1. input中允许输入年或年月或年月，即 2023 或 2023-09 或 2023-09-11

 pattern:/(^[1-2][0-9][0-9][0-9]-([1][0-2]|0?[1-9])-([12][0-9]|3[01]|0?[1-9])$)|(^[1-2][0-9][0-9][0-9]-([1][0-2]|0?[1-9])$)|(^[1-2][0-9][0-9][0-9]$)/

2. 只允许填入英文,数字,下划线和 -

 pattern: /^[A-Za-z0-9_-]+$/

3. 合法金额 xx.ss

pattern: /^(\d+)((?:\.\d+)?)$/,

4. 该数字是否大于0的数字（常用于【排序】字段）

 pattern: /^[1-9]\d*$/,

5. 校验数组

<template><el-form inline-message :model="form" :rules="rules"><el-descriptions-item v-else label="文件权限:" :span="1"><el-form-item prop="checkList"><el-checkbox v-model="form.fileBrowse" false-lable="0" true-label="1">浏览</el-checkbox><el-checkbox v-model="form.fileDownload" false-lable="0" true-label="1">下载</el-checkbox></el-form-item></el-descriptions-item><el-form>
</template><script><script>
export default {data() {var validatePremessions = (rule, value, callback) => {let result = validatenPremession(this.form.fileBrowse,this.form.fileDownload)if (result == false) {callback(new Error('请至少选择一种权限'))} else {callback()}}return {form: {borrowType: '0',fileBrowse: '0',fileDownload: '0',expectReturnTime: '',borrowDays: null,},rules: {checkList: [{ required: true, validator: validatePremessions, trigger: 'blur' },],},},
}

6. 长度不少于8个字符，需包含大小写英文、数字、特殊字符(！@#$%&?)

 pattern: /^(?=.*[A-Z])(?=.*[a-z])(?=.*\d)(?=.*[!@#$%&?])(?!.*\s).{8,}$/,