{"id":2133,"date":"2024-11-10T10:07:45","date_gmt":"2024-11-10T02:07:45","guid":{"rendered":"https:\/\/fwq.ai\/blog\/2133\/"},"modified":"2024-11-10T10:07:45","modified_gmt":"2024-11-10T02:07:45","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-ajax-%e5%ae%9e%e7%8e%b0%e7%9c%81%e5%b8%82%e5%8c%ba%e4%b8%89%e7%ba%a7%e8%81%94%e5%8a%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/2133\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 AJAX \u5b9e\u73b0\u7701\u5e02\u533a\u4e09\u7ea7\u8054\u52a8\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528<\/p>\n

\u7701\u5e02\u533a\u4e09\u7ea7\u8054\u52a8<\/strong><\/p>\n

\u672c\u4f8b\u5b9e\u73b0\u4f7f\u7528 ajax \u83b7\u53d6\u7701\u4efd\u3001\u57ce\u5e02\u3001\u533a\u53bf\u5217\u8868\uff0c\u5e76\u901a\u8fc7\u7ea7\u8054\u65b9\u5f0f\u5b9e\u73b0\u4e09\u7ea7\u8054\u52a8\u6548\u679c\u3002<\/p>\n

html \u4ee3\u7801\uff08\u7701\u4efd\u9009\u62e9\u5668\uff09<\/strong><\/p>\n

<select name=\"prov\"><\/select><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
javascript \u4ee3\u7801<\/strong><\/p>\n
\/\/ \u83b7\u53d6\u9875\u9762\u5143\u7d20\nconst selectProv = document.querySelector('select[name=\"prov\"]');\n\n\/\/ \u521b\u5efa AJAX \u5bf9\u8c61\nconst xhr = new XMLHttpRequest();\n\n\/\/ \u6253\u5f00\u8bf7\u6c42\nxhr.open('GET', '.\/sjld.php?fid=1');\n\n\/\/ \u8bbe\u7f6e\u54cd\u5e94\u7c7b\u578b\u4e3a JSON\nxhr.responseType = 'json';\n\n\/\/ \u53d1\u9001\u8bf7\u6c42\nxhr.send();\n\n\/\/ \u76d1\u542c\u54cd\u5e94\nxhr.onload = () => {\n  if (xhr.status === 200) {\n    \/\/ \u83b7\u53d6\u7701\u4efd\u6570\u636e\n    const provinces = xhr.response;\n\n    \/\/ \u904d\u5386\u7701\u4efd\u6570\u636e\n    provinces.forEach((province) => {\n      \/\/ \u521b\u5efa\u9009\u9879\u5143\u7d20\n      const provinceOption = document.createElement('option');\n\n      \/\/ \u8bbe\u7f6e\u9009\u9879\u5185\u5bb9\u548c\u503c\n      provinceOption.textContent = province.name;\n      provinceOption.value = province.id;\n\n      \/\/ \u6dfb\u52a0\u9009\u9879\u5230\u9009\u62e9\u5668\u4e2d\n      selectProv.appendChild(provinceOption);\n    });\n  }\n};<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u7ea7\u8054\u6548\u679c<\/strong><\/p>\n
\u7528\u6237\u9009\u62e9\u7701\u4efd\u540e\uff0c\u5c06\u4f1a\u89e6\u53d1 ajax \u8bf7\u6c42\u83b7\u53d6\u5bf9\u5e94\u5e02\u7684\u5217\u8868\uff0c\u5e76\u586b\u5145\u5230\u57ce\u5e02\u9009\u62e9\u5668\u4e2d\uff1b\u540c\u7406\uff0c\u9009\u62e9\u5e02\u540e\u4e5f\u4f1a\u89e6\u53d1 ajax \u8bf7\u6c42\u83b7\u53d6\u5bf9\u5e94\u533a\u53bf\u7684\u5217\u8868\uff0c\u5e76\u586b\u5145\u5230\u533a\u53bf\u9009\u62e9\u5668\u4e2d\u3002<\/p>\n
\u8865\u5145\u8bf4\u660e<\/strong><\/p>\n
    \n
  • sjld.php \u662f\u4e00\u4e2a php \u811a\u672c\uff0c\u7528\u4e8e\u83b7\u53d6\u7701\u5e02\u533a\u6570\u636e\uff0c\u5177\u4f53\u5b9e\u73b0\u9700\u8981\u6839\u636e\u5b9e\u9645\u6570\u636e\u5e93\u7ed3\u6784\u8c03\u6574\u3002<\/li>\n
  • \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u8fd8\u4f1a\u6d89\u53ca\u5176\u4ed6 ui \u4ea4\u4e92\u548c\u9519\u8bef\u5904\u7406\u903b\u8f91\uff0c\u8fd9\u91cc\u4ec5\u63d0\u4f9b\u57fa\u672c\u7684\u4e09\u7ea7\u8054\u52a8\u529f\u80fd\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 AJAX \u5b9e\u73b0\u7701\u5e02\u533a\u4e09\u7ea7\u8054\u52a8\uff1f\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":"
    \u7701\u5e02\u533a\u4e09\u7ea7\u8054\u52a8 \u672c\u4f8b\u5b9e\u73b0\u4f7f\u7528 ajax \u83b7\u53d6\u7701\u4efd\u3001\u57ce\u5e02\u3001\u533a\u53bf\u5217\u8868\uff0c\u5e76\u901a\u8fc7\u7ea7\u8054\u65b9\u5f0f\u5b9e\u73b0\u4e09\u7ea7\u8054\u52a8\u6548\u679c\u3002 html \u4ee3\u7801\uff08\u7701\u4efd\u9009\u62e9\u5668\uff09 <select name=”prov”><\/select> \u767b\u5f55\u540e\u590d\u5236 javascript \u4ee3\u7801 \/\/ \u83b7\u53d6\u9875\u9762\u5143\u7d20 const selectProv = document.querySelector(‘select[name=”prov”]’); \/\/ \u521b\u5efa AJAX \u5bf9\u8c61 const xhr = new XMLHttpRequest(); \/\/ \u6253\u5f00\u8bf7\u6c42 xhr.open(‘GET’, ‘.\/sjld.php?fid=1’); \/\/ \u8bbe\u7f6e\u54cd\u5e94\u7c7b\u578b\u4e3a JSON xhr.responseType = ‘json’; \/\/ \u53d1\u9001\u8bf7\u6c42 xhr.send(); \/\/ \u76d1\u542c\u54cd\u5e94 xhr.onload = () => { if (xhr.status === 200) { \/\/ \u83b7\u53d6\u7701\u4efd\u6570\u636e const provinces […]<\/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-2133","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2133","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=2133"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2133\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=2133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=2133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=2133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}