下面通过一个样例演示如何对数组元素进行排序。数组内为自定义用户对象,最终要实现按用户名排序,数据如下:
| 1 2 3 4 | varuserList = [UserInfo]()userList.append(UserInfo(name: "张三", phone: "4234"))userList.append(UserInfo(name: "李四", phone: "1212"))userList.append(UserInfo(name: "航歌", phone: "3525")) | 
 方法1
| 1 2 3 4 5 | userList.sortInPlace(onSort)funconSort(s1:UserInfo, s2:UserInfo) -> Bool{    returns1.name > s2.name} | 
  
 方法2
| 1 | userList.sortInPlace({$0.name > $1.name}) |