分割时无法将string []隐式转换为字符串 [英] Cannot implicitly convert string[] to string when splitting

问题描述

我是C#的新手，我不明白为什么这不起作用.我想分割一个先前分割的字符串.

I am new to c# and I don't understand why this isn't working. I want to split a previously splitted string.

我的代码如下:

int i;
string s;
string[] temp, temp2;

Console.WriteLine("write 'a-a,b-b,c-c,d-d'";
s = Console.ReadLine();
temp = s.Split(',');

for (i = 0; i < temp.Length; i++)
    temp2[i] = temp[i].Split('-');

出现以下错误无法将类型'string []'隐式转换为'string

我想结束:

temp = {a-a , b-b , c-c , d-d};
temp2 = {{a,a},{b,b},{c,c},{d,d}};

推荐答案

string.Split()的结果是 string [] ，您应该已经看到分配给 string [] temp 时的正确用法.但是，当您分配给 string [] temp2 的元素时，您试图将字符串数组存储在本应仅存储 strings 的插槽中em>，因此出现编译器错误.您的代码可以通过下面的一个简单更改进行工作.

The result of string.Split() is string[], which you should already see by the correct usage when you assign to string[] temp. But when you are assigning to the elements of string[] temp2, you are trying to store arrays of strings in slots that are meant to only store strings, hence the compiler error. Your code could work with a simple change below.

string[] temp;
string[][] temp2; // array of arrays 

string s = "a-a,b-b,c-c,d-d";
temp = s.Split(',');

temp2 = new string[temp.Length][];

for (int i = 0; i < temp.Length; i++)
    temp2[i] = temp[i].Split('-'); 

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