Question

我有一个通过ajax向服务器提交值的表单。

<form>
<input id="titlee" name="titlee">
<input type="file" name="fileToUpload" id="fileToUpload">
<button  type="submit" value="submit" id="submit" name="submit">Start</button>
<div class="progress"></div>
</form>

脚本

<script type="text/javascript">
$(function() 
    {
        $("#submit").click(function() 
            {
                var titlee = $("#titlee").val();
                var fileToUpload= $("#fileToUpload").val();

                var dataString = 'titlee='+ titlee + '&fileToUpload=' + fileToUpload;

                $.ajax(
                    {
                        type: "POST",
                        url: "c_insert_test.php",
                        data: dataString,
                        success: function()
                    });

                return false;
            });
    });
</script>

c_insert_test.php

   <?php
    $titlee = $_POST['titlee'];
    $target_dir = "reqdoc/";
    $target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
    $uploadOk = 1;
    $imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);

    $new_filename = $target_dir . uniqid() . '.' . $imageFileType;
    if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $new_filename))
        {   
            $filee = $new_filename;
            // insert query to insert the image path and other parameters in the table
        }
    else
        {
            echo "false";
        }
     ?>

对于进度条，我在这里有代码at this jsfiddle

我希望在参数和图像通过表单上传到服务器时显示进度条。但是我无法将进度条与ajax合并，任何人都可以告诉我如何合并这两个代码以便我可以显示进度条并将图像上传到服务器文件夹

Answer 1

我会按你的方式给你 What is the cleanest way to get the progress of JQuery ajax request?

<强> JQuery的

$(function() 
{
    $("#submit").click(function() 
    {
        var titlee = $("#titlee").val();
        var wtag = $("#wtag").val();

        var dataString = 'titlee='+ titlee + '&wtag=' + wtag ;

        $.ajax({
            xhr: function () {
                var xhr = new window.XMLHttpRequest();
                xhr.upload.addEventListener("progress", function (evt) {
                    if (evt.lengthComputable) {
                        if (evt.lengthComputable) {
                            var percentComplete = evt.loaded / evt.total;
                            console.log(percentComplete);
                            $('.progress').css({
                                width: percentComplete * 100 + '%'
                            });
                            if (percentComplete === 1) {
                                $('.progress').addClass('hide');
                            }
                        }
                    }
                }, false);

                xhr.addEventListener("progress", function (evt) {
                    if (evt.lengthComputable) {
                        var percentComplete = evt.loaded / evt.total;
                        console.log(percentComplete);
                        $('.progress').css({
                            width: percentComplete * 100 + '%'
                        });
                    }
                }, false);

                return xhr;
            },
            type: 'POST',
            url: "c_insert_test.php",
            data: dataString,
            success: function (data) {
                //Do something on success
            }
        });

        return false;
    });
});

<强> CSS

.progress {
    display: block;
    text-align: center;
    width: 0;
    height: 3px;
    background: red;
    transition: width .3s;
}
.progress.hide {
    opacity: 0;
    transition: opacity 1.3s;
}

这可以是一个合适的解决方案。

当php脚本通过ajax运行时显示进度条

1 个答案: