#替换
t=‘2018-08-07‘ t1=t.replace(‘-‘,‘‘) print(t1) #输出为20180807
#字符串截取与拼接
path=‘E:/项目/Djangocode/RSMDSys/static/imagedata/1535974092.287188.jpg‘ path1=path.split(‘/‘) print(‘path1:‘,path1) path2=path.split(‘/‘,4) print(‘path2:‘,path2) print(‘type(path2):‘,type(path2)) path3=path2[-1] print(‘path3:‘,path3) path4=‘/‘+path3 print(‘path4:‘,path4) #运行结果 path1: [‘E:‘, ‘项目‘, ‘Djangocode‘, ‘RSMDSys‘, ‘static‘, ‘imagedata‘, ‘1535974092.287188.jpg‘] path2: [‘E:‘, ‘项目‘, ‘Djangocode‘, ‘RSMDSys‘, ‘static/imagedata/1535974092.287188.jpg‘] type(path2): <class ‘list‘> path3: static/imagedata/1535974092.287188.jpg path4: /static/imagedata/1535974092.287188.jpg
https://blog.csdn.net/weixin_38383877/article/details/82192404
原文：https://www.cnblogs.com/iamdongyang/p/11780007.html