hzuapps#5 hzuapps#90 第五次作业

AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903136/Net1414080903136Activity.java

@@ -16,12 +16,13 @@
 import java.util.List;
 
 import edu.hzuapps.androidlabs.R;
+import edu.hzuapps.androidlabs.homworks.net1414080903136.db.ExpressDB;
 
 public class Net1414080903136Activity extends FragmentActivity {
     public static String url;
-     Button bt;
-     EditText et1;
-     EditText et2;
+    public static Button bt;
+    public static EditText et1;
+    public static EditText et2;
     private ViewPager mViewpager;
     private FragmentPagerAdapter mAdapter;
     private List<Fragment> mDatas;
@@ -37,6 +38,9 @@ protected void onCreate(Bundle savedInstanceState) {
         initView();
     }
     private void initView() {
+        bt= (Button) findViewById(R.id.bt);
+        et1= (EditText) findViewById(R.id.et1);
+        et2= (EditText) findViewById(R.id.et2);
         ExpressInquiryTV= (TextView) findViewById(R.id.ExpressInquiry);
         SiteQueryTV= (TextView) findViewById(R.id.SiteQuery);
         MyExpressTV= (TextView) findViewById(R.id.MyExpress);

AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903136/Net1414080903136ExpressInquiry.java

@@ -1,22 +1,56 @@
 package edu.hzuapps.androidlabs.homworks.net1414080903136;
 
+import android.app.Activity;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
 
 import edu.hzuapps.androidlabs.R;
+import edu.hzuapps.androidlabs.homworks.net1414080903136.db.ExpressDB;
+import edu.hzuapps.androidlabs.homworks.net1414080903136.db.ExpressDao;
+
+import static edu.hzuapps.androidlabs.homworks.net1414080903136.Net1414080903136Activity.bt;
 
 /**
  * Created by xx on 2017/5/15.
  */
 
 public class Net1414080903136ExpressInquiry extends Fragment{
+
+    ExpressDB expressDB;
+    private Button queryBt;
+    private EditText comName;
+    private EditText exNum;
+    private ExpressDao expressDao;
     @Nullable
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
-        return inflater.inflate(R.layout.tab1_net1414080903136,container,false);
+        View view=inflater.inflate(R.layout.tab1_net1414080903136,container,false);
+        queryBt= (Button) view.findViewById(R.id.bt);
+        comName= (EditText) view.findViewById(R.id.et1);
+        exNum=(EditText) view.findViewById(R.id.et2);
+        expressDao=new ExpressDao(getContext());
+        queryBt.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                //测试数据
+                String companyName=comName.getText().toString();
+                String expressNum=exNum.getText().toString();
+                String date="2017-5-18";
+                String content="惠州学院快递服务站正在第1次派件 电话:15766844117 请保持电话畅通、耐心等待";
+                String state="派件";
+                expressDao.insert(companyName,expressNum,date,content,state);
+            }
+        });
+        return view;
+
+
     }
-}
+
+}

AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903136/db/ExpressDB.java

@@ -0,0 +1,44 @@
+
+package edu.hzuapps.androidlabs.homworks.net1414080903136.db;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+
+
+
+public class ExpressDB extends SQLiteOpenHelper{
+
+    //数据库版本号
+    private static final int DATABASE_VERSION=1;
+    //数据库名称
+    private static final String DATABASE_NAME="express.db";
+    public ExpressDB(Context context){
+        super(context,DATABASE_NAME,null,DATABASE_VERSION);
+    }
+
+
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+
+        //创建数据表
+
+      String CREATE_TABLE_EXPRESS="CREATE TABLE Express("
+                +"ExpressCom TEXT,"
+                +"ExNumber TEXT,"
+                +"ExTime TEXT,"
+                +"ExContext TEXT,"
+                +"ExStatus TEXT)";
+        db.execSQL(CREATE_TABLE_EXPRESS);
+   }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        db.execSQL("DROP TABLE IF EXISTS Express");
+
+        onCreate(db);
+    }
+}
+

AndroidLabs/app/src/main/java/edu/hzuapps/androidlabs/homeworks/net1414080903136/db/ExpressDao.java

@@ -0,0 +1,61 @@
+package edu.hzuapps.androidlabs.homworks.net1414080903136.db;
+
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+
+
+public class ExpressDao  {
+    private ExpressDB expressDB;
+
+    public ExpressDao(Context context){
+        expressDB=new ExpressDB(context);
+    }
+
+    public int insert(String company,String exNum,String time,String context,String status){
+        SQLiteDatabase db=expressDB.getWritableDatabase();
+        ContentValues values=new ContentValues();
+        values.put("ExpressCom",company);
+        values.put("ExNumber",exNum);
+        values.put("ExTime",time);
+        values.put("ExContext",context);
+        values.put("ExStatus",status);
+        long exID=db.insert("Express",null,values);
+        db.close();
+        return (int)exID;
+    }
+    public void update(String company,String exNum,String time,String context,String status){
+        SQLiteDatabase db=expressDB.getWritableDatabase();
+        ContentValues values=new ContentValues();
+
+        values.put("ExTime",time);
+        values.put("ExContext",context);
+        values.put("ExStatus",status);
+        db.update("Express",values,"ExNumber=?",new String[] {exNum });
+        db.close();
+    }
+
+    public String getContentById(String ExNumber){
+        SQLiteDatabase db=expressDB.getReadableDatabase();
+        String content="";
+        String selectQuery="SELECT *"+
+                " FROM Express"
+                + " WHERE "
+                +"ExNumber=?";
+        int iCount=0;
+        Cursor cursor=db.rawQuery(selectQuery,new String[]{ExNumber});
+        if(cursor.moveToFirst()){
+            do{
+                content =cursor.getString(cursor.getColumnIndex("ExContext"));
+            }while(cursor.moveToNext());
+        }
+        cursor.close();
+        db.close();
+        return content;
+    }
+
+
+
+
+}