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simple1.cpp
Package: SwordOnline.rar [view]
Upload User: dzyhzl
Upload Date: 2019-04-29
Package Size: 56270k
Code Size: 2k
Category:
Game Server Simulator
Development Platform:
C/C++
- #include <iostream>
- #include <iomanip>
- #include <mysql++>
- int main() {
- // The full format for the Connection constructor is
- // Connection(cchar *db, cchar *host="",
- // cchar *user="", cchar *passwd="")
- // You may need to specify some of them if the database is not on
- // the local machine or you database username is not the same as your
- // login name, etc..
- try {
- Connection con("mysql_cpp_data");
- Query query = con.query();
- // This creates a query object that is bound to con.
- query << "select * from stock";
- // You can write to the query object like you would any other ostrem
- Result res = query.store();
- // Query::store() executes the query and returns the results
- cout << "Query: " << query.preview() << endl;
- // Query::preview() simply returns a string with the current query
- // string in it.
- cout << "Records Found: " << res.size() << endl << endl;
- Row row;
- cout.setf(ios::left);
- cout << setw(17) << "Item"
- << setw(4) << "Num"
- << setw(7) << "Weight"
- << setw(7) << "Price"
- << "Date" << endl
- << endl;
- Result::iterator i;
- // The Result class has a read-only Random Access Iterator
- for (i = res.begin(); i != res.end(); i++) {
- row = *i;
- cout << setw(17) << row[0]
- << setw(4) << row[1]
- << setw(7) << row["weight"]
- // you can use either the index number or column name when
- // retrieving the colume data as demonstrated above.
- << setw(7) << row[3]
- << row[4] << endl;
- }
- } catch (BadQuery er){ // handle any connection
- // or query errors that may come up
- cerr << "Error: " << er.error << endl;
- return -1;
- } catch (BadConversion er) {
- // we still need to cache bad conversions incase something goes
- // wrong when the data is converted into stock
- cerr << "Error: Tried to convert "" << er.data << "" to a ""
- << er.type_name << ""." << endl;
- return -1;
- }
- return 0;
- }