JavaScript for AJAX Encapsulation

1 Pure JavaScript encapsulation sends AJAX data

2 post, get mode to send data

1Global.namespace ("Ajax");2 /**3 * Synchronous Ajax returns JSON Object4  * 5 * @param {}6 * Urlstr7 * @param {} type GET or post mode8 * @param {}9 * PARAMSSTR and Server conventions if the Get method must be Key1 = value & key2 = valueTen * The form is added after the URL One * @return {} return string A  */ -GLOBAL. Ajax.ajaxsynccall =function(Urlstr, type, paramsstr) { -     varobj; the     varvalue; -     if(window. ActiveXObject) { -obj =NewActiveXObject (' Microsoft.XMLHTTP '); -}Else if(window. XMLHttpRequest) { +obj =NewXMLHttpRequest (); -     } +     if(Type = = "POST") { AObj.open (' POST ', URLSTR,false); atObj.setrequestheader (' Content-type ', -' Application/x-www-form-urlencoded '); - obj.send (PARAMSSTR); -}Else if(Type = = "GET") -     { -Obj.open (' GET ', URLSTR,false); inObj.send (NULL); -     } to     varresult =NULL; +     if(Obj.readystate = = 4) { -         if(Obj.status = = 200) { theresult =Obj.responsetext; *         } $     }Panax Notoginseng     returnresult; - } the /*Asynchronous transfer method for Ajax*/ +GLOBAL. Ajax.ajaxasyncallback =function(XHR, callback) { A     varresult =NULL; the     if(Obj.readystate = = 4) { +         if(Obj.status = = 200) { -result =Obj.responsetext; $ callback (result); $         } -     } - } the /** - * Ajax Asynchronous Submission MethodWuyi  *  the * @param {} - * Urlstr Wu * @param {} - * GET or Post mode About * @param {} $ * Paramjsonobj - * @param {} - * Callbackfunc -  */ AGLOBAL. Ajax.ajaxasyncall =function(Urlstr, type, PARAMSSTR, callback) { +     varobj; the     varvalue; -     if(window. ActiveXObject) { $obj =NewActiveXObject (' Microsoft.XMLHTTP '); the}Else if(window. XMLHttpRequest) { theobj =NewXMLHttpRequest (); the     } theObj.onreadystatechange =GLOBAL. Ajax.ajaxasyncallback (obj, callback); -     if(Type = = "POST") { inObj.open (' POST ', URLSTR,true); theObj.setrequestheader (' Content-type ', the' Application/x-www-form-urlencoded '); About obj.send (PARAMSSTR); the}Else if(Type = = "GET") the     { theObj.open (' GET ', URLSTR,true); +Obj.send (NULL); -     } the}

The parameter method that needs to be used, in the base class:

1 Creating a Post string

2 Creating a Get string

1 /*2 * @parameters as an object3 * Returns a URL string with a value4 */5GLOBAL. tool.creatgetparam=function(url,parameters)6 {7    varRtnstr=NULL;8    varTmpstr= ", str;9    vari = 0;TenRtnstr = url+ "?"; One     for(varKeyinchparameters) { Astr = Escape (key) + "=" +Escape (Parameters[key]); -         if(i==0) -         { thetmpstr+=str; -i++; -         } -         Else{ +tmpstr+= ' & ' +str; -         } +    } Artnstr+=tmpstr; at    returnRtnstr; - } -  -GLOBAL. tool.cratepostparam=function(Parameters) - { -     varRtnstr = ' '; in     vari = 0; -     varTmpstr= ", str; to      for(varKeyinchparameters) +     { -str = Escape (key) + "=" +Escape (Parameters[key]); the         if(i==0) *             { $tmpstr+=str;Panax Notoginsengi++; -             } the         Else  +             { Atmpstr+= ' & ' +str; the             } +     } -     returntmpstr; $}

JavaScript for AJAX Encapsulation