feat(support-activity): add VerticalProgressBar component

frontend/pages/support-activity/components/VerticalProgressBar.vue

@@ -0,0 +1,146 @@
+<template>
+  <view class="v-progress">
+    <!-- 目标数字（位于目标圆上方） -->
+    <text v-if="showText" class="v-target-text">{{ formattedTarget }}</text>
+
+    <!-- 轨道 + 进度层 -->
+    <view
+      class="v-track"
+      :style="{ width: barWidth, height: barHeight }"
+    >
+      <!-- 已填充（从底部起） -->
+      <view class="v-fill" :style="{ height: fillHeight }" />
+
+      <!-- 目标圆（固定在顶部） -->
+      <view
+        class="v-circle v-target-circle"
+        :style="{ width: circleSize, height: circleSize }"
+      />
+
+      <!-- 当前圆（随 progress 上移） -->
+      <view
+        class="v-circle v-current-circle"
+        :style="{ top: circleTop, width: circleSize, height: circleSize }"
+      >
+        <text v-if="showText" class="v-current-text">{{ formattedCurrent }}</text>
+      </view>
+    </view>
+  </view>
+</template>
+
+<script setup>
+import { computed, ref, watch } from 'vue'
+
+const props = defineProps({
+  current: { type: Number, default: 0 },
+  target: { type: Number, default: 100 },
+  barHeight: { type: String, default: '200rpx' },
+  barWidth: { type: String, default: '16rpx' },
+  circleSize: { type: String, default: '60rpx' },
+  fillColor: {
+    type: String,
+    default: 'linear-gradient(180deg, #FFD700, #FFA500)'
+  },
+  trackColor: {
+    type: String,
+    default: 'rgba(255, 255, 255, 0.2)'
+  },
+  textColor: { type: String, default: '#FFD700' },
+  targetColor: { type: String, default: 'rgba(255, 255, 255, 0.8)' },
+  showText: { type: Boolean, default: true }
+})
+
+// 进度比例（0~1），将来要换公式只改这一处
+const ratio = computed(() => {
+  if (props.target === 0) return 0
+  return Math.min(props.current / props.target, 1)
+})
+
+// 已填充高度：ratio × 100%（从底部起）
+const fillHeight = computed(() => ratio.value * 100 + '%')
+
+// 当前圆位置：(1 - ratio) × 100%（从顶部起）
+const circleTop = computed(() => (1 - ratio.value) * 100 + '%')
+
+// 数字本地化：用 ref + watch 避免每帧调用 toLocaleString
+const formattedCurrent = ref(props.current.toLocaleString())
+const formattedTarget = ref(props.target.toLocaleString())
+
+watch(() => props.current, (v) => {
+  formattedCurrent.value = v.toLocaleString()
+})
+
+watch(() => props.target, (v) => {
+  formattedTarget.value = v.toLocaleString()
+})
+</script>
+
+<style scoped>
+.v-progress {
+  position: fixed;
+  left: 24rpx;
+  top: 50%;
+  transform: translateY(-50%);
+  z-index: 50;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  /* 其它样式（背景框、阴影等）留空，方便用户自行调 */
+}
+
+.v-target-text {
+  color: v-bind(targetColor);
+  font-size: 20rpx;
+  line-height: 1;
+  margin-bottom: 8rpx;
+  white-space: nowrap;
+}
+
+.v-track {
+  position: relative;
+  background: v-bind(trackColor);
+  border-radius: 999rpx;
+  /* 关键：让圆能露出轨道边界 */
+  overflow: visible;
+}
+
+.v-fill {
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  background: v-bind(fillColor);
+  border-radius: 999rpx;
+  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.v-circle {
+  position: absolute;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  box-sizing: border-box;
+}
+
+.v-target-circle {
+  top: 0;
+  background: rgba(255, 255, 255, 0.3);
+  /* 目标圆不显示数字 */
+}
+
+.v-current-circle {
+  background: v-bind(fillColor);
+  color: v-bind(textColor);
+  transition: top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+.v-current-text {
+  font-size: 20rpx;
+  line-height: 1;
+  white-space: nowrap;
+  color: v-bind(textColor);
+}
+</style>