[转] nodeJS的post提交简单实现-白红宇

[转] nodeJS的post提交简单实现

阅读量：6006 次

发布时间：2019-06-20

本文共 1855 字，大约阅读时间需要 6 分钟。

index.js:

                            
var
server = require(
'./server'
);
var
router = require(
'./route'
);
var
requestHandler = require(
'./requestHandler'
);
var
hander = {};
hander[
'/'
] = requestHandler.start;
hander[
'/start'
] = requestHandler.start;
hander[
'/upload'
] = requestHandler.upload;
server.starts(router.router, hander);
         
       

server.js:

                            
var
http = require(
'http'
);
var
url = require(
'url'
);
function
start(router, hander) { 
    
function
onRequest(request, response) { 
        
var
pathname = url.parse(request.url).pathname;
        
var
postData = 
""
;
        
request.setEncode = 
"utf8"
;
        
request.addListener(
'data'
, 
function
(postDataChunk){ 
            
postData += postDataChunk;
        
})
        
request.addListener(
'end'
, 
function
(){ 
            
router(pathname, hander, response, postData);
        
})
    
}
    
http.createServer(onRequest).listen(8080);
}
exports.starts = start;
         
       

route.js:

                            
function
route(pathname, handler, response, postData) { 
    
if
(
typeof
(handler[pathname]) === 
'function'
) { 
        
handler[pathname](response, postData);
        
return
true
;
    
} 
else
{ 
        
return
false
;
    
}
}
exports.router = route;
         
       

requestHandler.js:

                            
var
querystring = require(
"querystring"
);
function
start(response) { 
    
var
body = 
'<html>'
+ 
'<head>'
+ 
'<meta http-equiv="Content-Type" content="text/html; '
+ 
'charset=UTF-8" />'
+ 
'</head>'
+ 
'<body>'
+ 
    
'<form action="/upload" method="post">'
+ 
'<textarea name="text" rows="20" cols="60"></textarea>'
+ 
'<input type="submit" value="Submit text" />'
+    
'</form>'
+ 
'</body>'
+ 
'</html>'
;
    
response.write(body);
    
response.end();
}
function
upload(response, postData) { 
    
response.write(
"You've sent: "
+ querystring.parse(postData).text); 
    
response.end();
}
exports.start = start;
exports.upload = upload;
         
       