{"id":2840,"date":"2024-11-10T10:13:23","date_gmt":"2024-11-10T02:13:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/2840\/"},"modified":"2024-11-10T10:13:23","modified_gmt":"2024-11-10T02:13:23","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%b8%ad%ef%bc%8c%e5%a6%82%e4%bd%95%e7%b4%af%e5%8a%a0%e5%a4%9a%e4%b8%aa%e8%be%93%e5%85%a5%e6%a1%86%e7%9a%84%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/2840\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u5982\u4f55\u7d2f\u52a0\u591a\u4e2a\u8f93\u5165\u6846\u7684\u503c\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173089206472795.jpg\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u5982\u4f55\u7d2f\u52a0\u591a\u4e2a\u8f93\u5165\u6846\u7684\u503c\uff1f\u63d2\u56fe\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u5982\u4f55\u7d2f\u52a0\u591a\u4e2a\u8f93\u5165\u6846\u7684\u503c\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5728\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u5982\u4f55\u7d2f\u52a0\u591a\u4e2a\u8f93\u5165\u6846\u7684\u503c\uff1f<\/strong><\/p>\n<p>\u5728\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u8981\u5b9e\u73b0\u591a\u4e2a\u8f93\u5165\u6846\u7684\u503c\u7d2f\u52a0\uff0c\u9700\u8981\u4f7f\u7528 bindchange \u4e8b\u4ef6\u76d1\u542c\u6bcf\u4e2a\u8f93\u5165\u6846\u7684\u53d8\u5316\uff0c\u5e76\u4fdd\u5b58\u8f93\u5165\u7684\u503c\u3002\u4e0b\u9762\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\uff1a<\/p>\n<pre>page({\n  data: {\n    inputvalues: [],\n    sum: 0\n  },\n\n  oninput(e) {\n    \/\/ \u83b7\u53d6\u8f93\u5165\u6846\u7684\u7d22\u5f15\u548c\u503c\n    const index = parseint(e.target.dataset.index);\n    const value = parseint(e.target.value);\n\n    \/\/ \u66f4\u65b0\u8f93\u5165\u6846\u7684\u503c\u6570\u7ec4\n    this.setdata({\n      ['inputvalues[' + index + ']']: value\n    });\n\n    \/\/ \u8ba1\u7b97\u548c\u503c\u5e76\u66f4\u65b0\u6570\u636e\n    let sum = 0;\n    for (let i = 0; i &lt; this.data.inputvalues.length; i++) {\n      sum += this.data.inputvalues[i];\n    }\n    this.setdata({ sum });\n  }\n});<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u5c0f\u7a0b\u5e8f\u9875\u9762\u4e2d\u4f7f\u7528 wxml \u6a21\u677f\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;view&gt;\n  &lt;input data-index=\"0\" type=\"number\" bindinput=\"onInput\" placeholder=\"\u8f93\u5165\u503c\" \/&gt;\n  &lt;input data-index=\"1\" type=\"number\" bindinput=\"onInput\" placeholder=\"\u8f93\u5165\u503c\" \/&gt;\n  &lt;text&gt;\u548c\u503c\uff1a{{ sum }}&lt;\/text&gt;\n&lt;\/view&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5f53\u4fee\u6539\u4efb\u4f55\u4e00\u4e2a\u8f93\u5165\u6846\u7684\u503c\u65f6\uff0coninput \u4e8b\u4ef6\u5c06\u88ab\u89e6\u53d1\uff0c\u66f4\u65b0\u8f93\u5165\u6846\u7684\u503c\u5e76\u8ba1\u7b97\u548c\u503c\u3002\u548c\u503c\u5c06\u5b9e\u65f6\u663e\u793a\u5728\u9875\u9762\u4e0a\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u5982\u4f55\u7d2f\u52a0\u591a\u4e2a\u8f93\u5165\u6846\u7684\u503c\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>\u5728\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u5982\u4f55\u7d2f\u52a0\u591a\u4e2a\u8f93\u5165\u6846\u7684\u503c\uff1f \u5728\u5c0f\u7a0b\u5e8f\u4e2d\uff0c\u8981\u5b9e\u73b0\u591a\u4e2a\u8f93\u5165\u6846\u7684\u503c\u7d2f\u52a0\uff0c\u9700\u8981\u4f7f\u7528 bindchange \u4e8b\u4ef6\u76d1\u542c\u6bcf\u4e2a\u8f93\u5165\u6846\u7684\u53d8\u5316\uff0c\u5e76\u4fdd\u5b58\u8f93\u5165\u7684\u503c\u3002\u4e0b\u9762\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\uff1a page({ data: { inputvalues: [], sum: 0 }, oninput(e) { \/\/ \u83b7\u53d6\u8f93\u5165\u6846\u7684\u7d22\u5f15\u548c\u503c const index = parseint(e.target.dataset.index); const value = parseint(e.target.value); \/\/ \u66f4\u65b0\u8f93\u5165\u6846\u7684\u503c\u6570\u7ec4 this.setdata({ [&#8216;inputvalues[&#8216; + index + &#8216;]&#8217;]: value }); \/\/ \u8ba1\u7b97\u548c\u503c\u5e76\u66f4\u65b0\u6570\u636e let sum = 0; for (let i = 0; i &lt; this.data.inputvalues.length; i++) { sum += this.data.inputvalues[i]; } this.setdata({ [&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-2840","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2840","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=2840"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2840\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=2840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=2840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=2840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}