mirror of
https://github.com/kuaifan/dootask.git
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397 lines
12 KiB
Vue
397 lines
12 KiB
Vue
<template>
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<div class="micro-app-iframe">
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<iframe
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ref="iframe"
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class="micro-app-iframe-container"
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:class="{'iframe-immersive': immersive}"
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:src="src"
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sandbox="allow-scripts allow-forms allow-same-origin allow-popups allow-popups-to-escape-sandbox">
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</iframe>
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<div v-if="isLoading" class="micro-app-iframe-cover"></div>
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</div>
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</template>
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<style lang="scss" scoped>
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.micro-app-iframe {
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position: relative;
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width: 100%;
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height: 100%;
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.micro-app-iframe-container {
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border: none;
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width: 100%;
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height: 100%;
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padding-top: var(--status-bar-height);
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padding-bottom: var(--navigation-bar-height);
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&.iframe-immersive {
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padding-top: 0;
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padding-bottom: 0;
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}
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}
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.micro-app-iframe-cover {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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z-index: 100;
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}
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}
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</style>
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<script>
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export default {
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name: "MicroIFrame",
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props: {
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name: {
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type: String,
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default: ''
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},
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url: {
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type: String,
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default: ''
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},
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data: {
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type: Object,
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default: null
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},
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immersive: {
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type: Boolean,
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default: false
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}
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},
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data() {
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return {
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src: this.url,
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isReady: false,
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isLoading: true,
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hasMounted: false,
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hearTbeatLastTime: 0,
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}
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},
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mounted() {
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this.pendingBeforeCloses = new Map();
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this.pendingFunctionCalls = new Map();
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this.boundHandleMessage = this.handleMessage.bind(this);
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this.boundHandleLoad = this.handleLoad.bind(this);
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this.boundHandleError = this.handleError.bind(this);
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this.injectMicroApp();
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window.addEventListener('message', this.boundHandleMessage);
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this.$refs.iframe.addEventListener('load', this.boundHandleLoad);
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this.$refs.iframe.addEventListener('error', this.boundHandleError);
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},
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beforeDestroy() {
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this.cleanupMicroApp();
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// 正确移除事件监听器
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if (this.boundHandleMessage) {
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window.removeEventListener('message', this.boundHandleMessage);
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}
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if (this.boundHandleLoad) {
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this.$refs.iframe.removeEventListener('load', this.boundHandleLoad);
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}
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if (this.boundHandleError) {
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this.$refs.iframe.removeEventListener('error', this.boundHandleError);
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}
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// 清理待处理的函数调用
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if (this.pendingFunctionCalls) {
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this.pendingFunctionCalls.forEach(pending => {
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clearTimeout(pending.timeout);
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pending.reject(new Error('Component destroyed'));
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});
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this.pendingFunctionCalls.clear();
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}
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// 清理待处理的关闭回调
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if (this.pendingBeforeCloses) {
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this.pendingBeforeCloses.forEach(resolve => {
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resolve(false);
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});
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this.pendingBeforeCloses.clear();
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}
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},
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methods: {
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// 处理 iframe 加载完成
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handleLoad() {
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// 总是执行注入
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this.injectMicroApp()
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// 只触发一次 mounted 事件
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if (!this.hasMounted) {
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this.hasMounted = true
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this.$emit('mounted', {
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detail: {
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name: this.name,
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}
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})
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}
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},
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// 处理 iframe 加载错误
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handleError(e) {
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this.$emit('error', {
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detail: {
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name: this.name,
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error: e,
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}
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})
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},
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// 处理 iframe 消息
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handleMessage(e) {
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if (!this.isFromCurrentIframe(e)) {
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return
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}
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const type = e.data.type;
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const message = this.handleMessageEnsureJson(e.data.message);
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switch (type) {
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case 'MICRO_APP_READY':
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this.handleMessageOfReady(message);
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break
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case 'MICRO_APP_HEARTBEAT':
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this.handleMessageOfHeartbeat(message);
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break
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case 'MICRO_APP_METHOD':
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this.handleMessageOfMethod(message)
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break
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case 'MICRO_APP_FUNCTION_RESULT':
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this.handleMessageOfFunctionResult(message)
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break
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case 'MICRO_APP_BEFORE_CLOSE':
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this.handleMessageOfBeforeClose(message)
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break
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case 'MICRO_APP_BEFORE_UNLOAD':
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this.handleMessageOfBeforeUnload(message);
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break
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default:
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break
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}
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},
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// 确保消息是 JSON 格式
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handleMessageEnsureJson(message) {
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return $A.isJson(message) ? message : {}
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},
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// 处理消息的准备状态 (MICRO_APP_READY)
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handleMessageOfReady({supportBeforeClose}) {
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this.handleLoad()
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this.isReady = true
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this.isLoading = false
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if (supportBeforeClose) {
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this.$store.commit('microApps/update', {
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name: this.name,
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data: {
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onBeforeClose: () => {
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if (this.hearTbeatLastTime && Date.now() - this.hearTbeatLastTime > 5000) {
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return true // 超时，允许关闭
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}
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return new Promise(resolve => {
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const message = {
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id: $A.randomString(16),
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name: this.name
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}
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this.$refs.iframe.contentWindow.postMessage({
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type: 'MICRO_APP_BEFORE_CLOSE',
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message
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}, '*')
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this.pendingBeforeCloses.set(message.id, resolve)
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})
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}
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}
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})
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}
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},
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// 处理心跳消息 (MICRO_APP_HEARTBEAT)
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handleMessageOfHeartbeat() {
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this.hearTbeatLastTime = Date.now()
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},
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// 处理方法消息 (MICRO_APP_METHOD)
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handleMessageOfMethod({id, method, args}) {
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if (!this.data || !this.data.methods || !this.data.methods[method]) {
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return
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}
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const postMessage = (result) => {
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this.$refs.iframe.contentWindow.postMessage({
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type: 'MICRO_APP_METHOD_RESULT',
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message: {id, result: $A.cloneJSON(result)}
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}, '*')
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}
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const postError = (error) => {
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this.$refs.iframe.contentWindow.postMessage({
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type: 'MICRO_APP_METHOD_RESULT',
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message: {id, result: null, error: error?.message || error}
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}, '*')
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}
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try {
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const processedArgs = this.deserializeFunctions(args);
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const before = this.data.methods[method](...processedArgs);
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if (before && before.then) {
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before.then(postMessage).catch(postError);
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} else {
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postMessage(before);
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}
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} catch (error) {
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postError(error);
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}
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},
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// 处理函数结果消息 (MICRO_APP_FUNCTION_RESULT)
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handleMessageOfFunctionResult({callId, result, error}) {
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const pending = this.pendingFunctionCalls.get(callId);
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if (!pending) {
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return
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}
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this.pendingFunctionCalls.delete(callId);
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clearTimeout(pending.timeout);
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if (error) {
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pending.reject(new Error(error));
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} else {
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pending.resolve(result);
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}
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},
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// 处理方法消息 (MICRO_APP_BEFORE_CLOSE)
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handleMessageOfBeforeClose({id}) {
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if (!this.pendingBeforeCloses.has(id)) {
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return
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}
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this.pendingBeforeCloses.get(id)()
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this.pendingBeforeCloses.delete(id)
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},
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// 处理卸载前消息 (MICRO_APP_BEFORE_UNLOAD)
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handleMessageOfBeforeUnload() {
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this.isReady = false
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this.$store.commit('microApps/update', {
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name: this.name,
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data: {
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onBeforeClose: () => true
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}
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})
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},
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// 验证消息是否来自当前 iframe
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isFromCurrentIframe(event) {
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try {
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const {source} = event
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return this.$refs.iframe && source === this.$refs.iframe.contentWindow
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} catch (error) {
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// console.error('Failed to validate message from current iframe:', error)
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return false
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}
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},
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// 反序列化函数
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deserializeFunctions(value) {
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if (value && typeof value === 'object' && value.__func) {
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return (...args) => {
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return new Promise((resolve, reject) => {
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const callId = `call_${Date.now()}_${Math.random().toString(36).substring(2, 9)}`;
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// 设置超时
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const timeout = setTimeout(() => {
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this.pendingFunctionCalls.delete(callId);
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reject(new Error('Function call timeout'));
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}, 5000);
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// 存储待处理的调用
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this.pendingFunctionCalls.set(callId, {
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resolve,
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reject,
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timeout
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});
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// 发送函数调用请求
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if (!this.$refs.iframe || !this.$refs.iframe.contentWindow) {
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reject(new Error('Iframe not ready'));
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return;
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}
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this.$refs.iframe.contentWindow.postMessage({
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type: 'MICRO_APP_FUNCTION_CALL',
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message: {funcId: value.__func, callId, args}
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}, '*');
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});
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};
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}
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if (Array.isArray(value)) {
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return value.map(item => this.deserializeFunctions(item));
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}
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if (value && typeof value === 'object' && value.constructor === Object) {
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const result = {};
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for (const key in value) {
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result[key] = this.deserializeFunctions(value[key]);
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}
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return result;
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}
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return value;
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},
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// 注入 microApp 对象到 iframe
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injectMicroApp() {
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try {
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const iframeWindow = this.$refs.iframe.contentWindow
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if (iframeWindow && this.data) {
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try {
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// 直接注入 microApp 对象
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iframeWindow.microApp = {
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getData: () => this.data
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}
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} catch (crossOriginError) {
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// 跨域情况，使用 postMessage 发送 microApp 对象
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iframeWindow.postMessage({
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type: 'MICRO_APP_INJECT',
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message: {
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type: this.data.type,
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props: this.data.props
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}
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}, '*')
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}
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}
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} catch (error) {
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// console.error('Failed to inject microApp object:', error)
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}
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},
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// 清理注入的 microApp 对象
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cleanupMicroApp() {
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try {
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const iframeWindow = this.$refs.iframe.contentWindow
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if (iframeWindow && iframeWindow.microApp) {
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delete iframeWindow.microApp
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}
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} catch (error) {
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// console.error('Failed to clean up microApp object:', error)
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}
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},
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}
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}
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</script>
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