C++ char*，const char*，string的相互转换

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C++ char*，const char*，string的相互转换
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: C6 m7 K5 h! a. n+ |& g9 [7 n1. string转const char*
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string s ="abc";
consTChar* c_s = s.c_str();
2. const char*转string
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constchar* c_s ="abc";
% A# D, V$ O9 O7 Bstring s(c_s);
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string s ="abc";
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constint len = s.length();
c =newchar[len+1];
strcpy(c,s.c_str());
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4 l% j' Y/ G; i) |, V" C+ c/ C1 V7 q 4. char*转string

4 {6 ^6 A2 C7 y+ e7 N7 Nchar* c ="abc";
string s(c);
8 e! u* X9 Q$ M/ i 5. const char*转char*
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) H6 l: ?) b, hconstchar* cpc ="abc";
char* pc =newchar[100];//足够长
& F  l+ [. Z, c$ `strcpy(pc,c

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