JHBlockAlertView

##支持block回调

###使用方法 ###1.导入 #import "JHBlockAlertView.h"

###2.使用JHBlockAlertViewItem创建item JHBlockAlertViewItem *item1 = [JHBlockAlertViewItem itemWithTitle:@"1" andBlock:^{ NSLog(@"1"); }];

###3.初始化JHBlockAlertView JHBlockAlertView *alertView = [JHBlockAlertView alertViewWithTitle:@"哈哈" message:@"嘻嘻" cancelButtonItem:item1 otherButtonItems:item2, item3, nil];

###4.显示 [alertView show];