{"id":33794,"date":"2024-11-25T12:20:23","date_gmt":"2024-11-25T04:20:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/33794\/"},"modified":"2024-11-25T12:20:23","modified_gmt":"2024-11-25T04:20:23","slug":"%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%b8%ad%e5%a6%82%e4%bd%95%e7%94%9f%e6%88%90%e5%b0%8f%e7%a8%8b%e5%ba%8f%e7%a0%81","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/33794\/","title":{"rendered":"\u5c0f\u7a0b\u5e8f\u4e2d\u5982\u4f55\u751f\u6210\u5c0f\u7a0b\u5e8f\u7801"},"content":{"rendered":"

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<view>\u5c0f\u7a0b\u5e8f\u7801<\/view><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5c0f\u7a0b\u5e8f\u7aef\u903b\u8f91\u4ee3\u7801<\/p>\n
Page({\n  data: {},\n  \/\/ \u7ed1\u5b9a\u7684\u70b9\u51fb\u4e8b\u4ef6\u51fd\u6570\n  onViewTap() {\n    this.createQrCode(); \/\/ \u8c03\u7528\u751f\u6210\u5c0f\u7a0b\u5e8f\u7801\n  },\n\n  \/\/ \u751f\u6210\u5c0f\u7a0b\u5e8f\u7801\n  createQrCode() {\n    this.showLoading();\n    wx.cloud\n      .callFunction({\n        \/\/ \u8bf7\u6c42\u4e91\u51fd\u6570\n        \/\/ \u4e91\u51fd\u6570getQrCode\n        name: 'getQrCode',\n      })\n      .then((res) =&gt; {\n        console.log(res);\n        const fileId = res.result;\n        wx.previewImage({\n          \/\/ \u5c0f\u7a0b\u5e8f\u7801,\u751f\u6210\u540e\u76f4\u63a5\u9884\u89c8,\u524d\u53f0\u5c55\u793a\n          urls: [fileId],\n          current: fileId,\n        });\n        this.hideLoading();\n      });\n  },\n\n  \/\/ toast\u751f\u6210\u4e2d\n  showLoading() {\n    wx.showLoading({\n      title: '\u6b63\u5728\u751f\u6210\u4e2d...',\n      icon: 'none',\n    });\n  },\n\n  hideLoading() {\n    wx.hideLoading();\n  },\n});<\/pre>\n
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\u5176\u4e2dconfig.json\u5185\u4e3a<\/p>\n
{\n  \"permissions\": {\n    \"openapi\": [\n      \"wxacode.getUnlimited\"\n    ]\n  }\n}<\/pre>\n
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\u800cindex.js\u4e2d\u5982\u4e0b\u4ee3\u7801<\/p>\n
\/\/ \u4e91\u51fd\u6570\u5165\u53e3\u6587\u4ef6\nconst cloud = require('wx-server-sdk');\n\ncloud.init();\n\n\/\/ \u4e91\u51fd\u6570\u5165\u53e3\u51fd\u6570\nexports.main = async (event, context) =&gt; {\n  const wxContext = cloud.getWXContext(); \/\/ \u83b7\u53d6\u4e0a\u4e0b\u6587\n  const result = await cloud.openapi.wxacode.getUnlimited({\n    \/\/ \u8c03\u7528\u751f\u6210\u5c0f\u7a0b\u5e8f\u7801\u7684\u63a5\u53e3\uff0c\u643a\u5e26\u4e00\u4e9b\u53c2\u6570,\u4f8b\u5982:scene\n    scene: wxContext.OPENID,\n  });\n  \/\/ console.log(result)\n  const upload = await cloud.uploadFile({\n    \/\/ \u751f\u6210\u7684\u5c0f\u7a0b\u5e8f\u7801\u4e0a\u4f20\u5230\u4e91\u5b58\u50a8\u4e2d\n    cloudPath: 'qrcode\/' + Date.now() + '-' + Math.random() + '.png', \/\/ \u751f\u6210\u7684\u5c0f\u7a0b\u5e8f\u7801\u5b58\u50a8\u5230\u4e91\u5b58\u50a8\u5f53\u4e2d\u53bb\uff0c\u8def\u5f84\n    fileContent: result.buffer,\n  });\n  return upload.fileID; \/\/ \u8fd4\u56de\u6587\u4ef6\u7684fileID,\u4e5f\u5c31\u662f\u8be5\u56fe\u7247\n};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
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\u7ed3\u8bed<\/p>\n
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\u5728\u5c0f\u7a0b\u5e8f\u7aef\u53d1\u8d77\u8bf7\u8bf7\u6c42\u751f\u6210\u5c0f\u7a0b\u5e8f\u7801\u7684\u4e91\u51fd\u6570,\u4e91\u51fd\u6570\u7aef\u501f\u7528\u4e91\u8c03\u7528\u6839\u636ewxcode.getUnlimited\u8fd9\u4e2a\u63a5\u53e3\u751f\u6210\u5c0f\u7a0b\u5e8f\u7801,\u7136\u540e\u4e0a\u4f20\u5230\u4e91\u5b58\u50a8\u4e2d,\u8fd4\u56de\u4e91\u5b58\u50a8\u4e2d\u7684\u56fe\u7247\u7684fileID,\u5728\u5c0f\u7a0b\u5e8f\u7aef\u5c31\u53ef\u4ee5\u62ff\u5230\u4e91\u51fd\u6570\u7aef\u8fd4\u56defileID,\u6839\u636e\u8fd9\u4e2afileID\u628a\u5c0f\u7a0b\u5e8f\u7801\u5c55\u793a\u51fa\u6765.<\/p>\n
\u76f8\u5173\u63a8\u8350\uff1a<\/p>\n
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