create database

4 years ago · b05d0b5d57
parent e8182ad126
commit b05d0b5d57
1 changed files with 207 additions and 0 deletions
--- a/src/database.cpp
+++ b/src/database.cpp
@ -0,0 +1,207 @@
+#include <QSqlDatabase>
+#include <QSqlError>
+#include <QSqlQuery>
+#include <stdio.h> 
+#include "dirent.h"  
+#define  FilePath1 "./<EFBFBD><EFBFBD><EFBFBD><EFBFBD>/"
+#define  FilePath2 "./èè/"
+#define  FilePath3 "./<EFBFBD><EFBFBD><EFBFBD><EFBFBD>/"
+#define  FilePath4 "./<EFBFBD>ʴ<EFBFBD>/"
+//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD> 
+QSqlDatabase database;
+if (QSqlDatabase::contains("qt_sql_default_connection"))
+{
+    database = QSqlDatabase::database("qt_sql_default_connection");
+}
+else
+{
+    database = QSqlDatabase::addDatabase("QSQLITE");
+    database.setDatabaseName("MyDataBase.db");
+}
+//<2F><><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD> 
+if (!database.open())
+{
+    qDebug() << "Error: Failed to connect database." << database.lastError();
+}
+else
+{
+    // do something
+}
+//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+QSqlQuery sql_query;
+//pets<74><73>
+QString create_sql = "create table Pets (id int primary key, type varchar(10), name varchar(30),knowledge varchar(1000000), link varchar(50))";
+sql_query.prepare(create_sql);
+if(!sql_query.exec())
+{
+    qDebug() << "Error: Fail to create table." << sql_query.lastError();
+}
+else
+{
+    qDebug() << "Table created!";
+}
+//feedingKnowledge<67><65>
+QString create_sql = "create table Feedingnowledge (id int primary key, type varchar(10), knowledge varchar(200), link varchar(50))";
+sql_query.prepare(create_sql);
+if(!sql_query.exec())
+{
+    qDebug() << "Error: Fail to create table." << sql_query.lastError();
+}
+else
+{
+    qDebug() << "Table created!";
+}
+//PetRecord<72><64>
+QString create_sql = "create table PetRecord (id int primary key, date varchar(20), time varchar(20), type varchar(20), details varchar(100))";
+sql_query.prepare(create_sql);
+if(!sql_query.exec())
+{
+    qDebug() << "Error: Fail to create table." << sql_query.lastError();
+}
+else
+{
+    qDebug() << "Table created!";
+}
+//Favorites
+QString create_sql = "create table Favorites (id int primary key, for_id int, link varchar(50))";
+sql_query.prepare(create_sql);
+if(!sql_query.exec())
+{
+    qDebug() << "Error: Fail to create table." << sql_query.lastError();
+}
+else
+{
+    qDebug() << "Table created!";
+}
+//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+   
+int i = 0;
+int filesize = 0;  
+DIR *dir = NULL;
+FILE *fin;
+char a[1000000];
+struct dirent *entry;  
+
+QString insert_sql = "insert into Pets values (?, ?, ?, ?, ?)";
+int id = 1;
+if((dir = opendir(FilePath1))==NULL)  
+{  
+	printf("opendir failed!");  
+	return -1;  
+}
+else  
+{  
+	while(entry=readdir(dir))  
+	{  
+		i++;
+		if(i!=1&&1!=2){
+			fin = fopen(entry->d_name,"r");
+			if(fscanf(fin,"%s",a)!=EOF){
+				sql_query.prepare(insert_sql);
+				sql_query.addBindValue(id);
+				sql_query.addBindValue("dog");
+				sql_query.addBindValue(entry->d_name);
+				sql_query.addBindValue(a);
+				id++;
+				if(!sql_query.exec())
+				{
+					qDebug() << sql_query.lastError();
+				}
+			}
+		}
+	}  
+	closedir(dir);    
+}  
+if((dir = opendir(FilePath2))==NULL)  
+{  
+	printf("opendir failed!");  
+	return -1;  
+}
+else  
+{  
+	while(entry=readdir(dir))  
+	{  
+		i++;
+		if(i!=1&&1!=2){
+			fin = fopen(entry->d_name,"r");
+			if(fscanf(fin,"%s",a)!=EOF){
+				sql_query.prepare(insert_sql);
+				sql_query.addBindValue(id);
+				sql_query.addBindValue("cat");
+				sql_query.addBindValue(entry->d_name);
+				sql_query.addBindValue(a);
+				id++;
+				if(!sql_query.exec())
+				{
+					qDebug() << sql_query.lastError();
+				}
+			}
+		}
+	}  
+	closedir(dir);    
+}
+if((dir = opendir(FilePath3))==NULL)  
+{  
+	printf("opendir failed!");  
+	return -1;  
+}
+else  
+{  
+	while(entry=readdir(dir))  
+	{  
+		i++;
+		if(i!=1&&1!=2){
+			fin = fopen(entry->d_name,"r");
+			if(fscanf(fin,"%s",a)!=EOF){
+				sql_query.prepare(insert_sql);
+				sql_query.addBindValue(id);
+				sql_query.addBindValue("else");
+				sql_query.addBindValue(entry->d_name);
+				sql_query.addBindValue(a);
+				id++;
+				if(!sql_query.exec())
+				{
+					qDebug() << sql_query.lastError();
+				}
+			}
+		}
+	}  
+	closedir(dir);    
+}
+
+QString insert_sql = "insert into Feedingnowledge values (?, ?, ?, ?)";
+id = 1;
+if((dir = opendir(FilePath4))==NULL)  
+{  
+	printf("opendir failed!");  
+	return -1;  
+}
+else  
+{  
+	while(entry=readdir(dir))  
+	{  
+		i++;
+		if(i!=1&&1!=2){
+			fin = fopen(entry->d_name,"r");
+			if(fscanf(fin,"%s",a)!=EOF){
+				sql_query.prepare(insert_sql);
+				sql_query.addBindValue(id);
+				sql_query.addBindValue(entry->d_name);
+				sql_query.addBindValue(a);
+				id++;
+				if(!sql_query.exec())
+				{
+					qDebug() << sql_query.lastError();
+				}
+			}
+		}
+	}  
+	closedir(dir);    
+}
+// 
+
+
+
+*/
+//<2F>ر<EFBFBD><D8B1><EFBFBD><EFBFBD>ݿ<EFBFBD> 
+database.close();