转载来自于:
http://www.cnblogs.com/leehongee/p/3642308.html
在做数据转换时,最好包含以下头文件
- #include <iostream>
- #include<cmath>
- #include<string>
- #include<sstream>
- USING_NS_CC;
- using namespacestd;
在cocos2d-x中,也有一个格式刷:CCString(数据转换常常找她做中间人),那么我们要转换类型,
可先将起始数据类型刷成CCString然后再转成目的数据类型,这个方法比较方便且实用。
//int 转 CCstring int num=5; CCString* ns=CCString::createWithFormat(@H_403_71@"@H_403_71@%d@H_403_71@",num); //CCstring 转 int int px = ns->intValue();//将CCString 转换为int的方法,转成float类型有 floatValue() //====================================== //CCString 转 char const char *string= ns->getCString(); //char 转 CCString CString.Format(”%s”,char *)//char 转cstring CCString* ns=CCString::createWithFormat(@H_403_71@"@H_403_71@%s@H_403_71@",char *); //====================================== //string 转 char const char *string=std::string(@H_403_71@"@H_403_71@STRING@H_403_71@").c_str(); char 转 string string s(char *); //====================================== //string 转 int std::string s(@H_403_71@"@H_403_71@1234@H_403_71@"); int n = std::atoi(s.c_str());//函数原型int atoi(const char *); //int 转 string int a=3; CCString* ns=CCString::createWithFormat(@H_403_71@"@H_403_71@%d@H_403_71@",a); string s=ns->m_sString; //====================================== //string 转 CCString std::string str = @H_403_71@"@H_403_71@123@H_403_71@"; CCString* ns=CCString::createWithFormat(@H_403_71@"@H_403_71@%s@H_403_71@",str.c_str()); CCString 转 string std::string s= ns->m_sString;//ns是一个CCString*类型 //====================================== //char 转 int char *buf = @H_403_71@"@H_403_71@1122@H_403_71@"; int n = std::atoi(buf); //int 转 char int a=3; CCString* ns=CCString::createWithFormat(@H_403_71@"@H_403_71@%d@H_403_71@",a); const char* s=ns->getCString();