list转string
String str= String.join("','", list);
list转set
Set<String> set = new HashSet<>(skuList);
set转list
List<String> list = new ArrayList<>(set);
list转string
String str= String.join("','", list);
list转set
Set<String> set = new HashSet<>(skuList);
set转list
List<String> list = new ArrayList<>(set);