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博客园 - 今夜太冷

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std::vector push_back报错Access violation
今夜太冷 · 2018-08-27 · via 博客园 - 今夜太冷

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#include <vector>

#include <string>

#include <iostream>

struct Person

{

    std::string name;

    int age;

    std::string bank_ac_no;

    Person(const std::string& name, int years,

        const std::string& ac_no) :

        name(name), age(years), bank_ac_no(ac_no) {}

    Person() : name(""), age(0), bank_ac_no(""){}

};

int main(int argc, char *argv[])

{

    struct Person p1 = { "A Smith", 71, "5702750" };

    std::vector<Person> people1(0);

    people1.push_back(p1);

    return 0;

}

运行的时候在push_back那一句报如下的错误: 
Unhandled exception at 0x50C031CA (msvcr120d.dll) in Test15.exe: 0xC0000005: Access violation reading location 0x391F9350.

试了一下,如果不是push_back自定义的struct,而是push_back一个内置类型(比如int,string)就不会报错.

到底是怎么回事那? 请指教. 谢谢

[问题补充] 新建了一个项目, 把上面的代码拷贝过去,就没有问题. 检查了一下新项目和现在的项目,配置是一模一样的.

[答案]

原来我项目中的其他文件中也定义了一个struct Person, 把其他的一个struct改一下名字就好了.