Java 将数据插入数据库-org.h2.jdbc.JdbcSQLException:列计数不匹配;SQL语句:
我一直在尝试将值保存到一个名为“CLIENT”的数据库中 数据库是通过以下代码创建的:Java 将数据插入数据库-org.h2.jdbc.JdbcSQLException:列计数不匹配;SQL语句:,java,database,h2,Java,Database,H2,我一直在尝试将值保存到一个名为“CLIENT”的数据库中 数据库是通过以下代码创建的: package Database; //STEP 1. Import required packages import java.sql.*; public class JDBCExampleCreateTables { // JDBC driver name and database URL private static String JDBC_DRIVER = "org.h2.Driv
package Database;
//STEP 1. Import required packages
import java.sql.*;
public class JDBCExampleCreateTables {
// JDBC driver name and database URL
private static String JDBC_DRIVER = "org.h2.Driver";
private static String DB_URL = "jdbc:h2:file:C:/WAKILI/WAKILIdb";
// Database credentials
private static String USER = "sa";
private static String PASS = "";
public static void main (String[] args) {
Connection conn = null;
Statement stmt = null;
try {
//STEP 2: Register JDBC driver
Class.forName(JDBC_DRIVER);
//STEP 3: Open a connection
System.out.println("Connecting to a selected database...");
conn = DriverManager.getConnection(DB_URL, USER, PASS);
System.out.println("Connected database successfully...");
//STEP 4: Execute a query
System.out.println("Creating table in given database...");
stmt = conn.createStatement();
String sql = "CREATE TABLE CLIENT " +
"(ID INT UNSIGNED NOT NULL AUTO_INCREMENT, " +
" fullNames VARCHAR(255), " +
" iDNumber VARCHAR(255), " +
" pINNumber VARCHAR(255), " +
" passportNumber VARCHAR(255), " +
" postOfficeBoxNumber VARCHAR(255), " +
" postalCode VARCHAR(255), " +
" telephoneNumberLandline VARCHAR(255), " +
" telephoneNumberMobile VARCHAR(255), " +
" CARD VARCHAR(255)) ";
stmt.executeUpdate(sql);
System.out.println("Created table in given database...");
} catch (SQLException se) {
//Handle errors for JDBC
se.printStackTrace();
} catch (Exception e) {
// Handle errors for Class.forName
e.printStackTrace();
} finally {
// finally block used to close resources
try {
if (stmt!=null)
conn.close();
} catch(SQLException se) {
} // do nothing
try {
if (conn!=null)
conn.close();
} catch (SQLException se) {
se.printStackTrace();
} // end finally try
} // end try
System.out.println("Goodbye!");
} // end main
} // end
package Database;
//STEP 1. Import required packages
import java.sql.*;
public class JDBCExampleCreateTables {
// JDBC driver name and database URL
private static String JDBC_DRIVER = "org.h2.Driver";
private static String DB_URL = "jdbc:h2:file:C:/WAKILI/WAKILIdb";
// Database credentials
private static String USER = "sa";
private static String PASS = "";
public static void main (String[] args) {
Connection conn = null;
Statement stmt = null;
try {
//STEP 2: Register JDBC driver
Class.forName(JDBC_DRIVER);
//STEP 3: Open a connection
System.out.println("Connecting to a selected database...");
conn = DriverManager.getConnection(DB_URL, USER, PASS);
System.out.println("Connected database successfully...");
//STEP 4: Execute a query
System.out.println("Creating table in given database...");
stmt = conn.createStatement();
String sql = "CREATE TABLE CLIENT " +
"(ID INT UNSIGNED NOT NULL AUTO_INCREMENT, " +
" fullNames VARCHAR(255), " +
" iDNumber VARCHAR(255), " +
" pINNumber VARCHAR(255), " +
" passportNumber VARCHAR(255), " +
" postOfficeBoxNumber VARCHAR(255), " +
" postalCode VARCHAR(255), " +
" telephoneNumberLandline VARCHAR(255), " +
" telephoneNumberMobile VARCHAR(255)) ";
stmt.executeUpdate(sql);
System.out.println("Created table in given database...");
} catch (SQLException se) {
//Handle errors for JDBC
se.printStackTrace();
} catch (Exception e) {
// Handle errors for Class.forName
e.printStackTrace();
} finally {
// finally block used to close resources
try {
if (stmt!=null)
conn.close();
} catch(SQLException se) {
} // do nothing
try {
if (conn!=null)
conn.close();
} catch (SQLException se) {
se.printStackTrace();
} // end finally try
} // end try
System.out.println("Goodbye!");
} // end main
} // end
我试图保存到数据库中的类是:
package Database;
//STEP 1. Import required packages
import java.sql.*;
public class JDBCExampleInsertRecords {
public final String values;
public final String table;
public JDBCExampleInsertRecords (String values, String table)
{
this.values = values;
this.table = table;
}
// JDBC driver name and database URL
private static String JDBC_DRIVER = "org.h2.Driver";
private static String DB_URL = "jdbc:h2:file:C:/WAKILI/WAKILIdb";
// Database credentials
private static String USER = "sa";
private static String PASS = "";
public static void main () {
Connection conn = null;
Statement stmt = null;
try {
//STEP 2: Register JDBC driver
Class.forName(getJDBC_DRIVER());
//STEP 3: Open a connection
System.out.println("Connecting to a selected database...");
conn = DriverManager.getConnection(getDB_URL(), getUSER(), getPASS());
System.out.println("Connected database successfully...");
//STEP 4: Execute a query
System.out.println("Inserting records into the table...");
stmt = conn.createStatement();
String sql = "INSERT INTO CLIENT " + "VALUES ((values))";
stmt.executeUpdate(sql);
System.out.println("Inserted records into the table...");
} catch (SQLException se) {
//Handle errors for JDBC
se.printStackTrace();
} catch (Exception e) {
//Handle errors for Class.forName
e.printStackTrace();
} finally {
//finally block used to close resources
try {
if (stmt != null)
conn.close();
} catch (SQLException se) {
} // do nothing
try {
if (conn!=null)
conn.close();
} catch (SQLException se) {
se.printStackTrace();
} //end finally try
} //end try
System.out.println("Goodbye!");
} //end main
/**
* @return the JDBC_DRIVER
*/
public static String getJDBC_DRIVER() {
return JDBC_DRIVER;
}
/**
* @param aJDBC_DRIVER the JDBC_DRIVER to set
*/
public static void setJDBC_DRIVER(String aJDBC_DRIVER) {
JDBC_DRIVER = aJDBC_DRIVER;
}
/**
* @return the DB_URL
*/
public static String getDB_URL() {
return DB_URL;
}
/**
* @param aDB_URL the DB_URL to set
*/
public static void setDB_URL(String aDB_URL) {
DB_URL = aDB_URL;
}
/**
* @return the USER
*/
public static String getUSER() {
return USER;
}
/**
* @param aUSER the USER to set
*/
public static void setUSER(String aUSER) {
USER = aUSER;
}
/**
* @return the PASS
*/
public static String getPASS() {
return PASS;
}
/**
* @param aPASS the PASS to set
*/
public static void setPASS(String aPASS) {
PASS = aPASS;
}
} //end
package Database;
//STEP 1. Import required packages
import java.sql.*;
public class JDBCExampleInsertRecords {
public static String values;
public final String table;
public JDBCExampleInsertRecords (String values, String table)
{
this.values = values;
this.table = table;
}
// JDBC driver name and database URL
private static String JDBC_DRIVER = "org.h2.Driver";
private static String DB_URL = "jdbc:h2:file:C:/WAKILI/WAKILIdb";
// Database credentials
private static String USER = "sa";
private static String PASS = "";
public static void main () {
Connection conn = null;
Statement stmt = null;
try {
//STEP 2: Register JDBC driver
Class.forName(getJDBC_DRIVER());
//STEP 3: Open a connection
System.out.println("Connecting to a selected database...");
conn = DriverManager.getConnection(getDB_URL(), getUSER(), getPASS());
System.out.println("Connected database successfully...");
//STEP 4: Execute a query
System.out.println("Inserting records into the table...");
stmt = conn.createStatement();
String sql = "INSERT INTO CLIENT VALUES (NULL, " + (values) + ")";
stmt.executeUpdate(sql);
System.out.println("Inserted records into the table...");
} catch (SQLException se) {
//Handle errors for JDBC
se.printStackTrace();
} catch (Exception e) {
//Handle errors for Class.forName
e.printStackTrace();
} finally {
//finally block used to close resources
try {
if (stmt != null)
conn.close();
} catch (SQLException se) {
} // do nothing
try {
if (conn!=null)
conn.close();
} catch (SQLException se) {
se.printStackTrace();
} //end finally try
} //end try
System.out.println("Goodbye!");
} //end main
/**
* @return the JDBC_DRIVER
*/
public static String getJDBC_DRIVER() {
return JDBC_DRIVER;
}
/**
* @param aJDBC_DRIVER the JDBC_DRIVER to set
*/
public static void setJDBC_DRIVER(String aJDBC_DRIVER) {
JDBC_DRIVER = aJDBC_DRIVER;
}
/**
* @return the DB_URL
*/
public static String getDB_URL() {
return DB_URL;
}
/**
* @param aDB_URL the DB_URL to set
*/
public static void setDB_URL(String aDB_URL) {
DB_URL = aDB_URL;
}
/**
* @return the USER
*/
public static String getUSER() {
return USER;
}
/**
* @param aUSER the USER to set
*/
public static void setUSER(String aUSER) {
USER = aUSER;
}
/**
* @return the PASS
*/
public static String getPASS() {
return PASS;
}
/**
* @param aPASS the PASS to set
*/
public static void setPASS(String aPASS) {
PASS = aPASS;
}
} //end
获取值的代码位于名为“AddNewClient”的类中,如下所示:
public String getValues () {
String fullNames = fullNamesJTextField.getText();
String iDNumber = identificationNumberJTextField.getText();
String pINNumber = pINNumberJTextField.getText();
String passportNumber = passportNumberJTextField.getText();
String postOfficeBoxNumber = postOfficeBoxNumberJTextField.getText();
String postalCode = postalCodeJTextField.getText();
String telephoneNumberLandline = telephoneNumberLandlineJTextField.getText();
String telephoneNumberMobile = telephoneNumberMobileJTextField.getText();
List<String> client = new ArrayList<String>();
client.add(fullNames);
client.add(iDNumber);
client.add(pINNumber);
client.add(passportNumber);
client.add(postOfficeBoxNumber);
client.add(postalCode);
client.add(telephoneNumberLandline);
client.add(telephoneNumberMobile);
StringBuilder builder = new StringBuilder();
String listStringClient = "";
for (String s : client)
{
listStringClient += "NULL" + "'" + s + "'" + ",";
}
return listStringClient;
}
public String getValues () {
String fullNames = fullNamesJTextField.getText();
String iDNumber = identificationNumberJTextField.getText();
String pINNumber = pINNumberJTextField.getText();
String passportNumber = passportNumberJTextField.getText();
String postOfficeBoxNumber = postOfficeBoxNumberJTextField.getText();
String postalCode = postalCodeJTextField.getText();
String telephoneNumberLandline = telephoneNumberLandlineJTextField.getText();
String telephoneNumberMobile = telephoneNumberMobileJTextField.getText();
List<String> client = new ArrayList<String>();
client.add(fullNames);
client.add(iDNumber);
client.add(pINNumber);
client.add(passportNumber);
client.add(postOfficeBoxNumber);
client.add(postalCode);
client.add(telephoneNumberLandline);
client.add(telephoneNumberMobile);
Iterator<String> iter = client.iterator();
StringBuilder sb = new StringBuilder();
while (iter.hasNext()) {
sb.append("'").append(iter.next()).append("'");
if (iter.hasNext())
sb.append(",");
}
return sb.toString();
}
在过去的两天里,我一直在做这件事,但没有取得任何成功。我会非常非常非常感谢任何来救我的人。谢谢。您的声明中没有传递任何值。以下代码是静态的,没有参数:
INSERT INTO CLIENT " + "VALUES ((values))
这是一个无意义的SQL命令:插入到客户机值((值))。你想要快车
String sql = "INSERT INTO CLIENT VALUES " + getValues()";
我更喜欢使用PreparedStatement,因为它是安全的,并且可以避开危险字符:
String sql = "INSERT INTO PRODUCT VALUES(?,?,?,?,?,?,?,?,?,?)";
PreparedStatement prest = con.prepareStatement(sql);
prest.setString(1, "asdf");
prest.setInt(2, 2009);
// etc
int count = prest.executeUpdate();
在语句中不传递任何值。以下代码是静态的,没有参数:
INSERT INTO CLIENT " + "VALUES ((values))
这是一个无意义的SQL命令:插入到客户机值((值))。你想要快车
String sql = "INSERT INTO CLIENT VALUES " + getValues()";
我更喜欢使用PreparedStatement,因为它是安全的,并且可以避开危险字符:
String sql = "INSERT INTO PRODUCT VALUES(?,?,?,?,?,?,?,?,?,?)";
PreparedStatement prest = con.prepareStatement(sql);
prest.setString(1, "asdf");
prest.setInt(2, 2009);
// etc
int count = prest.executeUpdate();
您忘记提到
卡
列的值。如果您不想在那里设置任何值,只需传递'
您的for
循环应该是这样的
for (String s : client)
{
listStringClient += "NULL" + "'" + s + "'" + ",";//GIVES YOU ERROR BECAUSE AT THE END OF
} // FOR LOOP IT HAS , IN THE END OF STRING.
listStringClient+="' '";//This is for CARD COLUMN.
您忘记提到
卡
列的值。如果您不想在那里设置任何值,只需传递'
您的for
循环应该是这样的
for (String s : client)
{
listStringClient += "NULL" + "'" + s + "'" + ",";//GIVES YOU ERROR BECAUSE AT THE END OF
} // FOR LOOP IT HAS , IN THE END OF STRING.
listStringClient+="' '";//This is for CARD COLUMN.
我认为不是:
String sql = "INSERT INTO CLIENT " + "VALUES ((values))";
你想要的是:
String sql = "INSERT INTO CLIENT " + "VALUES ("+getValues()+")";
另外,getValues
的实现有点奇怪:
for (String s : client)
{
listStringClient += "NULL" + "'" + s + "'" + ",";
}
可能是:
for (String s : client)
{
listStringClient += "'" + s + "',"
}
listStringClient += "NULL";
我认为不是:
String sql = "INSERT INTO CLIENT " + "VALUES ((values))";
你想要的是:
String sql = "INSERT INTO CLIENT " + "VALUES ("+getValues()+")";
另外,getValues
的实现有点奇怪:
for (String s : client)
{
listStringClient += "NULL" + "'" + s + "'" + ",";
}
可能是:
for (String s : client)
{
listStringClient += "'" + s + "',"
}
listStringClient += "NULL";
其中一个问题是:
String sql = "INSERT INTO CLIENT " + "VALUES ((values))";
stmt.executeUpdate(sql);
值应该是getValues()方法,而不仅仅是字符串,所以
String sql = "INSERT INTO CLIENT VALUES (" + getValues() + ")";
此外,由于未指定哪些列,因此假定所有列都输入到值中。若您的SQL数据库中并没有默认值,并且该值不能为NULL,那个么您将遇到问题
最后,这有点奇怪:
for (String s : client)
{
listStringClient += "NULL" + "'" + s + "'" + ",";
}
您需要的是值,而不是“NULL”,所以应该是
for (String s : client)
{
listStringClient += "'" + s + "'" + ",";
}
最后,按照您的操作方式,在结尾处会有一个额外的逗号(例如:“value1”、“value2”、“value3”)
剪辑最后一个逗号:
return listStringClient.substring(0, listStringClient.size() - 1);
当然,有一种更好的方法可以在没有多余逗号的情况下执行for循环
结束结束时,sql字符串应如下所示:
"INSERT INTO CLIENT VALUES('value1','value2','value3','value4','value5','value6')"
执行System.out.println(sql)并查看您试图执行的字符串语句是什么。然后您将看到错误
这里有一个更好的方法来构建您的值字符串,而不存在逗号问题:
Iterator<String> iter = client.iterator();
StringBuilder sb = new StringBuilder();
while (iter.hasNext()) {
sb.append("'").append(iter.next()).append("'");
if (iter.hasNext())
sb.append(",");
}
return sb.toString();
Iterator iter=client.Iterator();
StringBuilder sb=新的StringBuilder();
while(iter.hasNext()){
sb.append(“”).append(iter.next()).append(“”);
if(iter.hasNext())
某人加上(“,”);
}
使某人返回字符串();
这就是问题所在:
String sql = "INSERT INTO CLIENT " + "VALUES ((values))";
stmt.executeUpdate(sql);
值应该是getValues()方法,而不仅仅是字符串,所以
String sql = "INSERT INTO CLIENT VALUES (" + getValues() + ")";
此外,由于未指定哪些列,因此假定所有列都输入到值中。若您的SQL数据库中并没有默认值,并且该值不能为NULL,那个么您将遇到问题
最后,这有点奇怪:
for (String s : client)
{
listStringClient += "NULL" + "'" + s + "'" + ",";
}
您需要的是值,而不是“NULL”,所以应该是
for (String s : client)
{
listStringClient += "'" + s + "'" + ",";
}
最后,按照您的操作方式,在结尾处会有一个额外的逗号(例如:“value1”、“value2”、“value3”)
剪辑最后一个逗号:
return listStringClient.substring(0, listStringClient.size() - 1);
当然,有一种更好的方法可以在没有多余逗号的情况下执行for循环
结束结束时,sql字符串应如下所示:
"INSERT INTO CLIENT VALUES('value1','value2','value3','value4','value5','value6')"
执行System.out.println(sql)并查看您试图执行的字符串语句是什么。然后您将看到错误
这里有一个更好的方法来构建您的值字符串,而不存在逗号问题:
Iterator<String> iter = client.iterator();
StringBuilder sb = new StringBuilder();
while (iter.hasNext()) {
sb.append("'").append(iter.next()).append("'");
if (iter.hasNext())
sb.append(",");
}
return sb.toString();
Iterator iter=client.Iterator();
StringBuilder sb=新的StringBuilder();
while(iter.hasNext()){
sb.append(“”).append(iter.next()).append(“”);
if(iter.hasNext())
某人加上(“,”);
}
使某人返回字符串();
我非常感谢你们给了我如此惊人的答案。我提出了各种各样的想法,并想出了解决我问题的办法
我对上述问题的工作答案来自Leos Literak、abmitchell、Vimal Bera和Grisha的答案
数据库是通过以下代码创建的:
package Database;
//STEP 1. Import required packages
import java.sql.*;
public class JDBCExampleCreateTables {
// JDBC driver name and database URL
private static String JDBC_DRIVER = "org.h2.Driver";
private static String DB_URL = "jdbc:h2:file:C:/WAKILI/WAKILIdb";
// Database credentials
private static String USER = "sa";
private static String PASS = "";
public static void main (String[] args) {
Connection conn = null;
Statement stmt = null;
try {
//STEP 2: Register JDBC driver
Class.forName(JDBC_DRIVER);
//STEP 3: Open a connection
System.out.println("Connecting to a selected database...");
conn = DriverManager.getConnection(DB_URL, USER, PASS);
System.out.println("Connected database successfully...");
//STEP 4: Execute a query
System.out.println("Creating table in given database...");
stmt = conn.createStatement();
String sql = "CREATE TABLE CLIENT " +
"(ID INT UNSIGNED NOT NULL AUTO_INCREMENT, " +
" fullNames VARCHAR(255), " +
" iDNumber VARCHAR(255), " +
" pINNumber VARCHAR(255), " +
" passportNumber VARCHAR(255), " +
" postOfficeBoxNumber VARCHAR(255), " +
" postalCode VARCHAR(255), " +
" telephoneNumberLandline VARCHAR(255), " +
" telephoneNumberMobile VARCHAR(255), " +
" CARD VARCHAR(255)) ";
stmt.executeUpdate(sql);
System.out.println("Created table in given database...");
} catch (SQLException se) {
//Handle errors for JDBC
se.printStackTrace();
} catch (Exception e) {
// Handle errors for Class.forName
e.printStackTrace();
} finally {
// finally block used to close resources
try {
if (stmt!=null)
conn.close();
} catch(SQLException se) {
} // do nothing
try {
if (conn!=null)
conn.close();
} catch (SQLException se) {
se.printStackTrace();
} // end finally try
} // end try
System.out.println("Goodbye!");
} // end main
} // end
package Database;
//STEP 1. Import required packages
import java.sql.*;
public class JDBCExampleCreateTables {
// JDBC driver name and database URL
private static String JDBC_DRIVER = "org.h2.Driver";
private static String DB_URL = "jdbc:h2:file:C:/WAKILI/WAKILIdb";
// Database credentials
private static String USER = "sa";
private static String PASS = "";
public static void main (String[] args) {
Connection conn = null;
Statement stmt = null;
try {
//STEP 2: Register JDBC driver
Class.forName(JDBC_DRIVER);
//STEP 3: Open a connection
System.out.println("Connecting to a selected database...");
conn = DriverManager.getConnection(DB_URL, USER, PASS);
System.out.println("Connected database successfully...");
//STEP 4: Execute a query
System.out.println("Creating table in given database...");
stmt = conn.createStatement();
String sql = "CREATE TABLE CLIENT " +
"(ID INT UNSIGNED NOT NULL AUTO_INCREMENT, " +
" fullNames VARCHAR(255), " +
" iDNumber VARCHAR(255), " +
" pINNumber VARCHAR(255), " +
" passportNumber VARCHAR(255), " +
" postOfficeBoxNumber VARCHAR(255), " +
" postalCode VARCHAR(255), " +
" telephoneNumberLandline VARCHAR(255), " +
" telephoneNumberMobile VARCHAR(255)) ";
stmt.executeUpdate(sql);
System.out.println("Created table in given database...");
} catch (SQLException se) {
//Handle errors for JDBC
se.printStackTrace();
} catch (Exception e) {
// Handle errors for Class.forName
e.printStackTrace();
} finally {
// finally block used to close resources
try {
if (stmt!=null)
conn.close();
} catch(SQLException se) {
} // do nothing
try {
if (conn!=null)
conn.close();
} catch (SQLException se) {
se.printStackTrace();
} // end finally try
} // end try
System.out.println("Goodbye!");
} // end main
} // end
保存到数据库中的类是:
package Database;
//STEP 1. Import required packages
import java.sql.*;
public class JDBCExampleInsertRecords {
public final String values;
public final String table;
public JDBCExampleInsertRecords (String values, String table)
{
this.values = values;
this.table = table;
}
// JDBC driver name and database URL
private static String JDBC_DRIVER = "org.h2.Driver";
private static String DB_URL = "jdbc:h2:file:C:/WAKILI/WAKILIdb";
// Database credentials
private static String USER = "sa";
private static String PASS = "";
public static void main () {
Connection conn = null;
Statement stmt = null;
try {
//STEP 2: Register JDBC driver
Class.forName(getJDBC_DRIVER());
//STEP 3: Open a connection
System.out.println("Connecting to a selected database...");
conn = DriverManager.getConnection(getDB_URL(), getUSER(), getPASS());
System.out.println("Connected database successfully...");
//STEP 4: Execute a query
System.out.println("Inserting records into the table...");
stmt = conn.createStatement();
String sql = "INSERT INTO CLIENT " + "VALUES ((values))";
stmt.executeUpdate(sql);
System.out.println("Inserted records into the table...");
} catch (SQLException se) {
//Handle errors for JDBC
se.printStackTrace();
} catch (Exception e) {
//Handle errors for Class.forName
e.printStackTrace();
} finally {
//finally block used to close resources
try {
if (stmt != null)
conn.close();
} catch (SQLException se) {
} // do nothing
try {
if (conn!=null)
conn.close();
} catch (SQLException se) {
se.printStackTrace();
} //end finally try
} //end try
System.out.println("Goodbye!");
} //end main
/**
* @return the JDBC_DRIVER
*/
public static String getJDBC_DRIVER() {
return JDBC_DRIVER;
}
/**
* @param aJDBC_DRIVER the JDBC_DRIVER to set
*/
public static void setJDBC_DRIVER(String aJDBC_DRIVER) {
JDBC_DRIVER = aJDBC_DRIVER;
}
/**
* @return the DB_URL
*/
public static String getDB_URL() {
return DB_URL;
}
/**
* @param aDB_URL the DB_URL to set
*/
public static void setDB_URL(String aDB_URL) {
DB_URL = aDB_URL;
}
/**
* @return the USER
*/
public static String getUSER() {
return USER;
}
/**
* @param aUSER the USER to set
*/
public static void setUSER(String aUSER) {
USER = aUSER;
}
/**
* @return the PASS
*/
public static String getPASS() {
return PASS;
}
/**
* @param aPASS the PASS to set
*/
public static void setPASS(String aPASS) {
PASS = aPASS;
}
} //end
package Database;
//STEP 1. Import required packages
import java.sql.*;
public class JDBCExampleInsertRecords {
public static String values;
public final String table;
public JDBCExampleInsertRecords (String values, String table)
{
this.values = values;
this.table = table;
}
// JDBC driver name and database URL
private static String JDBC_DRIVER = "org.h2.Driver";
private static String DB_URL = "jdbc:h2:file:C:/WAKILI/WAKILIdb";
// Database credentials
private static String USER = "sa";
private static String PASS = "";
public static void main () {
Connection conn = null;
Statement stmt = null;
try {
//STEP 2: Register JDBC driver
Class.forName(getJDBC_DRIVER());
//STEP 3: Open a connection
System.out.println("Connecting to a selected database...");
conn = DriverManager.getConnection(getDB_URL(), getUSER(), getPASS());
System.out.println("Connected database successfully...");
//STEP 4: Execute a query
System.out.println("Inserting records into the table...");
stmt = conn.createStatement();
String sql = "INSERT INTO CLIENT VALUES (NULL, " + (values) + ")";
stmt.executeUpdate(sql);
System.out.println("Inserted records into the table...");
} catch (SQLException se) {
//Handle errors for JDBC
se.printStackTrace();
} catch (Exception e) {
//Handle errors for Class.forName
e.printStackTrace();
} finally {
//finally block used to close resources
try {
if (stmt != null)
conn.close();
} catch (SQLException se) {
} // do nothing
try {
if (conn!=null)
conn.close();
} catch (SQLException se) {
se.printStackTrace();
} //end finally try
} //end try
System.out.println("Goodbye!");
} //end main
/**
* @return the JDBC_DRIVER
*/
public static String getJDBC_DRIVER() {
return JDBC_DRIVER;
}
/**
* @param aJDBC_DRIVER the JDBC_DRIVER to set
*/
public static void setJDBC_DRIVER(String aJDBC_DRIVER) {
JDBC_DRIVER = aJDBC_DRIVER;
}
/**
* @return the DB_URL
*/
public static String getDB_URL() {
return DB_URL;
}
/**
* @param aDB_URL the DB_URL to set
*/
public static void setDB_URL(String aDB_URL) {
DB_URL = aDB_URL;
}
/**
* @return the USER
*/
public static String getUSER() {
return USER;
}
/**
* @param aUSER the USER to set
*/
public static void setUSER(String aUSER) {
USER = aUSER;
}
/**
* @return the PASS
*/
public static String getPASS() {
return PASS;
}
/**
* @param aPASS the PASS to set
*/
public static void setPASS(String aPASS) {
PASS = aPASS;
}
} //end
获取值的代码位于名为“AddNewClient”的类中,如下所示:
public String getValues () {
String fullNames = fullNamesJTextField.getText();
String iDNumber = identificationNumberJTextField.getText();
String pINNumber = pINNumberJTextField.getText();
String passportNumber = passportNumberJTextField.getText();
String postOfficeBoxNumber = postOfficeBoxNumberJTextField.getText();
String postalCode = postalCodeJTextField.getText();
String telephoneNumberLandline = telephoneNumberLandlineJTextField.getText();
String telephoneNumberMobile = telephoneNumberMobileJTextField.getText();
List<String> client = new ArrayList<String>();
client.add(fullNames);
client.add(iDNumber);
client.add(pINNumber);
client.add(passportNumber);
client.add(postOfficeBoxNumber);
client.add(postalCode);
client.add(telephoneNumberLandline);
client.add(telephoneNumberMobile);
StringBuilder builder = new StringBuilder();
String listStringClient = "";
for (String s : client)
{
listStringClient += "NULL" + "'" + s + "'" + ",";
}
return listStringClient;
}
public String getValues () {
String fullNames = fullNamesJTextField.getText();
String iDNumber = identificationNumberJTextField.getText();
String pINNumber = pINNumberJTextField.getText();
String passportNumber = passportNumberJTextField.getText();
String postOfficeBoxNumber = postOfficeBoxNumberJTextField.getText();
String postalCode = postalCodeJTextField.getText();
String telephoneNumberLandline = telephoneNumberLandlineJTextField.getText();
String telephoneNumberMobile = telephoneNumberMobileJTextField.getText();
List<String> client = new ArrayList<String>();
client.add(fullNames);
client.add(iDNumber);
client.add(pINNumber);
client.add(passportNumber);
client.add(postOfficeBoxNumber);
client.add(postalCode);
client.add(telephoneNumberLandline);
client.add(telephoneNumberMobile);
Iterator<String> iter = client.iterator();
StringBuilder sb = new StringBuilder();
while (iter.hasNext()) {
sb.append("'").append(iter.next()).append("'");
if (iter.hasNext())
sb.append(",");
}
return sb.toString();
}
publicstringgetvalues(){
字符串fullNames=fullNamesJTextField.getText();
字符串iDNumber=identificationNumberJTextField.getText();
字符串pINNumber=pINNumberJTextField.getText();
字符串passportNumber=passportNumberJTextField.getText();
字符串postOfficeBoxNumber=postOfficeBoxNumberJTextField.getText();
字符串postalCode=postalCodeJTextField.getText();
字符串telephoneNumberLandline=telephoneNumberLandlineJTextField.getText();
字符串telephoneNumberMobile=telephoneNumberMobileJTextField.getText();
List client=new ArrayList();
client.add(全名);
client.add(iDNumber);
client.add(pINNumber);
添加(护照号码);
client.add(邮局信箱号);
客户端。添加(postalCode);
client.add(电话号码landline);
client.add(电话号码移动);
迭代器iter=client.Iterator();
StringBuilder sb=新的StringBuilder();
while(iter.hasNext()){
sb.append(“”).append(iter.next()).append(“”);
if(iter.hasNext())
某人加上(“,”);
}
使某人返回字符串();
}
我非常感谢你们给了我如此惊人的答案。我提出了各种各样的想法,并想出了解决我问题的办法
我的工作