chore(组件): 全部使用easycom来处理组件问题

components/sx-rate/common.js

@@ -0,0 +1,6 @@
+export function getClientRect(selector, component) {
+	return new Promise((resolve, reject) => {
+		let query = component ? uni.createSelectorQuery().in(component) : uni.createSelectorQuery();
+		return query.select(selector).boundingClientRect(resolve).exec()
+	})
+}