資源簡介
Java入門-查詢數據庫(實例76).zip
代碼片段和文件信息
import?java.sql.*;
public?class?SearchDemo{
private?String?dbURL=“jdbc:microsoft:sqlserver://202.115.26.181:1433“; //?數據庫標識名
private?String?user=“devon“; //?數據庫用戶
private?String?password=“book“; //?數據庫用戶密碼
public?SearchDemo(){
try {
Class.forName(“com.microsoft.jdbc.sqlserver.SQLServerDriver“);??//加載驅動器
Connection?con=DriverManager.getConnection(dbURLuserpassword);?//獲取連接
String?sqlStr=“select?*?from?users?where?age>20“;?//SQL查詢語句
Statement?st=con.createStatement();?//獲取Statement對象
ResultSet?rs=st.executeQuery(sqlStr);?//執行查詢
String?namesexemail;?//查詢結果
int?age;
while?(rs.next()){?//遍歷ResultSet
name=rs.getString(“name“);?//獲取數據
age=rs.getInt(“age“);
sex=rs.getString(“sex“);
email=rs.getString(“email“);
System.out.println(“Name:?“+name+“\tAge:“+age+“\tSex:“+sex+“\tEmail:“+email);?//在控制臺輸出數據
}
con.close();?//關閉連接
}
catch(Exception?ex){
ex.printStackTrace();?//輸出出錯信息
}
}
public?s
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????1823??2004-07-21?17:57??SearchDemo.class
?????文件????????1126??2004-06-14?19:01??SearchDemo.java
評論
共有 條評論