The effect of inflation on exports and imports is a complex subject and depends to some extent on the goods being exported or imported. However, in general terms, high inflation in your country will make your exports more competitive and imports more expensive. This is because you are paid in a foreign currency for exports and have to pay in a foreign currency for imports.
Therefore, if you export 1,000,000 widgets a month to Europe and are paid 1 euro per widget, you will receive $1,000,000 if the euro and the dollar are worth the same amount. However, as inflation devalues the dollar, while the euro remains stable, 1 euro may be worth $1.10 next month, meaning that you will receive an extra $100,000 for the same order.
However, if you were importing the widgets rather than exporting them, the price you pay would have risen by $100,000. This model, however, assumes that the cost of raw materials and other expenses remain stable, which they almost certainly would not during a period of prolonged inflation.
The relationship between inflation and unemployment is similarly complex. At the beginning of a period of high inflation, unemployment falls as wages rise. However, over time, high inflation reduces aggregate demand and supply, lessening the demand for labor and creating unemployment.