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This article will explain in detail for you how to achieve dynamic form verification operations and TP framework inside the ajax form verification, editor feel very practical, so share to you to do a reference, I hope you can get something after reading this article.

Operation method of dynamic verification

Function yz () {if (empty ($_ POST)) {$this- > display ();} else {$db=D ("Info"); $shu=array (array ("Code", "require", "code cannot be empty", 0, "regex", 3),); if (! $db- > validate ($shu)-> create () {echo $db- > getError () } else {echo "verify passed";}

In the frame, use ajax to input the code, display the name and type the template.

Function ming () {$code=$_POST ["code"]; $db=D ("Info"); $data=$db- > find ($code); $name=$data ["name"]; $this- > ajaxReturn ($name, "eval");}

Form

Code name:

Js code

$(document) .ready (function (e) {$("# en") .click (function () {var code=$ ("# zhi"). Val (); $.ajax ({url: "_ _ CONTROLLER__/ming", data: {code:code}, type: "POST", dataType: "TEXT", success: function (data) {alert (data);}}) }) $("# yz") .blur (function () {var code=$ (this) .blur () $.ajax ({url: "_ _ CONTROLLER__/yan", data: {Code:code}, type: "POST", dataType: "TEXT", success: function (data) {if (data.trim () = = "ok") {$("# xs") .html ("Verification passed!") ; $("# xs"). Css ("color", "green");} else {$("# xs") .html (data); $("# xs") .css ("color", "red");});})})

Page display

Use ajax to make the error message of form validation be displayed directly behind.

Function yan () {$db=D ("Info"); $jieguo= ""; $shu=array (array ("Code", "require", "Code cannot be empty", 0, "regex", 3),); if (! $db- > validate ($shu)-> create ()) {$jieguo= $db- > getError ();} else {$jieguo= "ok" } $this- > ajaxReturn ($jieguo, "eval");}

Page display

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