C # Cross-origin submission form using jsonp

C # Cross-origin submission form using jsonp

Submit a message across domains and return whether the message is successful!

C # Server:

Public void FeedBackPost (string name, string email, string tel, string website, string desc, string thisIp, string sourse, string callBack) {try {Response. contentType = "application/x-javascript"; string str = callBack; if (thisIp = null) {thisIp = "not retrieved IP";} string strSql = ""; HSBY_DBEntities db = new HSBY_DBEntities (); // verify whether too many Regex rx = new Regex (@"((? :(? : 25 [0-5] | 2 [0-4] \ d | (1 \ d {2}) | ([1-9]? \ D) \.) {3 }(? : 25 [0-5] | 2 [0-4] \ d | (1 \ d {2}) | ([1-9]? \ D) "); if (rx. isMatch (thisIp) {strSql = @ "select count (*) from fb_srv_main where ip = '" + thisIp + "'"; int ipCount = db. executeStoreQuery
 
  
(StrSql). FirstOrDefault (); if (ipCount> 10) {str + = "([{\" do not submit again! \ "}]);"; Response. write (str); return ;}} fb_srv_main newItem = new fb_srv_main (); newItem. name = name; newItem. email = email; newItem. tel = tel; newItem. site = website; newItem. content_str = desc; newItem. ip = thisIp; newItem. creat_by = sourse; newItem. creat_on = DateTime. now; _ mainBLL. create (ref validationErrors, newItem); // HttpContext context = new HttpContext (); if (validationErrors. count> 0 ){ Str + = validationErrors [0]. errorMessage; Response. write (str); return;} FeedBackEmail (name, email, tel, website, desc, thisIp, sourse); str + = "([{\" Rusltstr \": \ "OK \"}]); "; Response. write (str); return;} catch (Exception ex) {Response. contentType = "application/x-javascript"; Response. write (callBack + "([{\" Rusltstr \ ": \" error! \ "}]);"); Return ;}}
 

JS client:

// Return the data processing function displayResult (data) {var iRusltstr = data [0]. rusltstr; if (iRusltstr = "OK") {// close the mask $ ("# submitmask "). fadeOut (500); alert ("submitted successfully! ");} Else {$ (" # submitmask "). fadeOut (500); alert (iRusltstr +" please contact us by other means! ");}}

// Submit the message function SubmitMsg () {var AllInput =$ ("# formwrap input"); var iTextarea =$ ("# formwrap textarea"); // obtain the focus style AllInput. focus (function () {AddFocusStyle ($ (this)}); AllInput. blur (function () {AddFocusStyle ($ (this)}); iTextarea. focus (function () {AddFocusStyle ($ (this)}); iTextarea. blur (function () {AddFocusStyle ($ (this)}); function AddFocusStyle (iInput) {if (iInput. attr ("style") = "" | iInput. attr ("style") = null ){ IInput. attr ("style", "border: 1px solid # bcbcbc; color: # 7a7a7a;") ;}else {iInput. attr ("style", "") ;}// missing focus verification AllInput. blur (function () {FormValiudat ($ (this) ;}); // form verification method function FormValiudat ($ input) {var promptStr = ""; var pattern = new RegExp ("[~ '! # $ % ^ & * ()-+ _ =] "); If (pattern. test ($ input. val () {alert (" invalid character! Please do not try to inject it! "); Return false;} switch ($ input. attr ("id") {case "name": // if ($ input. val (). length> 10) {$ ("# redpoint_name "). removeClass ("hide"); $ input. focus (); return false;} else {$ ("# redpoint_name "). addClass ("hide");} break; case "email": // emailvar reg =/^ [a-z0-9] + ([. _ \-] * [a-z0-9]) * @ ([a-z0-9] + [-a-z0-9] * [a-z0-9] + .) {} [a-z0-9] + $/; if (! Reg. test ($ input. val () {$ ("# redpoint_email "). removeClass ("hide"); $ input. focus (); return false;} else {$ ("# redpoint_email "). addClass ("hide");} break; case "tel": // call var isMobile =/^ (?: 13 \ d | 15 \ d | 18 \ d) \ d {5} (\ d {3} | \ * {3}) $ /; var isPhone =/^ (0 \ d {2, 3 })-)? (\ D {7, 8}) (-(\ d {3 ,}))? $/; If (! IsMobile. test ($ input. val ())&&! IsPhone. test ($ input. val () {$ ("# redpoint_tel "). removeClass ("hide"); $ input. focus (); return false;} else {$ ("# redpoint_tel "). addClass ("hide") ;}break; case "website": if (! (/[^ \ D]/g ). test ($ input. val () {$ ("# redpoint_website "). removeClass ("hide"); $ input. focus (); return false;} else {$ ("# redpoint_website "). addClass ("hide") ;}break; case "desc": var mainText = $ input. val (); if (mainText. length> = 100) {alert ("up to 100 words! "); Return false;} break;} return true;} // form submission $ (" # formsubmit "). click (function () {var $ feedback_input = $ ("# formleft input"); for (var I = 0; I <$ feedback_input.length; I ++) {var $ thisInput = $ ($ feedback_input [I]); if (! FormValiudat ($ thisInput) {return ;}}// open the mask $ ("# submitmask") before submitting the form "). fadeIn (500); var url = "http://www.sparkdesign.cn: 8888/MainAjax/FeedBackPost" url = "http://www.sparkdesign.cn: 8888/MainAjax/FeedBackPost? Name = "+ $ (" # name "). val () + "& email =" + $ ("# email "). val () + "& tel =" + $ ("# tel "). val () + "& website =" + $ ("# website "). val () + "& desc =" + $ ("# desc "). val () + "& thisIp =" + $ ("# keleyivisitorip" ..html () + "& callback = displayResult" $. getScript (url );})}