對(duì)數(shù)據(jù)庫(kù)進(jìn)行增刪改查?
創(chuàng)新互聯(lián)專注于企業(yè)營(yíng)銷型網(wǎng)站建設(shè)、網(wǎng)站重做改版、樂(lè)亭網(wǎng)站定制設(shè)計(jì)、自適應(yīng)品牌網(wǎng)站建設(shè)、H5開發(fā)、電子商務(wù)商城網(wǎng)站建設(shè)、集團(tuán)公司官網(wǎng)建設(shè)、成都外貿(mào)網(wǎng)站建設(shè)公司、高端網(wǎng)站制作、響應(yīng)式網(wǎng)頁(yè)設(shè)計(jì)等建站業(yè)務(wù),價(jià)格優(yōu)惠性價(jià)比高,為樂(lè)亭等各大城市提供網(wǎng)站開發(fā)制作服務(wù)。
以下是 sql server 2013+java.實(shí)現(xiàn)的是對(duì)MSC對(duì)象的增刪改查.
需要下載連接驅(qū)動(dòng)程序:com.microsoft.sqlserver.jdbc.SQLServerDriver
網(wǎng)上搜一下就行
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
class MSC
{
public String MscID;
public String MscName;
public String MscCompany;
public float MscLongitude;
public float MscLatitude;
public float MscAltitude;
public MSC(String MscID, String MscName, String MscCompany,
float MscLongitude, float MscLatitude,float MscAltitude){
this.MscID = MscID;
this.MscName = MscName;
this.MscCompany = MscCompany;
this.MscLongitude =MscLongitude;
this.MscLatitude = MscLatitude;
this.MscAltitude = MscAltitude;
}
}
public class sqlserverjdbc {
public Connection getConnection(){
String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver"; //加載JDBC驅(qū)動(dòng)
String dbURL = "jdbc:sqlserver://localhost:1433; DatabaseName=gsm"; //連接服務(wù)器和數(shù)據(jù)庫(kù)sample
String userName = "sa"; //默認(rèn)用戶名
String userPwd = "123"; //密碼
Connection dbConn = null;
try {
Class.forName(driverName);
dbConn =DriverManager.getConnection(dbURL, userName, userPwd);
} catch (Exception e) {
e.printStackTrace();
}
return dbConn;
}
public void printUserInfo(){
Connection con = getConnection();
Statement sta = null;
ResultSet rs = null;
System.out.println("打印表格MSC信息");
try {
sta = con.createStatement();
rs = sta.executeQuery("select * from MSC信息");
System.out.println("MscID\tMscName\tMscCompany\tMscLongitude\tMscLatitude\tMscAltitude");
while(rs.next()){
System.out.println(rs.getString("MscID")+"\t"+
rs.getString("MscName")+"\t"+
rs.getString("MscCompany")+"\t"+
rs.getFloat("MscLongitude")+"\t"+
rs.getFloat("MscLatitude")+"\t"+
rs.getFloat("MscAltitude"));
}
con.close();
sta.close();
rs.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("打印完成\n");
}
public void delete(String MscID){
Connection con = getConnection();
String sql = "delete from MSC信息 where MscID = " + MscID;
PreparedStatement pst;
System.out.println("刪除表格MSC信息中 ID = "+MscID+"的記錄");
try {
pst = con.prepareStatement(sql);
pst.execute();
pst.close();
con.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
System.out.println("記錄刪除失?。。?!");
}
System.out.println("記錄刪除成功?。?!\n");
}
public void insert(MSC msc){
Connection con = getConnection();
String sql = "insert into MSC信息 values(?,?,?,?,?,?)";
PreparedStatement pst;
System.out.println("插入一條記錄");
try {
pst = con.prepareStatement(sql);
pst.setString(1, msc.MscID);
pst.setString(2, msc.MscName);
pst.setString(3, msc.MscCompany);
pst.setFloat(4, msc.MscLongitude);
pst.setFloat(5, msc.MscLatitude);
pst.setFloat(6, msc.MscAltitude);
pst.execute();
pst.close();
con.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
System.out.println("插入失敗?。。?);
}
System.out.println("插入成功?。?!\n");
}
//更新MscID的MscName
public void updateMscName(String MscID, String MscName){
Connection con = getConnection();
String sql = "update MSC信息 set MscName = ? where MscID = ?";
PreparedStatement pst;
System.out.println("修改一條記錄");
try {
pst = con.prepareStatement(sql);
pst.setString(1, MscName);
pst.setString(2, MscID);
pst.execute();
pst.close();
con.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
System.out.println("修改失?。。。?);
}
System.out.println("修改成功?。。n");
}
public static void main(String args[]){
sqlserverjdbc sql = new sqlserverjdbc();
sql.printUserInfo();
sql.delete("1111");
sql.printUserInfo();
sql.updateMscName("5215", "聯(lián)想");
sql.printUserInfo();
sql.insert(new MSC("1111", "中興" ," 中興", (float)12.2, (float)3.4,(float)45.5));
sql.printUserInfo();
}
}
JAVA計(jì)算工人工資,參考例子如下:
import java.util.Scanner;
public class Demo00 {
//定義一個(gè)三維數(shù)組,用于記錄每個(gè)部門、分支、績(jī)效工資
private static final float[][][] SALARY_OF_PER_HOUR = {
{{10.75f,12.50f,14.50f},{11.75f,14.50f,17.50f}},
{{13.00f,16.00f,18.50f},{15.00f,18.50f,22.00f}},
{{16.75f,18.50f,20.50f},{19.25f,25.00f,30.00f}}
};
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
//輸入姓名
System.out.println("請(qǐng)輸入姓名:");
String name = sc.nextLine();
//輸入部門并驗(yàn)證
System.out.println("請(qǐng)輸入部門: A,B,C");
char dept = sc.nextLine().charAt(0);
if(dept'A'||dept'C')
{
System.out.println("輸入有誤,系統(tǒng)將退出");
System.exit(0);
}
//輸入分支機(jī)構(gòu)并驗(yàn)證
System.out.println("請(qǐng)輸入分支機(jī)構(gòu): 1,2");
char div = sc.nextLine().charAt(0);
if(div'1'||div'2')
{
System.out.println("輸入有誤,系統(tǒng)將退出");
System.exit(0);
}
//輸入薪績(jī)表并驗(yàn)證
System.out.println("請(qǐng)輸入薪績(jī)表: a,b,c");
char sal = sc.nextLine().charAt(0);
if(sal'a'||sal'c')
{
System.out.println("輸入有誤,系統(tǒng)將退出");
System.exit(0);
}
//輸入小時(shí)數(shù)
System.out.println("請(qǐng)輸入本周工作時(shí)間(整小時(shí)數(shù)):");
int hours = sc.nextInt();
float salary = 0;
//每個(gè)小時(shí)的薪水
float salaryPerHour = SALARY_OF_PER_HOUR[dept-'A'][div-'1'][sal-'a'];
//分別計(jì)算40小時(shí)內(nèi)和超過(guò)40小時(shí)的薪水
if(hours=40)
{
salary += salaryPerHour*hours;
}
else
{
salary += salaryPerHour*hours+(hours-40)*1.5*salaryPerHour;
}
//輸出結(jié)果
System.out.println("姓名:\t"+name+"\n部門:\t"+dept+"\n分支機(jī)構(gòu):\t"+div
+"\n薪績(jī)表:\t"+sal+"\n工作時(shí)間:\t"+hours+"\n薪水:\t"+salary);
}
}
//Best wishes!
JAVA計(jì)算工人工資,參考例子如下:
import java.util.Scanner;
public class Demo00 {
//定義一個(gè)三維數(shù)組,用于記錄每個(gè)部門、分支、績(jī)效工資
private static final float[][][] SALARY_OF_PER_HOUR = {
{{10.75f,12.50f,14.50f},{11.75f,14.50f,17.50f}},
{{13.00f,16.00f,18.50f},{15.00f,18.50f,22.00f}},
{{16.75f,18.50f,20.50f},{19.25f,25.00f,30.00f}}
};
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
//輸入姓名
System.out.println("請(qǐng)輸入姓名:");
String name = sc.nextLine();
//輸入部門并驗(yàn)證
System.out.println("請(qǐng)輸入部門: A,B,C");
char dept = sc.nextLine().charAt(0);
if(dept'A'||dept'C')
{
System.out.println("輸入有誤,系統(tǒng)將退出");
System.exit(0);
}
//輸入分支機(jī)構(gòu)并驗(yàn)證
System.out.println("請(qǐng)輸入分支機(jī)構(gòu): 1,2");
char div = sc.nextLine().charAt(0);
if(div'1'||div'2')
{
System.out.println("輸入有誤,系統(tǒng)將退出");
System.exit(0);
}
//輸入薪績(jī)表并驗(yàn)證
System.out.println("請(qǐng)輸入薪績(jī)表: a,b,c");
char sal = sc.nextLine().charAt(0);
if(sal'a'||sal'c')
{
System.out.println("輸入有誤,系統(tǒng)將退出");
System.exit(0);
}
//輸入小時(shí)數(shù)
System.out.println("請(qǐng)輸入本周工作時(shí)間(整小時(shí)數(shù)):");
int hours = sc.nextInt();
float salary = 0;
//每個(gè)小時(shí)的薪水
float salaryPerHour = SALARY_OF_PER_HOUR[dept-'A'][div-'1'][sal-'a'];
//分別計(jì)算40小時(shí)內(nèi)和超過(guò)40小時(shí)的薪水
if(hours=40)
{
salary += salaryPerHour*hours;
}
else
{
salary += salaryPerHour*hours+(hours-40)*1.5*salaryPerHour;
}
//輸出結(jié)果
System.out.println("姓名:\t"+name+"\n部門:\t"+dept+"\n分支機(jī)構(gòu):\t"+div
+"\n薪績(jī)表:\t"+sal+"\n工作時(shí)間:\t"+hours+"\n薪水:\t"+salary);
}
}
//Best wishes!
按照題目要求編寫的計(jì)算員工稅后工資的Java程序如下
import java.util.Scanner;
public class Tax{
public static double calculateSalary(double s){
double sat=0;
if(s=5000){
sat=s;
}else if(5000s s=6500){
sat=s-(s-5000)*0.03;
}else if(6500s s=9500){
sat=s-(s-5000)*0.1;
}else if(9500s s=14000){
sat=s-(s-5000)*0.2;
}else if(14000s s=40000){
sat=s-(s-5000)*0.25;
}else if(40000s s=60000){
sat=s-(s-5000)*0.3;
}else if(60000s s=85000){
sat=s-(s-5000)*0.35;
}
return sat;
}
public static void main(String[] args){
Scanner sc=new Scanner(System.in);
int n=0;
double s,sat;
double[] salary=new double[10];
double[] salaryAfterTax=new double[10];
System.out.print("是否添加新員工薪水 y/n?");
String add=sc.next();
while(add.equals("y")){
s=sc.nextDouble();
salary[n]=s;
sat=calculateSalary(s);
salaryAfterTax[n]=sat;
n++;
System.out.print("是否添加新員工薪水 y/n?");
add=sc.next();
}
for(int i=0;in-1;i++){
for(int j=0;jn-1-i;j++){
if(salaryAfterTax[j]salaryAfterTax[j+1]){
double temp=salaryAfterTax[j];
salaryAfterTax[j]=salaryAfterTax[j+1];
salaryAfterTax[j+1]=temp;
}
}
}
System.out.printf("稅后工資高的前三名是:%.2f,%.2f,%.2f",salaryAfterTax[0],salaryAfterTax[1],salaryAfterTax[2]);
}
}
文章名稱:員工工資java代碼 java計(jì)算員工工資編程題
標(biāo)題來(lái)源:http://muchs.cn/article24/doccdje.html
成都網(wǎng)站建設(shè)公司_創(chuàng)新互聯(lián),為您提供定制開發(fā)、網(wǎng)站建設(shè)、靜態(tài)網(wǎng)站、做網(wǎng)站、商城網(wǎng)站、建站公司
聲明:本網(wǎng)站發(fā)布的內(nèi)容(圖片、視頻和文字)以用戶投稿、用戶轉(zhuǎn)載內(nèi)容為主,如果涉及侵權(quán)請(qǐng)盡快告知,我們將會(huì)在第一時(shí)間刪除。文章觀點(diǎn)不代表本網(wǎng)站立場(chǎng),如需處理請(qǐng)聯(lián)系客服。電話:028-86922220;郵箱:631063699@qq.com。內(nèi)容未經(jīng)允許不得轉(zhuǎn)載,或轉(zhuǎn)載時(shí)需注明來(lái)源: 創(chuàng)新互聯(lián)