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laravel下 jquery-from 上传图片立即显示

2017-06-19 11:54 274 查看 
<style>
.btn{position: relative;overflow: hidden;margin-right: 4px;display:inline-block;
*display:inline;padding:4px 10px 4px;font-size:14px;line-height:18px;
*line-height:20px;color:#fff;
text-align:center;vertical-align:middle;cursor:pointer;background:#5bb75b;
border:1px solid #cccccc;border-color:#e6e6e6 #e6e6e6 #bfbfbf;
border-bottom-color:#b3b3b3;-webkit-border-radius:4px;
-moz-border-radius:4px;border-radius:4px;}
.btn input{position: absolute;top: 0; right: 0;margin: 0;border:solid transparent;
opacity: 0;filter:alpha(opacity=0); cursor: pointer;}
.progress{position:relative; margin-left:100px; margin-top:-24px;
width:200px;padding: 1px; border-radius:3px; display:none}
.bar {background-color: green; display:block; width:0%; height:20px;
border-radius:3px; }
.percent{position:absolute; height:20px; display:inline-block;
top:3px; left:2%; color:#fff }
.files{height:22px; line-height:22px; margin:10px 0}
.delimg{margin-left:20px; color:#090; cursor:pointer}
</style>
<script type="text/javascript" src="{{asset('lib/jquery-form.js')}}"></script>
<body>
<div class="btn">
<span>添加附件</span>
<input id="fileupload" type="file" name="mypic">
</div>
<div class="progress">
<span class="bar"></span><span class="percent">0%</span >
</div>
<div class="files"></div>
<div id="showimg"></div>
</body>
<script>
$(function () {
var bar = $('.bar');
var percent = $('.percent');
var showimg = $('#showimg');
var progress = $(".progress");
var files = $(".files");
var btn = $(".btn span");
$("#fileupload").wrap("<form id='myupload' action='{{route('consultList')}}' method='post'enctype='multipart/form-data'></form>");
$("#fileupload").change(function(){ //选择文件
$("#myupload").ajaxSubmit({
dataType:  'json', //数据格式为json
beforeSend: function() { //开始上传
showimg.empty(); //清空显示的图片
progress.show(); //显示进度条
var percentVal = '0%'; //开始进度为0%
bar.width(percentVal); //进度条的宽度
percent.html(percentVal); //显示进度为0%
btn.html("上传中..."); //上传按钮显示上传中
},
uploadProgress: function(event, position, total, percentComplete) {
var percentVal = percentComplete + '%'; //获得进度
bar.width(percentVal); //上传进度条宽度变宽
percent.html(percentVal); //显示上传进度百分比
},
success: function(data) { //成功
//获得后台返回的json数据，显示文件名，大小，以及删除按钮
files.html("<b>"+data.name+"("+data.size+"k)</b><span class='delimg' rel='"+data.pic+"'>删除</span>");
//显示上传后的图片
var img = "http://laravel/upload/"+data.pic;
showimg.html("<img src='"+img+"'>");
btn.html("添加附件"); //上传按钮还原
},
error:function(xhr){ //上传失败
btn.html("上传失败");
bar.width('0');
files.html(xhr.responseText); //返回失败信息
}
});
});
});

$(function () {
$(".delimg").live('click',function(){
var pic = $(this).attr("rel");
$.post("{{route('consultList')}}?act=delimg",{imagename:pic},function(msg){
if(msg==1){
files.html("删除成功.");
showimg.empty(); //清空图片
progress.hide(); //隐藏进度条
}else{
alert(msg);
}
});
});
});

</script>

                                            

                                        

                        
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