iOS-两数组的差集
2019-06-10 本文已影响0人
拎着猫走的鱼
- 找到在array1中不在array2中的数据
NSPredicate * filterPredicate1 = [NSPredicate predicateWithFormat:@"NOT (SELF IN %@)", array2];
NSArry *newArr = [array1 filteredArrayUsingPredicate:filterPredicate1];
NSPredicate * filterPredicate1 = [NSPredicate predicateWithFormat:@"NOT (SELF IN %@)", array2];
NSArry *newArr = [array1 filteredArrayUsingPredicate:filterPredicate1];