{"id":1856,"date":"2022-07-02T00:16:34","date_gmt":"2022-07-01T16:16:34","guid":{"rendered":"https:\/\/yukihiew.com\/?p=1856"},"modified":"2022-08-10T23:35:35","modified_gmt":"2022-08-10T15:35:35","slug":"javascript-get-api","status":"publish","type":"post","link":"https:\/\/yukihiew.com\/javascript-get-api\/","title":{"rendered":"\u7b46\u8a18 | \u4f7f\u7528javascript\u4e32\u63a5api \u64b0\u5bebhttp\u8acb\u6c42 \u53d6\u5f97json\u8cc7\u6599"},"content":{"rendered":"\n
\u4f7f\u7528 javascript\u4e32\u63a5API<\/strong> \u662f\u64b0\u5beb\u5404\u7a2e\u9700\u8981\u8de8\u7db2\u7ad9\u53d6\u8cc7\u6599\u7684\u7db2\u9801\u6216app\u7684\u5fc5\u8981\u6280\u80fd\uff0c\u5728\u500b\u4eba\u7df4\u7fd2\u4e0a\u4e5f\u662f\u5f88\u597d\u7684\u53d6\u8cc7\u6599\u65b9\u5f0f\uff0c\u6709\u4e86\u9019\u4e9b\u8cc7\u6599\u5c31\u53ef\u4ee5\u505a\u51fa\u985e\u4f3c\u53e3\u7f69\u5eab\u5b58\u5730\u5716\u3001\u7e23\u5e02\u666f\u9ede\u67e5\u8a62\u3001\u5404\u7e23\u5e02\u7a7a\u6c61\u72c0\u614b\u2026\u7b49\uff0c\u9019\u6b21\u7b46\u8a18\u4f86\u81ea\u65bc\u7df4\u7fd2\u4f7f\u7528\u9ad8\u96c4\u89c0\u5149\u5c40\u63d0\u4f9b\u7684API\u4e32\u63a5\u53d6\u5f97\u666f\u9ede\u7684JSON\u8cc7\u6599\uff0c\u7136\u5f8c\u5c07\u8cc7\u6599\u8655\u7406\u5f8c\u5448\u73fe\u5728\u7db2\u9801\u4e0a\u3002 \u9019\u500bopen\u7684\u6982\u5ff5\u6bd4\u8f03\u50cf\u662f\u5148\u8ddf\u5c0d\u65b9\u7db2\u7ad9\u8a62\u554f\u8aaa\uff0c\u80fd\u4e0d\u80fd\u8ddf\u4f60\u62ff\u8cc7\u6599\u5462? \u9019\u6a23<\/p>\n\n\n \u5982\u679c\u662f\u8981\u7d22\u53d6\u5c0d\u65b9\u7684\u5168\u90e8\u8cc7\u6599(\u4e0d\u662f\u7279\u5b9a\u8cc7\u6599)\uff0c\u5c31\u767c\u9001null\u3002<\/p>\n\n\n \u767c\u9001\u5f8c\u7b49\u5f85\u5c0d\u65b9\u56de\u50b3\u8cc7\u6599\u7d66\u4f60\uff0c\u6703\u5b58\u5728responseText\u88e1\uff0c\u56e0\u70ba\u700f\u89bd\u5668\u4e5f\u9700\u8981\u6642\u9593\u63a5\u6536\uff0c\u6240\u4ee5\u8981\u7b49\u63a5\u53d7\u5230\u8cc7\u6599\u5f8c\u624d\u958b\u59cb\u8655\u7406\u62ff\u5230\u7684\u8cc7\u6599\uff0c\u56e0\u6b64\u8981\u4f7f\u7528.onload\uff0c\u6216\u662f\u5efa\u7acb\u4e00\u500b\u51fd\u5f0f\u518d\u505aload\u76e3\u807d\u3002<\/p>\n\n\n https:\/\/developer.mozilla.org\/zh-TW\/docs\/Web\/API\/XMLHttpRequest\/Using_XMLHttpRequest<\/p>\n\n\n\n \u7dda\u4e0a\u8ab2\u7a0b\u6240\u5b78<\/p>\n","protected":false},"excerpt":{"rendered":" \u4f7f\u7528 javascript\u4e32\u63a5API \u662f\u64b0\u5beb\u5404\u7a2e\u9700\u8981\u8de8\u7db2\u7ad9\u53d6\u8cc7\u6599\u7684\u7db2\u9801\u6216app\u7684\u5fc5\u8981\u6280\u80fd\uff0c\u5728\u500b\u4eba\u7df4\u7fd2\u4e0a\u4e5f\u662f\u5f88\u597d […]<\/p>\n","protected":false},"author":1,"featured_media":1859,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[124],"tags":[125],"class_list":["post-1856","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-124","tag-javascript","entry","has-media"],"yoast_head":"\n
\u90a3\u9ebc\u5c31\u958b\u59cb\u5427!<\/p>\n\n\n\u5148\u5efa\u7acb\u4e00\u500bhttp\u8acb\u6c42 \u548c \u4e00\u500b\u5b58\u8cc7\u6599\u7528\u7684\u9663\u5217<\/h2>\n\n\n
let xhr = new XMLHttpRequest(),\r\n data = [];<\/code><\/pre>\n\n\n
\u4f7f\u7528.open\u5411\u63d0\u4f9bJSON\u8cc7\u6599\u7684\u7db2\u7ad9api\u767c\u9001get\u8acb\u6c42<\/h2>\n\n\n
xhr.open('get','https:\/\/api.kcg.gov.tw\/api\/service\/get\/9c8e1450-e833-499c-8320-29b36b7ace5c');<\/code><\/pre>\n\n\n\n
\u4f7f\u7528.send\u5411\u5c0d\u65b9\u7db2\u7ad9\u767c\u9001\u9700\u6c42<\/h2>\n\n\n
xhr.send(null);<\/code><\/pre>\n\n\n\n
\u4f7f\u7528.onload\uff0c\u6216\u662f\u5efa\u7acb\u4e00\u500b\u51fd\u5f0f\u505aload\u76e3\u807d<\/h2>\n\n\n
xhr.onload = function(){ \/\/loading\u5b8c\u6210\u5f8c\u5c31\u6703\u7e7c\u7e8c\u57f7\u884c\u6b64function\r\n let str = JSON.parse(xhr.responseText) \/\/\u5229\u7528.parse\u8f49\u63db\u6210\u9663\u5217\r\n ...\u4f60\u8981\u57f7\u884c\u7684\u5f8c\u7e8c\u7a0b\u5f0f\r\n}\r\n\u6216\r\nvar xhr = new XMLHttpRequest();\r\nxhr.addEventListener(\"load\", mainJs); \/\/loading\u5b8c\u6210\u5f8c\u5c31\u6703\u57f7\u884cmainJs\r\nxhr.open(\"GET\", \"http:\/\/www.example.org\/example.txt\");\r\nxhr.send();\r\n\r\nfunction mainJs () {\r\n let str = JSON.parse(xhr.responseText);\r\n ...\u4f60\u8981\u57f7\u884c\u7684\u5f8c\u7e8c\u7a0b\u5f0f\r\n}<\/code><\/pre>\n\n\n\n
\u53c3\u8003\u8cc7\u6599<\/h2>\n\n\n