附加用户信息

This commit is contained in:
2023-04-12 21:01:47 +08:00
parent 5f1bc1f523
commit f337bc3ca6

View File

@@ -37,6 +37,21 @@ func LogComponent(startTime int64, r *http.Request) {
log.Println(r.Method, r.URL.Path, endTime)
}
type User struct {
Id int `json:"id"`
UserName string `json:"user_name"`
CreateTime time.Time `json:"create_time"`
UpdateTime time.Time `json:"update_time"`
}
type Article struct {
Id int `json:"id"`
Title string `json:"title"`
Tags string `json:"tags"`
CreateTime time.Time `json:"create_time"`
UpdateTime time.Time `json:"update_time"`
}
type Image struct {
Id int `json:"id"`
Width int `json:"width"`
@@ -44,6 +59,8 @@ type Image struct {
Content string `json:"content"`
CreateTime time.Time `json:"create_time"`
UpdateTime time.Time `json:"update_time"`
User User `json:"user"`
Article Article `json:"article"`
}
type Tag struct {
@@ -173,7 +190,7 @@ func main() {
var images ListView
var image_list []Image
images.Page, images.PageSize = stringToInt(r.URL.Query().Get("page"), 1), stringToInt(r.URL.Query().Get("pageSize"), 10)
rows, err := mysqlConnection.Database.Query("SELECT id, width, height, content, update_time, create_time FROM web_images"+conditions+" LIMIT ?, ?", (images.Page-1)*images.PageSize, images.PageSize)
rows, err := mysqlConnection.Database.Query("SELECT id, width, height, content, update_time, create_time, user_id FROM web_images"+conditions+" LIMIT ?, ?", (images.Page-1)*images.PageSize, images.PageSize)
if err != nil {
log.Println("获取图片列表失败", err)
http.Error(w, err.Error(), http.StatusBadRequest)
@@ -182,7 +199,7 @@ func main() {
defer rows.Close()
for rows.Next() {
var image Image
rows.Scan(&image.Id, &image.Width, &image.Height, &image.Content, &image.UpdateTime, &image.CreateTime)
rows.Scan(&image.Id, &image.Width, &image.Height, &image.Content, &image.UpdateTime, &image.CreateTime, &image.User.Id)
image.UpdateTime = image.UpdateTime.UTC()
image.CreateTime = image.CreateTime.UTC()
image.Content = regexp.MustCompile(`http:`).ReplaceAllString(image.Content, "https:")
@@ -202,6 +219,43 @@ func main() {
image_list = image_list_sorted
}
// 附加用户信息(第一步: 获取用户ID列表)
var user_ids []int
for _, image := range image_list {
user_ids = append(user_ids, image.User.Id)
}
// 附加用户信息(第二步: 获取用户信息)
var users []User
if len(user_ids) > 0 {
// 使用逗号分隔的用户ID列表查询用户信息 strings.Join(strings.Fields(fmt.Sprint(user_ids)), ",")
user_ids_str := strings.Trim(strings.Replace(fmt.Sprint(user_ids), " ", ",", -1), "[]")
fmt.Println(user_ids_str)
rows, err := mysqlConnection.Database.Query("SELECT id, user_name, update_time, create_time FROM web_member WHERE id IN (" + user_ids_str + ")")
if err != nil {
log.Println("获取用户列表失败", err)
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
defer rows.Close()
for rows.Next() {
var user User
rows.Scan(&user.Id, &user.UserName, &user.UpdateTime, &user.CreateTime)
user.UpdateTime = user.UpdateTime.UTC()
user.CreateTime = user.CreateTime.UTC()
users = append(users, user)
}
}
// 附加用户信息(第三步: 将用户信息附加到图片信息中)
for i, image := range image_list {
for _, user := range users {
if image.User.Id == user.Id {
image_list[i].User = user
}
}
}
// 将 []Image 转换为 []interface{}
images.List = make([]interface{}, len(image_list))
for i, v := range image_list {