php+ajax+h5 implements image upload function-PHP Tutorial-php.cn

php+ajax+h5 implements image upload function

墨辰丷

Release： 2023-03-26 11:38:01

Original

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This article mainly introduces the ajax image upload function of php ajax h5 in detail, which has certain reference value. Interested friends can refer to it

The specific content is as follows

html page code

<!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>

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php code

public function fileupsend(){
  $type_pic = $this->file_upload(&#39;1&#39;,array(&#39;jpg&#39;, &#39;gif&#39;, &#39;png&#39;, &#39;jpeg&#39;),&#39;filetest&#39;,&#39;myfile&#39;);
  echo $type_pic[&#39;img_path&#39;];

}

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