HarmonyOS应用开发-CanvasGradient对象练习

<!-- xxx.hml -->
<div class="container">
    <canvas ref="canvas" style="width: 500px; height: 500px; background-color: #ffff00;"></canvas>
    <input type="button" style="width: 180px; height: 60px;" value="fillStyle" onclick="handleClick" />
</div>

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// xxx.js
export default {
    handleClick() {
        const el =this.$refs.canvas;
        const ctx =el.getContext('2d');
        const gradient = ctx.createLinearGradient(0,0,100,0);
        gradient.addColorStop(0,'#00ffff');
        gradient.addColorStop(1,'#ffff00');
    }
}

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