http.go
func (req *Request) AppendBodyString(s string) {
	req.RemoveMultipartFormFiles()
	req.closeBodyStream()
	req.bodyBuffer().WriteString(s)
}
func (req *Request) AppendBodyString(s string) {
	req.RemoveMultipartFormFiles()
	req.closeBodyStream()
	req.bodyBuffer().WriteString(s)
}
func ( req * Request ) AppendBodyString ( s string ) { req . RemoveMultipartFormFiles ( ) req . closeBodyStream ( ) req . bodyBuffer ( ) . WriteString ( s ) }
// AppendBodyString appends s to request body.
AppendBodyString appends s to request body .