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在wordpress插件頁面中調用Jquery Ajax無法正常工作

[英]Jquery Ajax call in wordpress plugin page not working

在wordpress中,我創建了一個包含以下文件的插件

統計訪客

<?php
/*
Plugin Name: Wp Visitor Statistics
Plugin URI: 
Description: Statistics about Visitors
Author: 
Version: 1.0.1
Author URI:
*/

ob_start();
define('STATISTICS_FOLDER', dirname(plugin_basename(__FILE__)));

//CREATING MENU PAGES IN SIDEBAR
add_action('admin_menu','statistics_admin_menu');

    function statistics_admin_menu() { 
        $icon_url=get_option('siteurl').'/wp-content/plugins/'.STATISTICS_FOLDER."/lea.png";
        add_menu_page("Statistics","Statistics",10,__FILE__,"Settings",$icon_url); 
        add_submenu_page(__FILE__,"Stat Report","Statistics Report",10,"visitor_stat/statreport.php");      
    } 

function Settings()
{

    $plugindir = get_option('siteurl').'/wp-content/plugins/'.STATISTICS_FOLDER.'/';
    echo "<script type='text/javascript' src='http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js'/></script>\n";
    echo "<br/>";
    echo "<script type='text/javascript' src='$plugindir/calendar/myfuncvisit.js'/></script>\n";
    echo "<br/>";
    echo "<script type='text/javascript' src='$plugindir/calendar/jquery.datepick.js'/></script>\n";
    echo "<br/>";
    echo "<link rel='stylesheet' href='$plugindir/calendar/jquery.datepick.css' type='text/css' />\n";  
    echo "<br/>";
echo "<script type='text/javascript'>
$(function() {
    $('#popupDatepicker').datepick({dateFormat: 'yyyy-mm-dd'});
});
</script>";
echo "<br/>";

echo "<div class='wrap'>
<form action='' name='frm1'>
<strong>Todays Visit : <span id='todays_visit'> </span> | Overall Visit :<span id='overall_visit'></span> ( Original Data )<br /></strong><br />
Todays Visit plus : <input type='text' name='todays_visit_plus' id='todays_visit_plus' value=''/><br /><br />
Overall Visit plus : <input type='text' name='overall_visit_plus'  id='overall_visit_plus' value=''/><br /><br />
Overall Visit Start Date : <input type='text' class='overall_visit_startdate' id='popupDatepicker'><br /><br />
<div id='msg_save'></div>
<input type='button' name='save' id='save' value='save'/>
</form>
</div>";

}
?>  

然后它調用另一個文件js

myfuncvisit.js

// JavaScript Document
            $(document).ready(function(){

                // loading image displaying function
                function loading_show(divid){

                   $('#'+divid).html("<div class='item' style='padding:45% 0;text-align:center;font-size:11px;color:#666666;'><center><img width='16' height='16' src='loading.gif'><br>Loading</center></div>").fadeIn('swing');
                }

                // function to show the feed list 
                function loadData(){   
                    $.ajax
                    ({
                        type: "POST",
                        //url: "blog/wp-content/plugins/visitor_stat/stats-operations.php",
                      url: "/blog/wp-admin/admin.php?page=visitor_stat/stats-operations.php",                     
                        data: "type=all",
                        success: function(msg)
                        {
                            alert(msg);
                            part = msg.split('#');
                            $("#todays_visit").ajaxComplete(function(event, request, settings)
                            {
                                $("#todays_visit").html(part[0]);
                            });
                            $("#overall_visit").ajaxComplete(function(event, request, settings)
                            {
                                $("#overall_visit").html(part[1]);
                            });
                            $("#todays_visit_plus").ajaxComplete(function(event, request, settings)
                            {
                                $("#todays_visit_plus").val(part[2]);
                            });

                            $("#overall_visit_plus").ajaxComplete(function(event, request, settings)
                            {
                                $("#overall_visit_plus").val(part[3]);
                            });
                            $("#popupDatepicker").ajaxComplete(function(event, request, settings)
                            {
                                $("#popupDatepicker").val(part[4]);
                            });

                        }
                    });



                }

                function saveData(){
                    $.ajax
                    ({
                        type: "POST",
                        url: "/blog/wp-admin/admin.php?page=visitor_stat/stats-operations.php",
                       //url: "blog/wp-content/plugins/visitor_stat/stats-operations.php",
                        data: "type=save&d1="+d1+"&d2="+d2+"&d3="+d3,
                        success: function(msg)
                        {
                            alert(msg);
                            loadData();
                            $("#msg_save").ajaxComplete(function(event, request, settings)
                            {
                                $("#msg_save").html(msg);
                                setTimeout('',10000);
                                $("#msg_save").html('&nbsp;').fadeIn('swing');

                            });

                        }
                    });



                }

                loadData();  // For first time page load default results

                $('#save').live('click',function(){
                    d1=$('#todays_visit_plus').val();
                    d2=$('#overall_visit_plus').val();
                    d3=$('#popupDatepicker').val();
                    saveData(d1,d2,d3);

                }); 



            });

但是當我在wordpress admin中運行該文件時,它顯示了admin.php的內部服務器錯誤?page = visitor_stat / stats-operations.php / blog / wp-admin並且它沒有加載ajax頁面

我試了好幾次,但找不到解決辦法。 我認為這個問題可能有正確的解決方案。 任何人都可以幫我解決這個問題。

顯然,ajax函數URL:POST不起作用。 提前謝謝解決這個問題

WordPress環境

首先,為了完成這項任務,建議注冊然后將jQuery腳本排入隊列,將腳本推送到服務器。 這些操作將掛鈎在wp_enqueue_scripts動作鈎子中。 在同一個鈎子中你應該把它用於包含任意Javascript的wp_localize_script 通過這種方式,前端將有一個JS對象。 該對象繼續使用jQuery句柄使用的正確url。

請看看:

  1. wp_register_script(); 功能
  2. wp_enqueue_scripts掛鈎
  3. wp_enqueue_script(); 功能
  4. wp_localize_script(); 功能

將這些函數添加到插件文件中。

add_action( 'wp_enqueue_scripts', 'so_enqueue_scripts' );
function so_enqueue_scripts(){
  wp_register_script( 'ajaxHandle', get_template_directory_uri() . 'PATH TO YOUR SCRIPT FILE', array(), false, true );
  wp_enqueue_script( 'ajaxHandle' );
  wp_localize_script( 'ajaxHandle', 'ajax_object', array( 'ajaxurl' => admin_url( 'admin-ajax.php' ) ) );
}

文件:jquery.ajax.js

該文件進行ajax調用。

jQuery(document).ready( function($){
  //Some event will trigger the ajax call, you can push whatever data to the server, simply passing it to the "data" object in ajax call
  $.ajax({
    url: ajax_object.ajaxurl, // this is the object instantiated in wp_localize_script function
    type: 'POST',
    action: 'myaction' // this is the function in your functions.php that will be triggered
    data:{ 
      name: 'John',
      age: '38'
    },
    success: function( data ){
      //Do something with the result from server
      console.log( data );
    }
  });
});

最后在你的插件文件中應該有你的ajax調用觸發的函數。 記住后綴:

  1. wp_ajax(僅允許注冊用戶或管理面板操作的功能)
  2. wp_ajax_nopriv(允許無特權用戶的功能)

這些后綴加上操作組成了您的操作名稱:

wp_ajax_myactionwp_ajax_nopriv_myaction

add_action( 'wp_ajax_myaction', 'so_wp_ajax_function' );
add_action( 'wp_ajax_nopriv_myaction' 'so_wp_ajax_function' );
function so_wp_ajax_function(){
  //DO whatever you want with data posted
  //To send back a response you have to echo the result!
  echo $_POST['name'];
  echo $_POST['age'];
  wp_die(); // ajax call must die to avoid trailing 0 in your response
}

希望能幫助到你!

如果有什么不清楚,請告訴我。

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