feat: match info

opt dateformat

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/utils/num_util.dart

@@ -0,0 +1,62 @@
+import 'package:flutter/foundation.dart' show kDebugMode, debugPrint;
+import 'package:get/get_utils/get_utils.dart';
+
+class NumUtil {
+  static final _numRegExp = RegExp(r'([\d\.]+)([千万亿])?');
+
+  static int _getUnit(String? unit) {
+    switch (unit) {
+      case '千':
+        return 1000;
+      case '万':
+        return 10000;
+      case '亿':
+        return 100000000;
+      default:
+        return 1;
+    }
+  }
+
+  static int parseNum(String numberStr) {
+    if (numberStr == '-') return 0;
+    try {
+      final match = _numRegExp.firstMatch(numberStr)!;
+      var number = double.parse(match.group(1)!);
+      number *= _getUnit(match.group(2));
+      return number.toInt();
+    } catch (e) {
+      if (kDebugMode) debugPrint('parse failed: "$numberStr" : $e');
+      return 0;
+    }
+  }
+
+  static String numFormat(dynamic number) {
+    if (number == null) {
+      return '0';
+    }
+    if (number is String) {
+      number = int.tryParse(number) ?? number;
+      if (number is String) {
+        return number;
+      }
+    }
+
+    String format(first, second) {
+      double result = ((number / first) as double).toPrecision(1);
+      int intRes = result.toInt();
+      if (result == intRes) {
+        return '$intRes$second';
+      } else {
+        return '$result$second';
+      }
+    }
+
+    if (number >= 100000000) {
+      return format(100000000, '亿');
+    } else if (number >= 10000) {
+      return format(10000, '万');
+    } else {
+      return number.toString();
+    }
+  }
+}