IfStand和OFFROW在C++中的错误

我正在为我的数据库进行注册，但编译器总是对我说：

调用“std:：basic_ifstream:：getlinestd:：_cxx11:：string&，int&”时没有匹配的函数 getText.getlinepass\u密码、数据\u计数\u密码

我不明白我的代码中的错误在哪里有人能帮我吗

代码：

#include <iostream>
#include <cstring>
#include <fstream>

using namespace std;

bool is_user = false,startDatabase = false;
string file_text;
string username;
string password;
string repeat_password;
bool isCorrect = false;

int main(int argc, char const *argv[])
{
ofstream setText("user_data.txt");

ifstream getText("user_data.txt");

getText.getline(file_text,10);
if(file_text == ""){
    while(!isCorrect){
        cout << "For using our dataBase, please enter data for 
privacy \nUsername : ";
        cin >> username;
        cout << "Password : ";
        cin >> password;
        cout << "Repeat password : ";
        cin >> repeat_password;
        if(password == repeat_password){
            isCorrect = true;
        }else{
            cout << "Please, repeat and enter identistic passwords!";
            isCorrect = false;
        }
    }

    setText << username << password;
}else{
    int data_count_username = username.length();
    int data_count_password = password.length();

    string pass_password;
    string pass_username;

    cout << "Please enter your data " << endl << "Username : ";
    cin >> username;
    cout << "Password : ";
    cin >> password;
    getText.getline(pass_username,data_count_username);
    getText.getline(pass_password, data_count_password);

    if(pass_username == username && pass_password == password){
        startDatabase = true;
    }
}

setText.close();
getText.close();

return 0;
}

使用：

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我怎样才能修好它只需将字符串更改为字符数组？显然它接受字符*而不是字符串使用文件\u text.c\u str在页面底部有一个示例所以…..问题是字符？是的，它一定是字符*

std::getline(getText,file_text);