c++ split()
时间: 2023-11-26 14:03:41 浏览: 31
在C++中,没有内置的split()函数,但我们可以自己实现一个。下面是一个用于将字符串分割成多个子字符串的示例代码:
```cpp
#include <iostream>
#include <sstream>
#include <vector>
#include <string>
void split(const std::string& s, char delim, std::vector<std::string>& elems) {
std::stringstream ss(s);
std::string item;
while (std::getline(ss, item, delim)) {
elems.push_back(item);
}
}
int main(void) {
std::vector<std::string> x;
split("hello,world,c ", ',', x);
for (auto it = std::begin(x); it != std::end(x); it++) {
std::cout << *it << " ";
}
std::cout << std::endl;
return 0;
}
```
这段代码定义了一个split()函数,接收一个字符串和一个分隔符作为参数,将字符串分割成多个子字符串,并存储在一个字符串向量中。然后我们可以根据索引获取指定位置的子字符串。
比如,在上面的例子中,`x`是"hello",`x`是"world",`x`是"c"。所以,如果你想获取分割后指定位置的字符串,你可以通过访问相应的向量元素来实现。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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