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Go图片列表

news 2025/8/20 11:39:05

需求

在一个页面浏览目录下所有图片

代码

package mainimport ("net/http""fmt""io/ioutil""sort""strings""strconv""net/url"
)func handleRequest(w http.ResponseWriter, r *http.Request) {	decodedUrl, err := url.QueryUnescape(r.RequestURI)fmt.Println(r.Proto + " " + r.Host + " " + decodedUrl)    //dir, err := ioutil.ReadDir("." + r.RequestURI)dirr := "../../pic" //本地根目录：上级/上级/picdir, err := ioutil.ReadDir(dirr + decodedUrl)//排序sort.Slice(dir, func(i, j int) bool {di := dir[i]dj := dir[j]if di.IsDir() && !dj.IsDir() { // 目录在前return true} else if !di.IsDir() && dj.IsDir() { // 目录在后return false}//return dir[i].Name() < dir[j].Name() //和WIN7不一样return dir[i].ModTime().Before(dir[j].ModTime())})if err != nil {//http.ServeFile(w, r, "." + decodedUrl);http.ServeFile(w, r, dirr + decodedUrl);} else {path := "/"if (decodedUrl != "/") {n := strings.LastIndex(decodedUrl, "/");if (n != 0) {path = string(decodedUrl[:n])}}ddir := ""if (r.RequestURI != "/") {ddir = " <a href=''>删除此目录</a>"}str := "<html>\n<head>\n<title>文件列表</title>\n</head>\n<style>\na, img { -webkit-user-drag:none; }\na { text-decoration:none; padding:10px; margin:10px; background:lightgray; display:inline-block; }\na:hover { background:gray; }\nimg { max-width: 100%; }\n</style>\n<body>\n<p><a href='" + path + "'>[" + path + "]</a>" + ddir + "</p>"path = "/"if (r.RequestURI != "/") {path = r.RequestURI + "/"}var count_dir, count_file intfor _, file := range dir {if (file.IsDir()) {				str += "<a href='" + path + file.Name() + "'>" + file.Name() + "</a>\n"count_dir++} else {			str += "<img src='" + path + file.Name() +"'>\n"//str += "<video src='" + r.RequestURI + "/" + file.Name() + "' controls='controls'></video>\n"count_file++}}	str += "<p>目录" + strconv.Itoa(count_dir) + "个，文件" + strconv.Itoa(count_file) + "个</p>\n</body>\n</html>"w.Write([]byte(str))}
}func main() {	fmt.Println("http://localhost:8000");http.HandleFunc("/", handleRequest);http.ListenAndServe(":8000", nil);
}