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103 lines
3.6 KiB
C++

12 months ago
/*
* Copyright (c) 2016 The ZLToolKit project authors. All Rights Reserved.
*
* This file is part of ZLToolKit(https://github.com/ZLMediaKit/ZLToolKit).
*
* Use of this source code is governed by MIT license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#include <iostream>
#include "Util/logger.h"
#if defined(ENABLE_MYSQL)
#include "Util/SqlPool.h"
#endif
using namespace std;
using namespace toolkit;
int main() {
//初始化日志
Logger::Instance().add(std::make_shared<ConsoleChannel> ());
#if defined(ENABLE_MYSQL)
/*
* :
*
*/
string sql_ip = "127.0.0.1";
unsigned short sql_port = 3306;
string user = "root";
string password = "111111";
string character = "utf8mb4";
#if defined(SUPPORT_DYNAMIC_TEMPLATE)
//初始化数据
SqlPool::Instance().Init(sql_ip,sql_port,"",user,password/*,character*/);
#else
//由于需要编译器对可变参数模板的支持所以gcc5.0以下一般都不支持,否则编译报错
ErrorL << "your compiler does not support variable parameter templates!" << endl;
return -1;
#endif //defined(SUPPORT_DYNAMIC_TEMPLATE)
//建议数据库连接池大小设置跟CPU个数一致(大一点为佳)
SqlPool::Instance().setSize(3 + thread::hardware_concurrency());
vector<vector<string> > sqlRet;
SqlWriter("create database test_db;", false) << sqlRet;
SqlWriter("create table test_db.test_table(user_name varchar(128),user_id int auto_increment primary key,user_pwd varchar(128));", false) << sqlRet;
//同步插入
SqlWriter insertSql("insert into test_db.test_table(user_name,user_pwd) values('?','?');");
insertSql<< "zltoolkit" << "123456" << sqlRet;
//我们可以知道插入了几条数据,并且可以获取新插入(第一条)数据的rowID
DebugL << "AffectedRows:" << insertSql.getAffectedRows() << ",RowID:" << insertSql.getRowID();
//同步查询
SqlWriter sqlSelect("select user_id , user_pwd from test_db.test_table where user_name='?' limit 1;") ;
sqlSelect << "zltoolkit" ;
vector<vector<string> > sqlRet0;
vector<list<string> > sqlRet1;
vector<deque<string> > sqlRet2;
vector<map<string,string> > sqlRet3;
vector<unordered_map<string,string> > sqlRet4;
sqlSelect << sqlRet0;
sqlSelect << sqlRet1;
sqlSelect << sqlRet2;
sqlSelect << sqlRet3;
sqlSelect << sqlRet4;
for(auto &line : sqlRet0){
DebugL << "vector<string> user_id:" << line[0] << ",user_pwd:"<< line[1];
}
for(auto &line : sqlRet1){
DebugL << "list<string> user_id:" << line.front() << ",user_pwd:"<< line.back();
}
for(auto &line : sqlRet2){
DebugL << "deque<string> user_id:" << line[0] << ",user_pwd:"<< line[1];
}
for(auto &line : sqlRet3){
DebugL << "map<string,string> user_id:" << line["user_id"] << ",user_pwd:"<< line["user_pwd"];
}
for(auto &line : sqlRet4){
DebugL << "unordered_map<string,string> user_id:" << line["user_id"] << ",user_pwd:"<< line["user_pwd"];
}
//异步删除
SqlWriter insertDel("delete from test_db.test_table where user_name='?';");
insertDel << "zltoolkit" << endl;
//注意!
//如果SqlWriter 的 "<<" 操作符后面紧跟SqlPool::SqlRetType类型则说明是同步操作并等待结果
//如果紧跟std::endl ,则是异步操作在后台线程完成sql操作。
#else
ErrorL << "ENABLE_MYSQL not defined!" << endl;
return -1;
#endif//ENABLE_MYSQL
return 0;
}