jQuery校验

mac2022-06-30  24

jQuery校验

官网地址:http://bassistance.de/jquery-plugins/jquery-plugin-validation

一导入js库

<script src="../js/jquery.js" type="text/javascript"></script><script src="../js/jquery.validate.js" type="text/javascript"></script>

二、默认校验规则

(1)required:true               必输字段(2)remote:"check.php"          使用ajax方法调用check.php验证输入值(3)email:true                  必须输入正确格式的电子邮件(4)url:true                    必须输入正确格式的网址(5)date:true                   必须输入正确格式的日期 日期校验ie6出错,慎用(6)dateISO:true                必须输入正确格式的日期(ISO),例如:2009-06-23,1998/01/22 只验证格式,不验证有效性(7)number:true                 必须输入合法的数字(负数,小数)(8)digits:true                 必须输入整数(9)creditcard:                 必须输入合法的信用卡号(10)equalTo:"#field"           输入值必须和#field相同(11)accept:                    输入拥有合法后缀名的字符串(上传文件的后缀)(12)maxlength:5                输入长度最多是5的字符串(汉字算一个字符)(13)minlength:10               输入长度最小是10的字符串(汉字算一个字符)(14)rangelength:[5,10]         输入长度必须介于 5 和 10 之间的字符串")(汉字算一个字符)(15)range:[5,10]               输入值必须介于 5 和 10 之间(16)max:5                      输入值不能大于5(17)min:10                     输入值不能小于10

 

三、默认的提示

messages: {    required: "This field is required.",    remote: "Please fix this field.",    email: "Please enter a valid email address.",    url: "Please enter a valid URL.",    date: "Please enter a valid date.",    dateISO: "Please enter a valid date (ISO).",    dateDE: "Bitte geben Sie ein g眉ltiges Datum ein.",    number: "Please enter a valid number.",    numberDE: "Bitte geben Sie eine Nummer ein.",    digits: "Please enter only digits",    creditcard: "Please enter a valid credit card number.",    equalTo: "Please enter the same value again.",    accept: "Please enter a value with a valid extension.",    maxlength: $.validator.format("Please enter no more than {0} characters."),    minlength: $.validator.format("Please enter at least {0} characters."),    rangelength: $.validator.format("Please enter a value between {0} and {1} characters long."),    range: $.validator.format("Please enter a value between {0} and {1}."),    max: $.validator.format("Please enter a value less than or equal to {0}."),    min: $.validator.format("Please enter a value greater than or equal to {0}.")},

如需要修改,可在js代码中加入:

jQuery.extend(jQuery.validator.messages, {        required: "必选字段",  remote: "请修正该字段",  email: "请输入正确格式的电子邮件",  url: "请输入合法的网址",  date: "请输入合法的日期",  dateISO: "请输入合法的日期 (ISO).",  number: "请输入合法的数字",  digits: "只能输入整数",  creditcard: "请输入合法的信用卡号",  equalTo: "请再次输入相同的值",  accept: "请输入拥有合法后缀名的字符串",  maxlength: jQuery.validator.format("请输入一个 长度最多是 {0} 的字符串"),  minlength: jQuery.validator.format("请输入一个 长度最少是 {0} 的字符串"),  rangelength: jQuery.validator.format("请输入 一个长度介于 {0} 和 {1} 之间的字符串"),  range: jQuery.validator.format("请输入一个介于 {0} 和 {1} 之间的值"),  max: jQuery.validator.format("请输入一个最大为{0} 的值"),  min: jQuery.validator.format("请输入一个最小为{0} 的值")});

推荐做法,将此文件放入messages_cn.js中,在页面中引入<script src="../js/messages_cn.js" type="text/javascript"></script>

四、使用方式

1.将校验规则写到控件中

<script src="../js/jquery.js" type="text/javascript"></script><script src="../js/jquery.validate.js" type="text/javascript"></script><script src="./js/jquery.metadata.js" type="text/javascript"></script>

$().ready(function() { $("#signupForm").validate();});

<form id="signupForm" method="get" action="">    <p>        <label for="firstname">Firstname</label>        <input id="firstname" name="firstname" class="required" />    </p> <p>  <label for="email">E-Mail</label>  <input id="email" name="email" class="required email" /> </p> <p>  <label for="password">Password</label>  <input id="password" name="password" type="password" class="{required:true,minlength:5}" /> </p> <p>  <label for="confirm_password">确认密码</label>  <input id="confirm_password" name="confirm_password" type="password" class="{required:true,minlength:5,equalTo:'#password'}" /> </p>    <p>        <input class="submit" type="submit" value="Submit"/>    </p></form>

使用class="{}"的方式,必须引入包:jquery.metadata.js

可以使用如下的方法,修改提示内容:class="{required:true,minlength:5,messages:{required:'请输入内容'}}"

在使用equalTo关键字时,后面的内容必须加上引号,如下代码:class="{required:true,minlength:5,equalTo:'#password'}"

 

 

2.将校验规则写到js代码中

$().ready(function() { $("#signupForm").validate({        rules: {   firstname: "required",   email: {    required: true,    email: true   },   password: {    required: true,    minlength: 5   },   confirm_password: {    required: true,    minlength: 5,    equalTo: "#password"   }  },        messages: {   firstname: "请输入姓名",   email: {    required: "请输入Email地址",    email: "请输入正确的email地址"   },   password: {    required: "请输入密码",    minlength: jQuery.format("密码不能小于{0}个字 符")   },   confirm_password: {    required: "请输入确认密码",    minlength: "确认密码不能小于5个字符",    equalTo: "两次输入密码不一致不一致"   }  }    });});

//messages处,如果某个控件没有message,将调用默认的信息

<form id="signupForm" method="get" action="">    <p>        <label for="firstname">Firstname</label>        <input id="firstname" name="firstname" />    </p> <p>  <label for="email">E-Mail</label>  <input id="email" name="email" /> </p> <p>  <label for="password">Password</label>  <input id="password" name="password" type="password" /> </p> <p>  <label for="confirm_password">确认密码</label>  <input id="confirm_password" name="confirm_password" type="password" /> </p>    <p>        <input class="submit" type="submit" value="Submit"/>    </p></form>

required:true 必须有值required:"#aa:checked"表达式的值为真,则需要验证required:function(){}返回为真,表时需要验证后边两种常用于,表单中需要同时填或不填的元素

转载于:https://www.cnblogs.com/suzhiyong1988/p/5101500.html

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