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This article introduces the relevant knowledge of "how to use PHP+MySQL to design comment comment function". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

First we put a comment form and display the comment list # comments, then call the comment list and post the comment through Ajax:

$(function () {var comments = $("# comments"); $.getJSON ("ajax.php", function (json) {$.each (json, function (index, array) {var txt = "

"+ array [" user "] +": "+ array [" comment "] +"+ array [" addtime "] +"

"; comments.append (txt);}); $(" # add ") .click (function () {var user = $(" # user ") .val (); var txt = $(" # txt ") .val () Ajax ({type: "POST", url: "comment.php", data: "user=" + user + "& txt=" + txt, success: function (msg) {if (msg = = 1) {var str = "

"+ user +": "+ txt +" just now

"; comments.append (str); $(" # message "). Show (). Html (" published successfully! ") .fadeOut (1000); $("# txt"). Attr ("value", "");} else {$("# message"). Show (). Html (msg) .fadeOut (1000);})

Finally, the table comments structure is attached:

This is the end of CREATE TABLE `comments` (`id` int (11) NOT NULL auto_increment, `user` varchar (30) NOT NULL, `comment` varchar (200) NOT NULL, `addtime` datetime NOT NULL, PRIMARY KEY (`id`) ENGINE=MyISAM; "how to use PHP+MySQL to design the function of posting comments and comments. Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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