{"id":3176,"date":"2024-11-10T08:05:30","date_gmt":"2024-11-10T00:05:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3176\/"},"modified":"2024-11-10T08:05:30","modified_gmt":"2024-11-10T00:05:30","slug":"js-%e5%a6%82%e4%bd%95%e8%b0%83%e7%94%a8%e5%90%8e%e5%8f%b0%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3176\/","title":{"rendered":"js \u5982\u4f55\u8c03\u7528\u540e\u53f0\u65b9\u6cd5"},"content":{"rendered":"<blockquote><p>\n  javascript \u8c03\u7528\u540e\u53f0\u65b9\u6cd5\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a1. ajax \u8bf7\u6c42\uff1a\u4f7f\u7528 xmlhttprequest \u5bf9\u8c61\u521b\u5efa http \u8bf7\u6c42\uff0c\u53d1\u9001\u8bf7\u6c42\u5e76\u5904\u7406\u670d\u52a1\u5668\u54cd\u5e94\uff0c\u5982 json \u6216 xml\u30022. websocket\uff1a\u5efa\u7acb websocket \u8fde\u63a5\uff0c\u53d1\u9001\u6570\u636e\u5230\u670d\u52a1\u5668\u5e76\u63a5\u6536\u670d\u52a1\u5668\u54cd\u5e94\uff0c\u4f7f\u7528 send() \u548c onmessage \u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110806155473817.jpg\" class=\"aligncenter\" title=\"js \u5982\u4f55\u8c03\u7528\u540e\u53f0\u65b9\u6cd5\u63d2\u56fe\" alt=\"js \u5982\u4f55\u8c03\u7528\u540e\u53f0\u65b9\u6cd5\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 JavaScript \u8c03\u7528\u540e\u53f0\u65b9\u6cd5<\/strong><\/p>\n<p>JavaScript \u4e2d\u8c03\u7528\u540e\u53f0\u65b9\u6cd5\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. AJAX \u8bf7\u6c42<\/strong><\/p>\n<p>AJAX (\u5f02\u6b65 JavaScript \u548c XML) \u5141\u8bb8 JavaScript \u4ee3\u7801\u4e0e\u540e\u53f0\u670d\u52a1\u5668\u8fdb\u884c\u5f02\u6b65\u901a\u4fe1\uff0c\u800c\u65e0\u9700\u91cd\u65b0\u52a0\u8f7d\u6574\u4e2a\u9875\u9762\u3002<\/p>\n<ul>\n<li>\u4f7f\u7528 XMLHttpRequest \u5bf9\u8c61\u521b\u5efa HTTP \u8bf7\u6c42\u3002<\/li>\n<li>\u6307\u5b9a\u8bf7\u6c42\u7684 URL\uff08\u540e\u53f0\u65b9\u6cd5\u7684\u8def\u5f84\uff09\u548c\u65b9\u6cd5\uff08\u5982 GET \u6216 POST\uff09\u3002<\/li>\n<li>\u53d1\u9001\u8bf7\u6c42\u5e76\u5904\u7406\u670d\u52a1\u5668\u54cd\u5e94\uff0c\u901a\u5e38\u901a\u8fc7 JSON \u6216 XML \u683c\u5f0f\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 AJAX \u8c03\u7528\u540e\u53f0\u65b9\u6cd5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>var xhr = new XMLHttpRequest();\nxhr.open(\"GET\", \"your_backend_url\");\nxhr.send();\nxhr.onload = function() {\n  if (xhr.status === 200) {\n    \/\/ \u6210\u529f\u5904\u7406\u670d\u52a1\u5668\u54cd\u5e94\n  }\n};<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>2. WebSocket<\/strong><\/p>\n<p>WebSocket \u63d0\u4f9b\u4e86\u6301\u4e45\u53cc\u5411\u901a\u4fe1\u901a\u9053\uff0c\u5141\u8bb8 JavaScript \u4ee3\u7801\u4e0e\u540e\u53f0\u670d\u52a1\u5668\u8fdb\u884c\u5b9e\u65f6\u901a\u4fe1\u3002<\/p>\n<ul>\n<li>\u4f7f\u7528 WebSocket \u5bf9\u8c61\u5efa\u7acb\u4e0e\u670d\u52a1\u5668\u7684\u8fde\u63a5\u3002<\/li>\n<li>\u6307\u5b9a\u8fde\u63a5\u7684 URL\uff08\u540e\u53f0\u65b9\u6cd5\u7684 WebSocket \u7aef\u70b9\uff09\u3002<\/li>\n<li>\u53d1\u9001\u6570\u636e\u5230\u670d\u52a1\u5668\u5e76\u63a5\u6536\u670d\u52a1\u5668\u54cd\u5e94\uff0c\u4f7f\u7528 send() \u548c onmessage \u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 WebSocket \u8c03\u7528\u540e\u53f0\u65b9\u6cd5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>var ws = new WebSocket(\"ws:\/\/your_backend_url\");\nws.onopen = function() {\n  \/\/ \u8fde\u63a5\u6210\u529f\n};\nws.onmessage = function(event) {\n  \/\/ \u5904\u7406\u6765\u81ea\u670d\u52a1\u5668\u7684\u6d88\u606f\n};\nws.send(\"{\"method\": \"your_method\", \"params\": [\"your_params\"]}\");<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u9700\u6c42\u548c\u540e\u53f0\u670d\u52a1\u5668\u5b9e\u73b0\u3002AJAX \u901a\u5e38\u7528\u4e8e\u4e00\u6b21\u6027\u8bf7\u6c42\uff0c\u800c WebSocket \u9002\u7528\u4e8e\u9700\u8981\u6301\u7eed\u901a\u4fe1\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjs \u5982\u4f55\u8c03\u7528\u540e\u53f0\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>javascript \u8c03\u7528\u540e\u53f0\u65b9\u6cd5\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a1. ajax \u8bf7\u6c42\uff1a\u4f7f\u7528 xmlhttprequest \u5bf9\u8c61\u521b\u5efa http \u8bf7\u6c42\uff0c\u53d1\u9001\u8bf7\u6c42\u5e76\u5904\u7406\u670d\u52a1\u5668\u54cd\u5e94\uff0c\u5982 json \u6216 xml\u30022. websocket\uff1a\u5efa\u7acb websocket \u8fde\u63a5\uff0c\u53d1\u9001\u6570\u636e\u5230\u670d\u52a1\u5668\u5e76\u63a5\u6536\u670d\u52a1\u5668\u54cd\u5e94\uff0c\u4f7f\u7528 send() \u548c onmessage \u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002 \u5982\u4f55\u4f7f\u7528 JavaScript \u8c03\u7528\u540e\u53f0\u65b9\u6cd5 JavaScript \u4e2d\u8c03\u7528\u540e\u53f0\u65b9\u6cd5\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\uff1a 1. AJAX \u8bf7\u6c42 AJAX (\u5f02\u6b65 JavaScript \u548c XML) \u5141\u8bb8 JavaScript \u4ee3\u7801\u4e0e\u540e\u53f0\u670d\u52a1\u5668\u8fdb\u884c\u5f02\u6b65\u901a\u4fe1\uff0c\u800c\u65e0\u9700\u91cd\u65b0\u52a0\u8f7d\u6574\u4e2a\u9875\u9762\u3002 \u4f7f\u7528 XMLHttpRequest \u5bf9\u8c61\u521b\u5efa HTTP \u8bf7\u6c42\u3002 \u6307\u5b9a\u8bf7\u6c42\u7684 URL\uff08\u540e\u53f0\u65b9\u6cd5\u7684\u8def\u5f84\uff09\u548c\u65b9\u6cd5\uff08\u5982 GET \u6216 POST\uff09\u3002 \u53d1\u9001\u8bf7\u6c42\u5e76\u5904\u7406\u670d\u52a1\u5668\u54cd\u5e94\uff0c\u901a\u5e38\u901a\u8fc7 JSON \u6216 XML \u683c\u5f0f\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 AJAX \u8c03\u7528\u540e\u53f0\u65b9\u6cd5\u7684\u793a\u4f8b\uff1a var xhr = [&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-3176","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3176","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=3176"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3176\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}