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安卓SqlServer直连Demo

java

2020-6-21

在安卓移动端,通过网络,JDBC直连Windows桌面的SqlServer数据库;经测试可正常使用

package com.example.sqlserverandroidtest2;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity {

    // 按钮控件
    private Button btnInsert;
    // jtds驱动路径
    private String drive = "net.sourceforge.jtds.jdbc.Driver";
    // SQL连接字符串,格式是 jdbc:jtds:sqlserver://服务器IP:端口号/数据库名称
    // 端口号默认为1433,如果不是,可以打开SQL Server配置管理器设定,
    // 如果你的SQL Server不是默认实例,需添加连接字符串为
    // jdbc:jtds:sqlserver://服务器IP:端口号/数据库名称;instance=实例名,不过博主没有试验过,你可以百度一下。
    private String connStr = "jdbc:jtds:sqlserver://172.21.56.14:1433/adotest";
    // 用户名和密码,则是对应的数据库的帐号,博主使用sa进行说明,如果你用的不是sa,记得在数据库表中打开你的帐号的权限。
    private String uid = "sa";
    private String pwd = "1";
    // 连接对象,相当于C#中的SqlConnection
    private Connection con = null;
    // 执行对象,相当于C#中的SqlCommand
    private PreparedStatement pstm = null;
    // handler处理对象,用于在跨线程时,在线程间的响应,用于控制主线程的控件(不能跨线程控制控件)
    private Handler handler = new Handler();

    // 执行语句
    private String sql = "insert into [GdInfoSTJF]([barcode],[gdName],[gdColor]) values ('01','aaa','color-01');"
    		  "insert into [GdInfoSTJF]([barcode],[gdName],[gdColor]) values ('6901','bbb','color-02');";
    // 执行结果,受影响行数
    private int resultCount;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 找到btnInsert按钮
        btnInsert = (Button) findViewById(R.id.btnInsert);
        // 设定btnInsert的click操作的监听事件,btnInsert被点击时,触发clickEvent()方法
        btnInsert.setOnClickListener(clickEvent());
    }

    // clickEvent()方法
    public OnClickListener clickEvent() {
        return new OnClickListener() {

            // 方法体
            @Override
            public void onClick(View view) {
                // TODO Auto-generated method stub
                if (view == btnInsert) {
                    // 必须开启新的线程执行
                    Thread thread = new Thread(new Runnable() {

                        @Override
                        public void run() {
                            // TODO Auto-generated method stub
                            // 线程在运行后,执行Insert()方法,返回受影响行数,赋值给resultCount
                            resultCount = Insert();
                            // 使用handler,使主线程响应并执行runShowResult方法
                            handler.post(runShowResult);
                        }
                    });
                    // 线程运行
                    thread.start();
                }
            }
        };
    }

    // 操作数据库的方法
    public int Insert() {
        int count = 0;
        try {
            // 加载驱动
            Class.forName(drive);
        } catch (ClassNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        try {
            // 创建连接对象,加入连接字符串、用户名、密码
            con = DriverManager.getConnection(connStr, uid, pwd);
            // 创建执行对象,并加入执行语句
            pstm = con.prepareStatement(sql);
            // 执行SQL语句,并返回受影响行数
            count = pstm.executeUpdate();
        } catch (SQLException e) {
            e.printStackTrace();
            count = -1;
        } finally {
            try {
                // 关闭连接
                pstm.close();
                con.close();
            } catch (Exception e2) {
                // TODO: handle exception
                e2.printStackTrace();
            }
        }
        return count;
    }

    // 主线程响应方法,用于显示提示气泡
    public Runnable runShowResult = new Runnable() {

        @Override
        public void run() {
            // TODO Auto-generated method stub
            String tips = "受影响行数为:"   resultCount;
            // 弹出气泡
            Toast.makeText(getApplicationContext(), tips, Toast.LENGTH_SHORT).show();
        }
    };

    // 暂不需要理会
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    // 暂不需要理会
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}

资源下载此资源下载价格为3D币(VIP免费),请先
资源文件列表
SqlServerAndroidTest2/.classpath , 567
SqlServerAndroidTest2/.project , 825
SqlServerAndroidTest2/.settings/org.eclipse.jdt.core.prefs , 670
SqlServerAndroidTest2/AndroidManifest.xml , 948
SqlServerAndroidTest2/bin/AndroidManifest.xml , 948
SqlServerAndroidTest2/bin/classes.dex , 525420
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/BuildConfig.class , 375
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/MainActivity$1.class , 1222
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/MainActivity$2$1.class , 1271
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/MainActivity$2.class , 1440
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/MainActivity.class , 4302
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/R$attr.class , 385
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/R$dimen.class , 506
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/R$drawable.class , 452
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/R$id.class , 504
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/R$layout.class , 448
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/R$menu.class , 433
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/R$mipmap.class , 446
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/R$string.class , 550
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/R$style.class , 476
SqlServerAndroidTest2/bin/classes/com/example/sqlserverandroidtest2/R.class , 888
SqlServerAndroidTest2/bin/dexedLibs/jtds-1.3.0-ca93bf9453f365be2b0aace9350942fa.jar , 187628
SqlServerAndroidTest2/bin/jarlist.cache , 120
SqlServerAndroidTest2/bin/resources.ap_ , 71534
SqlServerAndroidTest2/bin/res/crunch/drawable-hdpi/ic_launcher.png , 3112
SqlServerAndroidTest2/bin/res/crunch/mipmap-hdpi/ic_launcher.png , 5964
SqlServerAndroidTest2/bin/res/crunch/mipmap-mdpi/ic_launcher.png , 3112
SqlServerAndroidTest2/bin/res/crunch/mipmap-xhdpi/ic_launcher.png , 9355
SqlServerAndroidTest2/bin/res/crunch/mipmap-xxhdpi/ic_launcher.png , 17889
SqlServerAndroidTest2/bin/res/crunch/mipmap-xxxhdpi/ic_launcher.png , 26388
SqlServerAndroidTest2/bin/SqlServerAndroidTest2.apk , 263065
SqlServerAndroidTest2/gen/com/example/sqlserverandroidtest2/BuildConfig.java , 175
SqlServerAndroidTest2/gen/com/example/sqlserverandroidtest2/R.java , 2883
SqlServerAndroidTest2/ic_launcher-web.png , 51394
SqlServerAndroidTest2/libs/jtds-1.3.0.jar , 316066
SqlServerAndroidTest2/proguard-project.txt , 781
SqlServerAndroidTest2/project.properties , 563
SqlServerAndroidTest2/res/drawable-hdpi/ic_launcher.png , 3777
SqlServerAndroidTest2/res/layout/activity_main.xml , 1032
SqlServerAndroidTest2/res/menu/main.xml , 383
SqlServerAndroidTest2/res/mipmap-hdpi/ic_launcher.png , 7658
SqlServerAndroidTest2/res/mipmap-mdpi/ic_launcher.png , 3777
SqlServerAndroidTest2/res/mipmap-xhdpi/ic_launcher.png , 12516
SqlServerAndroidTest2/res/mipmap-xxhdpi/ic_launcher.png , 24777
SqlServerAndroidTest2/res/mipmap-xxxhdpi/ic_launcher.png , 38693
SqlServerAndroidTest2/res/values-v11/styles.xml , 334
SqlServerAndroidTest2/res/values-v14/styles.xml , 391
SqlServerAndroidTest2/res/values-w820dp/dimens.xml , 381
SqlServerAndroidTest2/res/values/dimens.xml , 220
SqlServerAndroidTest2/res/values/strings.xml , 284
SqlServerAndroidTest2/res/values/styles.xml , 697
SqlServerAndroidTest2/src/com/example/sqlserverandroidtest2/MainActivity.java , 5390
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