前一段时间，使用cocos2dx 2.0,在使用中文转码的时候，老是加载出问题。
Error 1 error LNK2019: unresolved external symbol _libiconv_close referenced in function "public: int __thiscall HelloWorld::GBKToUTF8(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,char const *,char const *)" (?GBKToUTF8@HelloWorld@@QAEHAAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD1@Z) F:\cocos2d\cocos2d2\HelloWorld\proj.win32\HelloWorldScene.obj HelloWorld
Error 2 error LNK2019: unresolved external symbol _libiconv referenced in function "public: int __thiscall HelloWorld::GBKToUTF8(class std::basic_string<char,char const *)" (?GBKToUTF8@HelloWorld@@QAEHAAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD1@Z) F:\cocos2d\cocos2d2\HelloWorld\proj.win32\HelloWorldScene.obj HelloWorld
Error 3 error LNK2019: unresolved external symbol _libiconv_open referenced in function "public: int __thiscall HelloWorld::GBKToUTF8(class std::basic_string<char,char const *)" (?GBKToUTF8@HelloWorld@@QAEHAAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD1@Z) F:\cocos2d\cocos2d2\HelloWorld\proj.win32\HelloWorldScene.obj HelloWorld
，原因是在引用第三方库的时候，只写了头文件，#include "platform\third_party\win32\iconv\iconv.h" 只要在头文件附近加入 #pragma comment(lib,"libiconv.lib") 即： #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) #include "platform\third_party\win32\iconv\iconv.h" #pragma comment(lib,"libiconv.lib") #endif 可解决中文问题，下面附带函数： int HelloWorld::GBKToUTF8(std::string &gbkStr,const char* toCode,const char* formCode) { iconv_t iconvH; iconvH = iconv_open(formCode,toCode); if(iconvH == 0) { return -1; } const char* strChar = gbkStr.c_str(); const char** pin = &strChar; size_t strLength = gbkStr.length(); char* outbuf = (char*)malloc(strLength*4); char* pBuff = outbuf; memset(outbuf,strLength*4); size_t outLength = strLength*4; if(-1 == iconv(iconvH,pin,&strLength,&outbuf,&outLength)) { iconv_close(iconvH); return -1; } gbkStr = pBuff; iconv_close(iconvH); return 0; } //----------------------------------------------------- std::string title = "啊看见电算会计快接啊但是"; #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) GBKToUTF8(title,"gb2312","utf-8"); #endif CCLabelTTF* pLabel = CCLabelTTF::create(title.c_str(),"Thonburi",24);
Error 1 error LNK2019: unresolved external symbol _libiconv_close referenced in function "public: int __thiscall HelloWorld::GBKToUTF8(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,char const *,char const *)" (?GBKToUTF8@HelloWorld@@QAEHAAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD1@Z) F:\cocos2d\cocos2d2\HelloWorld\proj.win32\HelloWorldScene.obj HelloWorld
Error 2 error LNK2019: unresolved external symbol _libiconv referenced in function "public: int __thiscall HelloWorld::GBKToUTF8(class std::basic_string<char,char const *)" (?GBKToUTF8@HelloWorld@@QAEHAAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD1@Z) F:\cocos2d\cocos2d2\HelloWorld\proj.win32\HelloWorldScene.obj HelloWorld
Error 3 error LNK2019: unresolved external symbol _libiconv_open referenced in function "public: int __thiscall HelloWorld::GBKToUTF8(class std::basic_string<char,char const *)" (?GBKToUTF8@HelloWorld@@QAEHAAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@PBD1@Z) F:\cocos2d\cocos2d2\HelloWorld\proj.win32\HelloWorldScene.obj HelloWorld
，原因是在引用第三方库的时候，只写了头文件，#include "platform\third_party\win32\iconv\iconv.h" 只要在头文件附近加入 #pragma comment(lib,"libiconv.lib") 即： #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) #include "platform\third_party\win32\iconv\iconv.h" #pragma comment(lib,"libiconv.lib") #endif 可解决中文问题，下面附带函数： int HelloWorld::GBKToUTF8(std::string &gbkStr,const char* toCode,const char* formCode) { iconv_t iconvH; iconvH = iconv_open(formCode,toCode); if(iconvH == 0) { return -1; } const char* strChar = gbkStr.c_str(); const char** pin = &strChar; size_t strLength = gbkStr.length(); char* outbuf = (char*)malloc(strLength*4); char* pBuff = outbuf; memset(outbuf,strLength*4); size_t outLength = strLength*4; if(-1 == iconv(iconvH,pin,&strLength,&outbuf,&outLength)) { iconv_close(iconvH); return -1; } gbkStr = pBuff; iconv_close(iconvH); return 0; } //----------------------------------------------------- std::string title = "啊看见电算会计快接啊但是"; #if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) GBKToUTF8(title,"gb2312","utf-8"); #endif CCLabelTTF* pLabel = CCLabelTTF::create(title.c_str(),"Thonburi",24);
