Android下调用jni时进行的转码操作实例

bool handleString(char* name)
    {
      jstring rtnname = 0;                 
      int slenname = strlen(name);
      unsigned short * namebuffer = 0;    
      if( slenname == 0 )                 
         rtnname = mEnv->NewStringUTF(name); 
      else                                
      {                    
       wchar_t* wname = NULL;
       setlocale(LC_ALL,"");
      

        
       int namelength=mbstowcs(wname,name,strlen(name)*2);
       
        namebuffer = (unsigned short *)malloc(namelength*2 + 1 );
       if((rtnname = mEnv->NewString(  (jchar*)namebuffer, namelength )) == NULL) 
              return false;                  
                                                                                            
       if( namebuffer )
       free(namebuffer );
      }      
                  
       return true;
    }
            
     bool isASCII(const char* chp)
     {
       char ch;
       bool flag;
       while ((ch = *chp++))
        { 
         flag = false;                
         if (ch & 0x80) 
         {
          flag = true;
           break;
         }
        }
       return flag;        
     }