【sgExcelGrid】自定义组件：简单模拟Excel表格拖拽、选中单元格、横行、纵列、拖拽圈选等操作

特性：

  1. 可以自定义拖拽过表格
  2. 可以点击某个表格，拖拽右下角小正方形进行任意方向选取单元格
  3. 支持选中某一行、列
  4. 支持监听@selectedGrids、@selectedDatas事件获取选中项的DOM对象和数据数组
  5. 支持props自定义显示label字段别名

 sgExcelGrid源码

<template><div :class="$options.name"><div class="ruler-corner"></div><div class="horizontal-ruler" :style="{ left: `${-rulerPosition.x}px` }"><divclass="tick":hoverGrid="hoverGrid.x === A_Z[i]"@click="(hoverGrid = { x: A_Z[i] }), (mousedownGrid = {})"v-for="(a, i) in A_Z.slice(0, colCount_)":key="i">{{ a }}</div></div><div class="vertical-ruler" :style="{ top: `${-rulerPosition.y}px` }"><divclass="tick":hoverGrid="hoverGrid.y === i"@click="(hoverGrid = { y: i }), (mousedownGrid = {})"v-for="(a, i) in Math.ceil(pageSize / colCount_)":key="i">{{ i + 1 }}</div></div><div class="grids-scroll" ref="scrollContainer"><div class="grids" ref="dragContainer" :selectedGrids="selectedGrids.length > 0"><divclass="grid":hoverGridX="selectedGrids.length == 0 && hoverGrid.x === gridsData[i].x":hoverGridY="selectedGrids.length == 0 && hoverGrid.y === gridsData[i].y":mousedownGrid="mousedownGrid.x === gridsData[i].x && mousedownGrid.y === gridsData[i].y":dragMove="isMouseDragMove":type="a.strong ? 'primary' : ''"v-for="(a, i) in data":key="i"@mouseover="hoverGrid = gridsData[i]"@mouseout="hoverGrid = {}"@click="clickGrid(i)"><span :title="a[label]">{{ a[label] }}</span><i class="el-icon-close" @click="del(a)" /><divclass="position-text":title="`点击复制`"@click="$g.copy($g.stripHTML(getPositionText(gridsData[i])), true)"v-html="getPositionText(gridsData[i])"></div><div class="drag-select-btn" @mousedown.stop="clickResizeHandle"></div></div></div></div><!-- 拖拽 --><sgDragMoveTile :data="dragMoveTileData" @scroll="scroll" /></div>
</template>
<script>
import sgDragMoveTile from "@/vue/components/admin/sgDragMoveTile";
export default {name: "sgExcelGrid",components: {sgDragMoveTile,},data() {return {A_Z: [...Array(26)].map((v, i) => String.fromCharCode(i + 65)),hoverGrid: {}, //移入的宫格标记mousedownGrid: {}, //点击的宫格标记gridsData: [], //记录网格宫格状态selectedGrids: [], //被选中的网格宫格DOMselectedDatas: [], //被选中的网格宫格数据rulerPosition: { x: 0, y: 0 },dragMoveTileData: {},gridWidth: 200,gridHeight: 100,colCount_: 8,pageSize_: 100,isMouseDragMove: false, //鼠标拖拽选中移动label: `label`, //显示文本字段名};},props: ["value","props","data","pageSize", //每页显示多少个宫格"colCount", //列数],computed: {},watch: {props: {handler(newValue, oldValue) {if (newValue && Object.keys(newValue).length) {newValue.label && (this.label = newValue.label);}},deep: true, //深度监听immediate: true, //立即执行},pageSize: {handler(newValue, oldValue) {//console.log('深度监听：', newValue, oldValue);newValue && (this.pageSize_ = newValue);},deep: true, //深度监听immediate: true, //立即执行},data: {handler(newValue, oldValue) {this.init_gridsData();},deep: true, //深度监听immediate: true, //立即执行},colCount: {handler(newValue, oldValue) {//console.log('深度监听：', newValue, oldValue);newValue && (this.colCount_ = newValue);this.$nextTick(() => {this.$el.style.setProperty("--gridWidth", `${this.gridWidth}px`); //js往css传递局部参数this.$el.style.setProperty("--gridHeight", `${this.gridHeight}px`); //js往css传递局部参数this.$el.style.setProperty("--gridsWidth",`${this.colCount_ * this.gridWidth}px`); //js往css传递局部参数});},deep: true, //深度监听immediate: true, //立即执行},selectedGrids: {handler(newValue, oldValue) {this.$emit(`selectedGrids`, newValue || []);},deep: true, //深度监听// immediate: true, //立即执行},selectedDatas: {handler(newValue, oldValue) {this.$emit(`selectedDatas`, newValue || []);},deep: true, //深度监听// immediate: true, //立即执行},},created() {},mounted() {this.init_grid_view();this.addEvents();},destroyed() {this.removeEvents();},methods: {clickGrid(i) {(this.mousedownGrid = this.gridsData[i]),(this.hoverGrid = {}),this.resetSelectGrid();this.selectedGrids = [this.gridsData[i]];this.selectedDatas = [this.data[i]];},clickResizeHandle(e) {this.originRect = e.target.parentNode.getBoundingClientRect();this.originRect.bottomRightX = this.originRect.x + this.originRect.width; //右下角坐标.xthis.originRect.bottomRightY = this.originRect.y + this.originRect.height; //右下角坐标.ythis.__addWindowEvents();},__addWindowEvents() {this.__removeWindowEvents();addEventListener("mousemove", this.mousemove_window);addEventListener("mouseup", this.mouseup_window);},__removeWindowEvents() {removeEventListener("mousemove", this.mousemove_window);removeEventListener("mouseup", this.mouseup_window);},mousemove_window(e) {this.isMouseDragMove = true;let { x, y } = e;let minWidth = 0,minHeight = 0,maxWidth = innerWidth,maxHeight = innerHeight;x < 0 && (x = 0),y < 0 && (y = 0),x > maxWidth && (x = maxWidth),y > maxHeight && (y = maxHeight);let style = {};style.x = this.originRect.x;style.y = this.originRect.y;style.width = x - this.originRect.x;style.width <= minWidth &&((style.width = Math.abs(style.width)),((style.x = this.originRect.x - style.width),(style.width = style.width + this.originRect.width)));style.height = y - this.originRect.y;style.height <= minHeight &&((style.height = Math.abs(style.height)),((style.y = this.originRect.y - style.height),(style.height = style.height + this.originRect.height)));style.width > maxWidth && (style.width = maxWidth);style.height > maxHeight && (style.height = maxHeight);this.calcRectGrid(style);},mouseup_window(e) {this.isMouseDragMove = false;this.__removeWindowEvents();},resetAllGridStatus() {this.resetSelectGrid();this.mousedownGrid = {};},resetSelectGrid(d) {this.selectedGrids = [];this.selectedDatas = [];let grids = this.$refs.dragContainer.querySelectorAll(`.grid`);grids.forEach((v) => {v.removeAttribute("selected-left");v.removeAttribute("selected-top");v.removeAttribute("selected-right");v.removeAttribute("selected-bottom");v.removeAttribute("selected");});},// 计算是否选中格子calcRectGrid(rect) {this.resetSelectGrid();this.selectedGrids = this.getSelectedDoms({targetDoms: this.$refs.dragContainer.querySelectorAll(`.grid`),rect,});this.selectedGrids.forEach((grid) => {let grid_rect = grid.getBoundingClientRect();let gridRectScreenWidth = grid_rect.x + grid_rect.width;let gridRectScreenHeight = grid_rect.y + grid_rect.height;grid_rect.x <= rect.x &&rect.x < gridRectScreenWidth &&grid.setAttribute("selected-left", true);grid_rect.y <= rect.y &&rect.y < gridRectScreenHeight &&grid.setAttribute("selected-top", true);let rectScreenWidth = rect.x + rect.width;let rectScreenHeight = rect.y + rect.height;grid_rect.x < rectScreenWidth &&rectScreenWidth <= grid_rect.x + grid_rect.width &&grid.setAttribute("selected-right", true);grid_rect.y < rectScreenHeight &&rectScreenHeight <= grid_rect.y + grid_rect.height &&grid.setAttribute("selected-bottom", true);grid.setAttribute("selected", true);});},// 获取被选中的DOMgetSelectedDoms({ targetDoms, rect } = {}) {this.selectedDatas = [];return [...targetDoms].filter((targetDom, i) => {if (this.$g.isCrash(targetDom, rect)) {this.selectedDatas.push(this.data[i]);return targetDom;}}); // 获取被圈选的内容},// ----------------------------------------del(d) {this.$emit(`del`, d);},addEvents(d) {this.removeEvents();this.__removeWindowEvents();addEventListener("resize", this.resize);},removeEvents(d) {removeEventListener("resize", this.resize);},getPositionText(gridData) {return `<span>第${gridData.y + 1}行</span>&nbsp;<span>第${gridData.x}列</span>`;},init_grid_view() {this.resize();this.$nextTick(() => {this.init_sgDragMoveTile();});},init_gridsData(d) {this.gridsData = [...Array(this.pageSize_)].map((v, i) => ({x: this.A_Z[i % this.colCount_],y: Math.floor(i / this.colCount_),}));this.$nextTick(() => {this.resetAllGridStatus();});},init_sgDragMoveTile() {this.dragMoveTileData = {scrollContainer: this.$refs.scrollContainer,dragContainer: this.$refs.dragContainer,};},resize(d) {this.rulerPosition = {x: 0,y: 0,};},scroll(e) {this.rulerPosition = {x: e.target.scrollLeft,y: e.target.scrollTop,};},},
};
</script>
<style lang="scss" scoped>
.sgExcelGrid {/*禁止选中文本*/user-select: none;overflow: hidden;$tickDis: 40px;$gridWidth: var(--gridWidth);$gridHeight: var(--gridHeight);$gridsWidth: var(--gridsWidth);$scrollbarWidth: 14px;width: 100%;height: 100%;position: relative;.ruler-corner {position: absolute;z-index: 2;left: 0;top: 0;width: $tickDis;height: $tickDis;box-sizing: border-box;border: 1px solid #ebeef5;border-right: none;border-bottom: none;background-color: #eff2f755;/*遮罩模糊*/backdrop-filter: blur(5px);}.horizontal-ruler {position: absolute;z-index: 1;left: 0;top: 0;margin-left: $tickDis;display: flex;flex-wrap: nowrap;border-top: 1px solid #ebeef5;border-left: 1px solid #ebeef5;/*遮罩模糊*/backdrop-filter: blur(5px);// box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);.tick {display: flex;justify-content: center;align-items: center;flex-shrink: 0;width: $gridWidth;height: $tickDis;box-sizing: border-box;border-top: 1px solid transparent;border-left: 1px solid transparent;border-bottom: 1px solid #ebeef5;border-right: 1px solid #ebeef5;font-family: DIN-Black;background-color: #eff2f755;&[hoverGrid] {border-left: 1px solid #409eff;border-right: 1px solid #409eff;background-color: #b3d8ff99;color: #409eff;}}}.vertical-ruler {position: absolute;z-index: 1;left: 0;top: 0;margin-top: $tickDis;display: flex;flex-wrap: wrap;flex-direction: column;border-top: 1px solid #ebeef5;border-left: 1px solid #ebeef5;/*遮罩模糊*/backdrop-filter: blur(5px);// box-shadow: 2px 0 12px 0 rgba(0, 0, 0, 0.1);.tick {display: flex;justify-content: center;align-items: center;flex-shrink: 0;width: $tickDis;height: $gridHeight;box-sizing: border-box;border-top: 1px solid transparent;border-left: 1px solid transparent;border-bottom: 1px solid #ebeef5;border-right: 1px solid #ebeef5;font-family: DIN-Black;background-color: #eff2f7;background-color: #eff2f755;&[hoverGrid] {border-top: 1px solid #409eff;border-bottom: 1px solid #409eff;background-color: #b3d8ff99;color: #409eff;}}}.grids-scroll {width: calc(100% - #{$tickDis});height: calc(100vh - 310px);box-sizing: border-box;overflow: auto;position: relative;margin: $tickDis 0 0 $tickDis;.grids {width: calc(#{$gridsWidth} + #{$scrollbarWidth});min-height: calc(#{$gridHeight} + #{$scrollbarWidth});overflow: auto;display: flex;flex-wrap: wrap;align-content: flex-start;box-sizing: border-box;border-top: 1px solid #ebeef5;border-left: 1px solid #ebeef5;.grid {display: flex;justify-content: center;align-items: center;width: $gridWidth;height: $gridHeight;padding: 20px;box-sizing: border-box;border-top: 1px solid transparent;border-left: 1px solid transparent;border-bottom: 1px solid #ebeef5;border-right: 1px solid #ebeef5;word-wrap: break-word;word-break: break-all;white-space: break-spaces;position: relative;span {/*多行省略号*/overflow: hidden;word-break: break-all;white-space: break-spaces;display: -webkit-box;-webkit-box-orient: vertical;max-height: min-content;-webkit-line-clamp: 3;line-height: 1.2;}// 坐标文本.position-text {position: absolute;height: 22px;z-index: 1;left: 0px;top: 0px;display: none;flex-wrap: nowrap;white-space: nowrap;align-items: center;color: white;background-color: #00000055;box-sizing: border-box;padding: 0 5px;border-radius: 0 0 8px 0;>>> span {font-size: 12px !important;}cursor: cell;&:hover {background-color: #409eff;color: white;}}// 删除i.el-icon-close {z-index: 1;display: none;position: absolute;right: 0;top: 0;font-size: 12px !important;justify-content: center;align-items: center;color: white;background-color: #409eff;box-sizing: border-box;padding: 5px;border-radius: 0 0 0 8px;cursor: pointer;&:hover {background-color: #f56c6c;}}// 拖拽选区.drag-select-btn {position: absolute;height: 9px;width: 9px;z-index: 1;right: -4.5px;bottom: -4.5px;display: none;box-sizing: border-box;border: 2px solid white;background-color: #f56c6c;cursor: crosshair;}&:nth-of-type(2n) {background-color: #eff2f755;}&[hoverGridX] {border-left: 1px solid #409eff;border-right: 1px solid #409eff;background-color: #f2f8fe;}&[hoverGridY] {border-top: 1px solid #409eff;border-bottom: 1px solid #409eff;background-color: #f2f8fe;}&[mousedownGrid] {border: 1px solid #f56c6c;background-color: #f56c6c22;.drag-select-btn {display: block;}}&[selected] {// border: 1px solid #f56c6c;border-top: 1px solid transparent;border-left: 1px solid transparent;border-right: 1px solid #f56c6c22;border-bottom: 1px solid #f56c6c22;background-color: #f56c6c22;.position-text {background-color: #f56c6c66;color: white;&:hover {background-color: #f56c6c;}}i.el-icon-close {background-color: #f56c6c66;&:hover {background-color: #f56c6c;}}.drag-select-btn {display: none;}&:hover:not([dragMove]) {border: 1px solid #f56c6c;background-color: #f56c6c66 !important;}}&[selected-left] {border-left: 1px solid #f56c6c;}&[selected-top] {border-top: 1px solid #f56c6c;}&[selected-right] {border-right: 1px solid #f56c6c;}&[selected-bottom] {border-bottom: 1px solid #f56c6c;}&[mousedownGridX] {border-left: 1px solid #f56c6c;border-right: 1px solid #f56c6c;background-color: #f56c6c22;}&[mousedownGridY] {border-top: 1px solid #f56c6c;border-bottom: 1px solid #f56c6c;background-color: #f56c6c22;}&[dragMove] {}&:hover:not([mousedownGrid]):not([dragMove]) {background-color: #b3d8ff99;i,.position-text {display: flex;}}}&[selectedGrids] {.grid {&:hover:not([mousedownGrid]):not([dragMove]):not([selected]) {border: 1px solid #409eff;}}}}}
}
</style>

应用

<template><sgExcelGrid:props="{ label: `MC` }":data="gridDatas":pageSize="pageSize"@del="delGrid"@selectedDatas="selectedDatas"/>
</template>
<script>
import sgExcelGrid from "@/vue/components/admin/sgExcelGrid";
export default {components: {sgExcelGrid,},data() {return {gridDatas: [{ ID: 1, value: 1, MC: "显示文本1" },{ ID: 2, value: 2, MC: "显示文本2" },{ ID: 3, value: 3, MC: "显示文本3" },{ ID: 4, value: 4, MC: "显示文本4" },{ ID: 5, value: 5, MC: "显示文本5" },],pageSize: 100, //每页显示多少个单元格rectSelectIDS: [], //选中的ID数组};},props: ["value"],computed: {},watch: {},created() {},mounted() {},destroyed() {},methods: {selectedDatas(d) {this.rectSelectIDS = d.map((v) => v.ID); //获取选中项ID数组},delGrid(d) {//删除单元格},},
};
</script>

基于【sgDragMoveTile】自定义组件：拖拽瓦片图、地图、大图，滚动条对应同步滚动_用鼠标拖拽(drag)内容div”,滚动条对应同步滚动 vue-CSDN博客文章浏览阅读140次。【代码】【sgDragMoveTile】自定义组件：拖拽瓦片图、地图、大图，滚动条对应同步滚动。_用鼠标拖拽(drag)内容div”,滚动条对应同步滚动 vuehttps://blog.csdn.net/qq_37860634/article/details/133292981

本文来自互联网用户投稿，该文观点仅代表作者本人，不代表本站立场。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如若转载，请注明出处：http://www.hqwc.cn/news/525986.html

如若内容造成侵权/违法违规/事实不符，请联系编程知识网进行投诉反馈email:809451989@qq.com，一经查实，立即删除！

相关文章

SQLite3中的callback回调函数注意的细节

SQLite3中的callback回调函数注意的细节

调用 sqlite3_exec(sqlite3*, const char *sql, sqlite_callback, void *data, char **errmsg)该例程提供了一个执行 SQL 命令的快捷方式&#xff0c; SQL 命令由 sql 参数提供&#xff0c;可以由多个 SQL 命令组成。 在这里&#xff0c; 第一个参数 sqlite3 是打开的数据库对…
阅读更多...
HarmonyOS NEXT应用开发案例——列表编辑实现

HarmonyOS NEXT应用开发案例——列表编辑实现

介绍 本示例介绍用过使用ListItem组件属性swipeAction实现列表左滑编辑效果的功能。 该场景多用于待办事项管理、文件管理、备忘录的记录管理等。 效果图预览 使用说明&#xff1a; 点击添加按钮&#xff0c;选择需要添加的待办事项。长按待办事项&#xff0c;点击删除后&am…
阅读更多...
C++——string模拟实现

C++——string模拟实现

前言&#xff1a;上篇文章我们对string类及其常用的接口方法的使用进行了分享&#xff0c;这篇文章将着重进行对这些常用的接口方法的内部细节进行分享和模拟实现。 目录 一.基础框架 二.遍历字符串 1.[]运算符重载 2.迭代器 3.范围for 三.常用方法 1.增加 2.删除 3.调…
阅读更多...
HTML 学习笔记(八)表格

HTML 学习笔记(八)表格

一、表格 <!DOCTYPE html> <html lang"en"><head><meta charset"UTF-8"><meta name"viewport" content"widthdevice-width, initial-scale1.0"><title>Document</title></head><…
阅读更多...
Excel 快速填充/输入内容

Excel 快速填充/输入内容

目录 一. Ctrl D/R 向下/右填充二. 批量输入内容 一. Ctrl D/R 向下/右填充 ⏹如下图所示&#xff0c;通过快捷键向下和向右填充数据 &#x1f914;当选中第一个单元格之后&#xff0c;可以按住Shift后&#xff0c;再选中最后一个单元格&#xff0c;可以选中第一个单元格和最…
阅读更多...
【深度学习笔记】6_5 RNN的pytorch实现

【深度学习笔记】6_5 RNN的pytorch实现

注&#xff1a;本文为《动手学深度学习》开源内容&#xff0c;部分标注了个人理解&#xff0c;仅为个人学习记录&#xff0c;无抄袭搬运意图 6.5 循环神经网络的简洁实现 本节将使用PyTorch来更简洁地实现基于循环神经网络的语言模型。首先&#xff0c;我们读取周杰伦专辑歌词…
阅读更多...
SQL中常见的DDL操作及示例，数据库操作及表操作

SQL中常见的DDL操作及示例，数据库操作及表操作

目录 一、数据库操作 1、创建数据库 2、查看所有数据库 3、使用数据库 4、删除数据库 二、表操作&#xff1a; 1、创建表 2、查看表结构 3、修改表结构 3.1 添加列 3.2 修改列数据类型 3.3 修改列名 3.4 删除列 3.5 修改表名 3.6 删除表 注意&#xff1a; 在数…
阅读更多...
倒计时35天

倒计时35天

dp预备(来源&#xff1a;b站acm刘春英老师) 1. 2. 3. 4. 5. 6. 7.
阅读更多...
去除PDF论文行号的完美解决方案

去除PDF论文行号的完美解决方案

去除PDF论文行号的完美解决方案 1. 遇到的问题 我想去除论文的行号&#xff0c;但是使用网上的Adobe Acrobat裁剪保存后 如何去掉pdf的行编号&#xff1f; - 知乎 (zhihu.com) 翻译时依然会出现行号&#xff0c;或者是转成word&#xff0c;这样就大大损失了格式&#xff0c;…
阅读更多...
flask-sqlalchemy库

flask-sqlalchemy库

彩笔激流勇退。 1. 简介 ORM&#xff0c;对象关系映射。简单来说&#xff0c;ORM将数据库中的表与面向对象中的类建立了一种对应关系。这样&#xff0c;我们要操作数据库&#xff0c;表&#xff0c;记录就可以直接通过操作类或者类实例来完成。 SQLAlchemy 是目前python中最…
阅读更多...
小程序网页view多行文本超出隐藏或显示省略号

小程序网页view多行文本超出隐藏或显示省略号

实现效果&#xff1a; 限制两行&#xff0c;超出即显示省略号 实现&#xff1a;话不多说&#xff0c;展示代码 关键代码 .box{ width:100rpx; overflow:hidden; text-overflow: ellipsis;//超出省略号 display:-webkit-box; -webkit-line-clamp: 2;//显…
阅读更多...
leetcode 热题 100_相交链表

leetcode 热题 100_相交链表

题解一&#xff1a; 哈希表&#xff1a;两链表出现的第一个相同的值就是相交节点&#xff0c;因此我们先用哈希记录链表A所有出现过的值&#xff0c;再遍历链表B查找哈希表&#xff0c;找出第一个相同的值即为结果。 import java.util.HashSet;public class Solution {public …
阅读更多...
推荐文章
最新文章

Copyright @ 2022~2023