SmartHTTP 簡易HttpRequest類(ASP)
更新時(shí)間:2011年03月24日 22:10:09 作者:
SmartHTTP 簡易HttpRequest類(ASP),需要的朋友可以參考下。
最簡單的調(diào)用方法:
response.write SmartHttp("http://www.baidu.com/").send().gettext()
復(fù)雜調(diào)用
set myhttp = SmartHttp("http://www.baidu.com/s","GET")
myhttp.dataset.append "wd","smarthttp"
myhttp.send()
response.write myhttp.gettext("gbk")
<script language="jscript" runat="server">
function SmartHttp(url,method,data){
return new _SmartHttp(url,method,data);
}
function _SmartHttp(url,method,data){
if(typeof method=="undefined") method="GET";
if(typeof data=="undefined") data="";
method = method.toUpperCase();
method = method!="POST" ? "GET" : "POST";
this.method = method;
this.url=url;
this.data=data;
this.charset="gb2312";
this.http=null;
this.headers=[];
this.status=0;
this.readyState=0;
this.content=null;
this.msg="";
this.dataset={
charset:"gb2312",
data:[],
append:function(key,value,noencode){
var fn=null;
if(this.charset.toLowerCase()=="utf-8"){fn = encodeURIComponent;}else{fn = escape;}
if(noencode==true){fn=function(_str){return _str;}}
this.data.push({"key":fn(key),"value":fn(value)});
},
remove:function(key){
if(this.data.length<=0) return false;
var _data=[];
for(var i=0;i<this.data.length;i++){
if(this.data[i].key!=key){
_data.push(this.data[i]);
}
}
this.data = _data;
},
isexists:function(key){
if(this.data.length<=0) return false;
for(var i=0;i<this.data.length;i++){
if(this.data[i].key==key){
return true;
}
}
return false;
},
clear:function(){
this.dataset.data=[];
}
};
}
_SmartHttp.prototype.init=function(){
var datasetstr="";
if(this.dataset.data.length>0){
for(var i=0;i<this.dataset.data.length;i++){
datasetstr += this.dataset.data[i].key + "=" + this.dataset.data[i].value + "&";
}
}
if(datasetstr!="") datasetstr = datasetstr.substr(0,datasetstr.length-1);
if(this.data==""){this.data = datasetstr;}else{if(datasetstr!="")this.data+= "&" + datasetstr;}
if(this.data=="")this.data=null;
this.url += ((this.url.indexOf("?")<0) ? "?" : "&") + "jornd=" + this.getrnd();
if(this.method=="GET" && this.data!=null) this.url += "&" + this.data;
if(this.method=="POST") this.headers.push("Content-Type:application/x-www-form-urlencoded");
if(!this.charset || this.charset=="") this.charset = "gb2312";
};
_SmartHttp.prototype.header=function(headstr){
if(headstr.indexOf(":")>=0) this.headers.push(headstr);
};
_SmartHttp.prototype.send=function(){
this.init();
var _http = this.getobj();
if(_http==null){return "";}
try{_http.setTimeouts(10000,10000,10000,30000);}catch(ex){}
_http.open(this.method,this.url,false);
if(this.headers.length>0){
for(var i=0;i<this.headers.length;i++){
var Sindex = this.headers[i].indexOf(":");
var key = this.headers[i].substr(0,Sindex);
var value = this.headers[i].substr(Sindex+1);
_http.setRequestHeader(key,value);
}
}
_http.send(this.data);
this.readyState = _http.readyState;
if(_http.readyState==4){
this.status = _http.status;
this.http = _http;
this.content = _http.responseBody;
}
return this;
}
_SmartHttp.prototype.getbinary=function(){
return this.content;
};
_SmartHttp.prototype.gettext=function(charset){
try{
return this.b2s(this.content,charset ? charset : this.charset);
}catch(ex){
this.msg = ex.description;
return "";
}
};
_SmartHttp.prototype.getjson=function(charset){
try{
var _json=null;
eval("_json=(" + this.gettext(charset) + ");");
return _json;
}catch(ex){
this.msg = ex.description;
return null;
}
};
_SmartHttp.prototype.getxml=function(charset){
try{
var _dom = new ActiveXObject("MSXML2.DOMDocument");
_dom.loadXML(this.gettext(charset).replace("&","&"));
return _dom;
}catch(ex){
this.msg = ex.description;
return null;
}
};
_SmartHttp.prototype.getobj = function (){
var b=null;
var httplist = ["MSXML2.serverXMLHttp.3.0","MSXML2.serverXMLHttp","MSXML2.XMLHttp.3.0","MSXML2.XMLHttp","Microsoft.XMLHttp"];
for(var i = 0;i<=httplist.length -1;i++){
try{
b= new ActiveXObject(httplist[i]);
(function(o){
_SmartHttp.prototype.getobj = function(){return new ActiveXObject(o)};
})(httplist[i]);
return b;
}catch(ex){
//eval("this.msg = ex.description;");
}
}
return b;
};
_SmartHttp.prototype.getrnd = function (){return Math.random().toString().substr(2);};
_SmartHttp.prototype.b2s = function(bytSource, Cset){
var Objstream;
var byts;
Objstream =Server.CreateObject("ADODB.Stream");
Objstream.Type = 1;
Objstream.Mode = 3;
Objstream.Open();
Objstream.Write(bytSource);
Objstream.Position = 0;
Objstream.Type = 2;
Objstream.CharSet = Cset;
byts = Objstream.ReadText();
Objstream.Close();
Objstream = null;
return byts;
};
_SmartHttp.prototype.urlencode=function(str){ return encodeURIComponent(str);};
_SmartHttp.prototype.urldecode=function(str){ return decodeURIComponent(str);};
</script>
response.write SmartHttp("http://www.baidu.com/").send().gettext()
復(fù)雜調(diào)用
set myhttp = SmartHttp("http://www.baidu.com/s","GET")
myhttp.dataset.append "wd","smarthttp"
myhttp.send()
response.write myhttp.gettext("gbk")
復(fù)制代碼 代碼如下:
<script language="jscript" runat="server">
function SmartHttp(url,method,data){
return new _SmartHttp(url,method,data);
}
function _SmartHttp(url,method,data){
if(typeof method=="undefined") method="GET";
if(typeof data=="undefined") data="";
method = method.toUpperCase();
method = method!="POST" ? "GET" : "POST";
this.method = method;
this.url=url;
this.data=data;
this.charset="gb2312";
this.http=null;
this.headers=[];
this.status=0;
this.readyState=0;
this.content=null;
this.msg="";
this.dataset={
charset:"gb2312",
data:[],
append:function(key,value,noencode){
var fn=null;
if(this.charset.toLowerCase()=="utf-8"){fn = encodeURIComponent;}else{fn = escape;}
if(noencode==true){fn=function(_str){return _str;}}
this.data.push({"key":fn(key),"value":fn(value)});
},
remove:function(key){
if(this.data.length<=0) return false;
var _data=[];
for(var i=0;i<this.data.length;i++){
if(this.data[i].key!=key){
_data.push(this.data[i]);
}
}
this.data = _data;
},
isexists:function(key){
if(this.data.length<=0) return false;
for(var i=0;i<this.data.length;i++){
if(this.data[i].key==key){
return true;
}
}
return false;
},
clear:function(){
this.dataset.data=[];
}
};
}
_SmartHttp.prototype.init=function(){
var datasetstr="";
if(this.dataset.data.length>0){
for(var i=0;i<this.dataset.data.length;i++){
datasetstr += this.dataset.data[i].key + "=" + this.dataset.data[i].value + "&";
}
}
if(datasetstr!="") datasetstr = datasetstr.substr(0,datasetstr.length-1);
if(this.data==""){this.data = datasetstr;}else{if(datasetstr!="")this.data+= "&" + datasetstr;}
if(this.data=="")this.data=null;
this.url += ((this.url.indexOf("?")<0) ? "?" : "&") + "jornd=" + this.getrnd();
if(this.method=="GET" && this.data!=null) this.url += "&" + this.data;
if(this.method=="POST") this.headers.push("Content-Type:application/x-www-form-urlencoded");
if(!this.charset || this.charset=="") this.charset = "gb2312";
};
_SmartHttp.prototype.header=function(headstr){
if(headstr.indexOf(":")>=0) this.headers.push(headstr);
};
_SmartHttp.prototype.send=function(){
this.init();
var _http = this.getobj();
if(_http==null){return "";}
try{_http.setTimeouts(10000,10000,10000,30000);}catch(ex){}
_http.open(this.method,this.url,false);
if(this.headers.length>0){
for(var i=0;i<this.headers.length;i++){
var Sindex = this.headers[i].indexOf(":");
var key = this.headers[i].substr(0,Sindex);
var value = this.headers[i].substr(Sindex+1);
_http.setRequestHeader(key,value);
}
}
_http.send(this.data);
this.readyState = _http.readyState;
if(_http.readyState==4){
this.status = _http.status;
this.http = _http;
this.content = _http.responseBody;
}
return this;
}
_SmartHttp.prototype.getbinary=function(){
return this.content;
};
_SmartHttp.prototype.gettext=function(charset){
try{
return this.b2s(this.content,charset ? charset : this.charset);
}catch(ex){
this.msg = ex.description;
return "";
}
};
_SmartHttp.prototype.getjson=function(charset){
try{
var _json=null;
eval("_json=(" + this.gettext(charset) + ");");
return _json;
}catch(ex){
this.msg = ex.description;
return null;
}
};
_SmartHttp.prototype.getxml=function(charset){
try{
var _dom = new ActiveXObject("MSXML2.DOMDocument");
_dom.loadXML(this.gettext(charset).replace("&","&"));
return _dom;
}catch(ex){
this.msg = ex.description;
return null;
}
};
_SmartHttp.prototype.getobj = function (){
var b=null;
var httplist = ["MSXML2.serverXMLHttp.3.0","MSXML2.serverXMLHttp","MSXML2.XMLHttp.3.0","MSXML2.XMLHttp","Microsoft.XMLHttp"];
for(var i = 0;i<=httplist.length -1;i++){
try{
b= new ActiveXObject(httplist[i]);
(function(o){
_SmartHttp.prototype.getobj = function(){return new ActiveXObject(o)};
})(httplist[i]);
return b;
}catch(ex){
//eval("this.msg = ex.description;");
}
}
return b;
};
_SmartHttp.prototype.getrnd = function (){return Math.random().toString().substr(2);};
_SmartHttp.prototype.b2s = function(bytSource, Cset){
var Objstream;
var byts;
Objstream =Server.CreateObject("ADODB.Stream");
Objstream.Type = 1;
Objstream.Mode = 3;
Objstream.Open();
Objstream.Write(bytSource);
Objstream.Position = 0;
Objstream.Type = 2;
Objstream.CharSet = Cset;
byts = Objstream.ReadText();
Objstream.Close();
Objstream = null;
return byts;
};
_SmartHttp.prototype.urlencode=function(str){ return encodeURIComponent(str);};
_SmartHttp.prototype.urldecode=function(str){ return decodeURIComponent(str);};
</script>
相關(guān)文章
asp中利用xmlhttp抓取網(wǎng)頁內(nèi)容的代碼
抓取網(wǎng)頁。偶要實(shí)現(xiàn)實(shí)實(shí)更新天氣預(yù)報(bào)。利用了XMLHTTP組件,抓取網(wǎng)頁的指定部分,其實(shí)很多的小偷程序要更好用2012-10-10
asp OpenTextFile文本讀取與寫入實(shí)例代碼
打開指定的文件并返回一個(gè) TextStream 對象,可以讀取、寫入此對象或?qū)⑵渥芳拥轿募?2008-08-08
ASP實(shí)現(xiàn)防止網(wǎng)站被采集代碼
ASP實(shí)現(xiàn)防止網(wǎng)站被采集代碼,是個(gè)不錯(cuò)的思路,但現(xiàn)在都是生成靜態(tài)的了。2009-11-11
ASP去掉字符串頭尾連續(xù)回車和空格的Function
去掉字符串頭尾的連續(xù)的回車和空格 去掉字符串開頭的連續(xù)的回車和空格 去掉字符串末尾的連續(xù)的回車和空格2008-12-12
ASP批量生成靜態(tài)頁面的寫法(批量生成技巧iframe)
自己快忘的ASP批量生成寫法,需要自己寫asp生成靜態(tài)頁面的朋友可以參考下。2011-01-01
ASP中用ajax方式獲得session的實(shí)現(xiàn)代碼
前期做的時(shí)候,登錄方式順手用了ajax來做,登錄前先判斷在session中是否存在值,如果存在,那么無需登錄;如果不存在,那就彈出登錄頁面登錄。2011-05-05
asp+javascript實(shí)現(xiàn)404頁的處理轉(zhuǎn)換
用404來來解決頁面路徑的變換的方法2008-06-06

