摘要：实现string 的去除两边空格，按指定字符截取，替换#include <iostream>#include <vector>using namespace std;namespace strtool{string trim(const string& str){ string::size_type pos = str.find_first_not_of(' '); if (pos == string::npos) { return str; } string::size_type pos2 = str.find_last_not_of(' 阅读全文