119 lines
2.6 KiB
Vue
119 lines
2.6 KiB
Vue
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<template>
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<view class="page">
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<!-- 圆形进度条 -->
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<view class="progress-container">
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<canvas
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:style="{ width: canvasSize + 'px', height: canvasSize + 'px' }"
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canvas-id="progressCanvas"
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class="progress-canvas"
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></canvas>
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<view class="progress-text">
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<text class="percent">{{ progress }}%</text>
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<text class="label">{{ content }}</text>
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</view>
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</view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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progress: 80, // 当前进度值（0-100）
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canvasSize: 80, // 画布大小
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strokeWidth: 12, // 线条宽度
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bgColor: "#f0f0f0", // 背景颜色
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progressColor: "#007AFF", // 进度条颜色
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textColor: "#333", // 文字颜色
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content: "", //文字内容,
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};
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},
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mounted() {
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this.drawProgress();
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},
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watch: {
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progress() {
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this.drawProgress();
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},
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progressColor() {
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this.drawProgress();
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},
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},
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methods: {
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// 绘制进度条
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drawProgress() {
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const { progress, canvasSize, strokeWidth, bgColor, progressColor } =
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this;
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const ctx = uni.createCanvasContext("progressCanvas", this);
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const center = canvasSize / 2;
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const radius = center - strokeWidth / 2;
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// 清除画布
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ctx.clearRect(0, 0, canvasSize, canvasSize);
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// 绘制背景圆
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ctx.beginPath();
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ctx.arc(center, center, radius, 0, 2 * Math.PI);
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ctx.setStrokeStyle(bgColor);
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ctx.setLineWidth(strokeWidth);
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ctx.stroke();
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// 绘制进度圆
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const startAngle = -Math.PI / 2; // 从顶部开始
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const endAngle = startAngle + (progress / 100) * 2 * Math.PI;
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ctx.beginPath();
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ctx.arc(center, center, radius, startAngle, endAngle);
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ctx.setStrokeStyle(progressColor);
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ctx.setLineWidth(strokeWidth);
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ctx.setLineCap("round");
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ctx.stroke();
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ctx.draw();
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},
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},
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};
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</script>
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<style scoped>
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.page {
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display: flex;
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flex-direction: column;
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align-items: center;
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padding: 40rpx;
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min-height: 100vh;
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background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
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}
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.progress-container {
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position: relative;
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margin: 40rpx 0;
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}
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.progress-canvas {
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border-radius: 50%;
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box-shadow: 0 8rpx 25rpx rgba(0, 0, 0, 0.1);
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}
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.progress-text {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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text-align: center;
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}
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.percent {
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font-size: 36rpx;
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font-weight: bold;
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color: #333;
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display: block;
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}
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.label {
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font-size: 24rpx;
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color: #666;
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display: block;
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margin-top: 10rpx;
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}
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</style>
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