fix(net/goai): change default value of RequestBody.Required from true to false, add required tag support for RequestBody (#3796)

os/glog/glog_logger.go

@@ -355,11 +355,19 @@ func (l *Logger) getFpFromPool(ctx context.Context, path string) *gfpool.File {
 
 // printStd prints content `s` without stack.
 func (l *Logger) printStd(ctx context.Context, level int, values ...interface{}) {
+	// nil logger, print nothing
+	if l == nil {
+		return
+	}
 	l.print(ctx, level, "", values...)
 }
 
 // printErr prints content `s` with stack check.
 func (l *Logger) printErr(ctx context.Context, level int, values ...interface{}) {
+	// nil logger, print nothing
+	if l == nil {
+		return
+	}
 	var stack string
 	if l.config.StStatus == 1 {
 		stack = l.GetStack()

os/glog/glog_logger_api.go

@@ -142,5 +142,9 @@ func (l *Logger) Criticalf(ctx context.Context, format string, v ...interface{})
 
 // checkLevel checks whether the given `level` could be output.
 func (l *Logger) checkLevel(level int) bool {
+	// nil logger, print nothing
+	if l == nil {
+		return false
+	}
 	return l.config.Level&level > 0
 }