笔迹鉴别程序
考试的笔迹鉴别程序，分辨出不同人写的笔迹
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yanshui177
209
部署版本/------HWCV-exe/HWCV-exe/DBop.cpp
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209
部署版本/------HWCV-exe/HWCV-exe/DBop.cpp
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/*
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实现文件：DBop.cpp 数据库操作实现文件
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*/
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#include "DBop.h"
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#include "path.h"
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/*本地的全局变量*/
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_ConnectionPtr p_conn; /*全局变量 连接对象*/
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_RecordsetPtr p_recordset; /*全局变量 记录集对象*/
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_CommandPtr p_cmd; /*全局变量 操作集对象*/
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string str_conn; /*全局变量 连接字符串设置*/
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/**
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程序功能： 根据string类的stu【存储学号】，搜索出所有此人的考试信息,并分别存储在不同的变量中
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@变量 stuNum 学号
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@变量 date<vector> 考试时间
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@变量 subject<vector> 考试科目
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@变量 stuNum<vector> 考号
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@返回值 成功1 失败0
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*/
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int DbImg(string stuNum, vector<string>& dateVec, vector<string>& subjectVec, vector<string>& stuNum2)//搜寻图片
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{
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/*字符转换，方便使用*/
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string userName(g_db_userName.c_str());
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string password(g_db_password.c_str());
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string hostName(g_db_hostName.c_str());
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string dBName(g_db_dBName.c_str());
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//cout<<g_db_userName.c_str()<<endl;
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//cout<<g_db_password.c_str()<<endl;
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//cout<<g_db_hostName.c_str()<<endl;
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//cout<<g_db_dBName.c_str()<<endl;
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/*创建链接描述符*/
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//Provider=OraOLEDB.Oracle.1;Persist Security Info = true;User ID = BJSH;Password=bjshadmin;Data Source = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST=192.168.200.97)(PORT=1521))
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//(CONNECT_DATA=(SERVICE_NAME=purple)))",
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str_conn = "Provider=OraOLEDB.Oracle.1;Persist Security Info = true;User ID = ";
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str_conn += userName; //===仅初始化一次===//
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str_conn += ";Password="; //==================//
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str_conn += password;
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str_conn += ";Data Source = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST=";
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str_conn += hostName;
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str_conn += ")(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=";
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str_conn += dBName;
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str_conn += ")))";
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//构造查询语句 下句注释是sql语句，需要构造成这种类型
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/*select KS_ZKZ, KSSJ, TJ_KC_DM from ZK.T_BYSQ_KS_KC WHERE KSSJ between '200907' and '201510' and KS_ZKZ = 010207203867*/
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/*string sql = "select KS_ZKZ2, KSSJ, TJ_KC_DM from ZK.T_BYSQ_KS_KC WHERE KSSJ between '200907' and '201504' AND KS_ZKZ = ";*/
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// select KS_ZKZ, KSSJ, TJ_KC_DM from ZK.T_BYSQ_KS_KC WHERE KSSJ between '200907' and '201510' and KS_ZKZ = 010214100225
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//"select KS_ZKZ, KSSJ, TJ_KC_DM from ZK.T_BYSQ_KS_KC WHERE KSSJ between '200907' and '201510' and KS_ZKZ = 010214100225",
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string sql = "select KS_ZKZ, KSSJ, TJ_KC_DM from ";
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sql += g_db_hoster_zk;
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sql += ".T_BYSQ_KS_KC WHERE KSSJ between ";
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sql += g_db_qurry_start;
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sql += " and ";
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sql += g_db_qurry_end;
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sql += "AND KS_ZKZ =";
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sql += stuNum.c_str();
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_bstr_t _vstr_sql(sql.c_str());/* 转换string为_variant_t */
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::CoInitialize(NULL);//初始化com组件
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/*创建、打开连接*/
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try{
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p_conn.CreateInstance("ADODB.Connection");//创建连接
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p_recordset.CreateInstance("ADODB.Recordset");//创建结果集,也就是实例化
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p_conn->CursorLocation = adUseClient; //存储过程同时返回记录集和返回值
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p_conn->Open(_bstr_t(str_conn.c_str()),
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//p_conn->Open("Provider=OraOLEDB.Oracle.1;Persist Security Info = true;User ID = BJSH;Password=bjshadmin;Data Source = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST=192.168.200.97)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=purple)))",
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_bstr_t(userName.c_str()),
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_bstr_t(password.c_str()),
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adConnectUnspecified);
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// SaveLog((char*)str_conn.c_str(), g_log_adr, "a");
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HRESULT hr = p_recordset->Open(_bstr_t(_vstr_sql),//执行sq语句，查询一个学生的所有考试信息
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//HRESULT hr = p_recordset->Open("select KS_ZKZ, KSSJ, TJ_KC_DM from ZK.T_BYSQ_KS_KC WHERE KSSJ between '200907' and '201510' and KS_ZKZ = 010214100225",
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p_conn.GetInterfacePtr(),
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adOpenStatic,
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adLockOptimistic,
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adCmdText);
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cout<<"count:"<<p_recordset->RecordCount <<endl;
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//将结果集输出到三个vector变量中
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if (p_recordset->RecordCount < 1)//结果集为空
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{
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return 0;//没有信息，直接跳过这个人
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}
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do{ //将结果集输出到三个vector变量中
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dateVec.push_back((string)(_bstr_t)(p_recordset->Fields->GetItem(_variant_t("KSSJ"))->GetValue()));
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subjectVec.push_back((string)(_bstr_t)(p_recordset->Fields->GetItem(_variant_t("TJ_KC_DM"))->GetValue()));
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stuNum2.push_back((string)(_bstr_t)(p_recordset->Fields->GetItem(_variant_t("KS_ZKZ"))->GetValue()));
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p_recordset->MoveNext();
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} while (!p_recordset->EndOfFile);
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}
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catch (_com_error e)
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{
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/*printf("%x", e.Error());
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cout<<"Failed"<<endl;*/
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memset(g_log_rec, 0, sizeof(g_log_rec));
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strcat(g_log_rec, "DBImg-Err:");
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strcat(g_log_rec, (char*)e.Description());
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strcat(g_log_rec, " ");
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strcat(g_log_rec, (char*)e.Error());
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strcat(g_log_rec, " ");
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SaveLog(g_log_rec, g_log_adr, "a");
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::CoUninitialize();
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return 0;
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}
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/*关闭查询*/
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return 1;
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}
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/**
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程序功能： 更新学生数据库信息,根据学生的鉴定结果，将结果输出到数据库中
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@变量 stuNum：学号
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@变量 subject：考试科目
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@变量 flagCheat：作弊标记
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@返回值 成功1失败0
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*/
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int DbUpdate(string stuNum, vector<string> dateVec, vector<string> subjectVec, vector<string> stuNum2, vector<string> flagVec)
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{
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/*字符转换，方便使用*/
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string userName(g_db_userName.c_str());
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string password(g_db_password.c_str());
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string hostName(g_db_hostName.c_str());
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string dBName(g_db_dBName.c_str());
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/*更新字串设置*/
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int count = subjectVec.size();
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vector<string> sqlKC; //课程表：作弊第一字段
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int ci = 0; //循环
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/*构造更新语句*/
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for (ci = 0; ci < count; ++ci)
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{
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/*作弊的*/
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string sqlKC1 = "UPDATE ";
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sqlKC1 += g_db_hoster_zk;
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sqlKC1 += ".T_BYSQ_KS_KC SET BJSH_JG_JQ =";//天津_课程_代码
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sqlKC1 += flagVec[ci].c_str();
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sqlKC1 += " WHERE KS_ZKZ2=";
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sqlKC1 += stuNum2[ci].c_str();
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sqlKC1 += " AND TJ_KC_DM=";
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sqlKC1 += subjectVec[ci].c_str();
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sqlKC1 += " AND KSSJ=";
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sqlKC1 += dateVec[ci].c_str();
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sqlKC1 += " AND KS_ZKZ=";
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sqlKC1 += stuNum.c_str();
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sqlKC.push_back(sqlKC1);
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}
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::CoInitialize(NULL);//初始化com组件
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/*更新数据库表*/
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try{
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p_conn.CreateInstance("ADODB.Connection");//创建连接
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p_recordset.CreateInstance("ADODB.Recordset");//创建结果集,也就是实例化
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p_cmd.CreateInstance("ADODB.Command");
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p_conn->CursorLocation = adUseClient; //存储过程同时返回记录集和返回值
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p_conn->Open(_bstr_t(str_conn.c_str()), _bstr_t(userName.c_str()), _bstr_t(password.c_str()), adConnectUnspecified);
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p_cmd->ActiveConnection = p_conn;
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for (ci = 0; ci < count; ++ci)
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{
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p_recordset->Open(_bstr_t(sqlKC[ci].c_str()),//更新第二条
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p_conn.GetInterfacePtr(),
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adOpenStatic,
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adLockOptimistic,
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adCmdText);
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}
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}
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catch (_com_error e)
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{
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memset(g_log_rec, 0, sizeof(g_log_rec));
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strcat(g_log_rec, "DBUpdate-Err:");
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strcat(g_log_rec, (char*)e.Description());
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strcat(g_log_rec, " ");
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strcat(g_log_rec, (char*)e.Error());
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strcat(g_log_rec, " ");
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SaveLog(g_log_rec, g_log_adr, "a");
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::CoUninitialize();
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return 0;
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}
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/*关闭查询*/
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::CoUninitialize();
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return 1;
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}
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