{"id":163211,"date":"2024-11-04T21:37:03","date_gmt":"2024-11-04T13:37:03","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163211\/"},"modified":"2024-11-04T21:37:04","modified_gmt":"2024-11-04T13:37:04","slug":"%e8%a7%a3%e6%b1%baajax%e9%a1%af%e7%a4%ba%e5%95%8f%e9%a1%8c%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e7%84%a1%e6%b3%95%e5%8f%96%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%83%85%e6%b3%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163211\/","title":{"rendered":"\u89e3\u6c7aAjax\u986f\u793a\u554f\u984c\uff1a\u5982\u4f55\u89e3\u6c7a\u7121\u6cd5\u53d6\u5230\u6578\u64da\u5eab\u7684\u60c5\u6cc1\uff1f\uff08Ajax\u986f\u793a \u53d6\u4e0d\u5230\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%baajax%e9%a1%af%e7%a4%ba%e5%95%8f%e9%a1%8c%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e7%84%a1%e6%b3%95%e5%8f%96%e5%88%b0%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%83%85%e6%b3%81-lFMWoLaoxj\">\u89e3\u6c7aAjax\u986f\u793a\u554f\u984c\uff1a\u5982\u4f55\u89e3\u6c7a\u7121\u6cd5\u53d6\u5230\u6578\u64da\u5eab\u7684\u60c5\u6cc1\uff1f<\/h1>\n<p>\u5728\u73fe\u4ee3\u7db2\u9801\u958b\u767c\u4e2d\uff0cAjax\uff08Asynchronous JavaScript and XML\uff09\u6280\u8853\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5be6\u73fe\u7121\u5237\u65b0\u9801\u9762\u6578\u64da\u52a0\u8f09\u3002\u7136\u800c\uff0c\u958b\u767c\u8005\u5728\u4f7f\u7528Ajax\u6642\uff0c\u7d93\u5e38\u6703\u9047\u5230\u7121\u6cd5\u5f9e\u6578\u64da\u5eab\u7372\u53d6\u6578\u64da\u7684\u554f\u984c\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5e38\u898b\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u5730\u6392\u67e5\u548c\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-lFMWoLaoxj\">\u5e38\u898b\u539f\u56e0<\/h2>\n<p>\u5728\u4f7f\u7528Ajax\u9032\u884c\u6578\u64da\u8acb\u6c42\u6642\uff0c\u7121\u6cd5\u7372\u53d6\u6578\u64da\u7684\u539f\u56e0\u53ef\u80fd\u6709\u591a\u7a2e\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>URL\u932f\u8aa4\uff1a<\/strong>\u8acb\u6c42\u7684URL\u53ef\u80fd\u4e0d\u6b63\u78ba\uff0c\u5c0e\u81f4\u7121\u6cd5\u627e\u5230\u76f8\u61c9\u7684API\u6216\u6578\u64da\u7aef\u9ede\u3002<\/li>\n<li><strong>\u8de8\u57df\u8acb\u6c42\u554f\u984c\uff1a<\/strong>\u5982\u679c\u524d\u7aef\u548c\u5f8c\u7aef\u4e0d\u5728\u540c\u4e00\u500b\u57df\u540d\u4e0b\uff0c\u53ef\u80fd\u6703\u9047\u5230CORS\uff08Cross-Origin Resource Sharing\uff09\u554f\u984c\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u9023\u63a5\u554f\u984c\uff1a<\/strong>\u5f8c\u7aef\u670d\u52d9\u5668\u53ef\u80fd\u7121\u6cd5\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u9019\u53ef\u80fd\u662f\u7531\u65bc\u914d\u7f6e\u932f\u8aa4\u6216\u6578\u64da\u5eab\u670d\u52d9\u672a\u555f\u52d5\u3002<\/li>\n<li><strong>\u4f3a\u670d\u5668\u932f\u8aa4\uff1a<\/strong>\u4f3a\u670d\u5668\u7aef\u7684\u4ee3\u78bc\u53ef\u80fd\u5b58\u5728\u932f\u8aa4\uff0c\u5c0e\u81f4\u7121\u6cd5\u6b63\u78ba\u8655\u7406\u8acb\u6c42\u3002<\/li>\n<li><strong>\u7db2\u7d61\u554f\u984c\uff1a<\/strong>\u7528\u6236\u7684\u7db2\u7d61\u9023\u63a5\u4e0d\u7a69\u5b9a\uff0c\u53ef\u80fd\u5c0e\u81f4\u8acb\u6c42\u8d85\u6642\u6216\u5931\u6557\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-lFMWoLaoxj\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5url-lFMWoLaoxj\">1. \u6aa2\u67e5URL<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fddAjax\u8acb\u6c42\u7684URL\u6b63\u78ba\u7121\u8aa4\u3002\u53ef\u4ee5\u5728\u700f\u89bd\u5668\u7684\u958b\u767c\u8005\u5de5\u5177\u4e2d\u67e5\u770b\u7db2\u7d61\u8acb\u6c42\uff0c\u78ba\u8a8d\u8acb\u6c42\u7684URL\u662f\u5426\u6b63\u78ba\u3002<\/p>\n<pre><code>\n$.ajax({\n    url: \"https:\/\/example.com\/api\/data\", \/\/ \u78ba\u4fdd\u9019\u88e1\u7684URL\u6b63\u78ba\n    method: \"GET\",\n    success: function(data) {\n        console.log(data);\n    },\n    error: function(xhr, status, error) {\n        console.error(\"\u8acb\u6c42\u5931\u6557: \" + error);\n    }\n});\n<\/code><\/pre>\n<h3 id=\"2-%e8%99%95%e7%90%86cors%e5%95%8f%e9%a1%8c-lFMWoLaoxj\">2. \u8655\u7406CORS\u554f\u984c<\/h3>\n<p>\u5982\u679c\u9047\u5230\u8de8\u57df\u8acb\u6c42\u554f\u984c\uff0c\u53ef\u4ee5\u5728\u5f8c\u7aef\u670d\u52d9\u5668\u4e0a\u8a2d\u7f6eCORS\u6a19\u982d\u3002\u4ee5\u4e0b\u662fNode.js\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nconst express = require('express');\nconst cors = require('cors');\nconst app = express();\n\napp.use(cors()); \/\/ \u5141\u8a31\u6240\u6709\u57df\u540d\u7684\u8acb\u6c42\n\napp.get('\/api\/data', (req, res) =&gt; {\n    res.json({ message: \"\u6210\u529f\u7372\u53d6\u6578\u64da\" });\n});\n<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-lFMWoLaoxj\">3. \u6aa2\u67e5\u6578\u64da\u5eab\u9023\u63a5<\/h3>\n<p>\u78ba\u4fdd\u5f8c\u7aef\u670d\u52d9\u5668\u80fd\u5920\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u78ba\u4fdd\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\u6b63\u78ba\u7121\u8aa4\u3002<\/p>\n<pre><code>\nconst mysql = require('mysql');\nconst connection = mysql.createConnection({\n    host: 'localhost',\n    user: 'yourUsername',\n    password: 'yourPassword',\n    database: 'yourDatabase'\n});\n\nconnection.connect((err) =&gt; {\n    if (err) {\n        console.error('\u6578\u64da\u5eab\u9023\u63a5\u5931\u6557: ' + err.stack);\n        return;\n    }\n    console.log('\u5df2\u9023\u63a5\u5230\u6578\u64da\u5eab');\n});\n<\/code><\/pre>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%ab%af%e4%bb%a3%e7%a2%bc-lFMWoLaoxj\">4. \u6aa2\u67e5\u4f3a\u670d\u5668\u7aef\u4ee3\u78bc<\/h3>\n<p>\u5982\u679c\u4f3a\u670d\u5668\u7aef\u4ee3\u78bc\u5b58\u5728\u932f\u8aa4\uff0c\u8acb\u6aa2\u67e5\u65e5\u8a8c\u4ee5\u7372\u53d6\u8a73\u7d30\u7684\u932f\u8aa4\u4fe1\u606f\u3002\u78ba\u4fddAPI\u80fd\u5920\u6b63\u78ba\u8655\u7406\u8acb\u6c42\u4e26\u8fd4\u56de\u6578\u64da\u3002<\/p>\n<h3 id=\"5-%e6%b8%ac%e8%a9%a6%e7%b6%b2%e7%b5%a1%e9%80%a3%e6%8e%a5-lFMWoLaoxj\">5. \u6e2c\u8a66\u7db2\u7d61\u9023\u63a5<\/h3>\n<p>\u6700\u5f8c\uff0c\u6aa2\u67e5\u7528\u6236\u7684\u7db2\u7d61\u9023\u63a5\u662f\u5426\u6b63\u5e38\u3002\u53ef\u4ee5\u4f7f\u7528ping\u547d\u4ee4\u6216\u5176\u4ed6\u7db2\u7d61\u8a3a\u65b7\u5de5\u5177\u4f86\u78ba\u8a8d\u7db2\u7d61\u72c0\u614b\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lFMWoLaoxj\">\u7e3d\u7d50<\/h2>\n<p>\u5728\u4f7f\u7528Ajax\u6280\u8853\u6642\uff0c\u7121\u6cd5\u5f9e\u6578\u64da\u5eab\u7372\u53d6\u6578\u64da\u7684\u554f\u984c\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u5f15\u8d77\u3002\u901a\u904e\u6aa2\u67e5URL\u3001\u8655\u7406CORS\u554f\u984c\u3001\u78ba\u8a8d\u6578\u64da\u5eab\u9023\u63a5\u3001\u6aa2\u67e5\u4f3a\u670d\u5668\u7aef\u4ee3\u78bc\u4ee5\u53ca\u6e2c\u8a66\u7db2\u7d61\u9023\u63a5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u6392\u67e5\u548c\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u4f3a\u670d\u5668\u74b0\u5883\u81f3\u95dc\u91cd\u8981\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u7684\u8cc7\u8a0a\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u61c9\u7528\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aAjax\u986f\u793a\u554f\u984c\uff0c\u63a2\u8a0e\u5982\u4f55\u8655\u7406\u7121\u6cd5\u5f9e\u6578\u64da\u5eab\u7372\u53d6\u6578\u64da\u7684\u60c5\u6cc1\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u8207\u6280\u5de7\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-163211","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163211","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=163211"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163211\/revisions"}],"predecessor-version":[{"id":163212,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163211\/revisions\/163212"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163211"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163211"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163211"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}