增加获取默认值方法

filter.go

@@ -7,15 +7,34 @@
 // Date : 2022-07-04 11:45
 package util
 
+import (
+	"github.com/Jeffail/gabs"
+	"github.com/pkg/errors"
+)
+
+// MapRule 映射规则
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 12:21 2022/7/4
+type MapRule struct {
+	SourcePath   string `json:"source_path"`   // 原路径
+	MapPath      string `json:"map_path"`      // 映射路径
+	Required     bool   `json:"required"`      // 必须存在
+	DataType     string `json:"data_type"`     // 数据类型
+	DefaultValue string `json:"default_value"` // 默认值, 以字符串传入, 会转换成 DataType
+}
+
 // NewFilter 过滤器实例
 //
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 11:54 2022/7/4
-func NewFilter(sourceData []byte, filterRule map[string]string) *filter {
+func NewFilter(sourceData []byte, filterRuleList []MapRule) *filter {
 	return &filter{
-		sourceData: sourceData,
+		sourceData:     sourceData,
-		filterRule: filterRule,
+		filterRuleList: filterRuleList,
+		jsonObj:        &gabs.Container{},
 	}
 }
 
@@ -25,6 +44,74 @@ func NewFilter(sourceData []byte, filterRule map[string]string) *filter {
 //
 // Date : 11:58 2022/7/4
 type filter struct {
-	sourceData []byte
+	sourceData     []byte
-	filterRule map[string]string
+	filterRuleList []MapRule
+	jsonObj        *gabs.Container // 生成的json对象实例
+}
+
+// Deal ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 11:59 2022/7/4
+func (f *filter) Deal() ([]byte, error) {
+	return nil, nil
+}
+
+// getDefaultValue 获取默认值
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 12:25 2022/7/4
+func (f *filter) getDefaultValue(dataType string, defaultValue string) (interface{}, error) {
+	switch dataType {
+	case "int8":
+		fallthrough
+	case "int16":
+		fallthrough
+	case "int32":
+		fallthrough
+	case "int64":
+		fallthrough
+	case "int":
+		var (
+			err error
+			val int64
+		)
+		err = ConvertAssign(&val, defaultValue)
+		return val, err
+	case "uint8":
+		fallthrough
+	case "uint16":
+		fallthrough
+	case "uint32":
+		fallthrough
+	case "uint64":
+		fallthrough
+	case "uint":
+		var (
+			err error
+			val uint64
+		)
+		err = ConvertAssign(&val, defaultValue)
+		return val, err
+	case "bool":
+		var (
+			err error
+			val bool
+		)
+		err = ConvertAssign(&val, defaultValue)
+		return val, err
+	case "float32":
+		fallthrough
+	case "float64":
+		var (
+			err error
+			val float64
+		)
+		err = ConvertAssign(&val, defaultValue)
+		return val, err
+	default:
+		return nil, errors.New(dataType + " is not support!")
+	}
 }