一个完整,c++实现js.escape的代码片段

一个完整,c++实现js.escape的代码片段

string& js_escape(string &str)
{
 setlocale(LC_CTYPE,"");
 wchar_t aa[1<<10];
 mbstowcs(aa,str.c_str(),str.size());
 wstring wcs(aa);
 str = "";
 for(int i=0;i<wcs.size();i++)
 {
 if(wcs[i]>0xff)
 {
 char tmp[5];
 sprintf(tmp,"%x",wcs[i]);
 str += "%u";
 str += tmp;
 }
 else
 {
 if( (wcs[i]>='a' && wcs[i]<='z') || (wcs[i]>='A' && wcs[i]<='Z') || ( wcs[i]>='0' && wcs[i]<='9' ) )
 {
 char tmp[2];
 sprintf(tmp,"%c",wcs[i]);
 str += tmp;
 }
 else
 {
 char tmp[3];
 sprintf(tmp,"%02x",wcs[i]);
 str += "%";
 str += tmp;
 }
 }
 }
 return str;
}
int main()
{
 string str = "冯a继b业";
 string ss = js_escape(str);
 cout << ss << endl;
 return 0;
}