颜色转换

import 'package:flutter/material.dart';
import 'package:quiver/strings.dart';


//颜色转换工具
Color string2Color(String colorString) {
  int value = 0x00000000;

  if (isNotEmpty(colorString)) {
    if (colorString[0] == '#') {
      colorString = colorString.substring(1);
    }
    value = int.tryParse(colorString, radix: 16);
    if (value != null) {
      if (value < 0xFF000000) {
        value += 0xFF000000;
      }
    }
  }
  return Color(value);
}