cocos2dx3.0 中文支持显示

转自：http://www.58player.com/article-84994-1.html

#ifndef _SUPPORT_TOOL_H_

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#define
_SUPPORT_TOOL_H_

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//////////////////////////////////////////////////////////////////////////

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#include
"cocos2d.h"

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//////////////////////////////////////////////////////////////////////////

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#define
A2U(varString) wSupportTool::AStrToUTF8(varString).c_str() //用于显示中文(窄字符)

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#define
W2U(varString) wSupportTool::WStrToUTF8(varString).c_str() //用于显示中文(宽字符)

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//////////////////////////////////////////////////////////////////////////

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class

wSupportTool

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{

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public

:

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//string
to UTF8

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static

std::string
AStrToUTF8(

const

string&
src)

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{

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std::string
curLocale=

setlocale

(LC_ALL,NULL);

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setlocale

(LC_ALL,

""

);

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int

len=src.length()+1;

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wchar_t

*str
=

new

wchar_t

[len];

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int

total=

mbstowcs

(str,src.c_str(),len);

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str[total]=0;

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std::wstring
wstr=str;

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delete

[]
str;

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setlocale

(LC_ALL,
curLocale.c_str());

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return

WStrToUTF8(wstr);

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}

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//wstring
to UTF8

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static

std::string
WStrToUTF8(

const

wstring&
src)

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{

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std::string
dest;

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for

(

size_t

i
= 0; i < src.size();i++){

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wchar_t

w
= src[i];

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if

(w
<= 0x7f)

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dest.push_back((

char

)w);

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else

if

(w
<= 0x7ff){

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dest.push_back(0xc0
| ((w >> 6)& 0x1f));

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dest.push_back(0x80|
(w & 0x3f));

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}

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else

if

(w
<= 0xffff){

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dest.push_back(0xe0
| ((w >> 12)& 0x0f));

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dest.push_back(0x80|
((w >> 6) & 0x3f));

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dest.push_back(0x80|
(w & 0x3f));

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}

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/*else
if (sizeof(wchar_t) > 2 && w <= 0x10ffff){

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dest.push_back(0xf0
| ((w >> 18)& 0x07));//wchar_t 4-bytes situation

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dest.push_back(0x80|
((w >> 12) & 0x3f));

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dest.push_back(0x80|
((w >> 6) & 0x3f));

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dest.push_back(0x80|
(w & 0x3f));

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}*/

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else

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dest.push_back(

'?'

);

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}

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return

dest;

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}

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};

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#endif

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加入这个类后，只要在使用中文的时候，加上A2U或W2U宏就好了

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[cpp]
view plaincopy

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//

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LabelTTF::create(A2U(

"这是一个Label！"

),

"Arial"

,
14);

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log

(A2U(

"这是一条log！"

));

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//

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string
Astr=A2U(

"欢迎来到这个世界！"

);

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log

(Astr.c_str());

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LabelTTF::create(Astr,

"Arial"

,
14);

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//

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LabelTTF::create(W2U(L

"这是一个Label！"

),

"Arial"

,
14);

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log

(W2U(L

"这是一条log！"

));

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//

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string
Wstr=W2U(L

"欢迎来到这个世界！"

);

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log

(Wstr.c_str());

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LabelTTF::create(Wstr,

"Arial"

,
14);