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js复制和粘贴内容 复制-将指定内容添加到粘贴板/** * copyToClip * @param content * @param callback */ export const copyToClip = (content: string, callback?: () => void) => { var aux = document?.createElement?.('input'); aux?.setAttribute?.('value', content); document?.body?.appendChild?.(aux); aux?.select(); document?.execCommand('copy'); document?.body?.removeChild?.(aux); return callback?.(); };粘贴 js不能直接读取粘贴板内容，下面的代码在多数环境下不生效const text = await navigator?.clipboard?.readText?.();我们采取变通的方案来处理。1、在页面中添加一个input输入框，将其绝对定位到页面中不可见的位置<input type='text' id='text-all' key='text-all' onPaste={(e) => handlePaste(e)} style={{ position: 'absolute', top: -10000, zIndex: 10000 }} />监听到ctrl-v事件时，先让上面的input获得焦点，再手动触发他的paste事件，这时input会填充粘贴板中的内容const hideInput: HTMLInputElement = document.getElementById('text-all') as any; hideInput?.focus(); hideInput?.dispatchEvent(new Event('paste', { bubbles: true }));给这个input添加onPaste事件，在事件处理函数中获取input的内容，或者获取粘贴板的内容const clipboardData = e?.clipboardData || e.originalEvent?.clipboardData; -
nodejs ORM框架sequelize.js实体常用配置 请输入图片描述const sequelize = require('../db/sequelize'); const Sequelize = require('sequelize'); const User = sequelize.define('user', { id: { type: Sequelize.INTEGER, field: 'id', primaryKey: true, autoIncrement: true }, username: Sequelize.STRING, password: Sequelize.STRING, email: Sequelize.STRING, nickname: Sequelize.STRING, createdAt: { type: Sequelize.DATE, field: 'created_at' }, updatedAt: { type: Sequelize.DATE, field: 'updated_at' }, }, { // 实例对应的表名 tableName: 'user', // 如果需要sequelize帮你维护createdAt,updatedAt和deletedAt必须先启用timestamps功能 timestamps: true, // 将createdAt对应到数据库的created_at字段 createdAt: 'created_at', // 将updatedAt对应到数据库的updated_at字段 updatedAt: 'updated_at', // And deletedAt to be called destroyTime (remember to enable paranoid for this to work) deletedAt: false, //'deleted_at', // 删除数据时不删除数据，而是更新deleteAt字段 如果需要设置为true，则上面的deleteAt字段不能为false，也就是说必须启用 paranoid: false }); module.exports = User;
