// 读写的方法
public void Save() {
try {
file.delete();
FileWriter writer = new FileWriter(file);
for (Item i : list)
writer.write(
i.getNumber()
+ ";"
+ i.getCategory()
+ ";"
+ i.getName()
+ ";"
+ i.getModel()
+ ";"
+ i.getStock()
+ "\n");
writer.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public void show() {
Collections.sort(
list,
new Comparator<Item>() {
public int compare(Item i1, Item i2) {
if (i1.getNumber() > i2.getNumber()) return 1;
else return -1;
}
});
for (Item i : list)
System.out.println(
i.getNumber()
+ ";"
+ i.getCategory()
+ ";"
+ i.getName()
+ ";"
+ i.getModel()
+ ";"
+ i.getStock());
}