iview 表单验证不通过问题?

项目需要,需要怂iview.。使用一段时间感觉跟elementUI用起来差不多很方便。使用过程中遇到表单验证问题,如何避免在验证过程中偶尔出现验证不通过的异常情况?

《1》:给 <Form> 标签设置属性 :model = "fromdata" 与 :rules = "fromrules" 与 ref = "fromdatadom"

《2》:同时给需要验证的每个 <FormItem> 设置属性 prop ,同时在fromrules中定义该属性的校验规则

《3》:将需要验证的每个属性值定义在fromdata内,并:model 绑定在 input上。必须设置,某个值改变验证依然通不过

《4》:在操作保存按钮时,通过ref = "fromdatadom"设置某个范围内验证,参数为检验完的回调,会返回一个 Boolean 表示成功与失败
    handleSubmit (name) {
      this.$refs[name].validate((valid) => {
        if (valid) {
          this.$Message.success('Success!');
        } else {
          this.$Message.error('Fail!');
        }
      })
    }

以上是验证的基本步骤,但是我做的过程中遇到的的问题是由于iview默认校验数据类型为string,而偶尔其他数据类型没注意。iview的type验证种类:

type: 'string', //iview默认校验数据类型为String
type: 'array',
type:'number'
type:'integer'  //Must be of type number and an integer.
type:'float'    //Must be of type number and a floating point number.
type:'boolean'
type:'object'   //Must be of type object and not Array.isArray.
type:'array'    //Must be an array as determined by Array.isArray.
type:'regexp'   //正则
type: 'email',
type: 'date', 		
type:'url'      //Must be of type url.
enum: Value must exist in the enum.
hex: Must be of type hex.

 更多iview验证详情见:https://github.com/yiminghe/async-validator

例子:

<template>
    <Form ref="formValidate" :model="formValidate" :rules="ruleValidate" :label-width="80">
        <FormItem label="电话" prop="tel">
            <Input v-model="formValidate.mail" placeholder="请输入号码"></Input>
        </FormItem>
        <FormItem label="邮箱" prop="mail">
            <Input v-model="formValidate.mail" placeholder="Enter your e-mail"></Input>
        </FormItem>
        <FormItem label="城市" prop="city">
            <Select v-model="formValidate.city" placeholder="Select your city">
                <Option value="beijing">New York</Option>
                <Option value="shanghai">London</Option>
                <Option value="shenzhen">Sydney</Option>
            </Select>
        </FormItem>
        <FormItem label="日期">
            <Row>
                <Col span="11">
                    <FormItem prop="date">
                        <DatePicker type="date" placeholder="Select date" v-model="formValidate.date"></DatePicker>
                    </FormItem>
                </Col>
                <Col span="2" style="text-align: center">-</Col>
                <Col span="11">
                    <FormItem prop="time">
                        <TimePicker type="time" placeholder="Select time" v-model="formValidate.time"></TimePicker>
                    </FormItem>
                </Col>
            </Row>
        </FormItem>
        <FormItem label="性别" prop="gender">
            <RadioGroup v-model="formValidate.gender">
                <Radio label="man"></Radio>
                <Radio label="gril"></Radio>
            </RadioGroup>
        </FormItem>
        <FormItem label="爱好" prop="interest">
            <CheckboxGroup v-model="formValidate.interest">
                <Checkbox label="Eat"></Checkbox>
                <Checkbox label="Sleep"></Checkbox>
                <Checkbox label="Run"></Checkbox>
                <Checkbox label="Movie"></Checkbox>
            </CheckboxGroup>
        </FormItem>
        <FormItem label="备注" prop="desc">
            <Input v-model="formValidate.desc" type="textarea" :autosize="{minRows: 2,maxRows: 5}" placeholder="Enter something..."></Input>
        </FormItem>
        <FormItem>
            <Button type="primary" @click="handleSubmit('formValidate')">Submit</Button>
            <Button @click="handleReset('formValidate')" style="margin-left: 8px">Reset</Button>
        </FormItem>
    </Form>
</template>
<script>
    export default {
        const valideTel = (rule, value, callback) => {
          var re = /^1[0-9]{10}/
          if (value === '' || value === null) {
            callback(new Error('请输入手机号'))
          } else if (!re.test(value)) {
            callback(new Error('请输入正确手机号'))
          } else {
            callback()
          }
        }
        data () {
            return {
                formValidate: {
                    mail: '',
                    city: '',
                    gender: 'male',
                    interest: [],
                    date: '',
                    time: '',
                    desc: '',
                    tel:''
                },
                ruleValidate: {
                    tel: [
                        {
                            validator: valideTel,
                            required: true,
                            trigger: 'blur'
                        }
                    ],
                    mail: [
                        { required: true, message: 'Mailbox cannot be empty', trigger: 'blur' },
                        { type: 'email', message: 'Incorrect email format', trigger: 'blur' }
                    ],
                    city: [
                        { required: true, message: 'Please select the city', trigger: 'change' }
                    ],
                    gender: [
                        { required: true, message: 'Please select gender', trigger: 'change' }
                    ],
                    interest: [
                        { required: true, type: 'array', min: 1, message: 'Choose at least one hobby', trigger: 'change' },
                        { type: 'array', max: 2, message: 'Choose two hobbies at best', trigger: 'change' }
                    ],
                    date: [
                        { required: true, type: 'date', message: 'Please select the date', trigger: 'change' }
                    ],
                    time: [
                        { required: true, type: 'string', message: 'Please select time', trigger: 'change' }
                    ],
                    desc: [
                        { required: true, message: 'Please enter a personal introduction', trigger: 'blur' },
                        { type: 'string', min: 20, message: 'Introduce no less than 20 words', trigger: 'blur' }
                    ]
                }
            }
        },
        methods: {
            handleSubmit (name) {
                this.$refs[name].validate((valid) => {
                    if (valid) {
                        this.$Message.success('Success!');
                    } else {
                        this.$Message.error('Fail!');
                    }
                })
            },
            handleReset (name) {
                this.$refs[name].resetFields();
            }
        }
    }
</script>

 

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转载自www.cnblogs.com/changxue/p/10947368.html
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