项目切片器是一个独立的切片器控件，并不依赖Spread Sheets，你可以在页面的任何地方添加项目切片器。
项目切片器需要与切片器数据模块相配合(包括通用切片器数据，表格切片器数据或者其他基于通用切片器数据实现的切片器数据)。如果项目切片器与表格切片器配合使用，当项目切片器发生筛选动作，表格上的数据也会随之同步。
你可以通过以下步骤构建自己的项目切片器：
构建数据源和通用切片器数据
获取列数据并构建呈现界面。
获取筛选结果并更新呈现界面。
构建项目切片器，并将通用切片器数据附加在切片器上，并将其置于页面的DOM树结构中。
<template>
<div class="sample-tutorial">
<div id="ss" class="sample-spreadsheets"></div>
<div class="options-container">
<p class="desc">Click on the items in this slicer to filter by that class. You can Ctrl+Left Click to select
multiple items.</p>
<div id="nameSlicerHost" class="slicer"></div>
<div id="classSlicerHost" class="slicer"></div>
</div>
</div>
</template>
<script setup>
import '@grapecity-software/spread-sheets-vue'
import { ref, onMounted } from "vue";
import GC from "@grapecity-software/spread-sheets";
import "@grapecity-software/spread-sheets-slicers";
import '@grapecity-software/spread-sheets-resources-zh';
GC.Spread.Common.CultureManager.culture("zh-cn");
onMounted(() => {
let columnNames = ["Name", "Class", "Gender", "Math", "English", "Total Score"];
let data = [["Student1", 1, "female", "69", "66", "135"],
["Student2", 1, "female", "99", "85", "184"],
["Student3", 1, "male", "78", "77", "155"],
["Student4", 1, "male", "54", "80", "134"],
["Student7", 2, "male", "87", "98", "185"],
["Student8", 2, "male", "78", "85", "163"],
["Student9", 2, "female", "100", "90", "190"],
["Student10", 2, "female", "68", "54", "122"],
["Student11", 2, "female", "97", "100", "197"],
["Student12", 2, "female", "81", "90", "171"],
["Student15", 2, "female", "90", "68", "158"],
["Student16", 3, "male", "86", "70", "156"],
["Student17", 3, "male", "88", "89", "177"],
["Student18", 3, "male", "54", "80", "134"],
["Student19", 3, "male", "81", "75", "156"],
["Student23", 3, "female", "78", "98", "176"],
["Student24", 3, "female", "90", "98", "188"],
["Student25", 3, "male", "60", "30", "90"],
["Student26", 3, "female", "0", "0", "0"],
["Student27", 3, "female", "100", "100", "200"],
["Student28", 3, "male", "89", "78", "167"]
];
let slicerData = new GC.Spread.Slicers.GeneralSlicerData(data, columnNames);
let onFiltered = slicerData.onFiltered;
slicerData.onFiltered = function () {
onFiltered.call(slicerData);
refreshList(slicerData);
}
let nameSlicer = new GC.Spread.Sheets.Slicers.ItemSlicer("Name", slicerData, "Name");
nameSlicer.height(200);
nameSlicer.width(180)
nameSlicer.columnCount(2);
document.getElementById('nameSlicerHost').appendChild(nameSlicer.getDOMElement());
let classSlicer = new GC.Spread.Sheets.Slicers.ItemSlicer("Class", slicerData, "Class");
classSlicer.height(200);
classSlicer.width(180)
document.getElementById('classSlicerHost').appendChild(classSlicer.getDOMElement());
initList(data, columnNames);
})
const initList = (data, columnNames) => {
let tableStr = '<tr>';
for (let i = 0; i < columnNames.length; i++) {
tableStr += "<th>" + columnNames[i] + "</th>";
}
tableStr += '</tr>';
for (let i = 0; i < data.length; i++) {
tableStr += "<tr>";
for (let j = 0; j < data[i].length; j++) {
tableStr += "<td>" + data[i][j] + "</td>";
}
tableStr += "</tr>";
}
let table = document.createElement('table');
table.innerHTML = tableStr;
table.border = 1;
table.cellPadding = 0;
table.cellSpacing = 0;
document.getElementById('ss').appendChild(table);
}
const refreshList = (slicerData) => {
let filteredRowIndexs = slicerData.getFilteredRowIndexes();
let trs = document.getElementsByTagName('tr');
for (let i = 0; i < slicerData.data.length; i++) {
if (filteredRowIndexs.indexOf(i) !== -1) {
trs[i + 1].style.display = '';
} else {
trs[i + 1].style.display = 'none';
}
}
}
</script>
<style scoped>
#app {
height: 100%;
}
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets {
width: calc(100% - 280px);
height: 100%;
overflow: auto;
float: left;
}
.options-container {
float: right;
width: 280px;
padding: 12px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
}
.option-row {
font-size: 14px;
padding: 5px;
margin-top: 10px;
}
.slicer {
height: 220px;
position: relative;
}
table th,
table td {
padding: 4px 8px;
}
.desc {
padding: 2px 10px;
background-color: #F4F8EB;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
</style>
<!DOCTYPE html>
<html lang="en" style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>SpreadJS VUE</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css"
href="$DEMOROOT$/zh/vue3/node_modules/@grapecity-software/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<script src="$DEMOROOT$/zh/vue3/node_modules/systemjs/dist/system.src.js"></script>
<script src="./systemjs.config.js"></script>
<script src="https://cdn.grapecity.com.cn/online/resources/compiler-sfc.esm-browser.js" type="module" defer></script>
<script>
var System = SystemJS;
System.import("./src/app.js");
System.import('$DEMOROOT$/zh/lib/vue3/license.js');
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
(function (global) {
SystemJS.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true
},
paths: {
// paths serve as alias
'npm:': 'node_modules/',
'cdn:': 'https://cdn.grapecity.com.cn/SpreadJS/package-contents/18.2.0/'
},
packageConfigPaths: [
'./node_modules/*/package.json',
"./node_modules/@grapecity-software/*/package.json",
"./node_modules/@babel/*/package.json",
"./node_modules/@vue/*/package.json"
],
map: {
'@grapecity-software/spread-sheets': 'cdn:spread-sheets/index.js',
'@grapecity-software/spread-sheets-resources-zh': 'cdn:spread-sheets-resources-zh/index.js',
'@grapecity-software/spread-sheets-shapes': 'cdn:spread-sheets-shapes/index.js',
'@grapecity-software/spread-sheets-slicers': 'cdn:spread-sheets-slicers/index.js',
'@grapecity-software/spread-sheets-vue': 'cdn:spread-sheets-vue/index.js',
'vue': "npm:vue/dist/vue.esm-browser.js",
'tiny-emitter': 'npm:tiny-emitter/index.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
"systemjs-babel-build": "npm:systemjs-plugin-babel/systemjs-babel-browser.js",
},
meta: {
'*.css': { loader: 'systemjs-plugin-css' },
'*.vue': { loader: "../plugin-vue/index.js" }
}
});
})(this);
