JXZS_TaskService/taskservice/lib/Common/JXColors.dart

import 'package:flutter/material.dart';

/*
颜色统一处理
* */
class JXColors {
  // white
  static Color Color_FFFFFF = hexColor(0xFFFFFF);
  static Color Color_F0F0F0 = hexColor(0xF0F0F0);
  static Color Color_E6E6E6 = hexColor(0xE6E6E6);
  static Color Color_747A7E = hexColor(0x747A7E);
  // dark
  static Color Color_2E3032 = hexColor(0x2E3032);
  static Color Color_101E40 = hexColor(0x101E40);
  static Color Color_1F2529 = hexColor(0x1F2529);

  /// 十六进制颜色，
  /// hex, 十六进制值，例如：0xffffff,
  /// alpha, 透明度 [0.0,1.0]
  static Color hexColor(int hex,{double alpha = 1}){
    if (alpha < 0){
      alpha = 0;
    }else if (alpha > 1){
      alpha = 1;
    }
    return Color.fromRGBO((hex & 0xFF0000) >> 16 ,
        (hex & 0x00FF00) >> 8,
        (hex & 0x0000FF) >> 0,
        alpha);
  }
}