1，String转List
```csharp;gutter:true;
//常见的为逗号分隔
String str = "a,b,c";
List list1 = Arrays.asList(str.split(",")); //[a, b, c]
List list2 = Arrays.asList(str.split("")); //[a, ,, b, ,, c]
2，List转String
```csharp;gutter:true;
List list = new ArrayList();
list.add("a");
list.add("b");
list.add("c");
String str1 = StringUtils.join(list, ","); //a,b,c
String str2 = StringUtils.join(list, ""); //abc
Original: https://www.cnblogs.com/achengmu/p/15519238.html
Author: 穆晟铭
Title: String和List相互转换