68 lines
2.2 KiB
Java
68 lines
2.2 KiB
Java
package step4;
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import java.util.Scanner;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Statement;
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import java.io.*;
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import org.apache.tools.ant.*;
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import org.apache.tools.ant.taskdefs.*;
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import org.apache.tools.ant.types.*;
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public class DeleteRecordTest {
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public static void main(String[] args) throws SQLException {
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String tableName ="book";
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String authorName = "";
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Scanner sc = new Scanner(System.in);
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authorName = sc.nextLine();
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DeleteRecord deleteTable = new DeleteRecord();
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SQLExec sqlExec = new SQLExec();
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//设置数据库参数
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sqlExec.setDriver(deleteTable.JDBC_DRIVER);
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sqlExec.setUrl("jdbc:mysql://localhost/");
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sqlExec.setUserid(deleteTable.USER);
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sqlExec.setPassword(deleteTable.PASS);
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String sqlFile=System.getProperty("user.dir")+File.separator+"challenge4.sql";
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try
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{
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//要执行的脚本
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sqlExec.setSrc(new File(sqlFile));
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sqlExec.setProject(new Project()); // 要指定这个属性，不然会出错
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sqlExec.execute();
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}catch (Exception e) {
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// TODO: handle exception
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e.printStackTrace();
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}
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Connection connection = deleteTable.getConnection(deleteTable.JDBC_DRIVER, deleteTable.DB_URL, deleteTable.USER, deleteTable.PASS);
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int updatedNum = deleteTable.deleteRecordByAuthor(connection,tableName,authorName);
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//updatedNum=0说明删除的行数为0，删除失败
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if(updatedNum == 0)
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{
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System.out.println(0);
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return;
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}
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ResultSet result = deleteTable.queryDB(connection, tableName);
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while (result.next()) {
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String id = result.getString("id");
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String title= result.getString("title");
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String author = result.getString("author");
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String publisher = result.getString("publisher");
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String publishYear = result.getString("publishYear");
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System.out.println(id + " " + title+ " " + author + " "
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+ publisher + " " + publishYear);
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}
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}
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}
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