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     1、ArrarList 转换为 string[] :

  ArrayList list = new ArrayList();


  list.Add("aaa");


  list.Add("bbb");


  //转换成数组


  string[] arrString = (string[])list.ToArray(typeof( string)) ;


  2、string[] 转换为 ArrarList :


  ArrayList list = new ArrayList(new string[] { "aaa", "bbb" });


  3、ArrayList 转换为 string :


  ArrayList list = new ArrayList();


  list.Add("aaa");


  list.Add("bbb");


  //转换成数组


  string str= string.Join(",", (string[])list.ToArray(typeof( string)));


  4、string 转换为 ArrayList :


  string str="1,2,3,4,5";


  ArrayList b = new ArrayList( str.Split(',') ) ;

posted on 2011-10-20 11:07  nextsoft  阅读(2493)  评论(0编辑  收藏  举报