C++ char*，const char*，string的相互转换

mildcat

C++ char*，const char*，string的相互转换
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, y1 k/ y7 A6 ]1. string转const char*

. ^8 C( K. [: Rstring s ="abc";
consTChar* c_s = s.c_str();
8 A  m  ^/ H( n! t2. const char*转string
   直接赋值即可
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. b4 }1 z: Y& R! `constchar* c_s ="abc";
9 J, r! E( b( U! \: E1 O, Fstring s(c_s);
1 m# t3 i4 X3 i( z 3. string转char*
# f1 B: [7 F" D4 E8 _" X2 d2 ostring s ="abc";
char* c;
constint len = s.length();
c =newchar[len+1];
strcpy(c,s.c_str());
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4. char*转string

4 L5 B, C9 a# Hchar* c ="abc";
& t$ _4 ~2 J/ V; ~+ astring s(c);
5. const char*转char*
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constchar* cpc ="abc";
% {# k9 T1 |+ z1 a$ Zchar* pc =newchar[100];//足够长
strcpy(pc,c
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