时间：2021-07-01 10:21:17 帮助过：16人阅读
插件主要代码:
//vdt.jsconst VDT = { messages: { required: "这是必填字段", remote: "请修正此字段", email: "请输入有效的电子邮件地址", url: "请输入有效的网址", date: "请输入有效的日期", dateISO: "请输入有效的日期 (YYYY-MM-DD)", number: "请输入有效的数字", digits: "只能输入数字", creditcard: "请输入有效的信用卡号码", equalTo: "你的输入不相同", extension: "请输入有效的后缀", minlength: "输入字数过短", maxlength: "输入字数过长", mphone: "请输入正确的手机号格式", tphone: "请输入正确的电话格式", postal: "请输入正确的邮编格式"
}, required: function (value, param) { return value != undefined ? (value.toString().length > 0) : false;
}, email: function (value) { return /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/.test(value);
}, url: function (value) { return /^(?:(?:(?:https?|ftp):)?\/\/)(?:\S+(?::\S*)?@)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})).?)(?::\d{2,5})?(?:[/?#]\S*)?$/i.test(value);
}, date: function (value) { return !/Invalid|NaN/.test(new Date(value).toString());
}, dateISO: function (value) { return /^\d{4}[\/\-](0?[1-9]|1[012])[\/\-](0?[1-9]|[12][0-9]|3[01])$/.test(value);
}, number: function (value) { return /^(?:-?\d+|-?\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test(value);
}, digits: function (value) { return /^\d+$/.test(value);
}, isarr: function (o) { return Object.prototype.toString.call(o) == '[object Array]';
}, minlength: function (value, param) { return value.length >= param;
}, maxlength: function (value, param) { return value.length <= param;
}, rangelength: function (value, param) { var length = $.isArray(value) ? value.length : this.getLength(value); return (length >= param[0] && length <= param[1]);
}, min: function (value, param) { return value >= param;
}, max: function (value, param) { return value <= param;
}, range: function (value, param) { return (value >= param[0] && value <= param[1]);
}, equalTo: function (value, param) { return value === param;
}, mphone: function (value) { return /^1[3|4|5|8][0-9]\d{4,8}$/.test(value);
}, tphone: function (value) { return /^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/.test(value);
}, postal: function (value) { return /^[a-zA-Z0-9 ]{3,12}$/g.test(value);
}, vdata: function (value, config) {//返回正确错误对象 提示 与结果
for (var fun in config) { if (typeof this[fun] == "function" && (!(config[fun].param == undefined ? this[fun](value) : this[fun](value, config[fun].param)))) { if (typeof config[fun] == "object") { return { msg: config[fun].msg ? config[fun].msg : this.messages[fun], result: false };
} else { return { msg: typeof config[fun] == "string" ? config[fun] : this.messages[fun], result: false };
}
} else if (typeof config[fun] == "function") { var tmpr = config[fun](value); if (tmpr != "" && tmpr != undefined && tmpr != false) { return { msg: tmpr, result: false }
}
}
} return { msg: "", result: true };
}
};使用(点击查看效果):
<!DOCTYPE html><html><head>
<meta charset="UTF-8">
<!-- 引入样式 -->
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-default/index.css"></head><body>
<div id="app">
<el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
<el-form-item label="活动名称" prop="name">
<el-input v-model="ruleForm.name"></el-input>
</el-form-item>
<el-form-item label="活动区域" prop="region">
<el-select v-model="ruleForm.region" placeholder="请选择活动区域">
<el-option label="区域一" value="shanghai"></el-option>
<el-option label="区域二" value="beijing"></el-option>
</el-select>
</el-form-item>
<el-form-item label="活动时间" required>
<el-col :span="11">
<el-form-item prop="date1">
<el-date-picker type="date" placeholder="选择日期" v-model="ruleForm.date1" style="width: 100%;"></el-date-picker>
</el-form-item>
</el-col>
<el-col class="line" :span="2">-</el-col>
<el-col :span="11">
<el-form-item prop="date2">
<el-time-picker type="fixed-time" placeholder="选择时间" v-model="ruleForm.date2" style="width: 100%;"></el-time-picker>
</el-form-item>
</el-col>
</el-form-item>
<el-form-item label="即时配送" prop="delivery">
<el-switch on-text="" off-text="" v-model="ruleForm.delivery"></el-switch>
</el-form-item>
<el-form-item label="活动性质" prop="type">
<el-checkbox-group v-model="ruleForm.type">
<el-checkbox label="美食/餐厅线上活动" name="type"></el-checkbox>
<el-checkbox label="地推活动" name="type"></el-checkbox>
<el-checkbox label="线下主题活动" name="type"></el-checkbox>
<el-checkbox label="单纯品牌曝光" name="type"></el-checkbox>
</el-checkbox-group>
</el-form-item>
<el-form-item label="特殊资源" prop="resource">
<el-radio-group v-model="ruleForm.resource">
<el-radio label="线上品牌商赞助"></el-radio>
<el-radio label="线下场地免费"></el-radio>
</el-radio-group>
</el-form-item>
<el-form-item label="活动形式" prop="desc">
<el-input type="textarea" v-model="ruleForm.desc"></el-input>
</el-form-item>
<el-form-item>
<el-button type="primary" @click="submitForm('ruleForm')">立即创建</el-button>
<el-button @click="resetForm('ruleForm')">重置</el-button>
</el-form-item>
</el-form>
</div></body><script src="./vdt.js"></script><script src="https://unpkg.com/vue/dist/vue.js"></script><script src="https://unpkg.com/element-ui/lib/index.js"></script><script>
var app = new Vue({ el: '#app', data: { ruleForm: { name: '', region: '', date1: '', date2: '', delivery: false, type: [], resource: '', desc: ''
}, rules: { name: (rule, value, callback) => { var vdt = VDT.vdata(value, { "required": { msg: "请输入活动名称" }, "maxlength": { param: "5", msg: "最大值不能超过5位" }, "minlength": { param: "3", msg: "最小值不能低于3位" } }); if (!vdt.result) {
callback(new Error(vdt.msg));
} else {
callback();
}
}, region: (rule, value, callback) => { var vdt = VDT.vdata(value, { "required":{}} ); if (!vdt.result) {
callback(new Error(vdt.msg));
} else {
callback();
}
}, date1:(rule, value, callback) => { var vdt = VDT.vdata(value, { "required": { msg: "请选择日期" } }); if (!vdt.result) {
callback(new Error(vdt.msg));
} else {
callback();
}
}, date2:(rule, value, callback) => { var vdt = VDT.vdata(value, { "required": { msg: "请选择日期" } }); if (!vdt.result) {
callback(new Error(vdt.msg));
} else {
callback();
}
},
type:(rule, value, callback) => { var vdt = VDT.vdata(value, { "required": { msg: "请至少选择一个活动性质" } }); if (!vdt.result) {
callback(new Error(vdt.msg));
} else {
callback();
}
}, resource: (rule, value, callback) => { var vdt = VDT.vdata(value, { "required": { msg: "请选择活动资源" } }); if (!vdt.result) {
callback(new Error(vdt.msg));
} else {
callback();
}
}, desc: (rule, value, callback) => { var vdt = VDT.vdata(value, { "required": { msg: "请填写活动形式" } }); if (!vdt.result) {
callback(new Error(vdt.msg));
} else {
callback();
}
}
}
}, methods: {
submitForm(formName) { this.$refs[formName].validate((valid) => { if (valid) {
alert('验证成功!');
} else {
alert('验证失败!!'); return false;
}
});
},
resetForm(formName) { this.$refs[formName].resetFields();
}
}
})</script></html>相信看了本文案例你已经掌握了方法，更多精彩请关注Gxl网其它相关文章！
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以上就是Element UI的自定义表单验证插件的使用的详细内容，更多请关注Gxl网其它相关文章！