element vue validate验证名称重复验证名称重复 输入框与后台重复验证输入框与后台重复验证 特特
殊字符殊字符 字符长度字符长度 及注意事项小结【实例代码】及注意事项小结【实例代码】
具体代码如下所示:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css" rel="external nofollow" >
</head>
<body >
<div id="app">
<!--此处model的abc 要是下面input 绑定的对象名称, ref 要和提交按钮的submit参数 名称要一致-->
<el-form size="mini" :model="abc" ref="validateRef">
<!--此处的prop 和input 中abc的属性名称一致 -->
<el-form-item label="你好" prop="hello" :rules="[{required: true,message:'请输入',trigger:'blur'}
,{validator:validateCharacter,trigger:'blur'}
,{validator:validateFontSize,trigger:'blur'}
,{validator:validatePass,trigger:'blur'}]">
<el-input type="text" v-model="abc.hello" placeholder="请输入..." clearable></el-input>
</el-form-item>
</el-form>
<el-button @click="submit('validateRef')" type="primary" :loading="submitLoading">提交</el-button>
</div>
<!-- import Vue before Element -->
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<!-- import JavaScript -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<script>
var context=[[${#request.getContextPath()}]];
var ArrayMap = new Vue({
el: '#app',
data: function () {
return {
abc: {
hello: '',
},
submitLoading:false,
}
},
methods: {
//特殊字符过滤
checkSpecificKey(str) {
var specialKey = "[`~!#$^&*()=|{}':;',\[\].<>/?~!#¥……&*()——|{}【】‘;:”“'。,、?]‘'";
for (var i = 0; i < str.length; i++) {
if (specialKey.indexOf(str.substr(i, 1)) != -1) {
return false;
}
}
return true;
},
//验证字符串
validatePass(rule,value,callback){
var that=this;
$.ajax({
url:context+"/abc?name="+that.abc.hello,
type:"GET",
async:false,
dataType:"json",
contentType:"application/json;charset=UTF-8",
data:{}
}).done(function(resp){
if(resp.data.isTrue){
callback();
}else{
callback(new Error("名称重复,请重新输入"))
}
})
},
//验证字符串
validateFontSize(rule,value,callback){
if(value.length<30){
callback();
}else{
callback(new Error("字符串长度在1-30之间"))
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