0_0_16962358_21215.cpp 0_0_16962358_21215.cpp(11) : error C2065: “i”: 未声明的标识符 0_0_16962358_21215.cpp(13) : error C2065: “i”: 未声明的标识符 0_0_16962358_21215.cpp(15) : error C2065: “i”: 未声明的标识符