{"id":946,"date":"2022-03-29T09:02:41","date_gmt":"2022-03-29T01:02:41","guid":{"rendered":"https:\/\/minuo.org\/?p=946"},"modified":"2022-03-29T09:22:36","modified_gmt":"2022-03-29T01:22:36","slug":"javascript-code-snippet-convert-query-string-to-json-format","status":"publish","type":"post","link":"https:\/\/minuo.org\/javascript-code-snippet-convert-query-string-to-json-format","title":{"rendered":"Javascript\u4ee3\u7801\u7247\u6bb5-\u67e5\u8be2\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aJSON\u683c\u5f0f"},"content":{"rendered":"\n<p>\u5c06\u67e5\u8be2\u5b57\u7b26\u4e32<code>\"price&gt;50,rating&gt;4.5\"<\/code>\u8f6c\u6362\u6210Json\u683c\u5f0f<code>{ price: { '$lt': 60 }, rating: { '$gt': 4 } }<\/code><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const numericFilters = \"price&gt;50,rating&gt;4.5\";\nconst query = {};\n\nif (numericFilters) {\n    const operatorMap = {\n      '&gt;': '$gt',\n      '&gt;=': '$gte',\n      '=': '$eq',\n      '&lt;': '$lt',\n      '&lt;=': '$lte',\n    };\n    const regEx = \/\\b(&lt;|&gt;|&gt;=|=|&lt;|&lt;=)\\b\/g;\n    let filters = numericFilters.replace(\n      regEx,\n      (match) =&gt; `-${operatorMap&#91;match]}-`\n    );\n\n    const options = &#91;'price', 'rating'];\n    filters = filters.split(',').forEach((item) =&gt; {\n      const &#91;field, operator, value] = item.split('-');\n      if (options.includes(field)) {\n        query&#91;field] = { &#91;operator]: Number(value) };\n      }\n    });\n  }<\/code><\/pre>\n\n\n\n<p>\u7528\u5230<a href=\"https:\/\/www.javascript.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Javascript<\/a>\u7684<code>replace()<\/code>\u65b9\u6cd5\u548c<code>forEach()<\/code>\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p><strong><code>replace()<\/code><\/strong>\u00a0\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u7531\u66ff\u6362\u503c\uff08<code>replacement<\/code>\uff09\u66ff\u6362\u90e8\u5206\u6216\u6240\u6709\u7684\u6a21\u5f0f\uff08<code>pattern<\/code>\uff09\u5339\u914d\u9879\u540e\u7684\u65b0\u5b57\u7b26\u4e32\u3002\u6a21\u5f0f\u53ef\u4ee5\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u6216\u8005\u4e00\u4e2a<a href=\"https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/RegExp\">\u6b63\u5219\u8868\u8fbe\u5f0f<\/a>\uff0c\u66ff\u6362\u503c\u53ef\u4ee5\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u6216\u8005\u4e00\u4e2a\u6bcf\u6b21\u5339\u914d\u90fd\u8981\u8c03\u7528\u7684\u56de\u8c03\u51fd\u6570\u3002<strong>\u5982\u679c<code>pattern<\/code>\u662f\u5b57\u7b26\u4e32\uff0c\u5219\u4ec5\u66ff\u6362\u7b2c\u4e00\u4e2a\u5339\u914d\u9879\u3002<\/strong><\/p>\n\n\n\n<p>\u6307\u5b9a\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u7684\u60c5\u51b5\u4e0b\uff0c\u5f53\u5339\u914d\u6267\u884c\u540e\uff0c\u8be5\u51fd\u6570\u5c31\u4f1a\u6267\u884c\u3002 \u51fd\u6570\u7684\u8fd4\u56de\u503c\u4f5c\u4e3a\u66ff\u6362\u5b57\u7b26\u4e32\u3002\u53e6\u5916\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u5e76\u4e14\u5176\u4e3a\u5168\u5c40\u5339\u914d\u6a21\u5f0f\uff0c\u90a3\u4e48\u8fd9\u4e2a\u65b9\u6cd5\u5c06\u88ab\u591a\u6b21\u8c03\u7528\uff0c\u6bcf\u6b21\u5339\u914d\u90fd\u4f1a\u88ab\u8c03\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5c06\u67e5\u8be2\u5b57\u7b26\u4e32<code>\"price&gt;50,rating&gt;4.5\"<\/code>\u8f6c\u6362\u6210Json\u683c\u5f0f<code>{ price: { '$lt': 60 }, rating: { '$gt': 4 } }<\/code><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[71],"views":1079,"_links":{"self":[{"href":"https:\/\/minuo.org\/wp-json\/wp\/v2\/posts\/946"}],"collection":[{"href":"https:\/\/minuo.org\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/minuo.org\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/minuo.org\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/minuo.org\/wp-json\/wp\/v2\/comments?post=946"}],"version-history":[{"count":0,"href":"https:\/\/minuo.org\/wp-json\/wp\/v2\/posts\/946\/revisions"}],"wp:attachment":[{"href":"https:\/\/minuo.org\/wp-json\/wp\/v2\/media?parent=946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/minuo.org\/wp-json\/wp\/v2\/categories?post=946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/minuo.org\/wp-json\/wp\/v2\/tags?post=946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}