输入:
var pList=new []{"a","b","c"};
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输出:
string pListRet="a,b,c";
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我知道它可以JS快速实现pList.Join(",");
但是它可以在C#中实现吗?
var pList=new []{"a","b","c"};
string pListRet = String.Join(",",pList)
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如果你真的真的想要使用linq,这可行:
var pList=new []{"a","b","c"};
string pListRet = pList.Aggregate((t,s) => t+(t==""?"":",")+s);
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