{"id":4159,"date":"2024-11-10T16:49:18","date_gmt":"2024-11-10T08:49:18","guid":{"rendered":"https:\/\/fwq.ai\/blog\/4159\/"},"modified":"2024-11-10T16:49:18","modified_gmt":"2024-11-10T08:49:18","slug":"%e4%b8%89%e7%ba%a7%e8%81%94%e5%8a%a8%e4%b8%8b%e6%8b%89%e6%a1%86%e4%b8%ad%ef%bc%8cjs-%e8%b5%8b%e5%80%bc%e4%b8%ba%e4%bd%95%e6%97%a0%e6%b3%95%e8%a7%a6%e5%8f%91-change-%e4%ba%8b%e4%bb%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/4159\/","title":{"rendered":"\u4e09\u7ea7\u8054\u52a8\u4e0b\u62c9\u6846\u4e2d\uff0cJS \u8d4b\u503c\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1 Change \u4e8b\u4ef6\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173123499356859.jpg\" class=\"aligncenter\" title=\"\u4e09\u7ea7\u8054\u52a8\u4e0b\u62c9\u6846\u4e2d\uff0cJS \u8d4b\u503c\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1 Change \u4e8b\u4ef6\uff1f\u63d2\u56fe\" alt=\"\u4e09\u7ea7\u8054\u52a8\u4e0b\u62c9\u6846\u4e2d\uff0cJS \u8d4b\u503c\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1 Change \u4e8b\u4ef6\uff1f\u63d2\u56fe\" \/><\/p>\n<h2>js \u89e6\u53d1 change \u4e8b\u4ef6\u56f0\u96be\u8ffd\u8e2a<\/h2>\n<p>\u5728\u4e09\u7ea7\u8054\u52a8\u4e0b\u62c9\u6846\u4e2d\uff0c\u76f4\u63a5\u4f7f\u7528 jquery \u8d4b\u503c #province \uff08\u5373\u7701\u4efd\u4e0b\u62c9\u6846\uff09\u5e76\u4e0d\u4f1a\u89e6\u53d1\u76f8\u5e94\u7684\u8054\u52a8\u4e8b\u4ef6\uff0c\u5bfc\u81f4\u5e02\u7ea7\u4e0b\u62c9\u6846\u65e0\u6cd5\u5c55\u793a\u6b63\u786e\u7684\u6570\u636e\u3002<\/p>\n<p><strong>\u95ee\u9898\u6839\u6e90\uff1a<\/strong><\/p>\n<p>js \u65e0\u6cd5\u76f4\u63a5\u89e6\u53d1 change \u4e8b\u4ef6\uff0c\u56e0\u4e3a\u6d4f\u89c8\u5668\u53ea\u4f1a\u5728\u7528\u6237\u4ea4\u4e92\u65f6\u89e6\u53d1\u8be5\u4e8b\u4ef6\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u89e6\u53d1 change \u4e8b\u4ef6\uff0c\u4ece\u800c\u89e3\u51b3\u65e0\u6cd5\u8054\u52a8\u7684\u96be\u9898\uff1a<\/p>\n<pre>let evt = document.createEvent('HTMLEvents');\nevt.initEvent('change', false, true);\/\/\u9875\u9762\u7684\u4e0b\u62c9\u6846change\u4e8b\u4ef6\nselect.dispatchEvent(evt);\/\/select\u662f\u4e0b\u62c9\u6846\u5143\u7d20<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4e09\u7ea7\u8054\u52a8\u4e0b\u62c9\u6846\u4e2d\uff0cJS \u8d4b\u503c\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1 Change \u4e8b\u4ef6\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":"<p>js \u89e6\u53d1 change \u4e8b\u4ef6\u56f0\u96be\u8ffd\u8e2a \u5728\u4e09\u7ea7\u8054\u52a8\u4e0b\u62c9\u6846\u4e2d\uff0c\u76f4\u63a5\u4f7f\u7528 jquery \u8d4b\u503c #province \uff08\u5373\u7701\u4efd\u4e0b\u62c9\u6846\uff09\u5e76\u4e0d\u4f1a\u89e6\u53d1\u76f8\u5e94\u7684\u8054\u52a8\u4e8b\u4ef6\uff0c\u5bfc\u81f4\u5e02\u7ea7\u4e0b\u62c9\u6846\u65e0\u6cd5\u5c55\u793a\u6b63\u786e\u7684\u6570\u636e\u3002 \u95ee\u9898\u6839\u6e90\uff1a js \u65e0\u6cd5\u76f4\u63a5\u89e6\u53d1 change \u4e8b\u4ef6\uff0c\u56e0\u4e3a\u6d4f\u89c8\u5668\u53ea\u4f1a\u5728\u7528\u6237\u4ea4\u4e92\u65f6\u89e6\u53d1\u8be5\u4e8b\u4ef6\u3002 \u89e3\u51b3\u65b9\u6848\uff1a \u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u89e6\u53d1 change \u4e8b\u4ef6\uff0c\u4ece\u800c\u89e3\u51b3\u65e0\u6cd5\u8054\u52a8\u7684\u96be\u9898\uff1a let evt = document.createEvent(&#8216;HTMLEvents&#8217;); evt.initEvent(&#8216;change&#8217;, false, true);\/\/\u9875\u9762\u7684\u4e0b\u62c9\u6846change\u4e8b\u4ef6 select.dispatchEvent(evt);\/\/select\u662f\u4e0b\u62c9\u6846\u5143\u7d20 \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u5c31\u662f\u4e09\u7ea7\u8054\u52a8\u4e0b\u62c9\u6846\u4e2d\uff0cJS \u8d4b\u503c\u4e3a\u4f55\u65e0\u6cd5\u89e6\u53d1 Change \u4e8b\u4ef6\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},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-4159","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/4159","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=4159"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/4159\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=4159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=4159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=4159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}