script/assets/lib/layui/upload.js

var upload_pic = [];
var upload_file = [];
var upload = [];
var showUploadE;
var showUploadUrl;
var showUploadType = 1;
var showUploadCall = false;
var showUploadThis = false;
var showUploadIndex = false;
//创建监听函数
 var xhrOnProgress=function(fun) {
    xhrOnProgress.onprogress = fun; //绑定监听
     //使用闭包实现监听绑
    return function() {
        //通过$.ajaxSettings.xhr();获得XMLHttpRequest对象
        var xhr = $.ajaxSettings.xhr();
         //判断监听函数是否为函数
          if (typeof xhrOnProgress.onprogress !== 'function')
               return xhr;
           //如果有监听函数并且xhr对象支持绑定时就把监听函数绑定上去
            if (xhrOnProgress.onprogress && xhr.upload) {
                  xhr.upload.onprogress = xhrOnProgress.onprogress;
            }
            return xhr;
     }
 }

function showUpload(i,e,key,url,assets)
{
	layui.use(['upload','layer','element'], function() {
		var html = '';
		var layer = layui.layer;
		var config = {
		  type: 0,
		  title: e.attr('value'),
		  shade: 0.1,
		  shadeClose : true,
		  content: html,
		  area: '800px'
		};
		e.click(function()
		{
			url = url.replace('save', 'view');
			showUploadE = e;
			showUploadType = 1;
			showUploadUrl = url;
			var cur = $('#' + showUploadE.attr('v')).val();
			$.getJSON(url, {json:1,key:key,cur:cur}, function(t)
			{
				config.content = t.data;
				showUploadIndex = layer.open(config);
			})
		})
	});
}

function editorShowUpload(cur, url, title, func, self)
{
	showUploadType = 2;
	showUploadCall = func;
	showUploadThis = self;
	layui.use(['upload','layer','element'], function() {
		var html = '';
		var layer = layui.layer;
		var config = {
		  type: 0,
		  title: title,
		  shade: 0.1,
		  shadeClose : true,
		  content: html,
		  area: '800px'
		};
		url = url.replace('save', 'view');
		showUploadUrl = url;
		$.getJSON(url, {json:1,cur:cur}, function(t)
		{
			config.content = t.data;
			showUploadIndex = layer.open(config);
		})
	});
}

function showUploadFilesSet(e, name, url, id)
{
	$('.layui-anim-yes').addClass('layui-anim-no');
	$('.layui-anim-yes').removeClass('layui-anim-yes');
	e.parent().removeClass('layui-anim-no');
	e.parent().addClass('layui-anim-yes');

	$('.file_cur').val(url);
	if (showUploadType == 1) {
		var value = showUploadE.attr('v');
		loadUploadSet(showUploadE, value, {name:name,url:url});
	} else if (showUploadType == 2) {
		showUploadCall.call(showUploadThis, url, name, id);
		if (showUploadIndex) {
			layer.close(showUploadIndex);
			showUploadIndex = false;
		} else {
			layer.closeAll();
		}
	}
}

function showUploadFilesSearch(e)
{
	var p = e.parent();
	var pg = p.find('.file_pg').val();
	var key = p.find('.file_key').val();
	var name = p.find('.file_filename').val();
	var tag = p.find('.file_tag').val();
	var cate = p.find('.file_cate').val();
	var cur = p.find('.file_cur').val();

	var url = showUploadUrl;

	showUploadFiles(url, name, key, cate, tag, cur, pg);
}

function showUploadFiles(url, name, key, cate, tag, cur, pg)
{
	if (!pg) {
		pg = 1;
	}
	$.getJSON(url, {json:1,key:key, name:name,cate:cate, tag:tag, pg:pg, cur:cur}, function(t)
	{
		var t = '<div>' + t.data + '</div>';
        html = $(t).find('#component-anim').html();
		$("#component-anim").html(html);
	})
}
function loadUpload(i,e,key,url,assets)
{
	var value = e.attr('v');
	if (typeof(upload[value]) != "undefined") {
		//return;
	}
	upload[value] = true;
	upload_pic[value] = [];
	upload_file[value] = [];

	var id = e.attr('id');
	layui.use(['upload','layer','element'], function() {
		var layer = layui.layer;
		var layuiUpload = layui.upload;
		var element = layui.element;
		var uploadInst = layuiUpload.render({
			elem: '#' + id
			,data: {'key' : key}
			,field: 'file'
			,url: url
			,multiple: true
			,accept:'file'
			,xhr:xhrOnProgress
			,progress:function(value){//上传进度回调 value进度值
				$('#' + id + '_progress').show();
			    element.progress(id + '_progress', value+'%')//设置页面进度条
			}
			,choose: function(obj){
				element.progress(id + '_progress', '0%')
				layer.load();
			}
			,done: function(data) {
				element.progress(id + '_progress', '0%')
				$('#' + id + '_progress').hide();
				layer.closeAll('loading');
				if (data.status == 1) {
					loadUploadSet(e,value,data);
				} else {
					element.progress(id + '_progress', '0%')
					layer.alert(data.message);
					return false;
				}
			}
			,error: function(){
				//请求异常回调
			}
		});
	});
}

function loadUploadSet(e,value,data)
{
	var mul = e.attr('mul');
	if (mul == 'yes') {
		if (e.attr('t') == 'file') {
			if (upload_file[value].length <= 0 && $("#" + value).val()) {
				upload_file[value] = $("#" + value).val().split(',');
			}

			var m = $('.' +value+'_mul');
			var i = m.find('li').eq(upload_file[value].length);
			if (i.length) {
				i.find('a').eq(0).html(data.name);
			} else {
				m.append('<li><a href="'+data.url+'" target="_blank" title="点此下载" >'+data.name+'</a>&nbsp;&nbsp;<a href="javascript:;" title="点此删除" style="color:red;" onclick="fileDel($(this), \''+value+'\')">[删除]</a></li>');
			}

			upload_file[value].push(data.url);

			$("#" + value).val(upload_file.join(','));
		} else {
			if (upload_pic[value].length <= 0 && $("#" + value).val()) {
				upload_pic[value] = $("#" + value).val().split(',');
			}
			var m = $('.' +value+'_mul');
			var i = m.find('img').eq(upload_pic[value].length);
			if (i.length) {
				i.attr('src', data.url);
			} else {
				m.append('<a href="javascript:;" title="点此删除" onclick="picDel($(this), \''+value+'\')"><img src="'+data.url+'" width="150" style="margin-left:5px;" alt="点此删除"/></a>');
			}
			upload_pic[value].push(data.url);
			$("#" + value).val(upload_pic[value].join(','));
		}
		
	} else {
		if (e.attr('t') == 'file') {
			
		} else {
			$('#show_'+value).attr('src',data.url).show();
			$('#show_'+value).unbind('click').bind('click', function()
			{
				picDel($(this), value, 1);
			})
		}
		$('#'+value).val(data.url);
	}
}

function picDel(e,v,s)
{
	if (confirm('确定要删除图片吗？')) {
		if (s == 1) {
			e.hide();
			$("#" + v).val('');
		} else {
			if (upload_pic[v].length <= 0 && $("#" + v).val()) {
				upload_pic[v] = $("#" + v).val().split(',');
			}
			var p = e.find('img').attr('src');
			e.remove();
			upload_pic[v].remove(p);
			$("#" + v).val(upload_pic[v].join(','));
		}
	}
}


function fileDel(e,v)
{
	if(confirm('确定要删除文件吗？'))
	{
		if(upload_file[v].length <= 0 && $("#" + v).val())
		{
			upload_file[v] = $("#" + v).val().split(',');
		}

		var parent = e.parent();
		var p = parent.find('a').eq(0).attr('href');
		
		parent.remove();
		upload_file[v].remove(p);
		//console.info(pic);
		$("#" + v).val(upload_file[v].join(','));
	}
}