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不少文档开始应用一些好看实用的图标字体,以阿里的iconfont为例,用户可以自定义下载多种格式的icon,平台也可以将图标转换为字体,便于前端工程师自由调整和调用。在一些特殊行业中,往往需要将某些特殊符号插入到单元格当中,这样的需求如何实现呢?
登录iconfont,在iconfont上挑选自己想要的图标添加到右上方购物车中(鼠标悬浮在图标上会出现加入购物车的提示浮层)。
下载完成后的目录结构如下图所示:
文件中提供的demo_index.html是在网站上使用该字体的一些介绍说明,感兴趣的同学可以仔细地阅读一下这部分。iconfont.ttf是这些图标对应的字体文件,我们在SpreadJS中也主要使用的是这个字体文件。以上两步更多的是iconfont的使用,如果有什么不了解的自行百度即可。
使用自己熟悉的方式创建一个包含编辑器的工程。
css可以结合自己的业务在定义字体时做一些微调。
首先,需要在编辑器的ribbon中加入特殊字符集的操作组,核心代码如下:
var designer = new GC.Spread.Sheets.Designer.Designer("gc-designer-container");
var config = GC.Spread.Sheets.Designer.DefaultConfig; // 插入tab添加插入特殊字符
var fontIconConfig = {
label: "字符集",
commandGroup: {
commands: ["setFontIcon"],
},
};
config.ribbon[1].buttonGroups.splice(
config.ribbon[1].buttonGroups.length - 1,
0,
fontIconConfig
);
接下来设置对应的操作特殊字符的菜单项,并编写setFontIcon命令,核心的代码如下:
config.commandMap = {};
var fontIconCammands = {
setFontIcon: {
text: "特殊字符",
title: "插入特殊字符",
type: "dropdown",
bigButton: "=ribbonHeight>toolbarHeight",
iconClass: "ribbon-button-fontIcon",
commandName: "setFontIcon",
direction: "=IF(ribbonHeight<toolbarHeight,'horizontal','vertical')",
dropdownList: [
{
groupName: "Spring",
groupItems: [
{
iconClass: "iconfont icon-chunlianer",
iconHeight: 20,
iconWidth: 14,
value: "iconfont-" + String.fromCharCode(parseInt("e6b5", 16)),
},
{
iconClass: "iconfont icon-denglongyi",
iconHeight: 20,
iconWidth: 14,
value: "iconfont-" + String.fromCharCode(parseInt("e6b7", 16)),
},
],
},
],
execute: async (context, selectValue) => {
if (selectValue != null && selectValue != undefined) {
let newFont = selectValue.split("-")[0],
content = selectValue.split("-")[1];
let sheet = context.Spread.getActiveSheet(),
row = sheet.getActiveRowIndex(),
col = sheet.getActiveColumnIndex(),
cell = sheet.getCell(row, col),
font = cell.font();
var span = document.createElement("span");
span.style.font = font;
span.style.fontFamily = newFont;
var iconFont = span.style.font;
let value = sheet.getValue(
row,
col,
GC.Spread.Sheets.SheetArea.viewport,
GC.Spread.Sheets.ValueType.richText
);
if (value === null || value === undefined) {
value = { richText: [{ style: { font: iconFont }, text: content }] };
} else if (value instanceof Object && value.richText) {
let rt = value.richText;
if (rt.length > 1 && rt[rt.length - 1].style) {
let exStyle = JSON.parse(JSON.stringify(rt[rt.length - 1].style));
if (rt[rt.length - 1].style.font) {
var span = document.createElement("span");
span.style.font = rt[rt.length - 1].style.font;
span.style.fontFamily = newFont;
exStyle.font = span.style.font;
} else {
exStyle.font = iconFont;
}
rt.push({ style: exStyle, text: content });
} else {
rt.push({ style: { font: iconFont }, text: content });
}
} else {
value = {
richText: [
{ style: { font: font }, text: value },
{ style: { font: iconFont }, text: content },
],
};
}
context.Spread.commandManager().execute({
cmd: "editCell",
sheetName: sheet.name(),
row: row,
col: col,
newValue: value,
});
}
},
getState: (context) => {
return "";
},
},
};
Object.assign(config.commandMap, fontIconCammands);
designer.setConfig(config);
通过上述几步操作就可实现在SpreadJS编辑器中插入图表字符的需求了,具体的实现效果如下:
具体Demo请查看附件。图标字体.zip
作者: Winny.Zhang | 审核:Lynn.Dou | 更新时间:2023.12.28