结构体转map

structs/struct_to_map.go

@@ -0,0 +1,35 @@
+package structs
+
+import (
+	"reflect"
+)
+
+const tagName = "json"
+
+func ToMap(o any, opts ...optionFunc) map[string]any {
+	typ := reflect.TypeOf(o)
+
+	kind := typ.Kind()
+	if kind == reflect.Map {
+		if h, ok := o.(map[string]any); ok {
+			return h
+		}
+	}
+
+	opt := createOptions(opts)
+	val := reflect.ValueOf(o)
+	m := make(map[string]any)
+	for i := 0; i < val.NumField(); i++ {
+		fi := typ.Field(i)
+
+		field := getFieldOption(fi)
+		source := val.FieldByName(fi.Name)
+		if shouldIgnore(source, opt.IgnoreEmpty || field.omitEmpty && opt.Omitempty) {
+			continue
+		}
+
+		m[field.name] = source.Interface()
+	}
+
+	return m
+}