用JS 七牛上传图片出现文件已存在的错误（file exists）,可明明是第一次上传，而且我有更改key值，如果把本地文件名改了就又不会报错了
用官方的demo也会报错http://jssdk.demo.qiniu.io/#
var uploader_pub = Qiniu.uploader({
runtimes: 'html5,flash,html4',
browse_button: 'public_pickfiles',
container: 'container',
drop_element: 'public_pickfiles',
max_file_size: '15mb',
flash_swf_url: 'bower_components/plupload/js/Moxie.swf',
dragdrop: true,
max_retries:3,
chunk_size: '4mb',
multi_selection: !(mOxie.Env.OS.toLowerCase()==="ios"),
uptoken_func: function(){
},
multi_selection: true,
unique_names: false,
save_key: false,
domain: $('#public_domain').val(),
get_new_uptoken: false,
auto_start: false,
//unique_names: true, //设置所有文件名唯一
filters: {
mime_types : [ //只允许上传图片
{ title : "Image files", extensions : "jpg,jpeg,gif,png" },
],
prevent_duplicates : false //不允许选取重复文件
},
log_level: 5,
init: {
'Key': function(up, file) {
var now = new Date();
var date = now.getFullYear()+((now.getMonth()+1)<10?"0":"")+(now.getMonth()+1)+(now.getDate()<10?"0":"")+now.getDate();
var lastimg="work/"+date+"/"+getFileName(file.name);
return lastimg;
},
'FileUploaded': function(up, file, info) {
var progress = new FileProgress(file, 'public_fs');
info = eval('('+info+')');
var imgKey = encodeURI($("#public_domain").val()+info.key);
imageFile.push({image:imgKey+"",isLayer:false})
coverHash.push({hash:info.hash,key:info.key})
},
'FilesAdded': function(up, files) {
plupload.each(files,function(file,index) {
var tempArr = file.name.split(".");
var ext;
if (tempArr.length === 1 || (tempArr[0] === "" && tempArr.length === 2)) {
ext = "";
} else {
ext = tempArr.pop().toLowerCase( ); //get the extension and make it lower-case
}
var now = new Date();
var date = now.getFullYear()+((now.getMonth()+1)<10?"0":"")+(now.getMonth()+1)+(now.getDate()<10?"0":"")+now.getDate();
var keyName="work/"+date+"/"+getTimeHSS()+"/"+index+"."+ext;
file.name=keyName;
var reader = new FileReader();
reader.readAsDataURL(files[0].getNative());
reader.onload = (function (e) {
var image = new Image();
image.src = e.target.result;
image.onload = function (){
file.width = this.width;
file.height = this.height;
};
});
});
//图片上传前预览
for (var i = 0; i < files.length; i++) {
var fileItem = files[i].getNative(),
url = window.URL || window.webkitURL || window.mozURL;
var src = url.createObjectURL(fileItem);
var tmpl = '<li style="background-image:url(#url#)" data-name='+files[i].name+' data-url="#url#"><p class="cancer_img"></p></li>';
$(".public_add_more").before($(tmpl.replace(/#url#/ig, src)));
}
if($('#public_fs li').length>0){
$('#public_fs').removeClass('img_area_back');
$('.public_add_more').css('display','block');
}
if($('#public_fs li').length>=9){
$('.public_add_more').css('display','none');
}
var sss = uploader_pub.files;
console.log(sss)
if(sss.length>9) { // 最多上传9张图
swal({
text: '最多只能上传9张图',
showConfirmButton:false,
target:'.mySwl_box',
width:'auto',
timer:1000,
animation:false,
}).catch(swal.noop)
var i = 0;
$('#public_fs li').each(function(){
i++
})
uploader_pub.files.splice(9,uploader_pub.files.length)
if (i>8) {
$("#public_fs li:gt(8)").remove();
}
return;
}else{
isRepeat(sss)
}
function isRepeat(arr){
for( var i=0;i<arr.length;i++) {
for(var j=i+1;j<arr.length;j++) {
if (arr[i].name==arr[j].name) {
swal({
text: '图片重复',
showConfirmButton:false,
target:'.mySwl_box',
width:'auto',
timer:1000,
animation:false,
}).catch(swal.noop)
uploader_pub.removeFile(uploader_pub.files[j])
$("#public_fs li").eq(j).remove();
i--;
}
}
}
return arr;
}
// function isRepeat(arr){
// var hash = {};
// for(var i in arr) {
// $.each(hash,function(index,main){
// if(hash[arr[i].name]){
// swal({
// text: '图片重复!',
// showConfirmButton:false,
// showLoaderOnConfirm:false,
// width:300,
// timer:1000
// })
// uploader_pub.removeFile(uploader_pub.files[i])
// $("#public_fs li").eq(i).remove();
// return;
// }else{
// console.log('没有重复发')
// }
// })
// hash[arr[i].name] = true;
// }
// return false;
// }
},
'UploadComplete': function() {
var images= JSON.stringify(imageFile)
// alert(coverHash[0])
console.log(imageFile)
var content = $('.public_add .emoji-wysiwyg-editor').text();
var str_content=content.replace(/ /ig,' ');
var userId = $('#reg_header_userId').val()
if(content.length>255){
$('.loading').css('display','none');
swal({
text:'表情描述不能超过255个字~',
showConfirmButton:false,
target:'.mySwl_box',
width:'auto',
timer:1000,
animation:false,
}).catch(swal.noop)
}else{
if (coverHash.length!=0 ) {
if(imageFile.length==1){
var coverHash_one=coverHash[0].hash;
$.ajax({
type:'post',
url:'/setting/cheackHash',
data:{hash:coverHash_one},
success:function(data){
if(data.code==200){
$('#pub_imageFile').val(images);
$('#pub_coverHash').val(coverHash_one);
cookieTopic(str_content)
$.ajax({
type:'post',
url:'/imgupload',
data:{content:str_content,imagedata:images,coverHash:coverHash_one},
success:function(data){
$('.loading').css('display','none');
if(data.code==200){
swal({
text:'发布成功~',
showConfirmButton:false,
target:'.mySwl_box',
width:'auto',
timer:1400,
animation:false,
}).catch(swal.noop)
//初始化
updataInit()
//初始化 end$('.created-topic').fadeOut('fast')
$('.fabu').fadeOut('fast')
window.location.href='/user/'+userId
}else{
coverHash =[];
imageFile = [];
uploader_pub.files.splice(0,uploader_pub.files.length);
$('.public_add_imgarea').find('.public_add_more').css('display','block')
$('.public_add_imgarea>li').remove();
swal({
text: data.msg,
showConfirmButton:false,
target:'.mySwl_box',
width:'auto',
timer:1000,
animation:false,
}).catch(swal.noop)
}
$('.loading').css('display','none');
}
});
}else{
$('.loading').css('display','none');
swal({
text:data.msg,
showConfirmButton:false,
target:'.mySwl_box',
width:'auto',
timer:1400,
animation:false,
}).catch(swal.noop)
//初始化
updataInit()
}
}//success
})
}else{
var coverHash_one=coverHash[0].hash;
$('#pub_imageFile').val(images);
$('#pub_coverHash').val(coverHash_one);
cookieTopic(str_content)
$.ajax({
type:'post',
url:'/imgupload',
data:{content:str_content,imagedata:images,coverHash:coverHash_one},
success:function(data){
if(data.code==200){
swal({
text:'发布成功~',
showConfirmButton:false,
target:'.mySwl_box',
width:'auto',
timer:1400,
animation:false,
}).catch(swal.noop)
//初始化
updataInit()
//初始化 end
$('.fabu').fadeOut('fast')
// window.location.href='/user/'+userId
}else{
coverHash =[];
imageFile = [];
uploader_pub.files.splice(0,uploader_pub.files.length);
$('.public_add_imgarea').find('.public_add_more').css('display','block')
$('.public_add_imgarea>li').remove();
swal({
text: data.msg,
showConfirmButton:false,
target:'.mySwl_box',
width:'auto',
timer:1000,
animation:false,
}).catch(swal.noop)
}
$('.loading').css('display','none');
}
});
}
} else{
$('.loading').css('display','none');
swal({
text: '请上传图片',
showConfirmButton:false,
target:'.mySwl_box',
width:'auto',
timer:1000,
animation:false,
}).catch(swal.noop)
}
}
},
'Error': function(up, err, errTip) {
$('.loading').css('display','none');
console.log(err)
}
}
});
可以看下这里：
https://github.com/qiniu/js-sdk