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Java 创建数据并将数据添加到SQLite数据库时出错_Java_Android_Sqlite - Fatal编程技术网

Java 创建数据并将数据添加到SQLite数据库时出错

Java 创建数据并将数据添加到SQLite数据库时出错,java,android,sqlite,Java,Android,Sqlite,我是android新手,正在开发我的第一个创建数据库的应用程序。我想在单击“保存”按钮时向数据库添加数据。但是我犯了一个错误 我的日志说 “12-09 12:15:41.204:错误/数据库(565):准备“创建表目标表(id整数主键自动递增,目标标题文本不为空,开始日期文本不为空,目标日期文本不为空,提醒日期文本不为空,”;“时0x12f148出现故障1(接近“自动”:语法错误)。” 请帮我找出错误。谢谢 Database.java package com.firstproject.adity

我是android新手,正在开发我的第一个创建数据库的应用程序。我想在单击“保存”按钮时向数据库添加数据。但是我犯了一个错误

我的日志说

“12-09 12:15:41.204:错误/数据库(565):准备“创建表目标表(id整数主键自动递增,目标标题文本不为空,开始日期文本不为空,目标日期文本不为空,提醒日期文本不为空,”;“时0x12f148出现故障1(接近“自动”:语法错误)。”

请帮我找出错误。谢谢

Database.java

package com.firstproject.aditya;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteOpenHelper;

public class Database {

    public static final String KEY_ROWID = "_id";
    public static final String KEY_TITLE = "goals_title";
    public static final String KEY_STDATE = "start_date";
    public static final String KEY_TGDATE = "target_date";
    public static final String KEY_RDDATE = "reminder_date";

    private static final String DATABASE_NAME = "GoalInformation";
    private static final String DATABASE_TABLE = "GoalTable";
    private static final int DATABASE_VERSION = 1;


    private DbHelper ourHelper;
    private final Context ourContext;
    private android.database.sqlite.SQLiteDatabase ourDatabase;

    private static class DbHelper extends SQLiteOpenHelper {

        public DbHelper(Context context) {
            super(context, DATABASE_NAME, null, DATABASE_VERSION);
            // TODO Auto-generated constructor stub
        }

        @Override
        public void onCreate(android.database.sqlite.SQLiteDatabase db) {
            // TODO Auto-generated method stub
            db.execSQL("CREATE TABLE " + DATABASE_TABLE + " (" + KEY_ROWID
                    + " INTEGER PRIMARY KEY AUTO INCREMENT, " + KEY_TITLE
                    + " TEXT NOT NULL, " + KEY_STDATE + " TEXT NOT NULL, "
                    + KEY_TGDATE + " TEXT NOT NULL, " + KEY_RDDATE
                    + " TEXT NOT NULL);"

            );
        }

        @Override
        public void onUpgrade(android.database.sqlite.SQLiteDatabase db,
                int oldVersion, int newVersion) {
            // TODO Auto-generated method stub
            db.execSQL("DROP TABLE IF EXISTS " + DATABASE_TABLE);
            onCreate(db);
        }

    }

    public Database(Context c) {
        ourContext = c;
    }

    public Database open() throws SQLException {
        ourHelper = new DbHelper(ourContext);
        ourDatabase = ourHelper.getWritableDatabase();
        return this;
    }

    public void close() {
        ourHelper.close();
    }

    public long createEntry(String gTitle, String dateS, String dateT,
            String dateR) {
        // TODO Auto-generated method stub
        ContentValues cv = new ContentValues();
        cv.put(KEY_TITLE, gTitle);
        cv.put(KEY_STDATE, dateS);
        cv.put(KEY_TGDATE, dateT);
        cv.put(KEY_RDDATE, dateR);
        return ourDatabase.insert(DATABASE_TABLE, null, cv);
    }

    public String getData() {
        // TODO Auto-generated method stub
        String[] columns = new String[] { KEY_ROWID, KEY_TITLE, KEY_STDATE,
                KEY_TGDATE, KEY_RDDATE };
        Cursor c = ourDatabase.query(DATABASE_TABLE, columns, null, null, null,
                null, null);
        String result = "";

        int iRow = c.getColumnIndex(KEY_ROWID);
        int iTitle = c.getColumnIndex(KEY_TITLE);
        int iStdate = c.getColumnIndex(KEY_STDATE);
        int iTgdate = c.getColumnIndex(KEY_TGDATE);
        int iRddate = c.getColumnIndex(KEY_RDDATE);

        for (c.moveToFirst(); !c.isAfterLast(); c.moveToNext()) {
            result = result + c.getString(iRow) + " " + c.getString(iTitle)
                    + " " + c.getString(iStdate) + " " + c.getString(iTgdate)
                    + " " + c.getString(iRddate) + "\n";
        }

        return result;
    }
}

onCreate语句中存在语法错误。查看该语句的最后一部分,将“符号置于内”(即+“文本非空”);

onCreate语句中存在语法错误。查看该语句的最后一部分,将“符号置于内”(即+“文本非空”)

AUTO
INCREMENT
之间应该没有空格。它应该是
AUTOINCREMENT

AUTO
INCREMENT
之间应该没有空格。它应该是
AUTOINCREMENT
AUTO INCREMENT
之间不应该有空格,它应该是
AUTOINCREMENT
AUTO INCREMENT
之间不应该有空格,应该是
AUTOINCREMENT

将整数主键自动增量更改为整数主键自动增量,并告知问题是否已解决:)未解决。仍然是持久的。@AdityaSharma请按照答案中的建议键入AUTOINCREMENT,并在db.execSQL的末尾加上空格,例如+“TEXT NOT NULL”);“完成了!成功了。谢谢将整数主键自动递增更改为整数主键自动递增,并告知问题是否已解决:)未解决。仍然是持久的。@AdityaSharma请按照答案中的建议键入AUTOINCREMENT,并在db.execSQL的末尾加上空格,例如+“TEXT NOT NULL”);“完成了!成功了。谢谢这真管用。。!应该更加小心空间。谢谢:)这很管用。。!应该更加小心空间。谢谢:)