geg-gas-web/dev_tools/template_extend.js

const fs = require('fs');
const path = require('path');
const filePath = path.join(process.cwd(), 'config.ts');
if (fs.existsSync(filePath)) {
    console.log('Reading ' + filePath);
    const file = fs.readFileSync(filePath, 'utf-8');
    const fileArr = file.split('\n');
    const confArr = [];
    let parseStart = false;

    fileArr.forEach((row) => {
        if (!parseStart && row.indexOf('export const formProps: FormProps =') >= 0) {
            parseStart = true;
            confArr.push('{');
            return;
        }
        if (parseStart) {
            if (row.indexOf('};') === 0) {
                confArr.push('}');
                parseStart = false;
                return;
            }
            confArr.push(row);
        }
    });
    console.log('total rows: ' + confArr.length);
    formProps = eval('(' + confArr.join('\n') + ')');
} else {
    process.exit(0);
}

let tmpl = '';
let tabCount = 0;
const refList = [];

// 用于将config的表单格式展开成字段，以便二开
formProps.schemas.forEach((prop) => {
    appendTmpl(prop);
});

function appendTmpl(prop) {
    let schema = `schemaMap['${prop.key}']`;
    // 栅格布局
    if (prop.component == 'Grid') {
        prop.children.forEach((child) => {
            child.list.forEach((listChild) => {
                appendTmpl(listChild);
            });
        });
        return;
    } else if (prop.component == 'Tab') {
        appendTabTmpl(prop);
    } else if (prop.component == 'TableLayout') {
        appendTableLayoutTmpl(prop);
    } else if (prop.component == 'Card') {
        appendCardTmpl(prop);
    }
    tmpl += `
    <!-- ${prop.label || prop.field || prop.component}  -->
    <Col v-if="getIfShow2('${prop.key}')" v-show="getIsShow2('${prop.key}')" :span="getColWidth(${schema})">
        <template v-if="showComponent(${schema})">
            <SimpleFormItem v-model:value="formModel[${schema}.field]" :form-api="formApi" :isWorkFlow="isWorkFlow" :refreshFieldObj="refreshFieldObj" :schema="${schema}" />
        </template>
    </Col>
    `;
}

function appendTabTmpl(prop) {
    let schema = `schemaMap['${prop.key}']`;
    tabCount += 1;
    refList.push(`const activeKey${tabCount} = ref(0);`);
    tmpl += `<Tabs v-model:activeKey="activeKey${tabCount}" v-bind="getTabProps('${prop.key}')">\n`;
    prop.children.forEach((tabChild) => {
        tmpl += `<TabPane :forceRender="true" tab="${tabChild.name}">\n`;
        tabChild.list.forEach((listChild) => {
            appendTmpl(listChild);
        });
        tmpl += `</TabPane>\n`;
    });
    tmpl += `</Tabs>\n`;
}

function appendTableLayoutTmpl(prop) {
    let schema = `schemaMap['${prop.key}']`;
    tmpl += `<TableLayoutPreview :element="${schema}">`;
    tmpl += `   <template #tdElement="{ tdElement }">`;
    tmpl += `        <div class="h-full">`;
    tmpl += `<div style="getTdStyle(tdElement)">`;
    prop.children.forEach((child) => {
        let childSchema = `schemaMap['${child.key}']`;
        tmpl += `<SimpleFormItem v-if="getIfShow2(${childSchema})" v-show="getIsShow2(${childSchema})" v-model:value="formModel[${childSchema}.field]" :form-api="formApi" :isWorkFlow="isWorkFlow" :refreshFieldObj="refreshFieldObj" :schema="${childSchema}" />`;
    });
    tmpl += `</div>`;
    tmpl += `        </div>`;
    tmpl += `    </template>`;
    tmpl += `</TableLayoutPreview>`;
}

function appendCardTmpl(prop) {
    let schema = `schemaMap['${prop.key}']`;
    tmpl += `<CollapseContainer :bordered="false" :hasLeftBorder="true" title="${prop.componentProps.title}">`;
    prop.children[0].list.forEach((lChild) => {
        const childSchema = `schemaMap['${lChild.key}']`;
        tmpl += ` <SimpleFormItem v-model:value="formModel[${childSchema}.field]" :form-api="formApi" :isWorkFlow="isWorkFlow" :refreshFieldObj="refreshFieldObj" :schema="${childSchema}" />`;
    });
    tmpl += `</CollapseContainer>`;
}

const fullVue = `
<template>
    <div ref="formWrap">
        <Form ref="formRef" :label-col="getProps?.labelCol" :labelAlign="getProps?.labelAlign" :layout="getProps?.layout" :model="formModel" :wrapper-col="getProps?.wrapperCol" @keypress.enter="handleEnterPress">
          ${tmpl}
           <div :style="{ textAlign: getProps.buttonLocation }">
                <slot name="buttonBefore"></slot>
                <a-button v-if="getProps.showSubmitButton" type="primary" @click="handleSubmit">
                    {{ t('提交') }}
                </a-button>
                <a-button v-if="getProps.showResetButton" style="margin-left: 10px" @click="handleReset">
                    {{ t('重置') }}
                </a-button>
                <slot name="buttonAfter"></slot>
            </div>
        </Form>
    </div>
</template>

<script>
    // 注意，这里继承的是SimpleFormSetup，使用script setup写法的组件无法继承，必须使用特别的版本
    import SimpleFormSetup from '/@/components/SimpleForm/src/SimpleFormSetup.vue';
    import { Col, Form, Row } from 'ant-design-vue';
    import SimpleFormItem from '/@/components/SimpleForm/src/components/SimpleFormItem.vue';
    import { ref } from 'vue';
    import { CheckCircleOutlined } from '@ant-design/icons-vue';

    const FormItem = Form.Item;

    export default {
        components: { CheckCircleOutlined, Form, Col, SimpleFormItem, Row, FormItem },
        mixins: [SimpleFormSetup],
        setup(props, ctx) {
            const ret = SimpleFormSetup.setup(props, ctx);
            const expose = ctx.expose;
            ${refList.join('\n')}
            expose({
                ...ret.formApi,
            });

            return {
                ...ret
            };
        },
        computed: {
            // 这里需要增加一个计算属性 否则流程关联时字段读写状态会失效
            schemaMap() {
                const schemaMap = {};
                this.getSchemas.forEach((schema) => {
                    schemaMap[schema.key] = schema;
                    if(schema.children) {
                        schema.children.forEach(sChild=>{
                           if(sChild.list){
                               sChild.list.forEach(lChild=>{
                                   schemaMap[lChild.key] = lChild;
                               });
                           } 
                        });
                    }
                });
                return schemaMap;
            }
        },
        methods: {
            getIfShow2: function (key) {
                return this.getIfShow(this.schemaMap[key], this.formModel[this.schemaMap[key].field]);
            },

            getIsShow2: function (key) {
                return this.getIsShow(this.schemaMap[key], this.formModel[this.schemaMap[key].field]);
            },

            getTabProps(key) {
                const schema = this.schemaMap[key];
                return {
                    size: schema.componentProps.tabSize,
                    tabPosition: schema.componentProps.tabPosition,
                    type: schema.componentProps.type
                }
            },
            
            getTdStyle(tdElement) {
                return {
                    height: tdElement.height ? tdElement.height + 'px' : '',
                    minHeight: (tdElement.height || '42') + 'px',
                    overflow: 'hidden',
                    padding: '10px'
                }
            }
        }
    };
</script>
`;

fs.writeFile('./template.vue', fullVue, (err) => {
    if (err) throw err;
    console.log('The file has been saved!');
});