{"id":3247,"date":"2024-11-10T09:56:55","date_gmt":"2024-11-10T01:56:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3247\/"},"modified":"2024-11-10T09:56:55","modified_gmt":"2024-11-10T01:56:55","slug":"js%e5%a6%82%e4%bd%95%e8%b0%83%e7%94%a8webservice","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3247\/","title":{"rendered":"js\u5982\u4f55\u8c03\u7528webservice"},"content":{"rendered":"<blockquote><p>\n  \u5982\u4f55\u4f7f\u7528 javascript \u8c03\u7528 web \u670d\u52a1\uff1a\u83b7\u53d6 web \u670d\u52a1 url \u548c\u64cd\u4f5c\uff1b\u521b\u5efa xmlhttprequest \u5bf9\u8c61\uff1b\u8bbe\u7f6e\u8bf7\u6c42\u5c5e\u6027\uff08url\u3001\u65b9\u6cd5\u3001\u6807\u5934\uff09\uff1b\u53d1\u9001\u8bf7\u6c42\uff08\u4f20\u9012\u6570\u636e\uff09\uff1b\u5904\u7406\u54cd\u5e94\uff08\u89e3\u6790\u6570\u636e\uff09\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110808131486279.jpg\" class=\"aligncenter\" title=\"js\u5982\u4f55\u8c03\u7528webservice\u63d2\u56fe\" alt=\"js\u5982\u4f55\u8c03\u7528webservice\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 JavaScript \u8c03\u7528 Web \u670d\u52a1<\/strong><\/p>\n<p>JavaScript \u662f\u4e00\u79cd\u5ba2\u6237\u7aef\u811a\u672c\u8bed\u8a00\uff0c\u5b83\u5141\u8bb8\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u4ea4\u4e92\uff0c\u5305\u62ec\u8c03\u7528 Web \u670d\u52a1\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528 JavaScript \u8c03\u7528 Web \u670d\u52a1\uff1a<\/p>\n<p><strong>\u6b65\u9aa4 1\uff1a\u4e86\u89e3 Web \u670d\u52a1 URL \u548c\u64cd\u4f5c<\/strong><\/p>\n<p>\u786e\u5b9a\u60a8\u8981\u8c03\u7528\u7684 Web \u670d\u52a1\u7684 URL \u548c\u7279\u5b9a\u7684\u64cd\u4f5c\uff08\u4f8b\u5982\uff0c\u83b7\u53d6\u5ba2\u6237\u4fe1\u606f\uff09\u3002<\/p>\n<p><strong>\u6b65\u9aa4 2\uff1a\u521b\u5efa XMLHTTPRequest \u5bf9\u8c61<\/strong><\/p>\n<p>\u5728 JavaScript \u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 XMLHttpRequest \u5bf9\u8c61\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u4ea4\u4e92\u3002\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 XMLHttpRequest \u5bf9\u8c61\uff1a<\/p>\n<pre>const request = new XMLHttpRequest();<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u6b65\u9aa4 3\uff1a\u8bbe\u7f6e\u8bf7\u6c42\u5c5e\u6027<\/strong><\/p>\n<p>\u8bbe\u7f6e request \u5bf9\u8c61\u7684\u4ee5\u4e0b\u5c5e\u6027\uff1a<\/p>\n<ul>\n<li>open(method, url, async)\uff1a\u6307\u5b9a\u8bf7\u6c42\u65b9\u6cd5\uff08\u901a\u5e38\u4e3a &#8220;GET&#8221; \u6216 &#8220;POST&#8221;\uff09\u3001Web \u670d\u52a1 URL \u548c\u662f\u5426\u4e3a\u5f02\u6b65\u8c03\u7528\u3002<\/li>\n<li>setRequestHeader(header, value)\uff1a\u8bbe\u7f6e\u8bf7\u6c42\u6807\u5934\u3002\u5bf9\u4e8e SOAP Web \u670d\u52a1\uff0c\u9700\u8981\u8bbe\u7f6e &#8220;Content-Type&#8221; \u6807\u5934\u4e3a &#8220;text\/xml;charset=UTF-8&#8243;\u3002<\/li>\n<\/ul>\n<p><strong>\u6b65\u9aa4 4\uff1a\u53d1\u9001\u8bf7\u6c42<\/strong><\/p>\n<p>\u4f7f\u7528 send() \u65b9\u6cd5\u53d1\u9001\u8bf7\u6c42\uff1a<\/p>\n<pre>request.send(data); \/\/ \u5982\u679c\u662f POST \u8bf7\u6c42\uff0c\u5219\u4f20\u9012\u6570\u636e<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u6b65\u9aa4 5\uff1a\u5904\u7406\u54cd\u5e94<\/strong><\/p>\n<p>\u76d1\u542c readystatechange \u4e8b\u4ef6\u6765\u5904\u7406\u670d\u52a1\u5668\u54cd\u5e94\uff1a<\/p>\n<pre>request.onreadystatechange = function() {\n  if (request.readyState === 4 &amp;&amp; request.status === 200) {\n    \/\/ \u89e3\u6790\u5e76\u4f7f\u7528\u54cd\u5e94\u6570\u636e\n    const response = request.responseXML || request.responseText;\n  }\n};<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u83b7\u53d6\u6307\u5b9a ID \u7684\u5ba2\u6237\u7684\u4fe1\u606f\uff1a<\/p>\n<pre>\/\/ \u8bbe\u7f6e\u8bf7\u6c42\u5c5e\u6027\nconst request = new XMLHttpRequest();\nrequest.open(\"GET\", \"https:\/\/example.com\/api\/get-customer?id=123\", true);\nrequest.setRequestHeader(\"Content-Type\", \"text\/xml;charset=UTF-8\");\n\n\/\/ \u53d1\u9001\u8bf7\u6c42\nrequest.send();\n\n\/\/ \u5904\u7406\u54cd\u5e94\nrequest.onreadystatechange = function() {\n  if (request.readyState === 4 &amp;&amp; request.status === 200) {\n    \/\/ \u89e3\u6790 XML \u54cd\u5e94\u5e76\u63d0\u53d6\u5ba2\u6237\u4fe1\u606f\n    const customerInfo = request.responseXML.querySelector(\"customer\");\n    const name = customerInfo.querySelector(\"name\").textContent;\n    const email = customerInfo.querySelector(\"email\").textContent;\n\n    \/\/ \u4f7f\u7528\u5ba2\u6237\u4fe1\u606f\n    console.log(`Customer Name: ${name}`);\n    console.log(`Customer Email: ${email}`);\n  }\n};<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjs\u5982\u4f55\u8c03\u7528webservice\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>\u5982\u4f55\u4f7f\u7528 javascript \u8c03\u7528 web \u670d\u52a1\uff1a\u83b7\u53d6 web \u670d\u52a1 url \u548c\u64cd\u4f5c\uff1b\u521b\u5efa xmlhttprequest \u5bf9\u8c61\uff1b\u8bbe\u7f6e\u8bf7\u6c42\u5c5e\u6027\uff08url\u3001\u65b9\u6cd5\u3001\u6807\u5934\uff09\uff1b\u53d1\u9001\u8bf7\u6c42\uff08\u4f20\u9012\u6570\u636e\uff09\uff1b\u5904\u7406\u54cd\u5e94\uff08\u89e3\u6790\u6570\u636e\uff09\u3002 \u5982\u4f55\u4f7f\u7528 JavaScript \u8c03\u7528 Web \u670d\u52a1 JavaScript \u662f\u4e00\u79cd\u5ba2\u6237\u7aef\u811a\u672c\u8bed\u8a00\uff0c\u5b83\u5141\u8bb8\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u4ea4\u4e92\uff0c\u5305\u62ec\u8c03\u7528 Web \u670d\u52a1\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528 JavaScript \u8c03\u7528 Web \u670d\u52a1\uff1a \u6b65\u9aa4 1\uff1a\u4e86\u89e3 Web \u670d\u52a1 URL \u548c\u64cd\u4f5c \u786e\u5b9a\u60a8\u8981\u8c03\u7528\u7684 Web \u670d\u52a1\u7684 URL \u548c\u7279\u5b9a\u7684\u64cd\u4f5c\uff08\u4f8b\u5982\uff0c\u83b7\u53d6\u5ba2\u6237\u4fe1\u606f\uff09\u3002 \u6b65\u9aa4 2\uff1a\u521b\u5efa XMLHTTPRequest \u5bf9\u8c61 \u5728 JavaScript \u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 XMLHttpRequest \u5bf9\u8c61\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u4ea4\u4e92\u3002\u521b\u5efa\u4e00\u4e2a\u65b0\u7684 XMLHttpRequest \u5bf9\u8c61\uff1a const request = new XMLHttpRequest(); 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