https://www.baidu.com/s?wd=multibytetowidechar%E5%87%BD%E6%95%B0%E8%AF%B4%E6%98%8E&rsv_spt=1&rsv_iqid=0xb63ca89300004b4b&issp=1&f=3&rsv_bp=1&rsv_idx=2&ie=utf-8&rqlang=cn&tn=baiduhome_pg&rsv_enter=0&oq=vc%252B%252B%2520%25E7%25BC%2596%25E7%25A0%2581%25E9%259B%2586&rsv_t=a14dOIjqJigxe0H0BMBS%2BSU8RJiAeuB%2Fdi17VJ%2F%2FFIMNvvaot6%2BKQqpqObgGF5ELn5sa&inputT=14890&rsv_pq=8a9ae85e0000fa6f&rsv_sug3=740&rsv_sug1=581&rsv_sug7=100&rsv_sug2=0&prefixsug=MultiByteToWide%2526lt%253Bhar&rsp=1&rsv_sug4=15042 https://www.cnblogs.com/ranjiewen/p/5770639.html https://bbs.csdn.net/topics/392205021
