{"id":34066,"date":"2024-11-25T16:45:53","date_gmt":"2024-11-25T08:45:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34066\/"},"modified":"2024-11-25T16:45:53","modified_gmt":"2024-11-25T08:45:53","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%b8%adecharts%e7%9a%84%e7%94%a8%e6%b3%95%e5%92%8c%e5%8f%af%e8%83%bd%e9%81%87%e8%a7%81%e7%9a%84%e5%9d%91%ef%bc%8c%e5%bf%ab%e6%9d%a5%e6%94%b6%e8%97%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34066\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01"},"content":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u4e00\u4e9b\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u4f7f\u7528echarts\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u95ee\u9898\u603b\u7ed3\uff0c\u8ba9\u5927\u5bb6\u53ef\u907f\u5751\u8e29\u96f7\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u5927\u5bb6\u63d0\u4f9b\u5e2e\u52a9\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/024\/614c67507764e447.jpg\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe\" \/><\/p>\n<p>\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u4e00\u4e9b\u907f\u96f7\u8e29\u5751\u7684\u95ee\u9898\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u5927\u5bb6\u63d0\u4f9b\u5e2e\u52a9<\/p>\n<h2><strong>\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u4f7f\u7528echarts<\/strong><\/h2>\n<h1><strong><span style=\"font-size: 18px\">\u4e00\u3001\u4e0b\u8f7d\u5c0f\u7a0b\u5e8f\u7248\u7684echarts<\/span><\/strong><\/h1>\n<p>\u4e0b\u8f7d\u5730\u5740\uff1ahttps:\/\/github.com\/ecomfe\/echarts-for-weixin<\/p>\n<p><strong><span style=\"font-size: 18px\">\u4e8c\u3001\u4f7f\u7528\u6b65\u9aa4<\/span><\/strong><\/p>\n<p><strong><span style=\"font-size: 14px\">1.\u5f15\u5165\u9879\u76ee\u4f9d\u8d56<\/span><\/strong><\/p>\n<p>\u5c06\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7248 echarts \u4ece github \u4e0a\u62c9\u4e0b\u6765\u540e\uff0c\u5c06\u6587\u4ef6\u91cc\u7684 ec-canvas \u6587\u4ef6\u590d\u5236\u4e00\u4e2a\u5230\u81ea\u5df1\u9879\u76ee\u91cc\uff0c\u5b9e\u9645\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u7248 echarts \u7684\u4f9d\u8d56\u6587\u4ef6\u3002<\/p>\n<p>\u3010\u76f8\u5173\u5b66\u4e60\u63a8\u8350\uff1a\u3011<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/image\/877\/680\/542\/1632396852272907.png\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe1\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe1\" \/><\/p>\n<p><strong>2.\u5f15\u5165\u5e93<\/strong><\/p>\n<p>\u5728\u4f7f\u7528\u7684 echarts \u7684\u9875\u9762\u7684 json \u6587\u4ef6\u4e2d\u5f15\u5165 echarts \uff0c\u5f15\u5165\u7684\u8def\u5f84\u6839\u636e\u81ea\u5df1\u7684\u9879\u76ee\u7ed3\u6784\u6765\u5f15\u5165<\/p>\n<blockquote><p>\n  \u5728\u5168\u5c40\u914d\u7f6e\u6587\u4ef6 app.json \u91cc\u5f15\u5165\u4e5f\u53ef\u4ee5\uff0c\u8fd9\u6837\u5c31\u5168\u90e8\u9875\u9762\u901a\u7528\uff0c\u4e0d\u7528\u4e00\u4e2a\u4e2a\u9875\u9762\u5f15\u5165\uff0c\u5f53\u591a\u4e2a\u9875\u9762\u4f7f\u7528 echarts \u65f6\uff0c\u6bd4\u8f83\u65b9\u4fbf\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/image\/531\/273\/732\/1632396858609898.png\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe2\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe2\" \/><\/p>\n<p>\u5728\u4f7f\u7528\u7684 echarts \u7684\u9875\u9762\u7684 js \u6587\u4ef6\u4e2d\u5f15\u5165 echarts \uff0c\u5f15\u5165\u7684\u8def\u5f84\u6839\u636e\u81ea\u5df1\u7684\u9879\u76ee\u7ed3\u6784\u6765\u5f15\u5165<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/image\/463\/172\/747\/1632396863275636.png\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe3\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe3\" \/><\/p>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5<\/strong><\/p>\n<p>wxml\u4e2d\u4f7f\u7528\u7ec4\u4ef6 \uff0cid \u548c canvas-id \u90fd\u53ef\u4ee5\u81ea\u884c\u547d\u540d <\/p>\n<pre>&lt;view&gt;\n&nbsp;&nbsp;&lt;ec-canvas&gt;&lt;\/ec-canvas&gt;&lt;\/view&gt;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>js \u4ee3\u7801<\/p>\n<blockquote>\n<p>\u5173\u4e8e option \u914d\u7f6e\uff0c\u53ef\u81ea\u884c\u53bb\u5b98\u7f51\u770b\u6587\u6863\u6216\u8005\u53c2\u7167\u793a\u4f8b\uff0chttps:\/\/echarts.apache.org\/zh\/option.html#title<\/p>\n<\/blockquote>\n<pre>import&nbsp;*&nbsp;as&nbsp;echarts&nbsp;from&nbsp;'..\/..\/ec-canvas\/echarts';\n\nconst&nbsp;app&nbsp;=&nbsp;getApp();\n\nfunction&nbsp;initChart(canvas,&nbsp;width,&nbsp;height,&nbsp;dpr)&nbsp;{\n&nbsp;&nbsp;\/\/\u4e3b\u8981\u662f\u8fd9\u4e2a&nbsp;echarts&nbsp;\u7684\u521b\u5efa\n&nbsp;&nbsp;const&nbsp;chart&nbsp;=&nbsp;echarts.init(canvas,&nbsp;null,&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;width:&nbsp;width,\n&nbsp;&nbsp;&nbsp;&nbsp;height:&nbsp;height,\n&nbsp;&nbsp;&nbsp;&nbsp;devicePixelRatio:&nbsp;dpr&nbsp;\/\/&nbsp;new\n&nbsp;&nbsp;});\n&nbsp;&nbsp;canvas.setChart(chart);\n&nbsp;&nbsp;\n&nbsp;&nbsp;\/\/&nbsp;option&nbsp;\u7684\u914d\u7f6e\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u53bb&nbsp;echarts&nbsp;\u5b98\u7f51\u67e5\u770b\u914d\u7f6e\u7684\u5c5e\u6027\u65b9\u6cd5\n&nbsp;&nbsp;var&nbsp;option&nbsp;=&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;backgroundColor:&nbsp;\"#ffffff\",\n&nbsp;&nbsp;&nbsp;&nbsp;series:&nbsp;[{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;label:&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;normal:&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;fontSize:&nbsp;14\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;type:&nbsp;'pie',\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;center:&nbsp;['50%',&nbsp;'50%'],\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;radius:&nbsp;['20%',&nbsp;'40%'],\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;data:&nbsp;[{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;value:&nbsp;55,\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;name:&nbsp;'\u5317\u4eac'\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;value:&nbsp;20,\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;name:&nbsp;'\u6b66\u6c49'\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;value:&nbsp;10,\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;name:&nbsp;'\u676d\u5dde'\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;value:&nbsp;20,\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;name:&nbsp;'\u5e7f\u5dde'\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;},&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;value:&nbsp;38,\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;name:&nbsp;'\u4e0a\u6d77'\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}]\n&nbsp;&nbsp;&nbsp;&nbsp;}]\n&nbsp;&nbsp;};\n\n&nbsp;&nbsp;chart.setOption(option);\n&nbsp;&nbsp;return&nbsp;chart;\n}\n\nPage({\n&nbsp;&nbsp;data:&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;ec:&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;onInit:&nbsp;initChart\n&nbsp;&nbsp;&nbsp;&nbsp;}\n&nbsp;&nbsp;},\n\n&nbsp;&nbsp;onReady()&nbsp;{\n&nbsp;&nbsp;}\n});<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>css \u4ee3\u7801<\/p>\n<pre>.container{\n&nbsp;&nbsp;width:&nbsp;100%;\n&nbsp;&nbsp;height:&nbsp;100vw;\n}\nec-canvas&nbsp;{\n&nbsp;&nbsp;width:&nbsp;100%;\n&nbsp;&nbsp;height:&nbsp;100%;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h2><strong>\u907f\u5751\u8e29\u96f7<\/strong><\/h2>\n<p>1\u3001\u5173\u4e8e\u5f15\u5165\u4f9d\u8d56\uff0c\u5f15\u5165\u5e93\uff0c\u6309\u7167\u5b98\u65b9\u7684\u4f7f\u7528\u65b9\u6cd5\u4f7f\u7528\u540e\uff0cecharts \u56fe\u4e0d\u663e\u793a\u7684\u95ee\u9898<\/p>\n<p>\u89e3\u51b3\u529e\u6cd5\uff1ahtml\u5728\u4f7f\u7528 echarts \u65f6\uff0c\u5916\u5c42\u5305\u88f9\u7740\u7684 view \u6807\u7b7e\u4e5f\u8981\u8bbe\u7f6e\u5bbd\u9ad8 \uff08\u5b98\u65b9\u7684\u65b9\u6cd5\u6837\u5f0f\u91cc\u6ca1\u6709\u8bbe\u7f6e\u5916\u5c42\u5143\u7d20\u7684\u5bbd\u9ad8\uff0c\u5728\u5b98\u65b9\u7684\u793a\u4f8b\u4e2d\u53c8\u53ef\u4ee5\u663e\u793a\uff0c\u8fd9\u5c31\u8bef\u5bfc\u4e86\u5f88\u591a\u4eba\u4f1a\u6389\u5751\uff09<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/image\/209\/102\/273\/1632396868856230.png\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe4\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe4\" \/><\/p>\n<p>2\u3001\u5173\u4e8e <strong>devicePixelRatio<\/strong> \u7684\u4f5c\u7528<\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u5b98\u65b9\u4ee3\u7801\u91cc\u521d\u59cb\u521b\u5efa echarts \u65f6\uff0c\u4ee3\u7801\u5982\u4e0b\u56fe\uff0c\u5f53\u4f60\u8bbe\u7f6e\u4e86 devicePixelRatio \u540e\uff0cecharts\u7684\u56fe\u8868\u5728\u5fae\u4fe1\u5f00\u53d1\u8005\u5de5\u5177\u4e2d\u770b\u5230\u7684 echarts \u56fe\u8868\u50cf\u7d20\u662f\u5f88\u5dee\u7684\uff0c\u7528\u624b\u673a\u9884\u89c8\u7684\u65f6\u5019\uff0c\u662f\u5f88\u6e05\u6670\u7684\uff0c\u5f53\u628a devicePixelRatio \u53bb\u6389\u540e\uff0c\u5fae\u4fe1\u5f00\u53d1\u8005\u5de5\u5177\u4e2d\u770b\u5230\u7684 echarts \u56fe\u8868\u50cf\u7d20\u53d8\u5f97\u5f88\u6e05\u6670\uff0c\u624b\u673a\u770b\u5230\u7684\u662f\u50cf\u7d20\u53d8\u5dee\u4e86\uff0c\u6240\u4ee5\u8fd9\u4e2a\u5e94\u8be5\u662f\u6839\u636e\u8bbe\u5907\u7684\u50cf\u7d20\u5355\u4f4d\u6765\u9002\u914d\u56fe\u8868\u7684\u50cf\u7d20\u5427<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/image\/923\/881\/846\/1632396873946563.png\" class=\"aligncenter\" title=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe5\" alt=\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2decharts\u7684\u7528\u6cd5\u548c\u53ef\u80fd\u9047\u89c1\u7684\u5751\uff0c\u5feb\u6765\u6536\u85cf\u907f\u96f7\uff01\uff01\u63d2\u56fe5\" 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