Symbian 中的动态数组 CArrayX

console->Printf(_L("Press any key to continue "));

console->Getch();

//以姓名方式查找

console->Printf(_L("Find student by name "));

//建立主键，对于不同类型的CArray有不同的主键类型

//_FOFF(c,f)宏来取得类中字段的偏移量

TKeyArrayFix nameKey(_FOFF(TStudent,iSName), ECmpNormal);

TInt findPos;

TStudent S(StuName1,0,0);

console->Getch();

if(StuArrayFlat->Find(S, nameKey, findPos) != KErrNotFound)

{

//查找对象是S，按ECmpNormal格式

console->Printf(_L("findPos is %d "),findPos);

console->Printf((*StuArrayFlat)[findPos].iSName);//直接引用findPos的值，有的书上写findPos-1，这是错误的!

}

console->Printf(KRETURN);

console->Printf(_L("Press any key to continue "));

console->Getch();

//以成绩方式排序

TKeyArrayFix scoreKey(_FOFF(TStudent,iScore), ECmpTInt32);

User::LeaveIfError(StuArrayFlat->Sort(scoreKey));

for(i=0;iCount();i++)

{

console->Printf(_L("name is "));

console->Printf((*StuArrayFlat)[i].iSName);

console->Printf(KRETURN);

console->Printf(KFORMAT2,(*StuArrayFlat)[i].iSNo);

console->Printf(KRETURN);

console->Printf(KFORMAT3,(*StuArrayFlat)[i].iScore);

console->Printf(KRETURN);

}

CleanupStack::PopAndDestroy();

}