生活有度，人生添壽。?—— 書摘

NSString *imagePath = @"https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=1333967633,2116729047&fm=27&gp=0.jpg";

// 判斷是否是“https://”開頭

[imagePath hasPrefix:@"https://"];

// 判斷是否是“.jpg”結(jié)尾

[imagePath hasSuffix:@".jpg"];

// 判斷是否包含“bdstatic”

if([imagePath rangeOfString:@"bdstatic"].location==NSNotFound) {

????????NSLog(@"不包含bdstatic");

?} else {

? ??? ? NSLog(@"包含bdstatic");

}