switch-case执行效率稍高
时间: 2023-10-06 15:05:26 浏览: 56
根据引用和引用的内容,可以得出结论:switch-case执行效率稍高的情况是当分支条件是连续数字或相隔不大时,编译器会使用表结构做优化,从而性能优于if-else。而在其他情况下,switch-case实际上是逐个分支判断,性能与if-else无异。同时,需要注意的是,switch-case中的case只能是常量,而if-else的用途更广一些。所以,在编码过程中,选择使用switch-case还是if-else,需根据具体的分支条件和需求来进行判断。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [switch-case](https://blog.csdn.net/weixin_48052161/article/details/115875450)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 50%"]
- *2* *3* [if-else 和 switch-case 哪个效率更高?](https://blog.csdn.net/lt_xiaodou/article/details/126966636)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 50%"]
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