php+ajax+h5实现图片上传功能

本文实例为大家分享了php实现ajax图片上传的具体代码,供大家参考,具体内容如下

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'];

}

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

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