{"id":32113,"date":"2024-11-25T10:03:50","date_gmt":"2024-11-25T02:03:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/32113\/"},"modified":"2024-11-25T10:03:50","modified_gmt":"2024-11-25T02:03:50","slug":"%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%b9%8b%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e6%9c%8b%e5%8f%8b%e5%9c%88%e5%9b%be%e7%89%87%e7%9a%84%e7%94%9f%e6%88%90","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/32113\/","title":{"rendered":"\u5c0f\u7a0b\u5e8f\u4e4b\u5982\u4f55\u5b9e\u73b0\u670b\u53cb\u5708\u56fe\u7247\u7684\u751f\u6210"},"content":{"rendered":"<p>&nbsp;\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5173\u4e8e\u5c0f\u7a0b\u5e8f\u4e4b\u5982\u4f55\u5b9e\u73b0\u670b\u53cb\u5708\u56fe\u7247\u7684\u751f\u6210\uff0c\u6709\u7740\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u73b0\u5728\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b<\/p>\n<p>&nbsp; \u5fae\u4fe1\u7684\u5c0f\u7a0b\u5e8f\u662f\u6ca1\u6709\u5206\u4eab\u5230\u670b\u53cb\u5708\u7684\u529f\u80fd\u7684\u3002\u5c0f\u7a0b\u5e8f\u76ee\u524d\u53ea\u80fd\u5206\u4eab\u5230\u7fa4\u91cc\u6216\u8005\u53d1\u7ed9\u597d\u53cb\u3002\u4f46\u662f\u4e1a\u52a1\u9700\u8981\u65b9\u4fbf\u63a8\u5e7f\uff0c\u9700\u8981\u5206\u4eab\u5230\u670b\u53cb\u5708\u3002<\/p>\n<p>\u7ecf\u8fc7\u5ea6\u5a18\u540e\uff0c\u5f97\u51fa\u4e86\u4ee5\u4e0b\u601d\u8def\uff1a\u5229\u7528\u5c0f\u7a0b\u5e8fcanvas\u7ed8\u5236\u56fe\u7247\uff0c\u5c06\u80cc\u666f\u56fe\u548c\u4e8c\u7ef4\u7801\u7ed8\u5236\u6210\u4e00\u5f20\u56fe\u7247\u3002\u767e\u5ea6\u8fc7\u51e0\u4e2a\u597d\u7684demo,\u53c2\u8003\u4e86\u4e00\u4e0b\uff0c\u672c\u4ee5\u4e3a\u4f1a\u5f88\u7b80\u5355\u5c31\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u7136\u800c\u8fd9\u4e2a\u5e76\u4e0d\u662f\u5c0f\u7a0b\u5e8fcanvas\u7684\u96be\u70b9!<\/p>\n<p>\u3000\u3000WXML<\/p>\n<\/p>\n<pre>&nbsp;&nbsp;&lt;view&gt;\n&nbsp;&nbsp;&nbsp;&nbsp;&lt;canvas&gt;&lt;\/canvas&gt;\n&nbsp;&nbsp;&nbsp;&nbsp;&lt;image&gt;&lt;\/image&gt;&nbsp;&nbsp;\n&nbsp;&nbsp;&lt;\/view&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u751f\u6210\u670b\u53cb\u5708\u5206\u4eab\u56fe\u3001<\/p>\n<p>\u8fd9\u662f\u89e6\u53d1canvas\u7684\u6309\u94ae<\/p>\n<p>\u3000\u3000\u7ed8\u5236\u957f\u6309\u8bc6\u522b\u4e8c\u7ef4\u7801<\/p>\n<\/p>\n<pre>&nbsp;&nbsp;settext:&nbsp;function&nbsp;(context)&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;_this&nbsp;=&nbsp;this;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;size&nbsp;&nbsp;=&nbsp;_this.setCanvasSize();&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;text&nbsp;&nbsp;=&nbsp;\"\u957f\u6309\u8bc6\u522b\u5c0f\u7a0b\u5e8f\";\n&nbsp;&nbsp;&nbsp;&nbsp;context.setFontSize(12);\n&nbsp;&nbsp;&nbsp;&nbsp;context.setTextAlign(\"center\");\n&nbsp;&nbsp;&nbsp;&nbsp;context.setFillStyle(\"#000\");\n&nbsp;&nbsp;&nbsp;&nbsp;context.fillText(text,&nbsp;size.w&nbsp;\/&nbsp;2,&nbsp;size.h&nbsp;*&nbsp;0.90);\n&nbsp;&nbsp;&nbsp;&nbsp;context.stroke();\n&nbsp;&nbsp;},<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>&nbsp; &nbsp; \u7ed8\u5236\u56fe\u7247<\/p>\n<\/p>\n<pre>createNewImg:&nbsp;function&nbsp;()&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;\nvar&nbsp;_this&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=&nbsp;this;&nbsp;&nbsp;&nbsp;&nbsp;\nvar&nbsp;size&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=&nbsp;_this.setCanvasSize();&nbsp;&nbsp;&nbsp;&nbsp;\nvar&nbsp;context&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=&nbsp;wx.createCanvasContext('myCanvas');&nbsp;&nbsp;&nbsp;&nbsp;\nvar&nbsp;path&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=&nbsp;\"\/assets\/images\/qrshare1.jpg\";&nbsp;&nbsp;\/\/\u6d4b\u8bd5\u7684\u56fe\u7247&nbsp;&nbsp;&nbsp;&nbsp;\nvar&nbsp;imageQrCode&nbsp;=&nbsp;_this.data.filePath;\u3000\u3000\u3000\u3000\u3000\u3000\u3000\/\/\u4e8c\u7ef4\u7801\n&nbsp;&nbsp;&nbsp;&nbsp;context.drawImage(path,&nbsp;0,&nbsp;0,&nbsp;size.w,&nbsp;size.h);\n&nbsp;&nbsp;&nbsp;&nbsp;context.drawImage(imageQrCode,&nbsp;size.w&nbsp;\/&nbsp;2&nbsp;-&nbsp;55,&nbsp;size.h&nbsp;*&nbsp;0.55,&nbsp;size.w&nbsp;*&nbsp;0.33,&nbsp;size.w&nbsp;*&nbsp;0.33);&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;this.settext(context);&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u7ed8\u5236\u56fe\u7247&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;context.draw();&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u5c06\u751f\u6210\u597d\u7684\u56fe\u7247\u4fdd\u5b58\u5230\u672c\u5730\uff0c\u9700\u8981\u5ef6\u8fdf\u4e00\u4f1a\uff0c\u7ed8\u5236\u671f\u95f4\u8017\u65f6&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;wx.showToast({\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;title&nbsp;&nbsp;&nbsp;:&nbsp;'\u751f\u6210\u4e2d...',\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;icon&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;'loading',\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;duration:&nbsp;2000\n&nbsp;&nbsp;&nbsp;&nbsp;});\n&nbsp;&nbsp;&nbsp;&nbsp;setTimeout(function&nbsp;()&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;wx.canvasToTempFilePath({\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;canvasId:&nbsp;'myCanvas',\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;success&nbsp;:&nbsp;function&nbsp;(res)&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;tempFilePath&nbsp;=&nbsp;res.tempFilePath;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;_this.setData({\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;imagePath&nbsp;&nbsp;&nbsp;:&nbsp;tempFilePath,\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;});&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;img&nbsp;&nbsp;=&nbsp;_this.data.imagePath;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;urls&nbsp;=&nbsp;[]\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;urls.push(img,&nbsp;'\u4e8c\u7ef4\u7801\u8def\u5f84')&nbsp;&nbsp;&nbsp;\/\/\u4e8c\u7ef4\u7801\u8def\u5f84\u662f\u4e3a\u4e86\u7528\u6237\u4e5f\u53ef\u4ee5\u4fdd\u5b58\u4e8c\u7ef4\u7801\uff0c\u5206\u4eab\u5230\u670b\u53cb\u5708\u6709\u5408\u6210\u7684\u56fe\u7247\u4e5f\u6709\u4e8c\u7ef4\u7801\uff08\u53c2\u8003\u62c9\u94a9\u5c0f\u7a0b\u5e8f\u5206\u4eab\uff09\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;wx.previewImage({\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;current:&nbsp;img,&nbsp;&nbsp;\/\/&nbsp;\u5f53\u524d\u663e\u793a\u56fe\u7247\u7684http\u94fe\u63a5\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;urls&nbsp;&nbsp;&nbsp;:&nbsp;urls&nbsp;&nbsp;\/\/&nbsp;\u9700\u8981\u9884\u89c8\u7684\u56fe\u7247http\u94fe\u63a5\u5217\u8868&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;})\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fail:&nbsp;function&nbsp;(res)&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;console.log(res);\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;});\n&nbsp;&nbsp;&nbsp;&nbsp;},&nbsp;2000);\n&nbsp;&nbsp;},<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u672c\u6765\u6211\u662f\u76f4\u63a5\u7ed8\u5236\u7f51\u7edc\u56fe\u7247\u7684,\u4f46\u662f\u5728\u771f\u673a\u4e0a\uff0c\u7f51\u7edc\u56fe\u7247\u4e0d\u663e\u793a\uff01\u4e8e\u662f\u767e\u5ea6\u4e86\u4e00\u4e0b\uff0c\u53ef\u4ee5\u5148\u4e0b\u8f7d\uff0c\u63a5\u53e3\u8fd4\u56de\u7684\u56fe\u7247\u518d\u7ed8\u5236<\/p>\n<\/p>\n<pre>\/\/\u751f\u6210\u670b\u53cb\u5708\u56fe\u7247&nbsp;&nbsp;createSharePic()&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;_this&nbsp;=&nbsp;this,\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;qrcode=&nbsp;_this.data.qrcode\n&nbsp;&nbsp;&nbsp;&nbsp;wx.downloadFile({\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;url&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;qrcode,\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;success:&nbsp;function&nbsp;(res)&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(res.statusCode&nbsp;===&nbsp;200)&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;_this.setData({\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;filePath:&nbsp;res.tempFilePath,\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;})\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;_this.createNewImg();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;})\n&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u95ee\u9898\u51fa\u6765\u4e86\uff0c\u672c\u5730\u4e0a\u6d4b\u8bd5\u6ca1\u95ee\u9898\uff0c\u8fdc\u7a0b\u8c03\u8bd5\u4e5f\u6ca1\u95ee\u9898\uff0c\u53ef\u4ee5\u751f\u6210\u56fe\u7247\u4fdd\u5b58\u5230\u624b\u673a<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/009\/ff5d2c9d3e935d79246c70753fdb6c8f-0.jpg\" class=\"aligncenter\" title=\"\u5c0f\u7a0b\u5e8f\u4e4b\u5982\u4f55\u5b9e\u73b0\u670b\u53cb\u5708\u56fe\u7247\u7684\u751f\u6210\u63d2\u56fe\" alt=\"\u5c0f\u7a0b\u5e8f\u4e4b\u5982\u4f55\u5b9e\u73b0\u670b\u53cb\u5708\u56fe\u7247\u7684\u751f\u6210\u63d2\u56fe\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/009\/ff5d2c9d3e935d79246c70753fdb6c8f-1.jpg\" class=\"aligncenter\" title=\"\u5c0f\u7a0b\u5e8f\u4e4b\u5982\u4f55\u5b9e\u73b0\u670b\u53cb\u5708\u56fe\u7247\u7684\u751f\u6210\u63d2\u56fe1\" alt=\"\u5c0f\u7a0b\u5e8f\u4e4b\u5982\u4f55\u5b9e\u73b0\u670b\u53cb\u5708\u56fe\u7247\u7684\u751f\u6210\u63d2\u56fe1\" \/><\/p>\n<p><span style=\"color: #ff0000\">\u7eb3\u95f7\u4e86\u4e00\u4f1a\u4e4b\u540e\uff0c\u6211\u53d1\u73b0\u81ea\u5df1\u6ca1\u6709\u540e\u53f0\u6dfb\u52a0download\u7684\u4e0b\u8f7d\u57df\u540d\u3002\u56e0\u4e3a\u5e73\u65f6\u5728\u672c\u5730\u7684\u90fd\u662f\u52fe\u9009\u4e86\u4e0d\u68c0\u67e5\u57df\u540d\u3002\u6240\u4ee5\u5728\u8fd9\u7eb3\u95f7\u4e86\u5f88\u4e45\uff01\uff01\uff01\uff01\uff01\uff01\uff01<\/span><\/p>\n<p><span style=\"color: #ff0000\">\u603b\u7ed3\uff1a<\/span><\/p>\n<p><span style=\"color: #ff0000\">\u5c0f\u7a0b\u5e8fcanvas\u4e0d\u597d\u63a7\u5236\uff0c\u5199\u6837\u5f0f\u65f6\u7528rpx\uff0ccanvas\u7528px\uff1b<\/span><\/p>\n<p><span style=\"color: #ff0000\">\u7f51\u7edc\u56fe\u7247\u4e0d\u663e\u793a\uff08\u6211\u7528\u7f51\u7edc\u56fe\u7247\u65f6\uff0c\u662f\u4e0d\u663e\u793a\uff0c\u4e0d\u786e\u5b9a\u8fd9\u4e2a\u95ee\u9898\u662f\u6211\u7684\u64cd\u4f5c\u95ee\u9898\u8fd8\u662f\u5c0f\u7a0b\u5e8f\u7684\u9650\u5236\uff0c\u5e0c\u671b\u5927\u4f6c\u4eec\u53ef\u4ee5\u7ed9\u6211\u4e2a\u80af\u5b9a\u7684\u7ed3\u8bba\uff09<\/span><\/p>\n<p><span style=\"color: #ff0000\">\u8981\u5728\u5fae\u4fe1\u540e\u53f0\u8bbe\u7f6edownloand\u4e0b\u8f7d\u57df\u540d\uff08\u6211\u8fd9\u91cc\u7528\u4e86\u4e0b\u8f7d\u540e\u7ed8\u5236\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u5927\u5bb6\u6709\u4e0d\u7528\u4e0b\u8f7d\u7684\u65b9\u6cd5\uff0c\u671b\u544a\u77e5\uff01\u8c22\u8c22\uff09<\/span><\/p>\n<p>&nbsp;\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff0c\u66f4\u591a\u76f8\u5173\u5185\u5bb9\u8bf7\u5173\u6ce8PHP\u4e2d\u6587\u7f51\uff01<\/p>\n<p>\u76f8\u5173\u63a8\u8350\uff1a<\/p>\n<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5c0f\u7a0b\u5e8f\u4e4b\u5982\u4f55\u5b9e\u73b0\u670b\u53cb\u5708\u56fe\u7247\u7684\u751f\u6210\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>&nbsp;\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5173\u4e8e\u5c0f\u7a0b\u5e8f\u4e4b\u5982\u4f55\u5b9e\u73b0\u670b\u53cb\u5708\u56fe\u7247\u7684\u751f\u6210\uff0c\u6709\u7740\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u73b0\u5728\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b &nbsp; \u5fae\u4fe1\u7684\u5c0f\u7a0b\u5e8f\u662f\u6ca1\u6709\u5206\u4eab\u5230\u670b\u53cb\u5708\u7684\u529f\u80fd\u7684\u3002\u5c0f\u7a0b\u5e8f\u76ee\u524d\u53ea\u80fd\u5206\u4eab\u5230\u7fa4\u91cc\u6216\u8005\u53d1\u7ed9\u597d\u53cb\u3002\u4f46\u662f\u4e1a\u52a1\u9700\u8981\u65b9\u4fbf\u63a8\u5e7f\uff0c\u9700\u8981\u5206\u4eab\u5230\u670b\u53cb\u5708\u3002 \u7ecf\u8fc7\u5ea6\u5a18\u540e\uff0c\u5f97\u51fa\u4e86\u4ee5\u4e0b\u601d\u8def\uff1a\u5229\u7528\u5c0f\u7a0b\u5e8fcanvas\u7ed8\u5236\u56fe\u7247\uff0c\u5c06\u80cc\u666f\u56fe\u548c\u4e8c\u7ef4\u7801\u7ed8\u5236\u6210\u4e00\u5f20\u56fe\u7247\u3002\u767e\u5ea6\u8fc7\u51e0\u4e2a\u597d\u7684demo,\u53c2\u8003\u4e86\u4e00\u4e0b\uff0c\u672c\u4ee5\u4e3a\u4f1a\u5f88\u7b80\u5355\u5c31\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u7136\u800c\u8fd9\u4e2a\u5e76\u4e0d\u662f\u5c0f\u7a0b\u5e8fcanvas\u7684\u96be\u70b9! \u3000\u3000WXML &nbsp;&nbsp;&lt;view&gt; &nbsp;&nbsp;&nbsp;&nbsp;&lt;canvas&gt;&lt;\/canvas&gt; &nbsp;&nbsp;&nbsp;&nbsp;&lt;image&gt;&lt;\/image&gt;&nbsp;&nbsp; &nbsp;&nbsp;&lt;\/view&gt; \u767b\u5f55\u540e\u590d\u5236 \u751f\u6210\u670b\u53cb\u5708\u5206\u4eab\u56fe\u3001 \u8fd9\u662f\u89e6\u53d1canvas\u7684\u6309\u94ae \u3000\u3000\u7ed8\u5236\u957f\u6309\u8bc6\u522b\u4e8c\u7ef4\u7801 &nbsp;&nbsp;settext:&nbsp;function&nbsp;(context)&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;_this&nbsp;=&nbsp;this;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;size&nbsp;&nbsp;=&nbsp;_this.setCanvasSize();&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;text&nbsp;&nbsp;=&nbsp;&#8220;\u957f\u6309\u8bc6\u522b\u5c0f\u7a0b\u5e8f&#8221;; &nbsp;&nbsp;&nbsp;&nbsp;context.setFontSize(12); &nbsp;&nbsp;&nbsp;&nbsp;context.setTextAlign(&#8220;center&#8221;); &nbsp;&nbsp;&nbsp;&nbsp;context.setFillStyle(&#8220;#000&#8221;); &nbsp;&nbsp;&nbsp;&nbsp;context.fillText(text,&nbsp;size.w&nbsp;\/&nbsp;2,&nbsp;size.h&nbsp;*&nbsp;0.90); &nbsp;&nbsp;&nbsp;&nbsp;context.stroke(); &nbsp;&nbsp;}, 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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;wx.canvasToTempFilePath({ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;canvasId:&nbsp;&#8216;myCanvas&#8217;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;success&nbsp;:&nbsp;function&nbsp;(res)&nbsp;{&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;tempFilePath&nbsp;=&nbsp;res.tempFilePath; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;_this.setData({ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;imagePath&nbsp;&nbsp;&nbsp;:&nbsp;tempFilePath, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;});&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;var&nbsp;img&nbsp;&nbsp;=&nbsp;_this.data.imagePath; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;let&nbsp;urls&nbsp;=&nbsp;[] 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[&hellip;]<\/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-32113","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32113","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=32113"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32113\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=32113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=32113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=32113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}