{"id":6910,"date":"2024-11-14T14:53:05","date_gmt":"2024-11-14T06:53:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6910\/"},"modified":"2024-11-14T14:53:05","modified_gmt":"2024-11-14T06:53:05","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8-sequelize-%e5%ae%9e%e7%8e%b0%e5%a4%8d%e6%9d%82%e7%9a%84%e7%bb%84%e5%90%88%e6%9f%a5%e8%af%a2%e6%9d%a1%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6910\/","title":{"rendered":"\u5982\u4f55\u5229\u7528 Sequelize \u5b9e\u73b0\u590d\u6742\u7684\u7ec4\u5408\u67e5\u8be2\u6761\u4ef6\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173007631597490.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u5229\u7528 Sequelize \u5b9e\u73b0\u590d\u6742\u7684\u7ec4\u5408\u67e5\u8be2\u6761\u4ef6\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u5229\u7528 Sequelize \u5b9e\u73b0\u590d\u6742\u7684\u7ec4\u5408\u67e5\u8be2\u6761\u4ef6\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5b9e\u73b0 sequelize \u7ec4\u5408\u67e5\u8be2<\/strong><\/p>\n<p>\u5728\u4f7f\u7528 sequelize \u65f6\uff0c\u9047\u5230\u9700\u8981\u901a\u8fc7\u5b57\u6bb5\u7ec4\u5408\u8fdb\u884c\u67e5\u8be2\u7684\u9700\u6c42\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528 sequelize \u63d0\u4f9b\u7684\u65b9\u6cd5\u7b80\u5316\u67e5\u8be2\u64cd\u4f5c\u3002<\/p>\n<p><strong>\u4ee3\u7801\u793a\u4f8b<\/strong><\/p>\n<pre>\/\/ \u8fd9\u91cc\u4ee5\u67e5\u8be2 `name` \u4e3a `\u5f20\u4e09`\u3001`age` \u4e3a `18` \u7684\u6570\u636e\u4e3a\u4f8b\nlet where = {\n  name: '\u5f20\u4e09', \/\/ \u76f4\u63a5\u8d4b\u503c\n  age: { [op.eq]: 18 } \/\/ \u4f7f\u7528 op.eq \u8fdb\u884c\u7b49\u4e8e\u6bd4\u8f83\n};\n\nlet params = {};\nif (object.keys(where).length !== 0) {\n  params['where'] = where;\n}\n\nlet item = await test.findone(params);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u62c6\u5206\u7ec4\u5408\u67e5\u8be2\u6761\u4ef6<\/strong><\/p>\n<p>\u5982\u679c\u67e5\u8be2\u6761\u4ef6\u6bd4\u8f83\u590d\u6742\uff0c\u4f8b\u5982\u9700\u8981\u540c\u65f6\u4f7f\u7528 and \u548c or \u6761\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u5c06\u6761\u4ef6\u62c6\u5206\u6210\u591a\u4e2a\u6570\u7ec4\uff0c\u7136\u540e\u5206\u522b\u62fc\u63a5\u3002<\/p>\n<pre>\/\/ \u524d\u7aef\u7ec4\u88c5\u6210\u8fd9\u6837\u7684\u6570\u636e\uff1a\nlet list = [\n  {\n    \"field\" : \"name\",\n    \"value\" : \"\u5f20\u4e09\",\n    \"op\" : 'and',\n    \"action\" : 'like'\n  },\n  {\n    \"field\" : \"age\",\n    \"value\" : 18,\n    \"op\" : 'and',\n    \"action\" : 'eq'\n  },\n  {\n    \"field\" : \"city\",\n    \"value\" : \"\u5317\u4eac\",\n    \"op\" : 'or', \/\/ OR \u6761\u4ef6\n    \"action\" : 'like'\n  }\n];\n\n\/\/ \u62c6\u5206\u6570\u7ec4\nlet andWhere = [];\nlet orWhere = [];\nfor (const item of list) {\n  if (item.op === 'and') {\n    andWhere.push(item);\n  } else if (item.op === 'or') {\n    orWhere.push(item);\n  }\n}\n\n\/\/ \u62fc\u63a5 where \u6761\u4ef6\nlet where = {};\nfor (const item of andWhere) {\n  if (item.action === 'like') {\n    where[item.field] = { [Op.like]: `%${item.value}%` }\n  } else {\n    where[item.field] = item.value;\n  }\n}\n\nif (orWhere.length &gt; 0) {\n  let or = [];\n  for (const item of orWhere) {\n    if (item.action === 'like') {\n      or.push({ [item.field]: { [Op.like]: `%${item.value}%` } });\n    } else {\n      or.push({ [item.field]: item.value });\n    }\n  }\n\n  where[Op.or] = or;\n}\n\nlet params = {};\nif (Object.keys(where).length !== 0) {\n  params['where'] = where;\n}\n\nlet item = await Test.findOne(params);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5229\u7528 Sequelize \u5b9e\u73b0\u590d\u6742\u7684\u7ec4\u5408\u67e5\u8be2\u6761\u4ef6\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9e\u73b0 sequelize \u7ec4\u5408\u67e5\u8be2 \u5728\u4f7f\u7528 sequelize \u65f6\uff0c\u9047\u5230\u9700\u8981\u901a\u8fc7\u5b57\u6bb5\u7ec4\u5408\u8fdb\u884c\u67e5\u8be2\u7684\u9700\u6c42\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528 sequelize \u63d0\u4f9b\u7684\u65b9\u6cd5\u7b80\u5316\u67e5\u8be2\u64cd\u4f5c\u3002 \u4ee3\u7801\u793a\u4f8b \/\/ \u8fd9\u91cc\u4ee5\u67e5\u8be2 `name` \u4e3a `\u5f20\u4e09`\u3001`age` \u4e3a `18` \u7684\u6570\u636e\u4e3a\u4f8b let where = { name: &#8216;\u5f20\u4e09&#8217;, \/\/ \u76f4\u63a5\u8d4b\u503c age: { [op.eq]: 18 } \/\/ \u4f7f\u7528 op.eq \u8fdb\u884c\u7b49\u4e8e\u6bd4\u8f83 }; let params = {}; if (object.keys(where).length !== 0) { params[&#8216;where&#8217;] = where; } let item = await test.findone(params); \u767b\u5f55\u540e\u590d\u5236 \u62c6\u5206\u7ec4\u5408\u67e5\u8be2\u6761\u4ef6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6910","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6910","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6910"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6910\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}