wx.createCanvasContext()停止維護,可以使用NodesRef.context替代
代碼示例
<canvas id="ssd" canvas-id="ssd"></canvas>
let canvasBox = null;
// 寫法一
canvasBox = wx.createCanvasContext("ssd");
// 寫法二
wx.createSelectorQuery()
.select("#ssd")
.context(function (res) {
console.log("節點實例:", res); // 節點對應的 Canvas 實例。
canvasBox = res.context;
})
.exec();
相關文檔鏈接
createCanvasContext:https://developers.weixin.qq.com/miniprogram/dev/api/canvas/wx.createCanvasContext.html
createSelectorQuery:https://developers.weixin.qq.com/miniprogram/dev/api/wxml/NodesRef.context.html