fix: change tracks to sync.Map to void dead lock

util/strutct.go

@@ -0,0 +1,101 @@
+package util
+
+import (
+	"errors"
+	"reflect"
+)
+
+// 构造器
+type Builder struct { // 用于存储属性字段
+	fileId []reflect.StructField
+}
+
+func NewBuilder() *Builder {
+	return &Builder{}
+}
+
+// 添加字段
+func (b *Builder) AddField(field string, typ reflect.Type) *Builder {
+	b.fileId = append(b.fileId, reflect.StructField{Name: field, Type: typ})
+	return b
+}
+
+// 根据预先添加的字段构建出结构体
+func (b *Builder) Build() *Struct {
+	stu := reflect.StructOf(b.fileId)
+	index := make(map[string]int)
+	for i := 0; i < stu.NumField(); i++ {
+		index[stu.Field(i).Name] = i
+	}
+	return &Struct{stu, index}
+}
+func (b *Builder) AddString(name string) *Builder {
+	return b.AddField(name, reflect.TypeOf(""))
+}
+func (b *Builder) AddBool(name string) *Builder {
+	return b.AddField(name, reflect.TypeOf(true))
+}
+func (b *Builder) AddInt64(name string) *Builder {
+	return b.AddField(name, reflect.TypeOf(int64(0)))
+}
+func (b *Builder) AddFloat64(name string) *Builder {
+	return b.AddField(name, reflect.TypeOf(float64(1.2)))
+}
+
+// 实际生成的结构体，基类
+// 结构体的类型
+type Struct struct {
+	typ reflect.Type 
+	// <fieldName : 索引> 
+	// 用于通过字段名称，从Builder的[]reflect.StructField中获取reflect.StructField
+	index map[string]int
+}
+
+func (s Struct) New() *Instance {
+	return &Instance{reflect.New(s.typ).Elem(), s.index}
+}
+
+// 结构体的值
+type Instance struct {
+	instance reflect.Value 
+	// <fieldName : 索引>
+	index map[string]int
+}
+
+var (
+	FieldNoExist error = errors.New("field no exist")
+)
+
+func (in Instance) Field(name string) (reflect.Value, error) {
+	if i, ok := in.index[name]; ok {
+		return in.instance.Field(i), nil
+	} else {
+		return reflect.Value{}, FieldNoExist
+	}
+}
+func (in *Instance) SetString(name, value string) {
+	if i, ok := in.index[name]; ok {
+		in.instance.Field(i).SetString(value)
+	}
+}
+func (in *Instance) SetBool(name string, value bool) {
+	if i, ok := in.index[name]; ok {
+		in.instance.Field(i).SetBool(value)
+	}
+}
+func (in *Instance) SetInt64(name string, value int64) {
+	if i, ok := in.index[name]; ok {
+		in.instance.Field(i).SetInt(value)
+	}
+}
+func (in *Instance) SetFloat64(name string, value float64) {
+	if i, ok := in.index[name]; ok {
+		in.instance.Field(i).SetFloat(value)
+	}
+}
+func (i *Instance) Interface() interface{} {
+	return i.instance.Interface()
+}
+func (i *Instance) Addr() interface{} {
+	return i.instance.Addr().Interface()
+}