Introduction and example of Jquery form authentication class

The

  code is as follows:

<form action= "" method= "Post" id= "Formvalidate" >  value: <input name= "" type= "text" validate= "number"/>& lt;span></span><br/>  floating-point type: <input name= "" type= "text" validate= "decimal"/><span> </span><br/>  English: <input name= "" type= "text" validate= "中文版"/><span></span> <br/>  Capital English: <input name= "" type= "text" validate= "Upper_english"/><span></span><br/ >  lowercase English: <input name= "" type= "text" validate= "Lower_english"/><span></span><br/>   Message format: <input name= "" type= "text" validate= "email"/><span></span><br/>  whether to include Chinese: <input name= "" type= "text" validate= "Chinese"/><span></span><br/>  Url:<input, Name= "" Type= "text" validate= "url"/><span></span><br/>  phone number: <input name= "" type= "text" validate= "Phone"/><span></span><br/>  IP address: <input name= ""Type=" text "validate=" IP/><span></span><br/>  Amount: <input name= "" type= "text" Validate = "Money"/><span></span><br/>  numeric value or English or _:<input name= "type=" text "validate=" Number_ Letter "/><span></span><br/>  ZIP code: <input name=" "type=" text "validate=" Zip_Code "/> <span></span><br/>  available accounts: <input name= "" type= "text" validate= "account"/><span> </span><br/>  qq:<input name= "" type= "text" validate= "QQ"/><span></span><br/ >  ID: <input name= "" type= "text" validate= "card"/><span></span><br/>  values are allowed to be null: <input name= "" type= "text" validate= "number" empty= ' yes '/><span></span><br/>  numeric length 1-3: <input name= "" type= "text" validate= "number" min=1 max=3 value length 1-3 Allow null: <input name= "" type= "text" validate= "number" Min=1 max=3' Yes '/><span></span><br/>  <input name= ' type= ' Submit '/>  </form>   <script src= "jquery.js" type= "Text/javascript" ></script>  <script src= "Formvalidate.js" Type= "Text/javascript" ></script>  <script type= "Text/javascript" >  var formvalidate = new Formvalidate ();  formvalidate.init ({});  </script>    [javascript]  code is as follows:/*  * General JS Verification Class   * Use Method:  * var formvalidate = new Formvalidate ();  * Formvalidate.init ({});  * Note:  * &L T;form action= "" method= "Post" id= "Formvalidate" >  * ID is formvalidate  *  * <input name= "" Type= " Text "validate=" Zip_Code "empty=" yes "min=10 max=10/><span></span>  * validate=" Zip_Code " Verify that the ZIP code   * empty= "yes" verifies that nulls are allowed   * min=10 Minimum length   * max=10 Maximum length   * <span></span> display prompt content &nb Sp */  var formvalidate = function () {    var _this = this;    This.options = {  Number: {reg:/^[0-9]+$/, str: ' must be numeric '},  decimal: {reg:/^[-]{0,1} (d+) [.] + (d+) $/, str: ' must be in decimal format '},  Chinese: {reg:/^[a-za-z]+$/, str: ' must be English letter '},  upper_english: {reg:/^[a -z]+$/, str: ' must be uppercase English letter '},  lower_english: {reg:/^[a-z]+$/, str: ' must be lowercase English letter '},  Email: {reg:/^ ([a-za-z0- 9]+[_|_|.] *[a-za-z0-9]+@ ([a-za-z0-9]+[_|_|.]?) *[a-za-z0-9]+. [A-za-z] {2,3}$/, str: ' Email format incorrect '},  Chinese: {reg:/[u4e00-u9fa5uf900-ufa2d]/ig, str: ' must contain Chinese '},  URL: {reg:/^[ a-za-z]+://[^s]*/, str: ' URL format not correct '},  phone: {reg:/^[1][3][0-9]{9}$/, str: ' Phone number format is incorrect '},  IP: {reg:/^ (d +). (d+). (d+). (d+) $/, str: ' Incorrect IP address format '}, : {reg:/^[0-9]+[.] [0-9] {0,3}$/, str: ' The amount format is incorrect '},  number_letter: {reg:/^[0-9a-za-z_]+$/, str: ' Only allow input in English letters, numbers, _ '},  Zip_Code: {RE G:/^[a-za-z0-9]{3,12}$/, str: ' ZIP code incorrectly formatted '},  account: {reg:/^[a-za-z][a-za-z0-9_]{4,15}$/, str: ' Username notLegal, allow 5-16 characters, letters underline and number '},  QQ: {reg:/[1-9][0-9]{4,}/, str: ' QQ account incorrect '},  card: {reg:/^ (d{6}) (18|19|20)? ( D{2}) ([01]d) ([0123]d) (D{3}) (d| X)? $/, str: ' ID number incorrect '}, };   //initialization binding form options   This.init = function (options) {  this.setoption s (options);  this.checkform (); };   //setting parameters   This.setoptions = function (options) {  for ( var key in Options) {  if (key in this.options) {  This.options[key] = options[key]; } } };&nb Sp  //Detection form includes NULL, maximum minimum value, regular validation   this.checkform = function () {  $ ("#formValidate"). Submit (function () {&nbsp ; var Formchind = $ ("#formValidate"). Children ();  var testresult = true;  Formchind.each (function (i) {  var Child = Formchind.eq (i);  var value = Child.val ();  var len = value.length;  var childspan = Child.next ();    //property is empty case   if (child.attr (' empty ')) {  if (child.attr (' empty ') = = ' Yes ' && value= = ') {  if (Childspan) {  childspan.html ('); } -return; }   //Properties Min and Ma X Max and min length   var min = null;  var max = null;  if (child.attr (' min ')) min = child.attr (' min ');  if (chil D.attr (' Max ') max = child.attr (' Max ');  if (min && max) {  if (len < min | | len > Max) {  if (Childspan) {  childspan.html (');  childspan.html (' string length between ' + min + ' and ' + Max + ');  TestResult = false;  Retu rn; } } } else if (min) {  if (len < min) {  if (Childspan) {  childspan.html ('); &nbs P childspan.html (' string length should be greater than ' + min ');  testresult = false;  return; } } } else if (max) {  I F (Len > Max) {  if (Childspan) {  childspan.html (');  childspan.html (' string length should be less than ' + Max ');  testres Ult = false;  return; } } }   //Regular checksum   if (child.attr (' Validate ')) {  var type = Child.attr (' Validate ');  var result = _this.check (value, type);  if (Childspan) {  childspan.html (');  if (Result!= true) {  childspan.html (' + result);  TestResult = false; } -} }   });  return test result; }); };   //Detect a single regular option   This.check = function (value, type) {  if (this.options[type ]) {  var val = this.options[type][' reg '];  if (!val.test (value)) {  return this.options[type][' str '];& nbsp }  return true; } else {  "I can't find this form to validate the regular item '; } };     }