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swal()方法是一个提示框；swal({title:"",text:"请扫描用户手机上的付款码",type:"input",showCancelButton:true,closeOnConfirm:false,cancelButtonText:"取消",confirmButtonText:"确认",imageUrl:...

 #include<stdio.h>#include<wctype.h>intmain(){inti;wchar_tstr[]=L"c3p。o...";i=0;while(iswalnum(str[i])){i++;}printf("Thefirst%dcharactersarealp...

 #include<stdio.h>#include<wctype.h>intmain(){inti=0;wchar_tstr[]=L"C++";while(str[i]){if(iswalpha(str[i])){printf("character%lcisalphabetic",s...

swal({  title:"确认删除?",  text:"Yourwillnotbeabletorecoverthisimaginaryfile!",  type:"warning",  showCancelButton:true,&nb...