feat(delete):删除里面文件夹

lib/utils/string_utils.dart

@@ -0,0 +1,134 @@
+// import 'package:intl/intl.dart';
+
+extension StringUtils on String? {
+  String get hidePhone => StringUtils._phoneString(phone: this);
+
+  String get hideUserName => StringUtils._userNameString(name: this);
+
+  bool get isNumeric => StringUtils._isNumeric(str: this);
+
+  String get toPrice => StringUtils._cutOutPrice(price: this);
+
+  String get toSplMoney => StringUtils._splNumberInsyo(str: this);
+
+  String get toThousandPrice => StringUtils._formatThousandPrice(price: this);
+
+  double get toDouble => StringUtils._strToDouble(str: this);
+
+  ///隐藏手机号中间4位数
+  static String _phoneString({String? phone}) {
+    if (phone == null || phone == '') return '';
+    return phone.replaceFirst(RegExp(r'\d{4}'), '****', 3);
+  }
+
+  ///隐藏姓名(只显示姓  隐藏名字)
+  static String _userNameString({String? name}) {
+    if (name == null || name == '') return '';
+    return name.replaceAll(name.substring(1, name.length), '**');
+  }
+
+  ///判断是否是纯数字
+  static bool _isNumeric({String? str}) {
+    if (str == null) {
+      return false;
+    }
+    return double.tryParse(str) != null;
+  }
+
+  ///将金额转换为小数点后两位
+  static String _cutOutPrice({String? price}) {
+    String cutOutPrice = '0.00';
+    if (price != null && price != '') {
+      var newPrice = double.tryParse(price);
+      if (newPrice != null) {
+        cutOutPrice = newPrice.toStringAsFixed(2);
+      }
+    }
+    return cutOutPrice;
+  }
+
+  ///金额处理千分位金额
+  static String _formatThousandPrice({String? price}) {
+    String priceStr = price ?? '';
+    try {
+      num? money = num.tryParse(priceStr);
+      int truncateMoney = money?.truncate() ?? 0;
+      if (truncateMoney >= 1000) {
+        // NumberFormat format = NumberFormat('0,000');
+        return _formatNum(truncateMoney);
+      } else {
+        List<String> resultList = priceStr.split(".");
+        if (resultList.isNotEmpty) {
+          return priceStr.split(".").first;
+        } else {
+          return priceStr;
+        }
+      }
+    } catch (error) {
+      return '';
+    }
+  }
+
+  static String _formatNum(num, {point = 3}) {
+    if (num != null) {
+      String str = double.parse(num.toString()).toString();
+      // 分开截取
+      List<String> sub = str.split('.');
+      // 处理值
+      List val = List.from(sub[0].split(''));
+      // 处理点
+      List<String> points = List.from(sub[1].split(''));
+      //处理分割符
+      for (int index = 0, i = val.length - 1; i >= 0; index++, i--) {
+        // 除以三没有余数、不等于零并且不等于1 就加个逗号
+        if (index % 3 == 0 && index != 0 && i != 1) val[i] = val[i] + ',';
+      }
+      // 处理小数点
+      for (int i = 0; i <= point - points.length; i++) {
+        points.add('0');
+      }
+      //如果大于长度就截取
+      if (points.length > point) {
+        // 截取数组
+        points = points.sublist(0, point);
+      }
+      // 判断是否有长度
+      if (points.length > 0) {
+        return '${val.join('')}.${points.join('')}';
+      } else {
+        return val.join('');
+      }
+    } else {
+      return "0.0";
+    }
+  }
+
+  ///将数字转换位千分位隔开
+  static String _splNumberInsyo({String? str}) {
+    if (str?.isEmpty == true) {
+      return '';
+    }
+    // num amount = num.parse(str ?? '0');
+    // final NumberFormat formatter = NumberFormat.currency(
+    //   locale: 'en_US', // 设置为你的本地化Locale
+    //   decimalDigits: 0,
+    //   name: '', // 设置货币符号，例如 'USD' 或 'EUR'
+    // );
+    // return formatter.format(amount);
+    return str ?? '';
+  }
+
+  ///将字符串转为double
+  static double _strToDouble({String? str}) {
+    String newStr = str ?? '';
+    try {
+      double? doubleValue = double.tryParse(newStr);
+      if (doubleValue != null) {
+        return doubleValue;
+      }
+      return 0;
+    } catch (error) {
+      return 0;
+    }
+  }
+}