string[] sl = new string[]{“aa”,“bb”,“cc”};
string s;
s = String.Join("", sl);
测试过,结果为:aabbcc
s = String.Join(",", sl);
结果为:aa,bb,cc
C#怎么使一个String型的数组变成字符串
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转载自blog.csdn.net/Melody1994/article/details/91360520
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