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解决断点续传返回416的问题

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This commit is contained in:
xiongziliang 2017-05-05 23:54:30 +08:00
parent ae4c724005
commit ca54cb9d31
2 changed files with 6 additions and 1 deletions
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5
src/Http/HttpDownloader.cpp
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@ -34,6 +34,11 @@ void HttpDownloader::startDownload(const string& url, const string& filePath,boo
} }
if(bAppend){ if(bAppend){
auto currentLen = ftell(_saveFile); auto currentLen = ftell(_saveFile);
if(currentLen){
//最少续传一个字节，怕遇到http 416的错误
currentLen -= 1;
fseek(_saveFile,-1,SEEK_CUR);
}
addHeader("Range", StrPrinter << "bytes=" << currentLen << "-" << endl); addHeader("Range", StrPrinter << "bytes=" << currentLen << "-" << endl);
} }
setMethod("GET"); setMethod("GET");

2
src/Http/HttpDownloader.h
View File

@ -16,7 +16,7 @@ namespace Http {
class HttpDownloader: public HttpClientImp { class HttpDownloader: public HttpClientImp {
public: public:
typedef std::shared_ptr<HttpDownloader> Ptr; typedef std::shared_ptr<HttpDownloader> Ptr;
typedef std::function<void(int code,const char *errMsg,const char *filePath)> onDownloadResult; typedef std::function<void(ErrCode code,const char *errMsg,const char *filePath)> onDownloadResult;
HttpDownloader(); HttpDownloader();
virtual ~HttpDownloader(); virtual ~HttpDownloader();
//开始下载文件,默认断点续传方式下载 //开始下载文件,默认断点续传方式下载