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<link rel="stylesheet" href="{pboot:sitetplpath}/layui/css/layui.css?v=v2.5.4">

<script type="text/javascript" src="{pboot:sitetplpath}/layui/layui.all.js?v=v2.5.4"></script>

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<div class="form-group">

    <label for="mobile">头 像</label>

    <div>

    <input type="text" name="ico" id="ico" placeholder="请上传缩略图"  class="layui-input">

    <button type="button" class="layui-btn upload" data-des="ico">

        <i class="layui-icon">?</i>上传图片

    </button>

    <div id="ico_box"></div>

    </div>

</div>

<script>

layui.use(['element','upload'], function(){

  var element = layui.element;

  var upload = layui.upload;

  //执行单图片实例

  var uploadInst = upload.render({

    elem: '.upload' //绑定元素

    ,url: '/index.php?p=/index/upload' //上传接口

    ,field: 'upload' //字段名称

    ,multiple: false //多文件上传

    ,accept: 'images' //接收文件类型 images（图片）、file（所有文件）、video（视频）、audio（音频）

    ,acceptMime: 'image/*'

    ,done: function(res){

       var item = this.item;

       layer.closeAll('loading'); //关闭loading

       if(res.code==1){

           $('#ico').val(res.data[0]);

           $('#ico_box').html("<img src='"+res.data[0]+"' width=80 >");

           layer.msg('上传成功！');

       }else{

           layer.msg('上传失败：'+res.data);

       }

    }

    ,error: function(){

        layer.closeAll('loading'); //关闭loading

        layer.msg('上传发生错误!');

    }

  });

});

</script>

查看源码

public function upload()

    {

        $upload = upload('upload');

        if (is_array($upload)) {

            json(1, $upload);

        } else {

            json(0, $upload);

        }

}