You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.3 KiB
48 lines
1.3 KiB
import 'package:flutter/material.dart';
|
|
import 'package:flutter_screenutil/flutter_screenutil.dart';
|
|
|
|
extension NumExt on num {
|
|
///获取宽 SizedBox
|
|
Widget get wb => SizedBox(width: this.w);
|
|
|
|
///获取高 SizedBox
|
|
Widget get hb => SizedBox(height: this.w);
|
|
|
|
///获取 EdgeInsets.all
|
|
EdgeInsets get edge => EdgeInsets.all(this.w);
|
|
|
|
///圆角
|
|
BorderRadius get radius => BorderRadius.circular(this.w);
|
|
|
|
///每三位数加逗号
|
|
String comma({int fixed = 2}) {
|
|
bool notUseFixedFlag = fixed == -1;
|
|
String _num =
|
|
notUseFixedFlag ? this.toString() : this.toStringAsFixed(fixed);
|
|
String str = '';
|
|
int count = 0;
|
|
if (_num.indexOf('.') == -1) {
|
|
for (var i = _num.length - 1; i >= 0; i--) {
|
|
if (count % 3 == 0 && count != 0) {
|
|
str = _num.substring(i, i + 1) + ',' + str;
|
|
} else {
|
|
str = _num.substring(i, i + 1) + str;
|
|
}
|
|
count++;
|
|
}
|
|
return str;
|
|
} else {
|
|
for (var i = _num.indexOf('.') - 1; i >= 0; i--) {
|
|
if (count % 3 == 0 && count != 0) {
|
|
str = _num.substring(i, i + 1) + ',' + str;
|
|
} else {
|
|
str = _num.substring(i, i + 1) + str;
|
|
}
|
|
count++;
|
|
}
|
|
str = str + (_num.substring(_num.indexOf('.'), _num.length));
|
|
return str;
|
|
}
|
|
}
|
|
}
|