tduck-front/src/views/form/ProjectForm.vue

<template>
    <div class="project-form"
         :style="{backgroundColor:projectTheme.backgroundColor,
                  background:projectTheme.backgroundImg?'url('+projectTheme.backgroundImg+')  no-repeat center':''}"
    >
        <div class="">
            <div :style="{textAlign:projectTheme.logoPosition}">
                <img
                    :src="projectTheme.logoImg" class="logo-img"
                >
            </div>
            <el-image
                v-if="projectTheme.headImgUrl"
                :src="projectTheme.headImgUrl"
                style="width: 100%;"
                fit="scale-down"
            />
            <h4 v-if="projectTheme.showTitle" class="form-name-text" style="text-align: center;">
                {{ formConf.title }}
            </h4>
            <div
                v-show="projectTheme.showDescribe"
                class="form-name-text" v-html="formConf.description"
            />
            <el-divider />
            <parser v-if="startParser" :form-conf="formConf" @submit="submitForm" />
        </div>
    </div>
</template>

<script>
import Parser from '@/components/parser/Parser'
import {dbDataConvertForItemJson} from '@/utils/convert'
import {getExpression} from '@/utils/expression'

window.onload = function() {
    document.addEventListener('touchstart', function(event) {
        if (event.touches.length > 1) {
            event.preventDefault()
        }
    })
    document.addEventListener('gesturestart', function(event) {
        event.preventDefault()
    })
}
export default {
    components: {
        Parser
    },
    props: {
        projectConfig: {
            projectKey: '',
            showBtns: true,
            // 项目种类  1 普通  2模板
            projectKind: 1
        }
    },
    data() {
        return {
            logicShowTriggerRule: {},
            startParser: false,
            projectTheme: {
                headImgUrl: '',
                logoImg: '',
                showTitle: true,
                showDescribe: true
            },
            formConf: {
                fields: [],
                logicShowRule: {},
                projectKey: '',
                projectKind: 1,
                __methods__: {},
                formRef: 'elForm',
                formModel: 'formData',
                labelFormModel: 'labelFormData',
                size: 'small',
                labelPosition: 'top',
                labelWidth: 100,
                formRules: 'rules',
                gutter: 15,
                disabled: false,
                span: 24,
                formBtns: true,
                resetBtn: false,
                submitBtnText: '提交',
                submitBtnColor: '#409EFF',
                showNumber: false,
                unFocusedComponentBorder: true
            }
        }
    },
    computed: {},
    watch: {},
    beforeCreate() {
        document.querySelector('body').className = 'project-body'
    },
    created() {
        if (this.projectConfig && this.projectConfig.projectKey) {
            this.formConf.projectKey = this.projectConfig.projectKey
            if (this.projectConfig.projectKind) {
                this.formConf.projectKind = this.projectConfig.projectKind
            }
        } else if (this.$route.query.key) {
            // 不存去路由中尝试获取 iframe
            this.formConf.projectKey = this.$route.query.key
            if (this.$route.query.kind) {
                this.formConf.projectKind = this.$route.query.kind
            }
            this.formConf.formBtns = true
        }
        this.formConf.size = window.innerWidth < 480 ? 'medium' : 'small'
    },
    async mounted() {
        let url = `/user/project/details/${this.formConf.projectKey}`
        if (this.formConf.projectKind == 2) {
            url = `/project/template/details/${this.formConf.projectKey}`
        }
        let logicItemList = []
        // 处理逻辑表单
        if (this.formConf.projectKind == 1) {
            let res = await this.queryLogicItemList()
            logicItemList = res.data
        }
        let logicItemMap = new Map()
        logicItemList.forEach(item => {
            logicItemMap.set(item.formItemId, item)
            this.logicShowTriggerHandle(item)
        })
        this.$api.get(url).then(res => {
            if (res.data) {
                let serialNumber = 1
                let fields = res.data.projectItems.map(item => {
                    let projectItem = dbDataConvertForItemJson(item)
                    projectItem.serialNumber = serialNumber
                    projectItem.logicShow = !logicItemMap.get(projectItem.formItemId)
                    serialNumber++
                    return projectItem
                })
                this.formConf.fields = fields
                if (res.data.project) {
                    this.formConf.title = res.data.project.name
                    this.formConf.description = res.data.project.describe
                }
                this.formConf.logicShowRule = this.logicShowTriggerRule
                // 主题数据
                if (res.data.userProjectTheme) {
                    this.projectTheme = res.data.userProjectTheme
                    let {submitBtnText, showNumber, btnsColor} = res.data.userProjectTheme
                    if (submitBtnText) this.formConf.submitBtnText = submitBtnText
                    if (showNumber) this.formConf.showNumber = showNumber
                    if (btnsColor) this.formConf.submitBtnColor = btnsColor
                }
                this.startParser = true

            }
        })
    },
    methods: {
        /**
         * 处理逻辑显示数据
         */
        logicShowTriggerHandle(logicItem) {
            if (!logicItem) {
                return
            }
            // 建立触发关系 该字段值发生变化时 哪些问题需要进行逻辑判断 确定是否显示
            logicItem.conditionList.forEach(item => {
                let rules = this.logicShowTriggerRule[item.formItemId]
                if (!rules) {
                    rules = new Array()
                }
                rules.push({
                    // 触发的字段
                    triggerFormItemId: logicItem.formItemId,
                    logicExpression: getExpression(logicItem.conditionList, logicItem.expression)
                })
                this.logicShowTriggerRule[item.formItemId] = rules
            })
        },
        // 统一处理axios请求
        queryLogicItemList() {
            return new Promise((resolve, reject) => {
                this.$api.get('/user/project/logic/list', {params: {projectKey: this.formConf.projectKey}})
                    .then(res => {
                        resolve(res)
                    }).catch(err => {
                        reject(err)
                    })
            })
        },
        submitForm(data) {
            this.$emit('submit', data)
        }
    }
}
</script>

<style lang="scss">

.project-form {
    margin: 15px auto;
    width: 800px;
    padding: 15px;
    background-repeat: repeat;
    background-color: rgba(229, 239, 247, 0.87);
}
.project-body::-webkit-scrollbar {
    width: 0 !important;
    background: transparent;
}
.project-body {
    -ms-overflow-style: none;
    overflow: -moz-scrollbars-none;
}
.logo-img {
    max-height: 120px;
}
.submit-btn-form-item {
    text-align: left;
}
.submit-btn-form-item button {
    width: 20%;
}
@media screen and (max-width: 750px) {
    .project-form {
        margin: 0;
        width: 100% !important;
        background-color: white;
    }
    .logo-img {
        max-height: 2.94rem;
    }
    .submit-btn-form-item {
        text-align: center;
    }
    .submit-btn-form-item button {
        width: 80%;
    }
}
@media screen and (max-width: 500px) {
    .el-message {
        min-width: 300px !important;
    }
}
</style>