first commit

uni_modules/tdesign-uniapp/components/draggable/draggable.css

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+.hotspot-expanded.relative {
+  position: relative;
+}
+.hotspot-expanded::after {
+  content: '';
+  display: block;
+  position: absolute;
+  left: 0;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  transform: scale(1.5);
+}
+.t-draggable {
+  position: fixed;
+}

uni_modules/tdesign-uniapp/components/draggable/draggable.vue

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+<template>
+  <view
+    :class="[classPrefix, tClass]"
+    :style="tools._style([customStyle])"
+    @touchstart="onTouchStart"
+    @touchmove.stop.prevent="onTouchMove"
+    @touchend="onTouchEnd"
+  >
+    <slot />
+  </view>
+</template>
+<script>
+import { uniComponent } from '../common/src/index';
+import { prefix } from '../common/config';
+import props from './props';
+import { getRect, getWindowInfo } from '../common/utils';
+import tools from '../common/utils.wxs';
+
+
+const name = `${prefix}-draggable`;
+
+export default uniComponent({
+  name,
+  options: {
+    styleIsolation: 'shared',
+  },
+  props: {
+    ...props,
+  },
+  emits: [
+    'move',
+    'start',
+    'end',
+  ],
+  data() {
+    return {
+      prefix,
+      classPrefix: name,
+      tools,
+      systemInfo: getWindowInfo(),
+    };
+  },
+  mounted() {
+    this.computedRect();
+  },
+  methods: {
+    onTouchStart(e) {
+      const { systemInfo } = this;
+      if (this.direction === 'none') return;
+      this.startX = e.touches[0].clientX + systemInfo.windowWidth - this.rect.right;
+      this.startY = e.touches[0].clientY + systemInfo.windowHeight - this.rect.bottom;
+      this.$emit('start', { startX: this.startX, startY: this.startY, rect: this.rect, e });
+    },
+
+    onTouchMove(e) {
+      const { systemInfo } = this;
+
+      if (this.direction === 'none') return;
+      let x = this.startX - e.touches[0].clientX; // x轴移动偏移量
+      let y = this.startY - e.touches[0].clientY; // y轴移动偏移量
+
+
+      if (this.direction === 'vertical') {
+        x = systemInfo.windowWidth - this.rect.right;
+      }
+      if (this.direction === 'horizontal') {
+        y = systemInfo.windowHeight - this.rect.bottom;
+      }
+
+      this.$emit('move', { x, y, rect: this.rect, e });
+    },
+
+    async onTouchEnd(e) {
+      if (this.direction === 'none') return;
+      await this.computedRect();
+      this.$emit('end', { rect: this.rect, e });
+    },
+
+    async computedRect() {
+      this.rect = { right: 0, bottom: 0, width: 0, height: 0 };
+      try {
+        this.rect = await getRect(this, `.${this.classPrefix}`);
+      } catch (e) {
+        // ignore reject
+      }
+    },
+  },
+});
+</script>
+<style scoped>
+@import './draggable.css';
+</style>

uni_modules/tdesign-uniapp/components/draggable/props.js

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+const props = {
+  direction: {
+    type: String,
+    value: 'all',
+  },
+  tClass: {
+    type: String,
+    default: '',
+  },
+  tClassButton: {
+    type: String,
+    default: '',
+  },
+  customStyle: {
+    type: [String, Object],
+    default: '',
+  },
+};
+export default props;