方法如下:
工具/原料:软件:快剪辑4.14.1、手机:苹果6s Plus、系统:ios12.0
步骤:
1、打开快剪辑,进入【剪辑】。
![](https://iknow-pic.cdn.bcebos.com/dbb44aed2e738bd4e4ce2fa4b38b87d6267ff9bc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、从相册选择要添加黑边或白边的视频导入。
![](https://iknow-pic.cdn.bcebos.com/86d6277f9e2f070876eab795fb24b899a801f2bc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、点击【字幕】。
![](https://iknow-pic.cdn.bcebos.com/b999a9014c086e067847a2de10087bf40bd1cbbc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、点击【贴纸】。
![](https://iknow-pic.cdn.bcebos.com/03087bf40ad162d99901ff8903dfa9ec8b13cdbc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、在菜单上拉到最右边,选择最后一个【边框】,然后选择【白色电影遮幅】或【黑色电影遮幅】。
![](https://iknow-pic.cdn.bcebos.com/f703738da9773912fdc918f4ea198618377ae2bc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、这里选择黑色电影遮幅,然后双指放大电影遮幅。
![](https://iknow-pic.cdn.bcebos.com/21a4462309f790521bf0daab1ef3d7ca7acbd5bc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
7、放大到整个屏幕,然后点击【√】。
![](https://iknow-pic.cdn.bcebos.com/279759ee3d6d55fbc929ebb37f224f4a21a4ddbc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
8、点击图中所示的黄色小标志。
![](https://iknow-pic.cdn.bcebos.com/54fbb2fb43166d2231988801542309f79152d2bc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
9、出现黄色方框,按住黄色边框的右侧,并往右拖动。
![](https://iknow-pic.cdn.bcebos.com/7acb0a46f21fbe09e0b15e8179600c338644adbc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
10、拖到视频的最后,然后进入【下一步】。
![](https://iknow-pic.cdn.bcebos.com/9922720e0cf3d7cafc19a2e3e01fbe096a63a9bc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
11、点击【使用水印】右侧按钮,关闭水印,然后点击【生成】。
![](https://iknow-pic.cdn.bcebos.com/f603918fa0ec08fa27ef8e324bee3d6d54fbdabc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)