// chat_server.cpp #include "sql_wrapper.h" int main() { sql_wrapper sql_("tcp://127.0.0.1:3306", "root", "111222", "game"); bool ret_ = false; // 创建 ret_ = sql_.create("create table test (id_ double, name_ varchar(64), password_ varchar(64)); "); // 添加 ret_ = sql_.insert("insert into test (id_, name_, password_) values (0.1, '0.2', '0.3');"), // 添加 —> 带参数 ret_ = sql_.insert("insert into test (id_, name_, password_) values (?, ?, ?);", std::tuple(0.11118, "0.2", "0.2")); // 添加 —> 带参数 ret_ = sql_.insert("insert into test (id_, name_, password_) values (?, ?, ?);", std::tuple(0.8, "0.2", "0.2")); // 删除 ret_ = sql_.remove("delete from test where id_ = '0.3';"); // 删除 —> 带参数 ret_ = sql_.remove("delete from test where id_ = ?;", std::tuple("0.11118")); // 更新 ret_ = sql_.update("update test set id_ = 0.1, name_ = 'test' where password_ = 0.1;"), // 更新 —> 带参数 ret_ = sql_.update("update test set id_ = ?, name_ = ? where password_ = ?;", std::tuple(0.2, "humorly", "0.2")); std::vector> user_content_; // 查询 ret_ = sql_.select("select * from test;", std::tuple<>(), std::tuple("id_", "name_", "password_"), user_content_); std::cout << "content:" << std::endl; for (auto &val : user_content_) { std::cout << "id_ = " << std::get<0>(val) << ", "; std::cout << "name_ = " << std::get<1>(val) << ", "; std::cout << "password_ = " << std::get<2>(val) << std::endl; } // 查询 —> 带参数 user_content_.clear(); ret_ = sql_.select("select id_, name_, password_ from test where password_ = ?;", std::tuple("0.2"), std::tuple("id_", "name_", "password_"), user_content_); std::cout << "content:" << std::endl; for (auto &val : user_content_) { std::cout << "id_ = " << std::get<0>(val) << ", "; std::cout << "name_ = " << std::get<1>(val) << ", "; std::cout << "password_ = " << std::get<2>(val) << std::endl; } return 0; }