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故事讲述的是一个大家庭的长女承担起母亲的责任，含辛茹苦把弟弟妹妹们拉扯大，又在重重困难袭来之时不离不弃，维持家庭团结的故事，主人公傻春类似女版的“阿甘”，虽然看着有几分“傻”，但却一直用一颗善良和真诚的心对待这个世界，最终博得了属于自己和家人的幸福。It has sold a lot more. It seems that the publicity of the ice sheet is in place. It should be to catch up with the progress ahead of time for playing with the ice sheet.Do birds at the death rift and fly back to Black Front Fortress to find NPC to hand in the task.From the above command class code, we can see that any operation has an execute method to perform the operation. The above code uses traditional object-oriented programming to implement the command mode. The procedural request call of the command mode is encapsulated in the execute method of the command object. Have we found the above writing code a little cumbersome? We can do this using the callback functions in javascript, In object-oriented, The receiver of the command mode is saved as an attribute of the command object, and the command execution operation is agreed to call the command.execute method. However, if we use the callback function, then the receiver is closed in the environment where the callback function is generated, and the execution operation will be simpler. Only the callback function can be executed. Let's look at the following code:2121韩信点头道：你率领三千轻骑兵，每人手持一柄红旗从小路接应赵国营地，现在山上隐蔽。