let chartInstance: NullType<echarts.ECharts> = null; /** 图表初始化 */ const initChart = () => { if (!dom.value || echarts.getInstanceByDom(dom.value)) return; chartInstance = echarts.init(dom.value, null, echartsInitOpts); }; /** 获取图表实例 */ const getChartInstance = (...
onMounted, getCurrentInstance }from'vue'exportdefault{name:'GetInstance',data() {return{x:1,y:2} },setup() {//无法获取this实例console.log('this1',this)constinstance =getCurrentInstance()console.log('instance', instance)onMounted(() =>{//无法获取this实例console.log('this in onMounted',this)...
// export default Mqtt.getInstance("ws://192.168.11.14:8083/mqtt"); // export default Mqtt.getInstance(JSON.parse(import.meta.env.VITE_OTHER_SERVICE_BASE_URL).mqtt); const { protocol, host } = window.location; export default Mqtt.getInstance(${protocol.replace('http', 'ws')}//${host....
useTemplateRef }from'vue'letchartDom =null//存储的是 ECharts 实例// useTemplateRef接受的是一个字符串,表示你要获取哪一个节点constdivNode =useTemplateRef("chartNode");console.log(222, divNode)onMounted(() =>{// 在onMounted中初始化图表,可以得到...
getInstance: () => chartInstance.value, resize, draw }); 顺便提一下,defineExpose是在才能使用的编译器宏,用来显式指定需要暴露给父组件的属性。 完整代码 太长了,贴出来没人会细看,有需要的直接自取,亲测有效,启动项目就能看到,快去魔改吧☞github 本文转载于: https...
import { onMounted, ref } from 'vue'; import { jsPlumb } from 'jsplumb'; export default { setup() { const containerRef = ref(null); onMounted(() => { const instance = jsPlumb.getInstance({ Container: containerRef.value, // 其他配置选项... }); // 配置jsPlumb实例的其他参数和...
if(_instance == null){ _instance = new Validate(); } return _instance; } })() 1. 2. 3. 4. 5. 6. 7. 8. 9. 通过调用getInstance函数就可以得到单例的Validate实例对象. 输入框组件通过给getValidate函数传入一条rule,就能返回该组件需要的校验函数.接下来看一下getValidate函数是如何通过rule来...
getInstance("AES/CBC/PKCS5Padding"); SecretKeySpec keySpec = new SecretKeySpec(key, "AES"); cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec); return new String(cipher.doFinal(encData), "UTF-8"); } } 代码语言:javascript 代码运行次数:0 运行 AI代码解释 package com.xxx.app.common; ...
getInstance, showLoading, hideLoading, }; } 3. 使用 import newChart from "@/utils/newChart"; import { reactive, onMounted, ref } from "vue"; const myChart = ref(null); const { setOption } = newChart(myChart, true, true); let option = {} onMounted(() => { setOption(option); ...
e.printStackTrace();returnnull; } }/** * 解密方法 *@paramdata 要解密的数据 *@paramkey 解密key *@paramiv 解密iv *@return解密的结果 */privatestaticStringdesEncrypt(String data, String key, String iv){try{byte[] encrypted1 =newBase64().decode(data);Ciphercipher=Cipher.getInstance("AES/CB...