dataArray = [dataArray mutableCopy];
[dataArray removeAllObjects];
原因:
http://stackoverflow.com/questions/14834749/nsmutablearray-removeallobjects-results-in-a-crash
dataArray = [dataArray mutableCopy];
[dataArray removeAllObjects];
原因:
http://stackoverflow.com/questions/14834749/nsmutablearray-removeallobjects-results-in-a-crash
转载于:https://www.cnblogs.com/jinzhengen/p/4610832.html