SQLite 数据库是 Android 平台上默认的数据库引擎。
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void AddEmployee(Employee emp){ SQLiteDatabase db= this.getWritableDatabase(); ContentValues cv=new ContentValues(); cv.put(colName, emp.getName()); cv.put(colAge, emp.getAge()); cv.put(colDept, emp.getDept()); //cv.put(colDept,2); db.insert(employeeTable, colName, cv); db.close();} int getEmployeeCount(){ SQLiteDatabase db=this.getWritableDatabase(); Cursor cur= db.rawQuery("Select * from "+employeeTable, null); int x= cur.getCount(); cur.close(); return x;} |