{"id":32537,"date":"2024-11-25T08:43:31","date_gmt":"2024-11-25T00:43:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/32537\/"},"modified":"2024-11-25T08:43:31","modified_gmt":"2024-11-25T00:43:31","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%b8%ad%e4%bf%9d%e5%ad%98%e7%bd%91%e7%bb%9c%e5%9b%be%e7%89%87%e7%9a%84%e6%96%b9%e6%b3%95%e4%bb%8b%e7%bb%8d%ef%bc%88%e4%bb%a3%e7%a0%81%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/32537\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u4fdd\u5b58\u7f51\u7edc\u56fe\u7247\u7684\u65b9\u6cd5\u4ecb\u7ecd\uff08\u4ee3\u7801\u793a\u4f8b\uff09"},"content":{"rendered":"

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5e26\u6765\u7684\u5185\u5bb9\u662f\u5173\u4e8e\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u4fdd\u5b58\u7f51\u7edc\u56fe\u7247\u7684\u65b9\u6cd5\u4ecb\u7ecd\uff08\u4ee3\u7801\u793a\u4f8b\uff09\uff0c\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n

\u8be5\u529f\u80fd\u9700\u8981\u6dfb\u52a0appid\u624d\u80fd\u8fdb\u884c\u6b63\u5e38\u7684\u6d4b\u8bd5\u3002<\/p>\n

\u5728\u5c0f\u7a0b\u5e8f\u7684\u6587\u6863\u4e2d\u6211\u4eec\u5f97\u77e5\uff0cwx.saveImageToPhotosAlbum \u662f\u7528\u6765\u4fdd\u5b58\u56fe\u7247\u5230\u76f8\u518c\u7684\u3002<\/p>\n

\u4f46\u662f\u4ed4\u7ec6\u4e00\u770b\u4f1a\u53d1\u73b0\u8fd9\u4e2a\u63a5\u53e3\u7684filePath\u53c2\u6570\u53ea\u63a5\u53d7\u4e34\u65f6\u6587\u4ef6\u8def\u5f84\u6216\u6c38\u4e45\u6587\u4ef6\u8def\u5f84\uff0c\u4e0d\u652f\u6301\u7f51\u7edc\u56fe\u7247\u8def\u5f84\uff0c\u610f\u5473\u7740\u6211\u4eec\u4e0d\u80fd\u76f4\u63a5\u8c03\u7528\u8fd9\u4e2a\u63a5\u53e3\u3002\u3002<\/p>\n

\u56e0\u6b64\u5148\u9700\u8981\u628a\u8be5\u6587\u4ef6\u4e0b\u8f7d\u81f3\u672c\u5730\uff0c\u4f7f\u7528 wx.downloadFile \u3002<\/p>\n

\u4f46\u503c\u5f97\u6ce8\u610f\u7684\u662f\u5c0f\u7a0b\u5e8f\u53ea\u53ef\u4ee5\u8ddf\u6307\u5b9a\u7684\u57df\u540d\u4e0e\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e0b\u8f7d\u56fe\u7247\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5148\u53bb\u5fae\u4fe1\u516c\u4f17\u8005\u5e73\u53f0\u7684\u5f00\u53d1\u8bbe\u7f6e\u91cc\u8bbe\u7f6euploadFile\u5408\u6cd5\u57df\u540d\u3002<\/p>\n

\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

<!-- index.wxml -->\n<image class=\"qr-code\" src=\"{{url}}\" mode=\"aspectFill\" \/>\n<button class=\"text\" bindtap=\"saveImage\">\u4fdd\u5b58\u56fe\u7247<\/button><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236    <\/p>\n
\/\/ index.js\nconst app = getApp()\n\nPage({\n  data: {\n    url: 'https:\/\/avatars3.githubusercontent.com\/u\/23024075?s=460&v=4'\n  },\n\n  \/\/ \u4fdd\u5b58\u56fe\u7247\n  saveImage() {\n    this.wxToPromise('downloadFile', {\n        url: this.data.url\n      })\n      .then(res => this.wxToPromise('saveImageToPhotosAlbum', {\n        filePath: res.tempFilePath\n      }))\n      .then(res => {\n        \/\/ do something\n        wx.showToast({ title: '\u4fdd\u5b58\u6210\u529f~',icon: 'none' });\n      })\n      .catch(err) => {\n        console.log(err);\n\n        \/\/ \u5982\u679c\u662f\u7528\u6237\u81ea\u5df1\u53d6\u6d88\u7684\u8bdd\u4fdd\u5b58\u56fe\u7247\u7684\u8bdd\n        \/\/ if (~err.errMsg.indexOf('cancel')) return;\n      })\n  },\n\n  \/**\n   * \u5c06 callback \u8f6c\u4e3a\u6613\u8bfb\u7684 promise\n   * @returns [promise]\n   *\/\n  wxToPromise(method, opt) {\n    return new Promise((resolve, reject) => {\n      wx[method]({\n        ...opt,\n        success(res) {\n          opt.success && opt.success();\n          resolve(res)\n        },\n        fail(err) {\n          opt.fail && opt.fail();\n          reject(err)\n        }\n      })\n    });\n  },\n})<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u7136\u540e\u7406\u8bba\u4e0a\u5c31\u53ef\u4ee5\u4fdd\u5b58\u56fe\u7247\u4e86… \u7528\u6237\u7b2c\u4e00\u6b21\u5728\u6211\u4eec\u7684\u5c0f\u7a0b\u5e8f\u4f7f\u7528\u4fdd\u5b58\u56fe\u7247\u8fd9\u4e2a\u529f\u80fd\u662f\u4f1a\u5f39\u51fa\u4e00\u4e2a\u6388\u6743\u5f39\u6846\uff0c\u5982\u679c\u7528\u6237\u624b\u6ed1\u70b9\u4e86\u62d2\u7edd\u6388\u6743\u540e\u518d\u70b9\u4e00\u6b21\u4fdd\u5b58\u56fe\u7247\uff0c\u7136\u540e\u5c31\u4f1a\u53d1\u73b0\u4ec0\u4e48\u53cd\u5e94\u90fd\u6ca1\u6709\u4e86\u3002\u3002\u3002<\/p>\n
\u51fa\u73b0\u8fd9\u6837\u7684\u539f\u56e0\u662f\u56e0\u4e3a\u8fd9\u4e2a\u6388\u6743\u5f39\u6846\u53ea\u4f1a\u51fa\u73b0\u4e00\u6b21\uff0c\u6240\u4ee5\u6211\u4eec\u5f97\u60f3\u529e\u6cd5\u518d\u8ba9\u7528\u6237\u91cd\u65b0\u6388\u6743\u4e00\u6b21\u3002\u8fd9\u65f6\u5c31\u60f3\u5230\u4f7f\u7528 wx.authorize .<\/p>\n
\u4f46\u662f\u7ecf\u8fc7\u6d4b\u8bd5\u540e\u53d1\u73b0\uff0c\u4f7f\u7528 wx.authorize \u540e\uff0c\u4f1a\u62a5 authorize:fail auth deny \u7684\u9519\u8bef\u3002\u7136\u540e\u7ecf\u8fc7\u67e5\u9605\u8d44\u6599\u5f97\u77e5\uff1a<\/p>\n
\n  \u5982\u679c\u7528\u6237\u672a\u63a5\u53d7\u6216\u62d2\u7edd\u8fc7\u6b64\u6743\u9650\uff0c\u4f1a\u5f39\u7a97\u8be2\u95ee\u7528\u6237\uff0c\u7528\u6237\u70b9\u51fb\u540c\u610f\u540e\u65b9\u53ef\u8c03\u7528\u63a5\u53e3\uff1b\u5982\u679c\u7528\u6237\u5df2\u6388\u6743\uff0c\u53ef\u4ee5\u76f4\u63a5\u8c03\u7528\u63a5\u53e3\uff1b\u5982\u679c\u7528\u6237\u5df2\u62d2\u7edd\u6388\u6743\uff0c\u5219\u4e0d\u4f1a\u51fa\u73b0\u5f39\u7a97\uff0c\u800c\u662f\u76f4\u63a5\u8fdb\u5165\u63a5\u53e3 fail \u56de\u8c03\u3002\u8bf7\u5f00\u53d1\u8005\u517c\u5bb9\u7528\u6237\u62d2\u7edd\u6388\u6743\u7684\u573a\u666f\u3002\n<\/p><\/blockquote>\n
emmm… \u90a3\u8fd9\u6837\u6548\u679c\u5f53\u7136\u4e0d\u7b26\u5408\u6211\u4eec\u9884\u671f\uff0c\u53ea\u80fd\u5728\u6362\u4e00\u79cd\u65b9\u5f0f\u3002\u8fd9\u65f6\u5c31\u60f3\u5230\u4e86\u4f7f\u7528\uff0c\u5728\u4ea4\u4e92\u4e0a\u505a\u4e00\u4e2a\u63d0\u793a\u5f39\u6846\uff0c\u5f15\u5bfc\u7528\u6237\u91cd\u65b0\u6388\u6743\uff1a<\/p>\n
<image class=\"qr-code\" src=\"{{url}}\" mode=\"aspectFill\" \/>\n<button class=\"text\" bindtap=\"saveImage\">\u4fdd\u5b58\u56fe\u7247<\/button>\n\n<!-- \u7b80\u964b\u7248\u63d0\u793a -->\n<view wx:if=\"{{showDialog}}\" class=\"dialog-wrap\">\n  <view class=\"dialog\">\n    \u8fd9\u662f\u4e00\u6bb5\u63d0\u793a\u7528\u6237\u6388\u6743\u7684\u63d0\u793a\u8bed\n    <view class=\"dialog-footer\">\n      <button\n        class=\"btn\"\n        open-type=\"openSetting\"\n        bindtap=\"confirm\" >\n         \u6388\u6743\n      <\/button>\n      <button class=\"btn\" bindtap=\"cancel\">\u53d6\u6d88<\/button>\n    <\/view>\n  <\/view>\n<\/view><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236    <\/p>\n
const app = getApp()\n\nPage({\n  data: {\n    url: 'https:\/\/avatars3.githubusercontent.com\/u\/23024075?s=460&v=4',\n    showDialog: false,\n  },\n\n  saveImage() {\n    this.wxToPromise('downloadFile', {\n        url: this.data.url\n      })\n      .then(res => this.wxToPromise('saveImageToPhotosAlbum', {\n        filePath: res.tempFilePath\n      }))\n      .then(res => {\n        console.log(res);\n        \/\/ this.hide();\n        wx.showToast({\n          title: '\u4fdd\u5b58\u6210\u529f~',\n          icon: 'none',\n        });\n      })\n      .catch(({ errMsg }) => {\n        console.log(errMsg)\n        \/\/ if (~errMsg.indexOf('cancel')) return;\n        if (!~errMsg.indexOf('auth')) {\n          wx.showToast({ title: '\u56fe\u7247\u4fdd\u5b58\u5931\u8d25\uff0c\u7a0d\u540e\u518d\u8bd5', icon: 'none' });\n        } else {\n          \/\/ \u8c03\u7528\u6388\u6743\u63d0\u793a\u5f39\u6846\n          this.setData({\n            showDialog: true\n          })\n        };\n      })\n  },\n\n  \/\/ callback to promise\n  wxToPromise(method, opt) {\n    return new Promise((resolve, reject) => {\n      wx[method]({\n        ...opt,\n        success(res) {\n          opt.success && opt.success();\n          resolve(res)\n        },\n        fail(err) {\n          opt.fail && opt.fail();\n          reject(err)\n        }\n      })\n    });\n  },\n\n  confirm() {\n    this.setData({\n      showDialog:false\n    })\n  },\n\n  cancel() {\n    this.setData({\n      showDialog: false\n    })\n  }\n})<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u6700\u540e\u8fd9\u6837\u5c31\u5b8c\u6210\u5566~<\/p>\n
\u672c\u6587\u53c2\u8003\uff1a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\u57fa\u7840\u6559\u7a0b https:\/\/www.html.cn\/study\/20.html<\/p>\n<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u4fdd\u5b58\u7f51\u7edc\u56fe\u7247\u7684\u65b9\u6cd5\u4ecb\u7ecd\uff08\u4ee3\u7801\u793a\u4f8b\uff09\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":"
\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5e26\u6765\u7684\u5185\u5bb9\u662f\u5173\u4e8e\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u4fdd\u5b58\u7f51\u7edc\u56fe\u7247\u7684\u65b9\u6cd5\u4ecb\u7ecd\uff08\u4ee3\u7801\u793a\u4f8b\uff09\uff0c\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\u3002 \u8be5\u529f\u80fd\u9700\u8981\u6dfb\u52a0appid\u624d\u80fd\u8fdb\u884c\u6b63\u5e38\u7684\u6d4b\u8bd5\u3002 \u5728\u5c0f\u7a0b\u5e8f\u7684\u6587\u6863\u4e2d\u6211\u4eec\u5f97\u77e5\uff0cwx.saveImageToPhotosAlbum \u662f\u7528\u6765\u4fdd\u5b58\u56fe\u7247\u5230\u76f8\u518c\u7684\u3002 \u4f46\u662f\u4ed4\u7ec6\u4e00\u770b\u4f1a\u53d1\u73b0\u8fd9\u4e2a\u63a5\u53e3\u7684filePath\u53c2\u6570\u53ea\u63a5\u53d7\u4e34\u65f6\u6587\u4ef6\u8def\u5f84\u6216\u6c38\u4e45\u6587\u4ef6\u8def\u5f84\uff0c\u4e0d\u652f\u6301\u7f51\u7edc\u56fe\u7247\u8def\u5f84\uff0c\u610f\u5473\u7740\u6211\u4eec\u4e0d\u80fd\u76f4\u63a5\u8c03\u7528\u8fd9\u4e2a\u63a5\u53e3\u3002\u3002 \u56e0\u6b64\u5148\u9700\u8981\u628a\u8be5\u6587\u4ef6\u4e0b\u8f7d\u81f3\u672c\u5730\uff0c\u4f7f\u7528 wx.downloadFile \u3002 \u4f46\u503c\u5f97\u6ce8\u610f\u7684\u662f\u5c0f\u7a0b\u5e8f\u53ea\u53ef\u4ee5\u8ddf\u6307\u5b9a\u7684\u57df\u540d\u4e0e\u8fdb\u884c\u7f51\u7edc\u901a\u4fe1\uff0c\u4e5f\u5c31\u662f\u8bf4\u4e0b\u8f7d\u56fe\u7247\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5148\u53bb\u5fae\u4fe1\u516c\u4f17\u8005\u5e73\u53f0\u7684\u5f00\u53d1\u8bbe\u7f6e\u91cc\u8bbe\u7f6euploadFile\u5408\u6cd5\u57df\u540d\u3002 \u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a <!– index.wxml –> <image class=”qr-code” src=”{{url}}” mode=”aspectFill” \/> <button class=”text” bindtap=”saveImage”>\u4fdd\u5b58\u56fe\u7247<\/button> \u767b\u5f55\u540e\u590d\u5236 \/\/ index.js const app = getApp() Page({ data: { url: ‘https:\/\/avatars3.githubusercontent.com\/u\/23024075?s=460&v=4’ }, \/\/ \u4fdd\u5b58\u56fe\u7247 saveImage() { this.wxToPromise(‘downloadFile’, { url: this.data.url }) .then(res => this.wxToPromise(‘saveImageToPhotosAlbum’, { filePath: res.tempFilePath })) .then(res => { \/\/ do […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-32537","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32537","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=32537"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32537\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=32537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=32537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=32537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}