Detailed explanation of vue and vue-validator to implement form verification function-JS Tutorial-php.cn

Detailed explanation of vue and vue-validator to implement form verification function

小云云

Release： 2018-05-17 16:43:40

Original

4202 people have browsed it

This article mainly introduces the implementation code of vue+vue-validator form verification function. It is very good and has reference value. Friends who need it can refer to it. I hope it can help everyone.

The following is an introduction to the vue+vue-validator form verification function. The specific code is as follows:

<!DOCTYPE html> 
<html lang="en"> 
<head> 
  <meta charset="UTF-8"> 
  <title>Title</title> 
</head> 
<body> 
  <p id="app"> 
    <validator name="myForm"> 
      <form novalidate> 
        Zip: <input type="text" v-validate:zip="[&#39;required&#39;]"><br /> 
        <p> 
          <span v-if="$myForm.zip.required">Zip code is required.</span> 
        </p> 
      </form> 
    </validator> 
  </p> 
  <script src="https://unpkg.com/vue@1.0.26/dist/vue.min.js"></script> 
  <script src="https://cdn.bootcss.com/vue-validator/2.1.3/vue-validator.js"></script> 
  <script> 
    new Vue({ 
      el:"#app" 
    }) 
  </script> 
</body> 
</html>

Copy after login

<!DOCTYPE html> 
<html> 
 <head> 
  <meta charset="utf-8"> 
  <title>radio button validation example</title> 
  <script src="../../node_modules/vue/dist/vue.js"></script> 
  <script src="../../dist/vue-validator.js"></script> 
  <style> 
   input.invalid { border-color: red; } 
   .errors { color: red; } 
  </style> 
 </head> 
 <body> 
  <p id="app"> 
   <h1>Survey</h1> 
   <validity-group field="fruits" v-model="validation" :validators="{ 
    required: { message: requiredErrorMsg } 
   }"> 
    <legend>Which do you like fruit ?</legend> 
    <input id="apple" type="radio" name="fruit" value="apple" @change="handleValidate" @focusin="handleValidate"> 
    <label for="apple">Apple</label> 
    <input id="orange" type="radio" name="fruit" value="orange" @change="handleValidate" @focusin="handleValidate"> 
    <label for="orange">Orage</label> 
    <input id="grape" type="radio" name="fruit" value="grage" @change="handleValidate" @focusin="handleValidate"> 
    <label for="grape">Grape</label> 
    <input id="banana" type="radio" name="fruit" value="banana" @change="handleValidate" @focusin="handleValidate"> 
    <label for="banana">Banana</label> 
    <ul class="errors"> 
     <li v-for="error in validation.result.errors"> 
      <p :class="error.field + &#39;-&#39; + error.validator">{{error.message}}</p> 
     </li> 
    </ul> 
   </validity-group> 
  </p> 
  <script> 
   new Vue({ 
    data: { 
     validation: { 
      result: {} 
     } 
    }, 
    computed: { 
     requiredErrorMsg: function () { 
      return &#39;Required fruit !!&#39; 
     } 
    }, 
    methods: { 
     handleValidate: function (e) { 
      var $validity = e.target.$validity  
      $validity.validate() 
     } 
    } 
   }).$mount(&#39;#app&#39;) 
  </script> 
 </body> 
</html>

Copy after login

Everyone Have you learned it? Hurry up and give it a try.

Related recommendations:

jquery form validation plug-in

A simple example of JavaScript implementing form validation function

Sample code for implementing basic form validation using pure JavaScript

The above is the detailed content of Detailed explanation of vue and vue-validator to implement form verification function. For more information, please follow other related articles on the PHP Chinese website!