My needs are:
Import users = "some users in the database do not need to import:: the pinyin corresponding to the imported name without an account
Solution steps
How to solve null values in Excel
Excel Chinese conversion pinyin
Java Chinese conversion pinyin
The pinyin4j.jar package needs to be imported.
package www.yzq.com.tool;
import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;
public class HanToPin {
/**
* 测试main方法
* @param args
*/
public static void main(String[] args) {
System.out.println(ToFirstChar("汉字转换为拼音").toUpperCase()); //转为首字母大写
System.out.println(ToPinyin("汉字转换为拼音"));
}
/**
* 获取字符串拼音的第一个字母
* @param chinese
* @return
*/
public static String ToFirstChar(String chinese){
String pinyinStr = "";
char[] newChar = chinese.toCharArray(); //转为单个字符
HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
for (int i = 0; i < newChar.length; i++) {
if (newChar[i] > 128) {
try {
pinyinStr += PinyinHelper.toHanyuPinyinStringArray(newChar[i], defaultFormat)[0].charAt(0);
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
}else{
pinyinStr += newChar[i];
}
}
return pinyinStr;
}
/**
* 汉字转为拼音
* @param chinese
* @return
*/
public static String ToPinyin(String chinese){
String pinyinStr = "";
char[] newChar = chinese.toCharArray();
HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
for (int i = 0; i < newChar.length; i++) {
if (newChar[i] > 128) {
try {
pinyinStr += PinyinHelper.toHanyuPinyinStringArray(newChar[i], defaultFormat)[0];
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
}else{
pinyinStr += newChar[i];
}
}
return pinyinStr;
}
}
java connection excel output data
Need to import jxl.jar package
package www.yzq.com.tool;
import java.io.File;
import jxl.Sheet;
import jxl.Workbook;
public class ExcelImport {
public static void main(String[] args) {
ExcelImport excelImport = new ExcelImport();
excelImport.getAllByExcel("c://dfs.xls");
}
/**
* 查询指定目录中电子表格中所有的数据
*
* @param file
* 文件完整路径
* @return
*/
public static void getAllByExcel(String file) {
try {
Workbook rwb = Workbook.getWorkbook(new File(file));
Sheet rs = rwb.getSheet(0);// 或者rwb.getSheet(0)
int clos = rs.getColumns();// 得到所有的列
int rows = rs.getRows();// 得到所有的行
for (int i = 1; i < rows; i++) {
for (int j = 0; j < clos; j++) {
// 第一个是列数，第二个是行数
String id = rs.getCell(j++, i).getContents();// 默认最左边编号也算一列 所以这里得j++
String name = rs.getCell(j++, i).getContents();
String sex = rs.getCell(j++, i).getContents();
String num = rs.getCell(j, i).getContents();
System.out.println("id:" + id + " name:" + name + " sex:" + sex + " num:" + num);
}
}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
java connection database
Need to import the jar package
package www.yzq.com.tool;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
public class LinkSqlserver {
public static void main(String[] args) {
String user = "cczu";
String password = "****";
Connection conn;
Statement stmt;
ResultSet rs;
String url = "jdbc:sqlserver://192.168.1.99:1433;DatabaseName=QY_NTXC;";
String sql = "select * from t_user";
try {
// 连接数据库
conn = DriverManager.getConnection(url, user, password);
// 建立Statement对象
stmt = conn.createStatement();
// 执行数据库查询语句
rs = stmt.executeQuery(sql);
while (rs.next()) {
String id = rs.getString("LOGIN_NAME");
String name = rs.getString("NAME");
String score = rs.getString("EMAIL");
String sex = rs.getString("PHONE");
System.out.println("登录名： "+id+"昵称"+name+"邮箱 "+score+"电话"+sex);
}
if (rs != null) {
rs.close();
rs = null;
}
if (stmt != null) {
stmt.close();
stmt = null;
}
if (conn != null) {
conn.close();
conn = null;
}
} catch (SQLException e) {
e.printStackTrace();
System.out.println("数据库连接失败");
}
}
}
Build a relationship
Connect the above method to complete the connection