master
LQS 2024-07-26 09:11:24 +08:00
commit 0e433b077d
12 changed files with 327 additions and 0 deletions

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.gitignore vendored 100644
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target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

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# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

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<component name="Encoding">
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<file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="MavenProjectsManager">
<option name="originalFiles">
<list>
<option value="$PROJECT_DIR$/pom.xml" />
</list>
</option>
</component>
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>

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<project version="4">
<component name="Palette2">
<group name="Swing">
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17
pom.xml 100644
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.icecream</groupId>
<artifactId>billManager</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>8</maven.compiler.source>
<maven.compiler.target>8</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
</project>

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/*
Navicat Premium Data Transfer
Source Server : 2112B
Source Server Type : MySQL
Source Server Version : 50557
Source Host : localhost:3306
Source Schema : 2112-zgl-dya08-rk
Target Server Type : MySQL
Target Server Version : 50557
File Encoding : 65001
Date: 26/07/2024 08:59:36
*/
SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
-- ----------------------------
-- Table structure for t_bill
-- ----------------------------
DROP TABLE IF EXISTS `t_bill`;
CREATE TABLE `t_bill` (
`bill_id` int(11) NOT NULL AUTO_INCREMENT,
`bill_date` datetime NULL DEFAULT NULL,
`bill_monery` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
PRIMARY KEY (`bill_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Compact;
-- ----------------------------
-- Records of t_bill
-- ----------------------------
SET FOREIGN_KEY_CHECKS = 1;

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sql/8-专高6.doc 100644

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package com.bwie.dao;
import java.sql.*;
public class BillDao {
private static final String URL = "jdbc:mysql://localhost:3306/2112-zgl-dya08-rk?useSSL=false";
private static final String USER = "your_username";
private static final String PASSWORD = "your_password";
public static void main(String[] args) {
}
// 添加数据到表
public void add(String someColumn) {
String sql = "INSERT INTO t_bill (bill_Monery) VALUES (?)";
try (Connection conn = DriverManager.getConnection(URL, USER, PASSWORD);
PreparedStatement pstmt = conn.prepareStatement(sql)) {
pstmt.setString(1, someColumn);
pstmt.executeUpdate();
} catch (SQLException e) {
e.printStackTrace();
}
}
// 查询表中的所有数据
public void selectAll() {
String sql = "SELECT * FROM t_bill";
try (Connection conn = DriverManager.getConnection(URL, USER, PASSWORD);
PreparedStatement pstmt = conn.prepareStatement(sql);
ResultSet rs = pstmt.executeQuery()) {
while (rs.next()) {
int id = rs.getInt("id");
System.out.println("ID: " + id);
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}

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package com.bwie.pojo;
import java.util.Date;
public class bill {
private Integer billId;
private Date billDate;
private double billMonery;
public bill() {
}
public Integer getBillId() {
return billId;
}
public void setBillId(Integer billId) {
this.billId = billId;
}
public Date getBillDate() {
return billDate;
}
public void setBillDate(Date billDate) {
this.billDate = billDate;
}
public double getBillMonery() {
return billMonery;
}
public void setBillMonery(double billMonery) {
this.billMonery = billMonery;
}
public bill(Integer billId, Date billDate, double billMonery) {
this.billId = billId;
this.billDate = billDate;
this.billMonery = billMonery;
}
}

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