MaterialUploadApacheHttpRequestExecutor手动设置的Content-Type请求头没有boundary,是一个非标准的文件上传请求头,虽然微信提供了对这类非标准请求的支持,但如果请求需要先经过我们的tomcat server,那么都会报错:the request was rejected because no multipart boundary was found。不设置Content-Type请求头,httpclient将会自动设置,值为entity的getContentType方法返回值。MultipartFormEntity的getContentType方法将会返回boundary
MaterialUploadApacheHttpRequestExecutor手动设置的Content-Type请求头没有boundary,是一个非标准的文件上传请求头,虽然微信提供了对这类非标准请求的支持,但如果请求需要先经过我们的tomcat server,那么都会报错:the request was rejected because no multipart boundary was found。不设置Content-Type请求头,httpclient将会自动设置,值为entity的getContentType方法返回值。MultipartFormEntity的getContentType方法将会返回boundary