{"id":200267,"date":"2025-05-06T11:10:06","date_gmt":"2025-05-06T03:10:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200267\/"},"modified":"2025-05-06T11:10:06","modified_gmt":"2025-05-06T03:10:06","slug":"sequelize-orm-%e5%a4%8d%e6%9d%82%e5%ad%97%e6%ae%b5%e7%bb%84%e5%90%88%e6%9f%a5%e8%af%a2%ef%bc%9a%e5%a6%82%e4%bd%95%e6%9e%84%e5%bb%ba%e5%b5%8c%e5%a5%97-and-%e5%92%8c-or-%e6%9d%a1%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200267\/","title":{"rendered":"Sequelize ORM \u590d\u6742\u5b57\u6bb5\u7ec4\u5408\u67e5\u8be2\uff1a\u5982\u4f55\u6784\u5efa\u5d4c\u5957 AND \u548c OR \u6761\u4ef6\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Sequelize ORM \u590d\u6742\u5b57\u6bb5\u7ec4\u5408\u67e5\u8be2\uff1a\u5982\u4f55\u6784\u5efa\u5d4c\u5957 AND \u548c OR \u6761\u4ef6\uff1f<\/h1>\n<p>\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241030\/173029306667222d4ab9c0f.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u901a\u8fc7 sequelize orm \u8fdb\u884c\u590d\u6742\u5b57\u6bb5\u7ec4\u5408\u67e5\u8be2<\/strong><\/p>\n<p>\u5728 sequelize orm \u4e2d\u5b58\u5728\u4e00\u4e2a\u7ec4\u5408\u67e5\u8be2\u7684\u9700\u6c42\uff0c\u9700\u8981\u901a\u8fc7\u5b57\u6bb5\u7ec4\u5408\u7684\u65b9\u5f0f\u8fdb\u884c\u67e5\u8be2\u3002\u6b64\u524d\uff0c\u901a\u8fc7\u62fc\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u8fdb\u884c\u67e5\u8be2\u76f8\u5bf9\u7b80\u5355\uff0c\u4f46\u662f\u9700\u8981\u901a\u8fc7 sequelize \u63d0\u4f9b\u7684\u65b9\u6cd5\u8fdb\u884c\u62fc\u5199\u65f6\u51fa\u73b0\u4e86\u56f0\u96be\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u95ee\u9898\u90e8\u5206\u63d0\u4f9b\u7684\u4ee3\u7801\uff1a<\/p>\n<pre>if (where[w].length &gt; 0) {\n                for (let i = 0; i &lt; where[w].length; i++) {\n                    let _item = where[w][i]\n                    let _item_1 = where[w][i-1]\n                    if (_item[0] == 'and' || _item[0] == 'or' || _item[0] == 'not') {\n                        if (_item[0] == 'and') {\n                            if (_item[3] == 'equals') {\n                                _where_arr[_item[1]] = _item[2]\n                            } else if (_item[3] == 'like') {\n                                _where_arr[_item[1]] = {\n                                    [_this.sequelize_op.like]: '%' + _item[2] + '%'\n                                }\n                            }\n                        } else if (_item[0] == 'or') {\n                            if (_item[3] == 'equals') {\n                                let _p = {};\n                                _p[_item[1]] = {\n                                    [_this.sequelize_op.eq]: _item[2]\n                                }\n                                let _p1 = {};\n                                if ((i-1) == 0) {\n                                    _p1[_item_1[0]] = {\n                                        [_this.sequelize_op.eq]: _item_1[1]\n                                    }\n                                } else {\n                                    _p1[_item_1[1]] = {\n                                        [_this.sequelize_op.eq]: _item_1[2]\n                                    }\n                                }\n                                let _or = {\n                                    [_this.sequelize_op.or]: [_p, _p1]\n                                }\n                                object.assign(_where_arr, _or)\n                            } else {\n                                let _p = {};\n                                _p[_item[1]] = {\n                                    [_this.sequelize_op.eq]: '%' + _item[2] + '%'\n                                }\n                                let _p1 = {};\n                                if ((i-1) == 0) {\n                                    _p1[_item_1[0]] = {\n                                        [_this.sequelize_op.eq]: '%' + _item_1[1] + '%'\n                                    }\n                                } else {\n                                    _p1[_item_1[1]] = {\n                                        [_this.sequelize_op.eq]: '%' + _item_1[2] + '%'\n                                    }\n                                }\n                                let _or = {\n                                    [_this.sequelize_op.or]: [_p, _p1]\n                                }\n                                object.assign(_where_arr, _or)\n                            }\n                        }\n\n                        if (_item[0] == 'not') {\n                            _where_arr[_item[1]] = {\n                                [_this.sequelize_op.not]: _item[2]\n                            }\n                        }\n\n                    } else {\n                        if (_item[2] == 'equals') {\n                            _where_arr[_item[0]] = _item[1]\n                        } else if (_item[2] == 'like') {\n                            _where_arr[_item[0]] = {\n                                [_this.sequelize_op.like]: '%' + _item[1] + '%'\n                            }\n                        }\n                    }\n                    \n                }\n                \n            }<\/pre>\n<p>\u8be5\u4ee3\u7801\u4e2d\u5b58\u5728\u4e00\u4e9b\u9519\u8bef\u548c\u95ee\u9898\uff0c\u4f8b\u5982\uff1a<\/p>\n<ol>\n<li>\u5faa\u73af\u53d8\u91cf i \u7684\u4f7f\u7528\u5b58\u5728\u95ee\u9898\uff0c\u5bfc\u81f4\u53ef\u80fd\u51fa\u73b0\u4e0b\u6807\u8d8a\u754c\u3002<\/li>\n<li>\u5bf9 _item[3] \u7684\u5224\u65ad\u6ca1\u6709\u5fc5\u8981\uff0c\u56e0\u4e3a _item \u7684\u957f\u5ea6\u662f\u56fa\u5b9a\u7684\uff0c\u4e14\u7b2c 3 \u4e2a\u5143\u7d20\u4e00\u5b9a\u662f &#8216;equals&#8217; \u6216 &#8216;like&#8217;.<\/li>\n<li>object.assign(_where_arr, _or) \u7684\u4f7f\u7528\u4e0d\u6b63\u786e\uff0c\u5e94\u4f7f\u7528 _where_arr = object.assign(_where_arr, _or)\u3002<\/li>\n<\/ol>\n<p><strong>\u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 sequelize orm \u6b63\u786e\u8fdb\u884c\u590d\u6742\u5b57\u6bb5\u7ec4\u5408\u67e5\u8be2\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre>const { Op } = require('sequelize');\n\nlet where = {};\nfor (const {field, value, action, op} of list) {\n  if (action === 'like') {\n    where[field] = { [Op.like]: `%${value}%` };\n  } else {\n    where[field] = value;\n  }\n  if (op === 'and') {\n    where = { [Op.and]: where };\n  } else if (op === 'or') {\n    where = { [Op.or]: where };\n  }\n}<\/pre>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u4ee3\u7801\uff0c\u53ef\u4ee5\u6839\u636e\u4f20\u5165\u7684\u6761\u4ef6\u5217\u8868 list \u6784\u5efa sequelize where \u5b50\u53e5\uff0c\u5176\u4e2d list \u7684\u6bcf\u4e00\u9879\u5305\u542b\u4ee5\u4e0b\u5c5e\u6027\uff1a<\/p>\n<ul>\n<li>field: \u5b57\u6bb5\u540d\u79f0<\/li>\n<li>value: \u5b57\u6bb5\u503c<\/li>\n<li>action: \u6bd4\u8f83\u52a8\u4f5c\uff08&#8217;equals&#8217; \u6216 &#8216;like&#8217;)<\/li>\n<li>op: \u64cd\u4f5c\u7b26\uff08&#8217;and&#8217; \u6216 &#8216;or&#8217;)<\/li>\n<\/ul>\n<p>\u7136\u540e\uff0c\u4f7f\u7528 sequelize op \u5bf9\u8c61\u6784\u5efa where \u5b50\u53e5\uff0c\u8be5\u5b50\u53e5\u8868\u793a\u4e00\u7cfb\u5217\u5d4c\u5957\u6761\u4ef6\uff0c\u4f7f\u7528 and \u548c or \u64cd\u4f5c\u7b26\u8fdb\u884c\u8fde\u63a5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u4e3b\u673a\u5b9d\u8d1d\uff01\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Sequelize ORM \u590d\u6742&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-200267","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200267","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=200267"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200267\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}