123 lines
4.6 KiB
C++
123 lines
4.6 KiB
C++
#include <mysql_driver.h>
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#include <mysql_connection.h>
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#include <cppconn/prepared_statement.h>
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#include <cppconn/resultset.h>
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#include <cppconn/statement.h>
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#include <cppconn/exception.h>
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#include <iostream>
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#include <string>
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#include <random>
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std::string generateRandomString(size_t length)
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{
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const std::string CHARACTERS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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std::random_device dev;
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std::mt19937 rng(dev());
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std::uniform_int_distribution<> dist(0, CHARACTERS.size() - 1);
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std::string random_string;
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for (size_t i = 0; i < length; ++i) {
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random_string += CHARACTERS[dist(rng)];
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}
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return random_string;
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}
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int main()
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{
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try
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{
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// 数据库连接配置
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std::string server = "tcp://127.0.0.1:3306";
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std::string username = "root";
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std::string password = "Hj57471000";
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std::string database = "hjems";
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// 创建连接
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sql::mysql::MySQL_Driver *driver;
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driver = sql::mysql::get_mysql_driver_instance();
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std::unique_ptr< sql::Connection > con(driver->connect(server, username, password));
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// 设置为使用指定数据库
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con->setSchema(database);
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// 准备SQL查询语句
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//std::string sql = "SELECT uid, uname, upasswd, usalt, email, mobile1, mobile2, memo FROM tbl_user WHERE uid = ?";
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std::string sql = "SELECT uid, uname, upasswd, usalt, email, mobile1, mobile2, memo FROM tbl_user WHERE uid LIKE ?";
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// 创建预编译的prepared statement
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std::unique_ptr< sql::PreparedStatement > pstmt(con->prepareStatement(sql));
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// 绑定参数
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//pstmt->setString(1, "hkc"); // 替换为你要查询的用户名
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// 绑定参数，使用 '%' 作为通配符进行模糊匹配
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// 例如，搜索以 'user' 开头的所有用户名
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std::string pattern = "user%"; // 替换为你要查询的模式
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pstmt->setString(1, pattern);
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// 执行查询
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std::unique_ptr< sql::ResultSet > res(pstmt->executeQuery());
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// 处理结果集
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while (res->next()) {
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// 假设username和password都是字符串类型
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std::string user = res->getString("uname");
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std::string pass = res->getString("upasswd");
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std::string usalt = res->getString("usalt");
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std::string email = res->getString("email");
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std::string mobile1 = res->getString("mobile1");
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std::string mobile2 = res->getString("mobile2");
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std::string memo = res->getString("memo");
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std::cout << "Username: " << user << ", Password: " << pass << std::endl;
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std::cout << "Salt: " << usalt << ", email: " << email << std::endl;
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std::cout << "mobile1: " << mobile1 << ", mobile2: " << mobile2 << std::endl;
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std::cout << "Memo: " << memo << std::endl;
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}
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// 插入新用户记录的 SQL 语句
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std::string insertSql = "INSERT INTO tbl_user (uid, uname, upasswd, usalt,memo) VALUES (?, ?, ?,?,?)";
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// 创建预编译的 prepared statement 对象
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std::unique_ptr<sql::PreparedStatement> insertStmt(con->prepareStatement(insertSql));
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// 绑定插入数据的参数
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size_t passwordLength = 12; // 密码长度不超过12个字符
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std::string newUid = generateRandomString(passwordLength);
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//const std::string newUid = "new_uid"; // 替换为新用户的用户名
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const std::string newSalt = "1C915F2C045EA7628E3CF170BFA59F51"; // 替换为新用户的密码
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const std::string newUser = "new_username"; // 替换为新用户的用户名
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const std::string newPassword = "new_password"; // 替换为新用户的密码
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const std::string newMemo = "新备注信息";
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insertStmt->setString(1, newUid);
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insertStmt->setString(2, newUser);
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insertStmt->setString(3, newPassword);
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insertStmt->setString(4, newSalt);
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insertStmt->setString(5, newMemo);
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// 执行插入操作
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int rowsAffected = insertStmt->executeUpdate();
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// 检查插入操作是否成功
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if (rowsAffected > 0)
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{
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std::cout << "New user inserted successfully." << std::endl;
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} else {
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std::cout << "No rows affected during insert operation." << std::endl;
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}
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// 关闭连接
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con->close();
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}
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catch (sql::SQLException &e) {
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std::cerr << "SQLException: " << e.what();
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std::cerr << " (MySQL error code: " << e.getErrorCode();
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std::cerr << ", SQLState: " << e.getSQLState() << " )" << std::endl;
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}
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return 0;
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} |