增加简版数据过滤,未测试

safe/data.go

@@ -0,0 +1,37 @@
+// Package safe ...
+//
+// Description : 按需返回对外暴露的字段
+//
+// Author : go_developer@163.com<张德满>
+//
+// Date : 2021-03-10 6:38 下午
+package safe
+
+import (
+	"strings"
+
+	"github.com/buger/jsonparser"
+)
+
+// Filter 按需输出数据
+//
+// Author : go_developer@163.com<张德满>
+//
+// Date : 6:40 下午 2021/3/10
+func Filter(source []byte, filter []string) ([]byte, error) {
+	var (
+		bt     []byte
+		setErr error
+	)
+	for _, item := range filter {
+		fieldList := strings.Split(item, ",")
+		val, _, _, err := jsonparser.Get(source, fieldList...)
+		if nil != err {
+			return nil, err
+		}
+		if bt, setErr = jsonparser.Set(bt, val, fieldList...); nil != setErr {
+			return nil, setErr
+		}
+	}
+	return bt, nil
+}