需求
在一个页面浏览目录下所有图片
代码
package main
import (
"net/http"
"fmt"
"io/ioutil"
"sort"
"strings"
"strconv"
)
func handleRequest(w http.ResponseWriter, r *http.Request) {
fmt.Println(r.Proto + " " + r.Host + " " +r.RequestURI)
dir, err := ioutil.ReadDir("." + r.RequestURI)
//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, "." + r.RequestURI);
} else {
path := "/"
if (r.RequestURI != "/") {
n := strings.LastIndex(r.RequestURI, "/");
if (n != 0) {
path = string(r.RequestURI[: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 int
for _, 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"
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);
}问题
1.不支持非英文目录
2.删除目录没有实现
3.根据文件头判断文件类型进行不同处理没有实现
![[XR806开发板试用] XR806 调用cjson 实现数据序列化](https://img-blog.csdnimg.cn/direct/acff661d0f9a4225a2051a9464eacc07.png)
