本帖最后由 某1o 于 2015-11-14 22:16 编辑
磨磨唧唧写了一个礼拜，弄出来这个了，总之SD.h这个库是各种玄学。直接上代码！代码有点长 大家可以去github下载项目文件https://github.com/mo10/SDwebserver
关于请求地址 表单 路径 后缀名截取方法 可以参考http://www.arduino.cn/thread-18012-1-1.html
注意！访问不要太频繁,在上一个文件未完全关闭的情况下打开下一个文件可能会抽风!代码难免不出错，大家不要喷我~ Debug很累的
[mw_shl_code=c,true]#include <SPI.h>
#include <Ethernet.h>
#include <SD.h>
byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};//mac地址
IPAddress ip(192, 168, 31, 177);//ip地址
EthernetServer server(80);//访问端口
String fakename = "Nginx/1.8.0 (ATmega328p/Ubuntu 12.04 LTS)"; //装逼参数(伪装服务器）
String res = "", path = "";
EthernetClient client;
void setup() {
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for Leonardo only
}
//启动sd
Serial.print("init sd:");
if (!SD.begin(4)) {
Serial.println("failed");
return;
}
Serial.println("done");
//启动eth
Ethernet.begin(mac, ip);
server.begin();
Serial.print("ip:");
Serial.println(Ethernet.localIP());
}
void loop() {
client = server.available();
if (client) {
Serial.println("new client");
delay(200);
res = ""; path = ""; /*httpget = "", */
int resend = 1;
boolean currentLineIsBlank = true;
while (client.connected()) {
if (client.available()) {
char c = client.read();
//Serial.write(c);
//只读取一行
if (c != '\n' && resend) {
res += c;
} else {
resend = 0;
}
if (c == '\n' && currentLineIsBlank) {
//判断GET头完整性
if ((res.indexOf("GET ") != -1) && (res.indexOf(" HTTP") != -1)) {
//判断是否存在get参数
if (res.indexOf('?') != -1) {
//httpget = res.substring(res.indexOf('?') + 1, res.indexOf(" HTTP"));
path = res.substring(res.indexOf("GET ") + 4, res.indexOf('?'));
} else {
path = res.substring(res.indexOf("GET ") + 4, res.indexOf(" HTTP"));
}
Serial.println(res);
//Serial.println("GET:" + httpget);
Serial.println("path:" + path);
//delay(100);
File s = SD.open(path);
if (s) {
webprintDirectory(s);
} else {
client.println(s);
s.rewindDirectory();
s.close();
}
//client.println("<p>" + fakename + "</p></body></html>");
break;
}
}
if (c == '\n') {
// you're starting a new line
currentLineIsBlank = true;
}
else if (c != '\r') {
// you've gotten a character on the current line
currentLineIsBlank = false;
}
}
}
// give the web browser time to receive the data
delay(1);
// close the connection:
client.stop();
Serial.println("client disconnected");
}
}
void webprintDirectory(File dir) {
//判断是否为文件
if (!dir.isDirectory()) {
if (path.indexOf('.') != -1) {
//获取后缀名
http_header("200 OK", path.substring(path.indexOf('.') + 1));
} else {
http_header("200 OK", "txt");//文件没有后缀名 默认显示文本格式
}
//读文件
while (dir.available()) {
char sc = dir.read();
client.print(sc);
}
dir.close();
dir.rewindDirectory();
return;//退出
}
//判断不是文件
http_header("200 OK", "htm");
client.print("<!DOCTYPE HTML><html><body><h1>200 Success</h1><br /> ATH:" + path + "<hr />");
dir.rewindDirectory();//索引回到第一个位置
while (true) {
File entry = dir.openNextFile();
if (!entry) {
//没有下一个索引了
client.print("<br />No more files");
dir.rewindDirectory();
break;
}
if (path == "/") {
client.print("<br /><a href=\"" + path);
} else {
client.print("<br /><a href=\"" + path + "/");
}
client.print(entry.name());
client.print("\"target=\"_self\">");
client.print(entry.name());
client.print("</a>");
if (!entry.isDirectory()) {
// files have sizes, directories do not
client.print(" ");
client.println(entry.size(), DEC);
}
entry.close();
}
client.println("<p>" + fakename + "</p></body></html>");
dir.close();
delay(200);
}
void http_header(String statuscode, String filetype) {
filetype.toLowerCase();//把后缀名变小写
client.println("HTTP/1.1 " + statuscode);
client.print("Content-Type: ");
//判断文件mime类型
if (filetype == "htm" || filetype == "html") {
client.println("text/html");
}
if (filetype == "png" || filetype == "jpg" || filetype == "bmp" || filetype == "gif") {
client.println("image/" + filetype);
} else {
client.println("text/plain");
}
client.println("Connection: close");
client.println();
}[/mw_shl_code]
运行
出现文件列表
打开个图片看看
加载速度有些坑爹了27KB文件要加载9秒多
做个死 加载个大图片看看
3MB用了17分钟，还是不要加载太大的图，慢死~~
打开文本文件
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发表于 2015-11-14 22:09
发表于 2015-11-14 22:46
楼主
给个精好不好啊~~？么么么
