<canvas style="width:{{qipan_width}}px; height:{{qipan_height}}px; margin:5px;" id="qipuCanvas" type="2d" bindtouchstart="bindTouchStartCallback"></canvas>
var cellSize = this.data.cell_size || 40;
const query = tt.createSelectorQuery();
//const query = this.createSelectorQuery();
console.log("query", query);
query.in(this).select('#qipuCanvas').
fields({ node: true, size: true }).
//node().
exec((res) => {
console.log("res123", res);
const canvas = res[0].node;
const context = canvas.getContext('2d');
这段代码,在抖音APP里面是正常的,但是在头条APP里面,获取不到对应的canvas元素,导致绘图失败。
canvas用来显示棋谱棋盘的,前天刚上线,还在试运行期,昨天发现今日头条异常。