php+ajax+h5实现ajax图片上传

html页面代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script type="text/javascript" src="__PUBLIC__/home/js/jquery-1.11.0.js"></script>

</head>
<body>
<form class="form-horizontal" role="form" id="myForm"
      action="/index/fileupsend" method="post"
      enctype="multipart/form-data">

    选择文件:<input type="file" id="file1" /><br />
    <input type="button" id="upload" value="上传" />
    <span id="imgWait"></span>
</form>
<script>
    $(function () {
        $("#upload").click(function () {
            $("#imgWait").html("上传中");
            var formData = new FormData();
            formData.append("myfile", document.getElementById("file1").files[0]);
            $.ajax({
                url: "/Home/index/fileupsend",
                type: "POST",
                data: formData,
                /**
                 *必须false才会自动加上正确的Content-Type
                 */
                contentType: false,
                /**
                 * 必须false才会避开jQuery对 formdata 的默认处理
                 * XMLHttpRequest会对 formdata 进行正确的处理
                 */
                processData: false,
                success: function (data) {
                   if(data){
                        alert("上传成功！");
                   }
                    $("#imgWait").html("上传成功");

                },
                error: function () {
                    alert("上传失败！");
                    $("#imgWait").hide();
                }
            });
        });
    });
</script>
</body>
</html>
php代码
public function fileupsend(){
    $type_pic = $this->file_upload('1',array('jpg', 'gif', 'png', 'jpeg'),'filetest','myfile');
    echo $type_pic['img_path'];

}
 

posted on 2017-10-27 15:43  guoke1970s  阅读(284)  评论(0)  编辑  收藏  举报

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