This is an online call voting system made up of php + txt text files. online user surveys can be completed without the need for database support. The code is as follows: Copy the code htmlgt; l...
This is an online call voting system made up of php + txt text files. online user surveys can be completed without the need for database support.
| The code is as follows: |
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Online survey program code
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// Survey. php
| The code is as follows: |
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/*
No need for database tutorials online voting for php code
*/
$ Data = "data.txt ";
$ Votes = "survey.txt ";
$ Dataf = file ($ data);/* read the project in the survey project file */
$ File_votes = fopen ($ votes, "r ");
$ Line_votes = fgets ($ file_votes, 255);/* read the recorded Survey Results */
Fclose ($ file_votes );
$ Single_vote = explode ("|", $ line_votes);/* cut the data according to the specified string, and then pass the string back to the array variable */
If ($ result! = 1)/* if you have already received the investigation */
{
$ File_votes = file ($ votes, "r ");
If ($ remote_addr = $ file_votes [1])/* check whether the same person is the same */
{
Echo" You have already voted. thank you for your participation! ";
Exit;
}
/* If the ip address is not repeated, execute the following program */
$ Ficdest = fopen ($ votes, "w ");
For ($ I = 0; $ I <= count ($ dataf)-1; $ I ++)
{
If ($ I = $ vote)
{/* Determine the selected project */
$ Single_vote [$ I] + = 1;
}
Fputs ($ ficdest, "$ single_vote [$ I] |");/* write data back to a file */
}
Fputs ($ ficdest, "$ remote_addr");/* // ip address of the writer */
Fclose ($ ficdest );
$ Result = 1;/* vote successful */
}
/* Write the voting result and display the voting result */
If ($ result = 1)
{
Echo"
";For ($ I = 0; $ I <= count ($ dataf)-1; $ I ++){/* Obtain the total number of votes */$ Tot_votes + = $ single_vote [$ I];}For ($ I = 0; $ I <= count ($ dataf)-1; $ I ++){$ Imag = strval ($ I). ". gif";/* determine which bar image is used to display the statistical result */$ Stat [$ I] = $ single_vote [$ I]/$ tot_votes * 100;/* calculate the percentage */$ Scla = $ stat [$ I] * 5;/* bar chart and magnification, which are displayed by a pixel width of 5 times of the security percentage */Echo"
";
Echo "$ dataf [$ I] |
";
Echo "";/* output bar code */
Printf ("%. 1f", "$ stat [$ I]");
Echo "% |
";
/* Output the number of votes in this topic */
Echo "$ single_vote [$ I]";
Echo" |
";}Echo"
";
Echo "Total votes: $ tot_votes ";
} |
/*
Data.txt file
Project 1
Project 2
Project 3
Project 4
Project 5
*/
?>
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