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#ifndef BASIC_BUSINESS_TABLE_BASEMANAGER_H
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#define BASIC_BUSINESS_TABLE_BASEMANAGER_H
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#include <list>
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#include <vector>
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#include <string>
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#include <iostream>
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#include <mysql++.h>
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#include <AppConfig.h>
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using namespace std;
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static mysqlpp::Connection* conn;
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class BaseDao {
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public:
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static mysqlpp::SimpleResult add(std::map<std::string, std::string>& columns, string tableName) {
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initConnection();
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mysqlpp::SimpleResult simpleResult;
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try {
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mysqlpp::Query query = conn->query(getInsertSql(columns, tableName));
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simpleResult = query.execute();
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if (simpleResult.insert_id() <= 0) {
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cout << "add error " << query.error() << endl;
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}
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} catch (exception &e) {
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cout << e.what() << endl;
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}
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return simpleResult;
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}
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static bool del(string tableName, std::map<std::string, std::string>& whereColumns) {
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initConnection();
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string sql = "DELETE FROM " + tableName + " where 1=1 " + getWhereColumnNameValuePair(whereColumns);
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mysqlpp::Query query = conn->query(sql);
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bool ret = query.exec();
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if (!ret) {
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cout << "error " <<query.error() << endl;
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}
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return ret;
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}
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static bool update(std::map<std::string, std::string>& columns, string tableName, std::map<std::string, std::string>& whereColumns) {
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string updateSql = getUpdateSql(columns, tableName, whereColumns);
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initConnection();
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mysqlpp::Query query = conn->query(updateSql);
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bool ret = query.exec();
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if (!ret) {
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cout << "add error " << query.error() << endl;
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}
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return ret;
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}
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static vector<map<string, string>> findList(string sql) {
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initConnection();
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vector<map<string, string>> rowDataList;
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mysqlpp::Query query = conn->query(sql);
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if (auto res = query.store()) {
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for (auto it = res.begin(); it != res.end(); ++it) {
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map<string, string> rowData;
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mysqlpp::Row row = *it;
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auto field_list = row.field_list();
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const mysqlpp::FieldNames* fieldNames = field_list.list;
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for (int i = 0; i < fieldNames->size(); i++) {
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string columnValue;
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row[i].to_string(columnValue);
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string columnName = fieldNames[0].at(i);
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rowData[columnName] = columnValue;
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}
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rowDataList.emplace_back(rowData);
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}
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} else {
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cout << "query failed" << endl;
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}
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return rowDataList;
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}
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static Json::Value findJsonArray(string sql) {
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initConnection();
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mysqlpp::Query query = conn->query(sql);
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Json::Value rowList;
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if (auto res = query.store()) {
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for (auto it = res.begin(); it != res.end(); ++it) {
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Json::Value row;
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const mysqlpp::FieldNames* fieldNames = it->field_list().list;
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for (int i = 0; i < fieldNames->size(); i++) {
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string columnValue;
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(*it)[i].to_string(columnValue);
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if (columnValue == "NULL") {
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columnValue = "";
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}
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string columnName = fieldNames[0].at(i);
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row[columnName] = columnValue;
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}
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rowList.append(row);
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}
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} else {
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cout << "query failed" << endl;
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}
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return rowList;
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}
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static bool exec(string sql) {
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initConnection();
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mysqlpp::Query query = conn->query(sql);
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bool ret = query.exec();
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if (!ret) {
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cout << "error " <<query.error() << endl;
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}
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return ret;
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}
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static string getInsertSql(std::map<std::string, std::string>& columns, string tableName) {
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string insertSql = "INSERT INTO "+tableName+" ("
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+ getColumnNames(columns) +
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" ) values ( "
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+ getColumnValues(columns) +
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" )";
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cout << "insertSql " << insertSql << endl;
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return insertSql;
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}
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static string getUpdateSql(std::map<std::string, std::string>& columns, string tableName, std::map<std::string, std::string>& whereColumns) {
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string updateSql = "update "+tableName+" set "
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+ getColumnNameValuePair(columns) +
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" where 1=1 "+
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getWhereColumnNameValuePair(whereColumns)
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;
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cout << "updateSql " << updateSql << endl;
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return updateSql;
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}
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static void doConnect() {
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// if (conn->connect(
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// appConfig.getStringProperty("database").c_str(),
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// appConfig.getStringProperty("db_host").c_str(),
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// appConfig.getStringProperty("db_user").c_str(),
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// appConfig.getStringProperty("db_password").c_str(),
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// appConfig.getIntProperty("db_port")
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// )) {
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if (conn->connect(
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"EGEyesForVSS",
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"127.0.0.1",
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"root",
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"123456",
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3306
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)) {
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cout << "connect success" << endl;
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} else {
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cout << "connect failed" << endl;
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}
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}
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static void initConnection() {
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static bool inited = false;
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if (!inited) {
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inited = true;
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conn = new mysqlpp::Connection(false);
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doConnect();
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}
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if (!conn->connected() || !conn->ping()) {
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doConnect();
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}
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}
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static string getColumnNames(std::map<std::string, std::string>& columns) {
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string columnNames;
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auto size = columns.size();
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int i = 0;
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for (auto column : columns) {
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columnNames.append(column.first);
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if (i != size - 1) {
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columnNames.append(",");
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}
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i++;
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}
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return columnNames;
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}
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static string getColumnValues(std::map<std::string, std::string>& columns) {
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string columnValues;
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auto size = columns.size();
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int i = 0;
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for (auto column : columns) {
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columnValues.append("'"+column.second+"'");
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if (i != columns.size() - 1) {
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columnValues.append(",");
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}
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i++;
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}
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return columnValues;
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}
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static string getColumnNameValuePair(std::map<std::string, std::string>& columns) {
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string columnNameValuePair;
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auto size = columns.size();
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int i = 0;
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for (auto column : columns) {
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columnNameValuePair.append(column.first);
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columnNameValuePair.append("=");
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columnNameValuePair.append("'"+column.second+"'");
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if (i != size - 1) {
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columnNameValuePair.append(",");
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}
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i++;
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}
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return columnNameValuePair;
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}
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static string getWhereColumnNameValuePair(std::map<std::string, std::string>& columns) {
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string columnNameValuePair;
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auto size = columns.size();
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int i = 0;
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for (auto column : columns) {
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columnNameValuePair.append(" and ");
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columnNameValuePair.append(column.first);
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columnNameValuePair.append("=");
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columnNameValuePair.append("'"+column.second+"' ");
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i++;
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}
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return columnNameValuePair;
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}
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};
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#endif //BASIC_BUSINESS_TABLE_BASEMANAGER_H
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