消除错误处理

models/elasticsearch.go

@@ -56,6 +56,13 @@ type SearchData struct {
 	took      int
 }
 
+func (sd *SearchData) GetIDList() (id_list []string) {
+	for _, hit := range sd.Hits.Hits {
+		id_list = append(id_list, hit.ID)
+	}
+	return id_list
+}
+
 func ElasticsearchSearch(text string) (r *SearchData) {
 	// 通过字符串构建查询
 	var buf bytes.Buffer
@@ -68,7 +75,7 @@ func ElasticsearchSearch(text string) (r *SearchData) {
 	}
 	if err := json.NewEncoder(&buf).Encode(query); err != nil {
 		log.Printf("Error encoding query: %s", err)
-		return nil
+		return
 	}
 
 	es := elasticsearch_init()
@@ -83,20 +90,20 @@ func ElasticsearchSearch(text string) (r *SearchData) {
 	)
 	if err != nil {
 		log.Printf("Error getting response: %s", err)
-		return nil
+		return
 	}
 	defer res.Body.Close()
 
 	// 处理错误
 	if res.IsError() {
 		log.Printf("Error: %s", res.String())
-		return nil
+		return
 	}
 
 	// 转换返回结果
 	if err := json.NewDecoder(res.Body).Decode(&r); err != nil {
 		log.Printf("Error parsing the response body: %s", err)
-		return nil
+		return
 	}
 
 	return r