package com.example.lianxi;

import android.app.Activity;

import android.content.ContentValues;

import android.database.Cursor;

import android.database.sqlite.SQLiteDatabase;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

public class MainActivity extends Activity {

EditText e1,e2,e3;

Button b1;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

e1=(EditText)findViewById(R.id.e1);

e2=(EditText)findViewById(R.id.e2);

e3=(EditText)findViewById(R.id.e3);

b1=(Button)findViewById(R.id.insert);

? ?final SQLiteDatabase db=openOrCreateDatabase("user2.db", MODE_PRIVATE, null);

db.execSQL("create table if not exists usertb2(_id integer primary key autoincrement,name text not null,sex text not null,age integer not null)");

? ? ? ??

b1.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

String a=e1.getText().toString();

String b=e2.getText().toString();

int c=Integer.parseInt(e3.getText().toString());

ContentValues values=new ContentValues();

values.put("age", c);

values.put("sex", b);

values.put("name", a);

db.insert("usertb2", null, values);

//db.execSQL("insert into userdb1(name,sex,age)values(a,b,11)");

//1,用execSQL語句怎么把edittext的內容插入到表中呢？

? ?values.clear();

}

});

db.close();//2，為什么輸入關閉數據庫的語句Logcat就會出錯？

}

}