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我用的MJ的刷新，在下拉刷新的时候需要重新加载数据。我现在知道我有一个数组，数组里面的数据在不断更新，我想加载 其中的数据，来实现刷新一次，加载几条数据就好，而不是加载很多条数据。我没有具体的思路，不知道怎么实现？求大神帮助~~
拥有18年软件开发和IT教学经验。曾任多家上市公司技术总监、架构师、项目经理、高级软件工程师等职务。 网络人气名人讲师，...
The background provides data when refreshing, and when you pass parameters, pass the requested number of data
When refreshing, clear the array, obtain the specified number of data from the background interface again, and rebind the data source of the tableView
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
The background provides data when refreshing, and when you pass parameters, pass the requested number of data
When refreshing, clear the array, obtain the specified number of data from the background interface again, and rebind the data source of the tableView