要把照片调整成像素320X240,并且体积大小为100K,可以使用专门处理图片的软件来弄,如ps、画图工具、美图秀秀等等软件,以下是ps的操作方法:
在ps界面里,点击左上角的”文件“,选择”新建“;
弹出”新建“窗口之后,宽度设置为320像素,高度设置为240像素,根据个人需要设置特定的分辨率,点击”确定“;
![](https://iknow-pic.cdn.bcebos.com/c2cec3fdfc039245ab309e808194a4c27c1e25b3?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg)
建立好特定尺寸的画布之后,直接将特定的图片拖进画布里面;
可以按住键盘上的shift键,拖住图片的右下角,等比缩放图片到合适尺寸,弄好之后,点击打勾确定;
![](https://iknow-pic.cdn.bcebos.com/96dda144ad345982ac299a1d0af431adcaef8499?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg)
接着点击左上角的”文件“,选择”存储为“;
![](https://iknow-pic.cdn.bcebos.com/bd315c6034a85edfc13580ac4f540923dc547587?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg)
选择保存路径,格式选择jpg,点击”保存“;
![](https://iknow-pic.cdn.bcebos.com/8b82b9014a90f603c706e2c83f12b31bb151ed8f?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg)
在弹出来的窗口上,点击勾选”预览“,移动品质下面的光标,可以改变文件体积大小,在预览下看到调整到合适的数值以后,点击”确定“即可。
![](https://iknow-pic.cdn.bcebos.com/14ce36d3d539b600304b7138ef50352ac75cb7b3?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg)