通过ajax向PHP传递参数和PHP处理并返回给ajax

js代码：

<script type="text/javascript">
    $(function(){
     /* var input = "<input type='text' value=''/>";*/
        $("#btn-edit").click(function(){
            /*$("td[title=tag]").append(input);*/
            var articleid = $('#articleid').val();
            var allvisit = $('#allvisit').val();
            var monthvisit = $('#monthvisit').val();
            var weekvisit = $('#weekvisit').val();
            var allvote = $('#allvote').val();
            var monthvote = $('#monthvote').val();
            var weekvote = $('#weekvote').val();
            var goodnum = $('#goodnum').val();
            $.post("indexModify.php",{
                    'articleid':articleid,'allvisit': allvisit,'monthvisit':monthvisit,'weekvisit':weekvisit,'allvote':allvote,'monthvote':monthvote,'weekvote':weekvote,'goodnum':goodnum
            },function(msg){
                alert("修改成功");
              //接收PHP返回的值并处理
                var msgobj = eval("("+msg+")");
          for(var key in msgobj){
            var item = msgobj[key];
            alert(item);
          }
            }
            );
            
        });
    });
</script>

PHP代码：

<?php
$mysqli = new mysqli('localhost','root','localhost');
	$mysqli->query("set names utf8");
/*if($_SERVER['REQUEST_METHOD']=='POST'){
    if(isset($_POST["submit"])){*/
$articleid = intval($_POST['articleid']);
$allvisit = intval($_POST['allvisit']);
$monthvisit = intval($_POST['monthvisit']);
$weekvisit = intval($_POST['weekvisit']);
$allvote = intval($_POST['allvote']);
$monthvote = intval($_POST['monthvote']);
$weekvote = intval($_POST['weekvote']);
$goodnum = intval($_POST['goodnum']);
/*var_dump($goodnum);
echo $goodnum;*/
$sql = "update jieqi_article_article set allvisit='$allvisit',monthvisit='$monthvisit',weekvisit='$weekvisit',allvote='$allvote',monthvote='$monthvote',weekvote='$weekvote',goodnum='$goodnum'where articleid=$articleid";
$query = $mysqli->query($sql);
if ($query) {
   $sql = "select allvisit,monthvisit,weekvisit,allvote,monthvote,weekvote,goodnum from jieqi_article_article where articleid = $articleid";
$result = $mysqli->query($sql);
$numrows = $result->fetch_all(MYSQL_ASSOC);
/*var_dump($numrows);*/
$list=array("allvisit"=>$numrows[0]["allvisit"],"monthvisit"=>$numrows[0]["monthvisit"],"weekvisit"=>$numrows[0]["weekvisit"],"allvote"=>$numrows[0]["allvote"],"monthvote"=>$numrows[0]["monthvote"],"weekvote"=>$numrows[0]["weekvote"],"goodnum"=>$numrows[0]["goodnum"]); 
 echo json_encode($list);//返回json数据类型的值给ajax

（编辑：李大同）

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