zhangmeng
2024-04-19 e3ba120cb766a17e098e58d11c39ffc600a3070c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
<template>
    <uvForm
        ref="uForm"
        :model="model"
        :rules="rules"
        :errorType="errorType"
        :borderBottom="borderBottom"
        :labelPosition="labelPosition"
        :labelWidth="labelWidth"
        :labelAlign="labelAlign"
        :labelStyle="labelStyle"
        :customStyle="customStyle"
    >
        <slot />
    </uvForm>
</template>
 
<script>
    /**
     * 此组件存在的理由是,在nvue下,u-form被uni-app官方占用了,u-form在nvue中相当于form组件
     * 所以在nvue下,取名为u--form,内部其实还是u-form.vue,只不过做一层中转
     */
    import uvForm from '../u-form/u-form.vue';
    import props from '../u-form/props.js'
    export default {
        // #ifdef MP-WEIXIN
        name: 'u-form',
        // #endif
        // #ifndef MP-WEIXIN
        name: 'u--form',
        // #endif
        mixins: [uni.$u.mpMixin, props, uni.$u.mixin],
        components: {
            uvForm
        },
        created() {
            this.children = []
        },
        methods: {
            // 手动设置校验的规则,如果规则中有函数的话,微信小程序中会过滤掉,所以只能手动调用设置规则
            setRules(rules) {
                this.$refs.uForm.setRules(rules)
            },
            validate() {
                /**
                 * 在微信小程序中,通过this.$parent拿到的父组件是u--form,而不是其内嵌的u-form
                 * 导致在u-form组件中,拿不到对应的children数组,从而校验无效,所以这里每次调用u-form组件中的
                 * 对应方法的时候,在小程序中都先将u--form的children赋值给u-form中的children
                 */
                // #ifdef MP-WEIXIN
                this.setMpData()
                // #endif
                return this.$refs.uForm.validate()
            },
            validateField(value, callback) {
                // #ifdef MP-WEIXIN
                this.setMpData()
                // #endif
                return this.$refs.uForm.validateField(value, callback)
            },
            resetFields() {
                // #ifdef MP-WEIXIN
                this.setMpData()
                // #endif
                return this.$refs.uForm.resetFields()
            },
            clearValidate(props) {
                // #ifdef MP-WEIXIN
                this.setMpData()
                // #endif
                return this.$refs.uForm.clearValidate(props)
            },
            setMpData() {
                this.$refs.uForm.children = this.children
            }
        },
    }
</script>