来自  资质荣誉 2019-09-22 07:26 的文章
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笔录一下

HTML:

<div class="form-group">    <label class="col-sm-1 control-label no-padding-right" for="form-field-4"> 图片: </label>    <div class="col-sm-9">        <input type="file" name="files" id="imgfile" multiple style="display:none;" onchange = "imgpath.value=this.value" >        <input type="textfield" id="imgpath" style="border: 0px;outline:none;cursor: pointer;width:100px;display:none;">        <input type="button" class="btn btn-white btn-info btn-sm" value="点击上传图片" onclick="imgfile.click()">        <div class="space-4"></div>        <div id="img-data" class="img-data">            <if condition="$data['savepath'] neq ''">                                    <img src="{$data['savepath']}" style="max-width: 300px;">                    <input type="hidden" name="img" value="{$data['img']}">                    <a class="remove-uploadimg" title="删除">✕</a>                            </if>        </div>        <div class="space-4"></div>        <div id="imgError" class="msg"></div>    </div></div>

CSS:

<style>    .remove-uploadimg{ cursor:pointer;}    .uploadimg{        display: inline-block;        position: relative;    }    .uploadimg .remove-uploadimg{        position: absolute;        font-size: 20px;        top:-10px;        right: -6px;    }    .remove-uploadimg{        width:30px;        height:30px;        background-color:#ccc;        border-radius:50%;        color:red;        text-align:center;    }    .remove-uploadimg:hover{        text-decoration: none;    }</style>

JS:

<script src="__PUBLIC__/js/mbUploadify.js"></script><script>    var upload1 = new mbUploadify({        file: document.getElementById('imgfile'),        /*ajax 上传地址*/        url: "{:U('Upload/mbUploadImg')}",        //上传进度        progress: function(){            $('#imgpath').show();            $('#imgpath').val('上传中...');        },        /*上传失败*/        error: function(file, msg){            document.getElementById('imgError').innerHTML = msg;        },        /*ajax上传成功*/        uploadSuccess: function{            $('#imgpath').hide();            $('#imgpath').val('');            var data = JSON.parse;            document.getElementById('img-data').innerHTML = '' +                    '<img src="'+ data.savepath +'" style="max-width: 300px;">' +                    '<input type="hidden" name="img" value="'+data.id+'">'+                    '<a  title="删除">✕</a>' +                    '';        }    });    $('body').on('click','.remove-uploadimg',function(){        $(this).parents('.uploadimg').remove</script>

PHP:

public function mbUploadImg(){    $upload = new Upload(); // 实例化上传类    $upload->maxSize = 5242880 ; // 设置附件上传大小    $upload->exts = array('jpg', 'gif', 'png', 'jpeg'); // 设置附件上传类型    $upload->rootPath =  './Public/';    // 上传文件    $info = $upload->uploadOne($_FILES['files']);    if($info) {        // 上传成功        $data['name'] = $info['name'];        $data['ext'] = $info['ext'];        $data['type'] = $info['type'];        $data['savename'] = $info['savename'];        $data['savepath'] = "/Public/".$info['savepath'].$info['savename'];        $imgId = M('upload_img')->add($data);        if($imgId){            $resData['code'] = 200;            $resData['msg'] = '成功';            $resData['id'] = $imgId;            $resData['name'] = $data['name'];            $resData['savepath'] = $data['savepath'];            echo json_encode($resData);            return;        }    }    // 上传错误提示错误信息    return $this->ajaxReturn(['code'=>400,'msg'=>$upload->getError;}

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