struct/tag

bilibili/aceld/struct/tag/test.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"fmt"
+	"reflect"
+)
+
+type resume struct {
+	Name string `info:"name" doc:"我的名字"`
+	Sex  string `info:"sex" doc:"我的性别，接收male或者female"`
+}
+
+func findTag(str interface{}) {
+	t := reflect.TypeOf(str).Elem()
+
+	for i := 0; i < t.NumField(); i++ {
+		taginfo := t.Field(i).Tag.Get("info")
+		tagdoc := t.Field(i).Tag.Get("doc")
+		fmt.Println("info: ", taginfo)
+		fmt.Println("doc: ", tagdoc)
+	}
+}
+
+func main() {
+	var re resume
+	findTag(&re)
+}

bilibili/aceld/struct/tag2/test.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+// type Movie struct {
+// 	Title  string   `json:"title"`
+// 	Year   int      `json:"year"`
+// 	Price  int      `json:"rmb"`
+// 	Actors []string `json:"actors"`
+// }
+
+type Movie struct {
+	Title  string
+	Year   int
+	Price  int
+	Actors []string
+}
+
+func main() {
+	movie := Movie{"喜剧之王", 2000, 10, []string{"xingye", "zhangbozhi"}}
+	jsonStr, err := json.Marshal(movie)
+	if err != nil {
+		fmt.Println("json marshal error", err)
+		return
+	}
+	fmt.Printf("jsonStr = %s\n", jsonStr)
+	myMovie := Movie{}
+	json.Unmarshal(jsonStr, &myMovie)
+	if err != nil {
+		fmt.Println("json unmarshal failed", err)
+		return
+	}
+	fmt.Printf("%v\n", myMovie)
+}