{"id":191,"date":"2023-05-11T17:26:04","date_gmt":"2023-05-11T09:26:04","guid":{"rendered":"https:\/\/www.edabao.net\/dabao\/?p=191"},"modified":"2023-05-11T17:26:04","modified_gmt":"2023-05-11T09:26:04","slug":"dapp%e5%bc%80%e5%8f%91vue%e5%81%9a%e4%bb%80%e4%b9%88%e7%94%a8%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.edabao.net\/dabao\/kaifaapp\/191\/","title":{"rendered":"dapp\u5f00\u53d1vue\u505a\u4ec0\u4e48\u7528\u7684\uff1f"},"content":{"rendered":"<p>DApp\u662f\u57fa\u4e8e\u533a\u5757\u94fe\u6280\u672f\u7684\u53bb\u4e2d\u5fc3\u5316\u5e94\u7528\uff0c\u5b83\u7684\u524d\u7aef\u901a\u5e38\u91c7\u7528Vue\u6846\u67b6\u8fdb\u884c\u5f00\u53d1\u3002Vue\u662f\u4e00\u6b3e\u6e10\u8fdb\u5f0fJavaScript\u6846\u67b6\uff0c\u5b83\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8eWeb\u524d\u7aef\u5f00\u53d1\u548c\u79fb\u52a8\u7aef\u5f00\u53d1\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Vue\u6846\u67b6\u5f00\u53d1DApp\u5e94\u7528\u3002<\/p>\n<p>\u4e00\u3001Vue\u6846\u67b6\u7b80\u4ecb<\/p>\n<p>Vue\u662f\u4e00\u6b3e\u8f7b\u91cf\u7ea7\u7684JavaScript\u6846\u67b6\uff0c\u5b83\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n<p>1. \u6e10\u8fdb\u5f0f\u6846\u67b6\uff1aVue\u7684\u6838\u5fc3\u5e93\u53ea\u5173\u6ce8\u89c6\u56fe\u5c42\uff0c\u6613\u4e8e\u96c6\u6210\u5230\u5176\u4ed6\u9879\u76ee\u4e2d\u3002<\/p>\n<p>2. \u54cd\u5e94\u5f0f\u6570\u636e\u7ed1\u5b9a\uff1aVue\u91c7\u7528\u4e86\u53cc\u5411\u6570\u636e\u7ed1\u5b9a\u7684\u673a\u5236\uff0c\u80fd\u591f\u5b9e\u65f6\u54cd\u5e94\u6570\u636e\u7684\u53d8\u5316\u3002<\/p>\n<p>3. \u7ec4\u4ef6\u5316\u5f00\u53d1\uff1aVue\u5c06UI\u754c\u9762\u62c6\u5206\u6210\u591a\u4e2a\u7ec4\u4ef6\uff0c\u6bcf\u4e2a\u7ec4\u4ef6\u90fd\u6709\u81ea\u5df1\u7684\u529f\u80fd\u548c\u6837\u5f0f\uff0c\u6613\u4e8e\u7ef4\u62a4\u548c\u7ba1\u7406\u3002<\/p>\n<p>\u4e8c\u3001DApp\u5f00\u53d1\u4e2d\u7684Vue\u6846\u67b6\u5e94\u7528<\/p>\n<p>1. \u5b89\u88c5Vue<\/p>\n<p>\u5728\u5f00\u59cbDApp\u5f00\u53d1\u4e4b\u524d\uff0c\u9700\u8981\u5148\u5b89\u88c5Vue\u6846\u67b6\u3002\u53ef\u4ee5\u4f7f\u7528npm\u6216yarn\u8fdb\u884c\u5b89\u88c5\uff0c\u5177\u4f53\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>npm install vue<\/p>\n<p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.cdn.yimenapp.com\/2023-03\/22\/11\/07279947997.jpg\" \/><\/figure>\n<\/p>\n<p>\u6216<\/p>\n<p>yarn add vue<\/p>\n<p>&#8220;`<\/p>\n<p>2. \u521b\u5efaVue\u9879\u76ee<\/p>\n<p>\u4f7f\u7528Vue-cli\u53ef\u4ee5\u5feb\u901f\u521b\u5efa\u4e00\u4e2aVue\u9879\u76ee\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>npm install -g @vue\/cli<\/p>\n<p>\u6216<\/p>\n<p>yarn global add @vue\/cli<\/p>\n<p>&#8220;`<\/p>\n<p>\u521b\u5efaVue\u9879\u76ee\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>vue create my-project<\/p>\n<p>&#8220;`<\/p>\n<p>\u5176\u4e2d\uff0cmy-project\u4e3a\u9879\u76ee\u540d\u79f0\u3002<\/p>\n<p>3. \u96c6\u6210Web3.js<\/p>\n<p>Web3.js\u662f\u4ee5\u592a\u574aDApp\u5f00\u53d1\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u4e00\u4e2a\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e0e\u4ee5\u592a\u574a\u533a\u5757\u94fe\u8fdb\u884c\u4ea4\u4e92\u7684API\u3002\u5728Vue\u9879\u76ee\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5Web3.js\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>npm install web3<\/p>\n<p>\u6216<\/p>\n<p>yarn add web3<\/p>\n<p>&#8220;`<\/p>\n<p>\u5728Vue\u9879\u76ee\u4e2d\uff0c\u9700\u8981\u5728main.js\u6587\u4ef6\u4e2d\u5f15\u5165Web3.js\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u5168\u5c40\u7684Web3\u5bf9\u8c61\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<p>&#8220;`javascript<\/p>\n<p>import Vue from &#8216;vue&#8217;<\/p>\n<p>i<a href=\"https:\/\/www.yimenapp.cn\/fengzhuang-1202.html\">\u4e91\u539f\u751f\u5f00\u53d1\u6846\u67b6<\/a>mport App from &#8216;.\/App.vue&#8217;<\/p>\n<p>import Web3 from &#8216;web3&#8217;<\/p>\n<p>Vue.config.prod<a href=\"https:\/\/www.yimenapp.cn\/fengzhuang-771.html\">\u94fe\u63a5\u8f6c\u5e94\u7528<\/a>uctionTip = false<\/p>\n<p>let web3<\/p>\n<p>if (typeof window.ethereum !== &#8216;undefined&#8217;) {<\/p>\n<p>  web3 = new Web3(window.ethereum)<\/p>\n<p>  try {<\/p>\n<p>    window.ethereum.enable().then(function() {<\/p>\n<p>      console.log(&#8216;User has allowed account access to DApp&#8230;&#8217;)<\/p>\n<p>    })<\/p>\n<p>  } catch (e) {<\/p>\n<p>    console.log(&#8216;User has denied account access to DApp&#8230;&#8217;)<\/p>\n<p>  }<\/p>\n<p>} else if (typeof window.web3 !== &#8216;undefined&#8217;) {<\/p>\n<p>  web3 = new Web3(window.web3.currentProvider)<\/p>\n<p>} else {<\/p>\n<p>  console.log(&#8216;No web3 detected&#8230;&#8217;)<\/p>\n<p>}<\/p>\n<p>Vue.prototype.$web3 = web3<\/p>\n<p>new Vue({<\/p>\n<p>  render: h =&gt; h(App),<\/p>\n<p>}).$mount(&#8216;#app&#8217;)<\/p>\n<p>&#8220;`<\/p>\n<p>\u5728\u4ee5\u4e0a\u4ee3\u7801\u4e2d\uff0c\u9996\u5148\u5f15\u5165\u4e86Vue\u548cWeb3.js\u3002\u7136\u540e\u521b\u5efa\u4e86\u4e00\u4e2a\u5168\u5c40\u7684Web3\u5bf9\u8c61\uff0c\u5e76\u5c06\u5176\u6302\u8f7d\u5230Vue\u7684\u539f\u578b\u4e0a\u3002\u8fd9\u6837\uff0c\u5728\u6574\u4e2aVue\u9879\u76ee\u4e2d\u90fd\u53ef\u4ee5\u901a\u8fc7this.$web3\u8bbf\u95eeWeb3\u5bf9\u8c61\u3002<\/p>\n<p>4. \u5f00\u53d1DApp\u5e94\u7528<\/p>\n<p>\u5728Vue\u9879\u76ee\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528Vue\u7ec4\u4ef6\u5f00\u53d1DApp\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684DApp\u5e94\u7528\uff0c\u7528\u4e8e\u67e5\u8be2\u4ee5\u592a\u574a\u8d26\u6237\u4f59\u989d\uff1a<\/p>\n<p>&#8220;`html<\/p>\n<p>\n<p>\n<p>    \u4ee5\u592a\u574a\u8d26\u6237\u4f59\u989d\u67e5\u8be2<\/p>\n<\/p>\n<p>    <button>\u67e5\u8be2\u4f59\u989d<\/button><\/p>\n<p>\n<p><p>\u8d26\u6237\u4f59\u989d\uff1a{{ balance }}<\/p>\n<\/p>\n<\/p>\n<\/p>\n<p>export default {<\/p>\n<p>  data() {<\/p>\n<p>    return {<\/p>\n<p>      address: &#8221;,<\/p>\n<p>      balance: &#8221;<\/p>\n<p>    }<\/p>\n<p>  },<\/p>\n<p>  methods: {<\/p>\n<p>    async getBalance() {<\/p>\n<p>      const balance = await this.$web3.eth.getBalance(this.address)<\/p>\n<p>      this.balance = this.$web3.utils.fromWei(balance, &#8216;ether&#8217;)<\/p>\n<p>    }<\/p>\n<p>  }<\/p>\n<p>}<\/p>\n<\/p>\n<p>&#8220;`<\/p>\n<p>\u5728\u4ee5\u4e0a\u4ee3\u7801\u4e2d\uff0c\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u8f93\u5165\u6846\u548c\u4e00\u4e2a\u6309\u94ae\uff0c\u7528\u4e8e\u8f93\u5165\u4ee5\u592a\u574a\u8d26\u6237\u5730\u5740\u548c\u67e5\u8be2\u4f59\u989d\u3002\u7136\u540e\u901a\u8fc7getBalance\u65b9\u6cd5\u8c03\u7528Web3.js\u7684API\uff0c\u83b7\u53d6\u8d26\u6237\u4f59\u989d\u3002\u6700\u540e\u5c06\u4f59\u989d\u663e\u793a\u5728\u9875\u9762\u4e0a\u3002<\/p>\n<p>\u4e09\u3001\u603b\u7ed3<\/p>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Vue\u6846\u67b6\u5f00\u53d1DApp\u5e94\u7528\u3002\u901a\u8fc7Vue\u6846\u67b6\u7684\u7ec4\u4ef6\u5316\u5f00\u53d1\u548cWeb3.js\u7684API\uff0c\u53ef\u4ee5\u5feb\u901f\u5f00\u53d1\u51fa\u529f\u80fd\u5f3a\u5927\u7684DApp\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DApp\u662f\u57fa\u4e8e\u533a\u5757\u94fe\u6280\u672f\u7684\u53bb\u4e2d\u5fc3\u5316\u5e94\u7528\uff0c\u5b83\u7684\u524d\u7aef\u901a\u5e38\u91c7\u7528Vue\u6846\u67b6\u8fdb\u884c\u5f00\u53d1\u3002Vue\u662f\u4e00\u6b3e\u6e10\u8fdb\u5f0fJavaScript\u6846\u67b6\uff0c\u5b83\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8eWeb\u524d\u7aef\u5f00\u53d1\u548c\u79fb\u52a8\u7aef\u5f00\u53d1\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Vue\u6846\u67b6\u5f00\u53d1DA<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[480,483,482,25,481],"topic":[],"class_list":["post-191","post","type-post","status-publish","format-standard","hentry","category-kaifaapp","tag-480","tag-483","tag-app","tag-25"],"_links":{"self":[{"href":"https:\/\/www.edabao.net\/dabao\/wp-json\/wp\/v2\/posts\/191","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.edabao.net\/dabao\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.edabao.net\/dabao\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.edabao.net\/dabao\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.edabao.net\/dabao\/wp-json\/wp\/v2\/comments?post=191"}],"version-history":[{"count":0,"href":"https:\/\/www.edabao.net\/dabao\/wp-json\/wp\/v2\/posts\/191\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.edabao.net\/dabao\/wp-json\/wp\/v2\/media?parent=191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.edabao.net\/dabao\/wp-json\/wp\/v2\/categories?post=191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.edabao.net\/dabao\/wp-json\/wp\/v2\/tags?post=191"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.edabao.net\/dabao\/wp-json\/wp\/v2\/topic?post=191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}