我正在使用 LibCurl(使用 SSL)从 API 中检索 XML。但它给出了一个错误代码(9),我不知道它代表什么。谁能指出我的解决方案?
代码片段:
if(success)
{
tinyxml2::XMLDocument doc;
//Parse doc and check returncode
int returnCode = doc.Parse((const char*)answer.c_str());
if(returnCode == 0)
{
...
字符串答案的内容:
answer "<?xml version="1.0" encoding="utf-8"?><response><retrieval_state>PE</retrieval_state><extension>.wav</extension><created>2012-05-21 16:22:58.080142</created><retrieval_log> </retrieval_log><download_url>https://com-samplesumo-api-production-files.s3.amazonaws.com/22/ff/db/22/22ffdb22-a38b-11e1-8079-fefdb24fa184.wav?Signature=jKjxnXt29atJsE0r%2BMLGvnsm1Cg%3D&Expires=1337636278&AWSAccessKeyId=AKIAJFTECP76EXJQW7EQ</download_url><file_uuid>22ffdb22-a38b-11e1-8079-fefdb24fa184</file_uuid><original_filename>911.wav</original_filename></response>0" std::basic_string<char,std::char_traits<char>,std::allocator<char> >