H5图片上传示例

HTML

CSS

JavaScript

HTML

<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no" />
<title>图片上传 - 光年(Light Year Admin)后台管理系统模板</title>
<link rel="icon" href="favicon.ico" type="image/ico">
<meta name="keywords" content="LightYear,光年,后台模板,后台管理系统,光年HTML模板">
<meta name="description" content="LightYear是一个基于Bootstrap v3.3.7的后台管理系统的HTML模板。">
<meta name="author" content="yinqi">
<link href="http://lyear.itshubao.com/iframe/css/bootstrap.min.css" rel="stylesheet">
<link href="http://example.itshubao.com/demo/css/materialdesignicons.min.css" rel="stylesheet">
<link href="http://lyear.itshubao.com/iframe/css/animate.css" rel="stylesheet">
<link href="http://lyear.itshubao.com/iframe/css/style.min.css" rel="stylesheet">
</head>
  
<body>
<div class="container-fluid p-t-15">
  
  <div class="row">
    <div class="col-lg-12">
      <div class="card">
        <div class="card-header"><h4>图片上传</h4></div>
        <div class="card-body">
          <p>这里采用FormData实现上传效果，示例为单张图片上传。</p>
          <form action="#!" method="post" name="edit-form" class="edit-form">
            <div class="form-group file-group">
              <label for="web_site_logo">LOGO图片</label>
              <div class="input-group">
                <input type="text" class="form-control file-value" name="web_site_logo" value="" placeholder="LOGO图片地址" />
                <input type="file" accaccept=".png,.jpg,.jpeg,.bmp,.gif" class="hidden" />
                <div class="input-group-btn">
                  <button class="btn btn-default file-browser" type="button">上传图片</button>
                </div>
              </div>
            </div>
          </form>
          
        </div>

      </div>
    </div>
    
  </div>
  
</div>

<script type="text/javascript" src="http://lyear.itshubao.com/iframe/js/jquery.min.js"></script>
<script type="text/javascript" src="http://lyear.itshubao.com/iframe/js/bootstrap.min.js"></script>
<script src="http://lyear.itshubao.com/iframe/js/bootstrap-notify.min.js"></script>
<script type="text/javascript" src="http://lyear.itshubao.com/iframe/js/lightyear.js"></script>
<script type="text/javascript" src="http://lyear.itshubao.com/iframe/js/main.min.js"></script>
</body>
</html>

CSS

JavaScript

$(document).ready(function() {
    $(document).on('click', '.file-browser', function() {
        var $browser = $(this);
        var file = $browser.closest('.file-group').find('[type="file"]');
        file.on( 'click', function(e) {
            e.stopPropagation();
        });
        file.trigger('click');
    });
    
    $(document).on('change', '.file-group [type="file"]', function() {
        var $this    = $(this);
        var $input   = $(this)[0];
        var $len     = $input.files.length;
        var formFile = new FormData();
        
        if ($len == 0) {
            return false;
        } else {
            var fileAccaccept = $this.attr('accaccept');
            var fileType      = $input.files[0].type;
            var type          = (fileType.substr(fileType.lastIndexOf("/") + 1)).toLowerCase();
            
            if (!type || fileAccaccept.indexOf(type) == -1) {
                lightyear.notify('您上传图片的类型不符合(.jpg|.jpeg|.gif|.png|.bmp)', 'danger', 1000);
                return false;
            }
            formFile.append("file", $input.files[0]);
        }
        
        var data = formFile;
        lightyear.loading('show');
        
        $.ajax({
            url: 'http://example.itshubao.com/index/test/upload',
            data: data,
            type: "POST",
            dataType: "json",
            //上传文件无需缓存
            cache: false,
            //用于对data参数进行序列化处理 这里必须false
             processData: false,
            //必须
            contentType: false, 
            success: function (res) {
                lightyear.loading('hide');
                if (res.status === 1) {
                    $this.closest('.file-group').find('.file-value').val(res.url);
                } else {
                    lightyear.notify(res.info, 'danger', 3000);
                }
            },
        });
    });
});