{"id":179366,"date":"2024-11-09T01:13:17","date_gmt":"2024-11-08T17:13:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179366\/"},"modified":"2024-11-09T01:13:18","modified_gmt":"2024-11-08T17:13:18","slug":"%e5%a6%82%e4%bd%95%e5%84%aa%e5%8c%96-ci-%e6%a1%86%e6%9e%b6%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c%ef%bc%9f-ci-%e6%a1%86%e6%9e%b6%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179366\/","title":{"rendered":"\u5982\u4f55\u512a\u5316 CI \u6846\u67b6\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff1f (ci \u6846\u67b6\u6578\u64da\u5eab\u64cd\u4f5c)"},"content":{"rendered":"

\u5982\u4f55\u512a\u5316 CI \u6846\u67b6\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff1f<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u5c0d\u65bc\u6574\u9ad4\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002CodeIgniter\uff08CI\uff09\u6846\u67b6\u4f5c\u70ba\u4e00\u500b\u8f15\u91cf\u7d1a\u7684PHP\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u6613\u7528\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u529f\u80fd\u3002\u7136\u800c\uff0c\u96a8\u8457\u61c9\u7528\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u512a\u5316\u8b8a\u5f97\u6108\u52a0\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u512a\u5316CI\u6846\u67b6\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u4ee5\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n

1. \u4f7f\u7528\u67e5\u8a62\u7de9\u5b58<\/h2>\n

\u67e5\u8a62\u7de9\u5b58\u662f\u4e00\u7a2e\u6709\u6548\u7684\u512a\u5316\u6280\u8853\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u6578\u64da\u5eab\u67e5\u8a62\u7684\u6b21\u6578\u3002CI\u6846\u67b6\u63d0\u4f9b\u4e86\u67e5\u8a62\u7de9\u5b58\u7684\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u555f\u7528\u67e5\u8a62\u7de9\u5b58\uff1a<\/p>\n

\n$this->db->cache_on();\n$query = $this->db->get('your_table');\n$this->db->cache_off();\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u67e5\u8a62\u7d50\u679c\u5c07\u88ab\u7de9\u5b58\uff0c\u5f8c\u7e8c\u5c0d\u540c\u4e00\u67e5\u8a62\u7684\u8acb\u6c42\u5c07\u76f4\u63a5\u5f9e\u7de9\u5b58\u4e2d\u7372\u53d6\u6578\u64da\uff0c\u800c\u4e0d\u5fc5\u518d\u6b21\u8a2a\u554f\u6578\u64da\u5eab\u3002\u9019\u6a23\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8b80\u53d6\u64cd\u4f5c\u983b\u7e41\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n
2. \u4f7f\u7528\u6279\u91cf\u63d2\u5165<\/h2>\n
\u5728\u9032\u884c\u5927\u91cf\u6578\u64da\u63d2\u5165\u6642\uff0c\u4f7f\u7528\u6279\u91cf\u63d2\u5165\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002CI\u6846\u67b6\u652f\u6301\u6279\u91cf\u63d2\u5165\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n
\n$data = array(\n    array('field1' => 'value1', 'field2' => 'value2'),\n    array('field1' => 'value3', 'field2' => 'value4'),\n);\n$this->db->insert_batch('your_table', $data);\n<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u5c07\u591a\u689d\u63d2\u5165\u64cd\u4f5c\u5408\u4f75\u70ba\u4e00\u6b21\u8acb\u6c42\uff0c\u6e1b\u5c11\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u6b21\u6578\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
3. \u4f7f\u7528\u7d22\u5f15<\/h2>\n
\u7d22\u5f15\u662f\u63d0\u9ad8\u6578\u64da\u5eab\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u5728\u8868\u7684\u9069\u7576\u5b57\u6bb5\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002\u5728CI\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n
\n$this->db->query(\"CREATE INDEX index_name ON your_table (column_name)\");\n<\/code><\/pre>\n
\u5728\u9078\u64c7\u7d22\u5f15\u5b57\u6bb5\u6642\uff0c\u61c9\u8003\u616e\u67e5\u8a62\u7684\u983b\u7387\u548c\u7bc4\u570d\uff0c\u907f\u514d\u5728\u4f4e\u983b\u7387\u7684\u5b57\u6bb5\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u56e0\u70ba\u9019\u6a23\u6703\u589e\u52a0\u6578\u64da\u5eab\u7684\u7dad\u8b77\u6210\u672c\u3002<\/p>\n
4. \u512a\u5316\u67e5\u8a62\u8a9e\u53e5<\/h2>\n
\u64b0\u5beb\u9ad8\u6548\u7684\u67e5\u8a62\u8a9e\u53e5\u662f\u512a\u5316\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u53e6\u4e00\u500b\u91cd\u8981\u65b9\u9762\u3002\u907f\u514d\u4f7f\u7528SELECT *\uff0c\u800c\u662f\u660e\u78ba\u6307\u5b9a\u9700\u8981\u7684\u5b57\u6bb5\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u7684\u5927\u5c0f\u3002\u4f8b\u5982\uff1a<\/p>\n
\n$this->db->select('field1, field2');\n$this->db->from('your_table');\n$query = $this->db->get();\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u4f7f\u7528JOIN\u6642\u61c9\u8b39\u614e\uff0c\u78ba\u4fdd\u53ea\u5728\u5fc5\u8981\u6642\u4f7f\u7528\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u5b50\u67e5\u8a62\u6216\u5176\u4ed6\u65b9\u6cd5\u4f86\u7c21\u5316\u67e5\u8a62\u3002<\/p>\n
5. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n
\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab\u662f\u78ba\u4fdd\u5176\u6027\u80fd\u7684\u95dc\u9375\u3002\u9019\u5305\u62ec\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3001\u91cd\u5efa\u7d22\u5f15\u548c\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u3002\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u5e6b\u52a9\u6578\u64da\u5eab\u4fdd\u6301\u6700\u4f73\u6027\u80fd\uff0c\u4e26\u6e1b\u5c11\u67e5\u8a62\u5ef6\u9072\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u512a\u5316CI\u6846\u67b6\u7684\u6578\u64da\u5eab\u64cd\u4f5c\u662f\u63d0\u5347\u61c9\u7528\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528\u67e5\u8a62\u7de9\u5b58\u3001\u6279\u91cf\u63d2\u5165\u3001\u7d22\u5f15\u3001\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u4ee5\u53ca\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6548\u7387\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u80fd\u5920\u63d0\u5347\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u80fd\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\uff0c\u5f9e\u800c\u964d\u4f4e\u904b\u71df\u6210\u672c\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u512a\u5316 CI \u6846\u67b6\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u63d0\u9ad8\u6027\u80fd\u8207\u6548\u7387\uff0c\u5be6\u73fe\u66f4\u6d41\u66a2\u7684\u61c9\u7528\u7a0b\u5f0f\u904b\u884c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-179366","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=179366"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179366\/revisions"}],"predecessor-version":[{"id":179367,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179366\/revisions\/179367"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}