u4e8610\u7bc7\u5173\u4e8ephp atan()\u51fd\u6570\u7684\u6587\u7ae0<\/span><\/p>\n<p><span style=\"line-height: 1.76em\">6. <\/span><\/p>\n<p><span style=\"line-height: 1.76em\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/008\/c190a491f79023506a63f293ed7be445.jpg\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe4\" alt=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe4\" \/><\/span><\/p>\n<p><span style=\"line-height: 1.76em\">\u7b80\u4ecb\uff1aPHP\u52a0\u5bc6\u51fd\u6570\u2014sha1()\u51fd\u6570\u52a0\u5bc6\u9996\u5148\u6211\u4eec\u5148\u4ecb\u7ecd\u4e0b\u4ec0\u4e48\u662f sha1 \uff1fsha\u7684\u5168\u79f0\u662f\uff1aSecure Hash Algorithm\uff08\u5b89\u5168\u54c8\u5e0c\u7b97\u6cd5\uff09\u4e3b\u8981\u9002\u7528\u4e8e\u6570\u5b57\u7b7e\u540d\u6807\u51c6 \uff08Digital Signature Standard DSS\uff09\u91cc\u9762\u5b9a\u4e49\u7684\u6570\u5b57\u7b7e\u540d\u7b97\u6cd5\uff08Digital Signature Algorithm DSA\uff09\u3002\u5bf9\u4e8e\u957f\u5ea6\u5c0f\u4e8e2^64\u4f4d\u7684\u6d88\u606f\uff0cSHA1\u4f1a\u4ea7\u751f\u4e00\u4e2a160\u4f4d\u7684\u6d88\u606f\u6458\u8981\u3002\u5f53\u63a5\u6536\u5230&#8230;<\/span><\/p>\n<p><span style=\"line-height: 1.76em\">7. <\/span><\/p>\n<p><span style=\"line-height: 1.76em\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/007\/1e5db33df7191e0f1b9b3ff693a6191f.jpg\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe5\" alt=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe5\" \/><\/span><\/p>\n<p><span style=\"line-height: 1.76em\">\u7b80\u4ecb\uff1a\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86MyBatis+MySQL \u8fd4\u56de\u63d2\u5165\u7684\u4e3b\u952eID\u7684\u65b9\u6cd5\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u4eec\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002\u9700\u6c42\uff1a\u4f7f\u7528MyBatis\u5f80MySQL\u6570\u636e\u5e93\u4e2d\u63d2\u5165\u4e00\u6761\u8bb0\u5f55\u540e\uff0c\u9700\u8981\u8fd4\u56de\u8be5\u6761\u8bb0\u5f55\u7684\u81ea\u589e\u4e3b\u952e\u503c\u3002\u65b9\u6cd5\uff1a\u5728mapper\u4e2d\u6307\u5b9akeyProperty\u5c5e\u6027\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a <\/span><\/p>\n<p><span style=\"line-height: 1.76em\">8. <\/span><\/p>\n<p><span style=\"line-height: 1.76em\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/194\/8b3d68b7e8451dc6da06269647aee3d3.jpg\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe6\" alt=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe6\" \/><\/span><\/p>\n<p><span style=\"line-height: 1.76em\">\u7b80\u4ecb\uff1a\u3000\u4ecb\u7ecd \u3000\u3000\u4eca\u5929\uff0c\u6211\u4eec\u8981\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u7b80\u5355\u7684CSS\u6765\u521b\u5efa\u4e0d\u540c\u7c7b\u578b\u7684\u5e73\u9762\u56fe\u5f62\u3002 \u3000\u4f7f\u7528\u4ee3\u7801 \u3000\u3000\u77e9\u5f62 .rectangle&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;width:&nbsp;250px;&nbsp;&nbsp;&nbsp;&nbsp;height:&nbsp;150px;&nbsp;&nbsp;&nbsp;&nbsp;background-&#8230;<\/span><\/p>\n<p><span style=\"line-height: 1.76em\">9. <\/span><\/p>\n<p><span style=\"line-height: 1.76em\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/194\/593ca2117ae94991.jpg\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe7\" alt=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe7\" \/><\/span><\/p>\n<p><span style=\"line-height: 1.76em\">\u7b80\u4ecb\uff1a\u3000\u4ecb\u7ecd \u3000\u3000\u4eca\u5929\uff0c\u6211\u4eec\u8981\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u7b80\u5355\u7684CSS\u6765\u521b\u5efa\u4e0d\u540c\u7c7b\u578b\u7684\u5e73\u9762\u56fe\u5f62\u3002 \u3000\u4f7f\u7528\u4ee3\u7801 \u3000\u3000\u77e9\u5f62 .rectangle&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;width:&nbsp;250px;&nbsp;&nbsp;&nbsp;&nbsp;height:&nbsp;150px;&nbsp;&nbsp;&nbsp;&nbsp;background-&#8230;<\/span><\/p>\n<p><span style=\"line-height: 1.76em\">10. <\/span><\/p>\n<p><span style=\"line-height: 1.76em\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/194\/f8781c24d593594039b7de2c52d50772.png\" style=\"max-width:90%\" class=\"aligncenter\" title=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe8\" alt=\"\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u63d2\u56fe8\" \/><\/span><\/p>\n<p><span style=\"line-height: 1.76em\">\u7b80\u4ecb\uff1a\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86MyBatis+MySQL \u8fd4\u56de\u63d2\u5165\u7684\u4e3b\u952eID\u7684\u65b9\u6cd5\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u4eec\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002\u9700\u6c42\uff1a\u4f7f\u7528MyBatis\u5f80MySQL\u6570\u636e\u5e93\u4e2d\u63d2\u5165\u4e00\u6761\u8bb0\u5f55\u540e\uff0c\u9700\u8981\u8fd4\u56de\u8be5\u6761\u8bb0\u5f55\u7684\u81ea\u589e\u4e3b\u952e\u503c\u3002\u65b9\u6cd5\uff1a\u5728mapper\u4e2d\u6307\u5b9akeyProperty\u5c5e\u6027\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a <\/span><\/p>\n<p><strong>\u3010\u76f8\u5173\u95ee\u7b54\u63a8\u8350\u3011\uff1a<\/strong><\/p>\n<\/p>\n<\/p>\n<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u63a8\u835010\u6b3etan\u6e90\u7801\uff08\u6536\u85cf\uff09\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u6536\u96c6\u4e8610\u7bc7\u5173\u4e8ephp 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