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var userInfo = {userId:"kazaff", md5:""}; //用户会话信息
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var chunkSize = 5000 * 1024; //分块大小
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var uniqueFileName = null; //文件唯一标识符
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var md5Mark = null;
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var backEndUrl = "{:U('File/shard_upload',array('type'=>1,'session_id'=>session_id()))}";
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WebUploader.Uploader.register({
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"before-send-file" : "beforeSendFile",
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"before-send" : "beforeSend",
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"after-send-file" : "afterSendFile"
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}, {
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beforeSendFile: function(file){
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//秒传验证
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if (file['source']['ext'] === 'zip' || file['source']['ext'] === 'rar') {
|
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var task = new $.Deferred();
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var start = new Date().getTime();
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(new WebUploader.Uploader()).md5File(file, 0, 10*1024*1024).progress(function(percentage){
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|
//console.log(percentage);
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}).then(function(val){
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//console.log("总耗时: "+((new Date().getTime()) - start)/1000);
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md5Mark = val;
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|
|
userInfo.md5 = val;
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$.ajax({
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type: "POST"
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, url: backEndUrl
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, data: {status: "md5Check", md5: val}
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|
|
, cache: false
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|
|
, timeout: 1000 //todo 超时的话，只能认为该文件不曾上传过
|
|
|
, dataType: "json"
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|
|
}).then(function(data, textStatus, jqXHR){
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|
|
alert(data.chunk);
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|
|
//console.log(data);
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|
|
if(data.ifExist){ //若存在，这返回失败给WebUploader，表明该文件不需要上传
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|
|
task.reject();
|
|
|
uploader.skipFile(file);
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|
|
file.path = data.path;
|
|
|
}else{
|
|
|
task.resolve();
|
|
|
//拿到上传文件的唯一名称，用于断点续传
|
|
|
uniqueFileName = md5(''+userInfo.userId+file.name+file.type+file.lastModifiedDate+file.size);
|
|
|
}
|
|
|
}, function(jqXHR, textStatus, errorThrown){ //任何形式的验证失败，都触发重新上传
|
|
|
task.resolve();
|
|
|
//拿到上传文件的唯一名称，用于断点续传
|
|
|
uniqueFileName = md5(''+userInfo.userId+file.name+file.type+file.lastModifiedDate+file.size);
|
|
|
});
|
|
|
});
|
|
|
return $.when(task);
|
|
|
}
|
|
|
}
|
|
|
, beforeSend: function(block){
|
|
|
//分片验证是否已传过，用于断点续传
|
|
|
if (block['file']['source']['ext'] === 'zip' || block['file']['source']['ext'] === 'rar') {
|
|
|
var task = new $.Deferred();
|
|
|
$.ajax({
|
|
|
type: "POST"
|
|
|
, url: backEndUrl
|
|
|
, data: {
|
|
|
status: "chunkCheck"
|
|
|
, name: uniqueFileName
|
|
|
, chunkIndex: block.chunk
|
|
|
, size: block.end - block.start
|
|
|
}
|
|
|
, cache: false
|
|
|
, timeout: 1000 //todo 超时的话，只能认为该分片未上传过
|
|
|
, dataType: "json"
|
|
|
}).then(function(data, textStatus, jqXHR){
|
|
|
if(data.ifExist){ //若存在，返回失败给WebUploader，表明该分块不需要上传
|
|
|
task.reject();
|
|
|
}else{
|
|
|
task.resolve();
|
|
|
}
|
|
|
}, function(jqXHR, textStatus, errorThrown){ //任何形式的验证失败，都触发重新上传
|
|
|
task.resolve();
|
|
|
});
|
|
|
return $.when(task);
|
|
|
}
|
|
|
}
|
|
|
, afterSendFile: function(file){
|
|
|
if (file['source']['ext'] === 'zip' || file['source']['ext'] === 'rar') {
|
|
|
var chunksTotal = 0;
|
|
|
if((chunksTotal = Math.ceil(file.size/chunkSize)) > 1){
|
|
|
//合并请求
|
|
|
var task = new $.Deferred();
|
|
|
$.ajax({
|
|
|
type: "POST"
|
|
|
, url: backEndUrl
|
|
|
, data: {
|
|
|
status: "chunksMerge"
|
|
|
, name: uniqueFileName
|
|
|
, chunks: chunksTotal
|
|
|
, ext: file.ext
|
|
|
, md5: md5Mark
|
|
|
}
|
|
|
, cache: false
|
|
|
, dataType: "json"
|
|
|
}).then(function(data, textStatus, jqXHR){
|
|
|
//todo 检查响应是否正常
|
|
|
task.resolve();
|
|
|
file.path = data.path;
|
|
|
$("#file_name").val(data.name);
|
|
|
$("#file_url").val(data.path+'/'+data.name);
|
|
|
$("#file_size").val(file.size);
|
|
|
}, function(jqXHR, textStatus, errorThrown){
|
|
|
task.reject();
|
|
|
});
|
|
|
return $.when(task);
|
|
|
}else{
|
|
|
//UploadComlate(file);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}); |