数据库编码 表编码 ide编码 必须一致，即可解决问题
场景：把这些数据导入数据库，并且得到城市名称拼音的首字母
从excel中导入数据到mysql，使用了jxl这个库
使用了pinyin4这个库，但是发现有bug
import java.io.UnsupportedEncodingException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
public class Db {
static Connection connection = null;
static Statement statement = null;
public static Connection getCon() {
try {
Class.forName("com.mysql.jdbc.Driver");
String url = "jdbc:mysql://localhost/my?characterEncoding=UTF-8";
String uname = "root";
String pwd = "root";
connection = DriverManager.getConnection(url, uname, pwd);
statement = connection.createStatement();
} catch (ClassNotFoundException e) {
return null;
} catch (SQLException e) {
return null;
}
return connection;
}
public static void cloRes(Connection connection, Statement statement) {
if (statement != null) {
try {
statement.close();
} catch (SQLException e) {
e.printStackTrace();
}
statement = null;
}
if (connection != null) {
try {
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
connection = null;
}
}
public void add(String cityName, String cityPin) {
String sql =
"insert city (cityName,cityPin) values (‘" + cityName + "‘,‘" + cityPin + "‘)";
System.out.println(sql);
try {
statement.executeUpdate(sql);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
import net.sourceforge.pinyin4j.PinyinHelper;
public class Input {
public static void main(String[] args) {
Db.getCon();
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测试了下面代码 输出sing 估计这个库有问题
String[] s2 = PinyinHelper.toTongyongPinyinStringArray("兴城".charAt(0));
System.out.println(s2[0]);
-------------------------------------------------------------------------------------------------------------------------------------------
File file = new File("city.xls");
Workbook workbook;
List<String> cities = new ArrayList<String>();
char[] cityPin = new char[700];
try {
workbook = Workbook.getWorkbook(file);
Sheet sheet = workbook.getSheet(0);
Cell[] cell = sheet.getColumn(2);
for (int i = 0; i < cell.length; i++) {
cities.add(cell[i].getContents());
}
for (int i = 0; i < cities.size(); i++) {
char cs = cities.get(i).charAt(0);
String[] s = PinyinHelper.toTongyongPinyinStringArray(cs);
cityPin[i] = s[0].charAt(0);
System.out.println(cityPin[i]);
}
} catch (BiffException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
for (int i = 0; i < cities.size(); i++) {
new Db().add(cities.get(i),String.valueOf(cityPin[i]));
}
Db.cloRes( Db.connection,Db.statement);
}
}