0_0_7194860_22418.cpp 0_0_7194860_22418.cpp(3) : error C2143: 语法错误 : 缺少“;”(在“if”的前面) 0_0_7194860_22418.cpp(5) : error C2059: 语法错误 : “else” 0_0_7194860_22418.cpp(7) : error C2059: 语法错误 : “else”