ts config

src/index.d.ts

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+// 模块的变量定义必须有 import 或者 export
+export { }
+
+declare global {
+  const uni: any;
+}

src/js/floatAdd.ts

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+import { isNumber } from "lodash-es";
+
+/**
+ * 计算两个浮点数相加
+ * @param num1 数值1
+ * @param num2 数值2
+ * @returns 相加之和
+ * @description 使用两个数中小数点后位数较长的作为基数，抹平两个数的小数点，整数相加之后再除以基数，还原小数点。注意整体数值的位数不能超过最大整数范围
+ */
+export const floatAdd = (num1: number, num2: number) => {
+  if (!isNumber(num1) || !isNumber(num2)) return NaN;
+  let baseNum1: number;
+  let baseNum2: number;
+  try {
+    baseNum1 = num1.toString().split(".")[1].length;
+  } catch (e) {
+    baseNum1 = 0;
+  }
+  try {
+    baseNum2 = num2.toString().split(".")[1].length;
+  } catch (e) {
+    baseNum2 = 0;
+  }
+  const baseNum = Math.pow(10, Math.max(baseNum1, baseNum2));
+  const result = ((num1 * baseNum + num2 * baseNum) / baseNum).toFixed(2);
+  return +result;
+};

src/uni-app/rpx2px.ts

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+import { isNumber } from 'lodash-es';
+
+export const rpx2px = (rpx) => {
+    if (!isNumber(rpx)) return 0;
+    const screenWidth = uni.getSystemInfoSync().screenWidth;
+    const result = (screenWidth * rpx) / 750
+    return result;
+  }