1、增加common_utils；2、扩展函数：formatDouble、formatDoubleZero、formatInt、formatIntZero

lib/common/extension.dart

@@ -40,8 +40,10 @@ extension GlobalKeyExt on GlobalKey {
   }
 }
 
+/// DateTime 扩展函数
 extension DateTimeExt on DateTime {}
 
+/// String 扩展函数
 extension StringExt on String? {
   bool isNullOrEmpty() {
     return this == null || this!.isEmpty;
@@ -70,14 +72,19 @@ extension StringExt on String? {
   }
 }
 
+/// num 扩展函数
 extension DoubleExt on num? {
-  String format({nullText = "-"}) {
+  // 格式化小数两位
+  String formatDouble({nullTxt = "-"}) {
+    if (this == null) {
+      return nullTxt;
+    }
     double num;
     try {
       num = double.parse(toString());
     } catch (e) {
       print("转换异常:$e");
-      return nullText;
+      return nullTxt;
     }
     if ((num.toString().length - num.toString().lastIndexOf(".") - 1) < 2) {
       //小数点后有几位小数
@@ -90,4 +97,29 @@ extension DoubleExt on num? {
           .toString();
     }
   }
+
+  // double格式化 默认 0.00
+  String formatDoubleZero() {
+    return formatDouble(nullTxt: "0.00");
+  }
+
+  // int 转换 默认0
+  String formatInt({nullTxt = "-"}) {
+    if (this == null || this == 0) {
+      return nullTxt;
+    }
+    int num;
+    try {
+      num = int.parse(toString());
+    } catch (e) {
+      print("转换异常:$e");
+      return nullTxt;
+    }
+    return num.toString();
+  }
+
+  // int格式化 默认 0
+  String formatIntZero() {
+    return formatInt(nullTxt: "0");
+  }
 }

lib/utils/common_utils.dart

+import 'package:get/get.dart';
+
+
+S? findOtherLogic<S>() {
+  if (Get.isRegistered<S>()) {
+    return Get.find<S>();
+  }
+  return null;
+}
+
+// 任意类型转String
+String getTXTString(dynamic data) {
+  if (data is String) {
+    return data;
+  } else if (data is int) {
+    return data.toString();
+  } else if (data is double) {
+    return data.toString();
+  } else if (data is bool) {
+    return data.toString();
+  } else {
+    return "";
+  }
+}
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