How to use ZJJCategory

Installation with CocoaPods：pod 'ZJJCategory'

字符串类别使用

-(void)testString
{
NSString *test1 = @"123456789杰哥";
NSLog(@"%@",([test1 zjj_isAllNum] ==1?@"全是数字":@"不完全是数字"));

}

颜色类别使用

-(void)testColor
{
self.view.backgroundColor = [UIColor zjj_colorWithHexRGB:@"#CC66FF"];

}

倒计时按钮使用

-(void)testButton
{
 [button zjj_countDownStartWithTime:60 endTitle:@"重新发送" countDownTitle:@"s后重新发送验证码"];

}