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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                有時候你希望檢查多個相關的條件,然后從多個操作中選擇一個。其中一種方法是鏈接多個if和else: ~~~ if(x > 0) { cout << "x is positive" << endl; } else if (x < 0) { cout << "x is negative" << endl; } else { cout << "x is zero" << endl; } ~~~ 這些鏈條可以有任意長,然而如果它們失控,將會難以閱讀。為了讓它們變得更易讀,一種方法是使用標準縮進,正如這些示例中證明的。如果你把所有這些語句和花括號都整齊地排列起來,那么你犯語法錯誤的可能性會減小,就算犯錯了,也能更快地找出它們。
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